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Cheap flights from O'Hare Intl (ORD) to Ontario (ONT) from $70

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — ONT
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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The best prices from Chicago O'Hare Intl to Ontario are usually found in April or May, booked 48 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap flight deals from O'Hare Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2024.

Popular in

December

Cheapest in

April

Round-trip from

$238

One-way from

$70
High demand for flights, 20% potential price rise
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Best time to find cheap flights, 19% potential price drop
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From Chicago O'Hare Intl to Ontario
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One-way flight from Chicago O'Hare Intl to Ontario
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What is the cheapest day to fly round-trip from Chicago O'Hare Intl Airport to Ontario?

Departing on a Wednesday is a good option for securing a great price. You can expect to save up to 70% when planning your travel around this day of the week.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Ontario?

To save on the cost of your flight from Chicago O'Hare Intl Airport to Ontario, book at least 45 days before your planned departure. Booking around this time can save you about 62% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $323 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $459.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Ontario?

Flights from Chicago O'Hare Intl Airport to Ontario lean towards being more expensive in March. Prices are generally better when you fly from Chicago O'Hare Intl Airport to Ontario in September, with the cheapest ticket starting at $64.

When is the cheapest time to fly from Chicago O'Hare Intl Airport to Ontario (ORD - ONT)?

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

Cheap Frontier flights from O'Hare Intl to Ontario

Explore cheap flight options specifically provided by Frontier for the route between O'Hare Intl and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Check out some of the cheapest Frontier flights we've come across from Chicago to Ontario. Come back soon if you're not finding the exact deal you're looking for.
Fri 6/78:23 pmORD - ONT
1 stop14h 21mFrontier
Wed 6/128:41 pmONT - ORD
1 stop6h 44mFrontier
Deal found 5/15$160
Wed 6/129:53 pmORD - ONT
1 stop28h 06mFrontier
Sat 6/1512:49 amONT - ORD
1 stop21h 51mFrontier
Deal found 5/15$161
Fri 5/316:45 pmORD - ONT
1 stop7h 14mFrontier
Thu 6/209:40 pmONT - ORD
1 stop6h 02mFrontier
Deal found 5/15$162
Fri 5/316:45 pmORD - ONT
1 stop7h 14mFrontier
Sun 6/212:59 amONT - ORD
1 stop22h 14mFrontier
Deal found 5/15$163
Wed 5/296:45 pmORD - ONT
1 stop7h 14mFrontier
Sat 6/1512:49 amONT - ORD
1 stop21h 51mFrontier
Deal found 5/15$164
Wed 6/129:53 pmORD - ONT
1 stop28h 06mFrontier
Wed 6/1910:55 pmONT - ORD
1 stop28h 47mFrontier
Deal found 5/15$165
Tue 5/217:59 pmORD - ONT
1 stop15h 05mFrontier
Fri 5/2412:59 amONT - ORD
1 stop21h 19mFrontier
Deal found 5/15$166
Fri 5/318:05 pmORD - ONT
1 stop20h 30mFrontier
Fri 6/710:23 pmONT - ORD
1 stop20h 43mFrontier
Deal found 5/15$167
Fri 5/316:45 pmORD - ONT
1 stop7h 14mFrontier
Mon 6/179:36 pmONT - ORD
1 stop25h 04mFrontier
Deal found 5/15$168

Cheap Delta flights from O'Hare Intl to Ontario

Explore cheap flight options specifically provided by Delta for the route between O'Hare Intl and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the best deals we've found on Delta flights traveling from Chicago to Ontario. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 5/2911:45 amORD - ONT
2 stops10h 21mDelta
Tue 6/412:50 pmONT - ORD
1 stop9h 04mDelta
Deal found 5/15$295
Fri 5/247:30 pmORD - ONT
1 stop6h 13mDelta
Sun 5/2612:50 pmONT - ORD
1 stop9h 05mDelta
Deal found 5/16$322
Thu 5/237:45 amORD - ONT
1 stop6h 28mDelta
Sun 5/265:45 amONT - ORD
2 stops9h 04mDelta
Deal found 5/14$405
Fri 5/247:30 pmORD - ONT
1 stop6h 13mDelta
Sun 5/265:45 amONT - ORD
2 stops9h 04mDelta
Deal found 5/15$455
Fri 5/247:30 pmORD - ONT
1 stop6h 13mDelta
Wed 5/291:20 pmONT - ORD
1 stop6h 12mDelta
Deal found 5/15$488
Fri 5/243:50 pmORD - ONT
2 stops9h 53mDelta
Wed 5/292:13 pmONT - ORD
1 stop7h 52mDelta
Deal found 5/15$489
Wed 5/222:29 pmORD - ONT
1 stop10h 09mDelta
Sun 5/265:45 amONT - ORD
2 stops9h 04mDelta
Deal found 5/16$495
Fri 5/245:44 pmORD - ONT
2 stops7h 59mDelta
Sun 5/265:45 amONT - ORD
2 stops9h 04mDelta
Deal found 5/16$500
Fri 5/243:50 pmORD - ONT
2 stops9h 53mDelta
Sun 5/265:45 amONT - ORD
2 stops9h 04mDelta
Deal found 5/15$510

Cheap O'Hare Intl to Ontario flights in May & June 2024

Find cheap flight options from O'Hare Intl to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Scroll through some of the best deals on flights from Chicago to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Fri 6/78:23 pmORD - ONT
1 stop14h 21mFrontier
Mon 6/1012:59 amONT - ORD
1 stop21h 41mFrontier
Deal found 5/16$160
Wed 6/129:53 pmORD - ONT
1 stop28h 06mFrontier
Sat 6/1512:49 amONT - ORD
1 stop21h 51mFrontier
Deal found 5/15$161
Thu 5/307:59 pmORD - ONT
1 stop24h 24mFrontier
Thu 6/67:33 pmONT - ORD
1 stop8h 09mFrontier
Deal found 5/16$162
Fri 5/316:45 pmORD - ONT
1 stop7h 14mFrontier
Sun 6/212:59 amONT - ORD
1 stop22h 14mFrontier
Deal found 5/15$163
Wed 5/296:45 pmORD - ONT
1 stop7h 14mFrontier
Sat 6/1512:49 amONT - ORD
1 stop21h 51mFrontier
Deal found 5/16$164
Wed 6/129:53 pmORD - ONT
1 stop28h 06mFrontier
Wed 6/1910:55 pmONT - ORD
1 stop28h 47mFrontier
Deal found 5/15$165
Sun 5/267:59 pmORD - ONT
1 stop15h 15mFrontier
Fri 5/3112:59 amONT - ORD
1 stop21h 19mFrontier
Deal found 5/15$166
Fri 5/318:05 pmORD - ONT
1 stop20h 30mFrontier
Fri 6/710:23 pmONT - ORD
1 stop20h 43mFrontier
Deal found 5/15$167
Fri 5/316:45 pmORD - ONT
1 stop7h 14mFrontier
Mon 6/179:36 pmONT - ORD
1 stop25h 04mFrontier
Deal found 5/16$168

O'Hare Intl to Ontario 2024 flight deals

Discover exclusive flight deals for travel between O'Hare Intl and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Scroll through some of the best deals on flights from Chicago to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Fri 6/78:23 pmORD - ONT
1 stop14h 21mFrontier
Mon 6/1012:59 amONT - ORD
1 stop21h 41mFrontier
Deal found 5/16$160
Wed 6/129:53 pmORD - ONT
1 stop28h 06mFrontier
Sat 6/1512:49 amONT - ORD
1 stop21h 51mFrontier
Deal found 5/15$161
Thu 5/307:59 pmORD - ONT
1 stop24h 24mFrontier
Thu 6/67:33 pmONT - ORD
1 stop8h 09mFrontier
Deal found 5/16$162
Fri 5/316:45 pmORD - ONT
1 stop7h 14mFrontier
Sun 6/212:59 amONT - ORD
1 stop22h 14mFrontier
Deal found 5/15$163
Wed 5/296:45 pmORD - ONT
1 stop7h 14mFrontier
Sat 6/1512:49 amONT - ORD
1 stop21h 51mFrontier
Deal found 5/16$164
Wed 6/129:53 pmORD - ONT
1 stop28h 06mFrontier
Wed 6/1910:55 pmONT - ORD
1 stop28h 47mFrontier
Deal found 5/15$165
Sun 5/267:59 pmORD - ONT
1 stop15h 15mFrontier
Fri 5/3112:59 amONT - ORD
1 stop21h 19mFrontier
Deal found 5/15$166
Fri 5/318:05 pmORD - ONT
1 stop20h 30mFrontier
Fri 6/710:23 pmONT - ORD
1 stop20h 43mFrontier
Deal found 5/15$167
Fri 5/316:45 pmORD - ONT
1 stop7h 14mFrontier
Mon 6/179:36 pmONT - ORD
1 stop25h 04mFrontier
Deal found 5/16$168

O'Hare Intl to Ontario flights leaving soon

Find last-minute flight options from O'Hare Intl to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Check out these flights departing soon from Chicago to Ontario. Tip: verify your flight details before completing your reservation.
Sat 5/257:59 pmORD - ONT
1 stop13h 30mFrontier
Thu 6/209:40 pmONT - ORD
1 stop6h 02mFrontier
Deal found 5/15$161
Sun 5/267:59 pmORD - ONT
1 stop15h 15mFrontier
Fri 5/3112:59 amONT - ORD
1 stop21h 19mFrontier
Deal found 5/15$166
Wed 5/227:59 pmORD - ONT
1 stop13h 25mFrontier
Sat 6/89:35 pmONT - ORD
1 stop6h 02mFrontier
Deal found 5/15$169
Wed 5/227:59 pmORD - ONT
1 stop13h 25mFrontier
Thu 6/209:40 pmONT - ORD
1 stop6h 02mFrontier
Deal found 5/15$176
Sun 5/267:59 pmORD - ONT
1 stop15h 15mFrontier
Wed 5/2911:30 pmONT - ORD
1 stop27h 30mFrontier
Deal found 5/15$177
Sat 5/257:59 pmORD - ONT
1 stop15h 33mFrontier
Mon 5/2712:59 amONT - ORD
1 stop18h 16mFrontier
Deal found 5/15$179
Sun 5/267:59 pmORD - ONT
1 stop15h 15mFrontier
Wed 5/2911:30 pmONT - ORD
1 stop27h 30mFrontier
Deal found 5/15$180
Wed 5/227:59 pmORD - ONT
1 stop13h 25mFrontier
Mon 6/179:36 pmONT - ORD
1 stop25h 04mFrontier
Deal found 5/15$182
Tue 5/218:00 amORD - ONT
1 stop17h 59mFrontier
Tue 5/2112:59 amONT - ORD
1 stop22h 14mFrontier
Deal found 5/15$187

One-way flights to Ontario from O'Hare Intl

Search for one-way flight options from O'Hare Intl to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the best available deals we've found on one-way flights from Chicago to Ontario. Users needing a return flight from Chicago to Ontario should utilize the search form above.
Sat 8/175:56 pmORD - ONT
1 stop7h 48mFrontier
Deal found 5/15$70
Sat 8/175:56 pmORD - ONT
1 stop7h 48mFrontier
Deal found 5/16$71
Tue 8/208:00 amORD - ONT
1 stop6h 32mFrontier
Deal found 5/15$73
Tue 8/208:00 amORD - ONT
1 stop6h 32mFrontier
Deal found 5/15$74
Tue 8/208:00 amORD - ONT
1 stop6h 32mFrontier
Deal found 5/16$75
Sat 5/257:59 pmORD - ONT
1 stop15h 33mFrontier
Deal found 5/15$76
Wed 6/129:53 pmORD - ONT
1 stop28h 06mFrontier
Deal found 5/16$77
Fri 5/316:45 pmORD - ONT
1 stop7h 14mFrontier
Deal found 5/15$78
Tue 5/287:59 pmORD - ONT
1 stop15h 05mFrontier
Deal found 5/15$80

Find flights from O'Hare Intl to Ontario within your budget

Customize your flight search to find flights from O'Hare Intl to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$160 - $295

Route

Depart

Return

Price

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Fri 6/7

1 stop14h 21m

Ontario

Wed 6/12

1 stop6h 44m

$160

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 6/12

1 stop28h 06m

Ontario

Sat 6/15

1 stop21h 51m

$161

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Fri 5/31

1 stop7h 14m

Ontario

Thu 6/20

1 stop6h 02m

$162

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Fri 5/31

1 stop7h 14m

Ontario

Sun 6/2

1 stop22h 14m

$163

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 5/29

1 stop7h 14m

Ontario

Sat 6/15

1 stop21h 51m

$164

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 6/12

1 stop28h 06m

Ontario

Wed 6/19

1 stop28h 47m

$165

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 5/21

1 stop15h 05m

Ontario

Fri 5/24

1 stop21h 19m

$166

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Fri 5/31

1 stop20h 30m

Ontario

Fri 6/7

1 stop20h 43m

$167

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 5/29

2 stops10h 21m

Ontario

Tue 6/4

1 stop9h 04m

$295

Flights are sorted by cheapest first

Deals found on 5/15

When is the best time to book a flight from Chicago O'Hare Intl Airport to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Ontario. Price data was last updated on May 10, 2024.
The price you pay for your flight from Chicago O'Hare Intl Airport to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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When is the cheapest time to fly from Chicago O'Hare Intl Airport to Ontario?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Ontario. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Ontario flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Ontario by month

Plan your trip from O'Hare Intl to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight from O'Hare Intl to Ontario is currently $75 while a round-trip flight costs $178. Price data was last updated on May 12, 2024.

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ontario (average of $238). Flying from Chicago O'Hare Intl Airport to Ontario in July is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$268

February

$287

March

$281

April

$256

May

$268

June

$330

July

$338

August

$287

September

$258

October

$238

November

$268

December

$272

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 16, 2024.
Peruse reviews from past customers who have flown with Frontier, Delta and United Airlines from Chicago to Ontario to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,040 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,157 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,673 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,924 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.3
Good
14,514 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Crew

8.7

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Chicago O'Hare Intl?

    Ontario (ONT) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Ontario. You should not have trouble finding flights to Ontario from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Ontario airport from Chicago O'Hare Intl. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • Can I find flights from Chicago O'Hare Intl Airport to Ontario for under $200 on Cheapflights?

    Yes, there are multiple flights from Chicago O'Hare Intl Airport to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $160, but on average you can expect to pay $169.

  • Are there last-minute flights available from Chicago O'Hare Intl Airport to Ontario for under $200?

    There are currently 20+ open flights from Chicago O'Hare Intl Airport to Ontario within the next 7 days for less than $200.

  • What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Ontario round-trip?

    Our cheapest airline available from Chicago O'Hare Intl Airport to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $160 on this airline. Frontier is 58% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Ontario?

    Before booking your flight from Chicago O'Hare Intl Airport to Ontario check out the most popular airlines for this route: American Airlines, Delta or Frontier.

  • What does ORD to ONT mean?

    Great question - ORD to ONT just means Chicago O'Hare Intl Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from O'Hare Intl to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your O'Hare Intl to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from O'Hare Intl to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter O'Hare Intl to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from O'Hare Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Ontario.

  • Can I find deals for business class flights from O'Hare Intl to Ontario?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from O'Hare Intl to Ontario that allow pets onboard?

    Many airlines flying from O'Hare Intl to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from O'Hare Intl to Ontario?

    Yes, you can often find last-minute deals on O'Hare Intl to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago O'Hare Intl Airport to Ontario flight deals updated?

    The Chicago O'Hare Intl Airport to Ontario flight deals you see on this page were last updated on 5/16.

See more FAQs

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Alternative routes for O'Hare Intl to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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O'Hare Intl to Merced flights

Top 5 airlines flying from O'Hare Intl to Ontario

Discover the top 5 airlines that operate flights from O'Hare Intl to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$126Average$249FlexibilityNo cancel feeOn-time65%
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FrontierCheapest$139Average$215FlexibilityNo cancel feeOn-time62%
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DeltaCheapest$288Average$352FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$311Average$454FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$311Average$388FlexibilityNo cancel feeOn-time71%
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Chicago O'Hare Intl Airport to Coolangatta flights

Search flights from O'Hare Intl to Ontario by cabin class

Find flights from O'Hare Intl to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from O'Hare Intl to Ontario

Find hourly flight availability from O'Hare Intl to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2024.
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100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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Fly with Cheapflights

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How does Cheapflights help users find flights from O'Hare Intl to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from O'Hare Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Ontario?

Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from O'Hare Intl to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from O'Hare Intl to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from O'Hare Intl today and book when prices fit your budget.

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