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Cheap flights from Ottawa (YOW) to Chicago (CHI) from $178

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 7/25. 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.
YOW — CHI
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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The best prices from Ottawa to Chicago are usually found in April or December, booked 74 days in advance, depart on a Wednesday or Thursday and return on a Sunday

Cheap flight deals from Ottawa to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Chicago (CHI). 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 June 6, 2024.

Popular in

November

Cheapest in

April

Average price

$412

Round-trip from

$223
High demand for flights, 20% potential price rise
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Best time to find cheap flights, 27% potential price drop
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Average for round-trip flights in June 2024
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From Ottawa to Chicago (CHI)
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What is the cheapest day to fly round-trip from Ottawa to Chicago?

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Ottawa to Chicago?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 109% on flights from Ottawa to Chicago compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $359. For sooner than that we have options available in the next 3 days from $592.

What is the cheapest month to fly from Ottawa to Chicago?

April is one of the best times of the year to fly to Chicago from Ottawa. Prices for April average $416 per person but you can even find prices for as low as $244. The most expensive prices can be found in the month of November. Opting for a April flight can save you 25% on your journey compared to booking in November

What is the cheapest time of day to fly from YOW to CHI?

It’s typically best to fly out from Ottawa to Chicago at noon. Doing so could potentially save you 36% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap Ottawa to Chicago flights in June & July 2024

Find cheap flight options from Ottawa to Chicago specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,009,960 searches. Prices were last updated on June 6, 2024.
Listed are some of the best fares we've found on flights departing from Ottawa to Chicago in 2024. Check back regularly for other flight deals.
Thu 7/186:55 pmYOW - MDW
1 stop3h 42mPorter Airlines
Sun 7/218:40 amMDW - YOW
1 stop5h 04mPorter Airlines
Deal found 6/6$298
Fri 6/287:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Tue 7/28:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/5$299
Thu 7/47:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Mon 7/811:30 amMDW - YOW
1 stop3h 59mPorter Airlines
Deal found 6/4$300
Fri 6/287:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Mon 7/18:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/6$304
Fri 6/287:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Mon 7/18:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/5$305
Thu 7/257:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Mon 7/298:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/5$310
Fri 6/215:10 pmYOW - MDW
1 stop5h 27mPorter Airlines
Mon 7/18:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/4$340
Sat 7/1310:00 amYOW - ORD
1 stop13h 51mMultiple Airlines
Thu 7/1810:14 amORD - YOW
1 stop8h 53mMultiple Airlines
Deal found 6/5$342
Thu 7/119:05 amYOW - ORD
2 stops16h 33mMultiple Airlines
Mon 7/159:33 pmORD - YOW
1 stop12h 41mMultiple Airlines
Deal found 6/4$359

Ottawa to Chicago 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and Chicago in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 6, 2024.
Listed are some of the best fares we've found on flights departing from Ottawa to Chicago in 2024. Check back regularly for other flight deals.
Thu 7/186:55 pmYOW - MDW
1 stop3h 42mPorter Airlines
Sun 7/218:40 amMDW - YOW
1 stop5h 04mPorter Airlines
Deal found 6/6$298
Fri 6/287:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Tue 7/28:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/5$299
Thu 7/47:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Mon 7/811:30 amMDW - YOW
1 stop3h 59mPorter Airlines
Deal found 6/4$300
Fri 6/287:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Mon 7/18:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/6$304
Fri 6/287:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Mon 7/18:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/5$305
Thu 7/257:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Mon 7/298:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/5$310
Sat 9/288:35 amYOW - MDW
1 stop3h 57mPorter Airlines
Sun 9/295:15 pmMDW - YOW
1 stop3h 39mPorter Airlines
Deal found 6/5$327
Thu 9/55:10 pmYOW - MDW
1 stop5h 27mPorter Airlines
Mon 9/911:05 amMDW - YOW
1 stop6h 09mPorter Airlines
Deal found 6/5$328
Thu 9/196:55 pmYOW - MDW
1 stop3h 42mPorter Airlines
Mon 9/238:00 amMDW - YOW
1 stop3h 39mPorter Airlines
Deal found 6/5$336

Ottawa to Chicago flights leaving soon

Find last-minute flight options from Ottawa to Chicago 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 3,009,960 searches. Data last updated June 6, 2024.
Book one of these great deals on flights from Ottawa to Chicago. Users should examine the flight details to ensure there are no surprises.
Wed 6/124:15 pmYOW - ORD
1 stop9h 53mMultiple Airlines
Wed 6/1911:24 amORD - YOW
1 stop7h 43mMultiple Airlines
Deal found 6/4$376
Tue 6/187:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Thu 6/208:00 amMDW - YOW
1 stop6h 29mPorter Airlines
Deal found 6/4$379
Tue 6/184:15 pmYOW - ORD
2 stops24h 52mMultiple Airlines
Thu 6/209:10 pmORD - YOW
1 stop13h 04mMultiple Airlines
Deal found 6/4$392
Tue 6/188:55 amYOW - ORD
2 stops12h 25mMultiple Airlines
Thu 6/205:34 pmORD - YOW
2 stops17h 08mMultiple Airlines
Deal found 6/4$411
Tue 6/183:25 pmYOW - ORD
2 stops17h 59mMultiple Airlines
Sat 6/228:39 pmORD - YOW
2 stops19h 00mMultiple Airlines
Deal found 6/5$412
Tue 6/117:20 amYOW - ORD
2 stops12h 45mMultiple Airlines
Tue 6/189:10 pmORD - YOW
2 stops21h 57mMultiple Airlines
Deal found 6/3$432
Wed 6/128:55 amYOW - ORD
2 stops11h 17mMultiple Airlines
Wed 6/195:39 amORD - YOW
1 stop10h 48mMultiple Airlines
Deal found 6/4$434
Fri 6/144:15 pmYOW - ORD
1 stop9h 53mMultiple Airlines
Sun 6/169:10 pmORD - YOW
1 stop13h 04mMultiple Airlines
Deal found 6/3$435
Tue 6/117:20 amYOW - ORD
2 stops12h 45mMultiple Airlines
Tue 6/189:10 pmORD - YOW
3 stops23h 44mMultiple Airlines
Deal found 6/3$437

One-way flights to Chicago from Ottawa

Search for one-way flight options from Ottawa to Chicago. 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 3,009,960 searches. Data last updated June 6, 2024.
Users in need of a one-way flight from Ottawa to Chicago can choose from these deals. For those needing a return trip from Ottawa, there is a search form available above.
Thu 7/255:10 pmYOW - MDW
1 stop5h 27mPorter Airlines
Deal found 6/4$178
Fri 9/65:10 pmYOW - MDW
1 stop5h 27mPorter Airlines
Deal found 6/5$193
Mon 8/267:10 amYOW - MDW
1 stop3h 57mPorter Airlines
Deal found 6/4$196
Fri 9/66:55 pmYOW - MDW
1 stop3h 42mPorter Airlines
Deal found 6/4$201
Mon 8/2612:00 pmYOW - ORD
1 stop11h 52mMultiple Airlines
Deal found 6/4$209
Thu 7/254:15 pmYOW - ORD
1 stop24h 55mMultiple Airlines
Deal found 6/5$216
Tue 6/184:15 pmYOW - ORD
2 stops24h 52mMultiple Airlines
Deal found 6/5$219
Thu 7/259:05 amYOW - ORD
2 stops12h 53mMultiple Airlines
Deal found 6/5$220
Thu 7/2511:30 amYOW - ORD
3 stops14h 08mMultiple Airlines
Deal found 6/4$225

Find flights from Ottawa to Chicago within your budget

Customize your flight search to find flights from Ottawa to Chicago 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 3,009,960 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$298 - $570

Route

Depart

Return

Price

OttawaChicago Midway

YOW - MDW

YOWMDW

Ottawa

Thu 6/27

1 stop3h 57m

Chicago Midway

Tue 7/2

1 stop3h 39m

$298

OttawaChicago Midway

YOW - MDW

YOWMDW

Ottawa

Fri 6/28

1 stop3h 57m

Chicago Midway

Tue 7/2

1 stop6h 29m

$299

OttawaChicago Midway

YOW - MDW

YOWMDW

Ottawa

Mon 7/1

1 stop5h 47m

Chicago Midway

Sun 7/7

1 stop5h 14m

$300

OttawaChicago Midway

YOW - MDW

YOWMDW

Ottawa

Fri 6/28

1 stop3h 57m

Chicago Midway

Mon 7/1

1 stop6h 29m

$305

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Sat 9/14

1 stop7h 59m

Chicago O'Hare Intl

Tue 9/17

1 stop7h 53m

$319

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Sat 7/13

1 stop5h 29m

Chicago O'Hare Intl

Thu 7/18

1 stop8h 53m

$338

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Wed 7/3

1 stop5h 54m

Chicago O'Hare Intl

Wed 7/10

1 stop6h 13m

$510

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Fri 8/2

Nonstop2h 25m

Chicago O'Hare Intl

Sun 8/4

Nonstop2h 18m

$525

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Sat 9/21

2 stops16h 24m

Chicago O'Hare Intl

Sat 10/5

2 stops30h 05m

$570

Flights are sorted by cheapest first

Deals found on 6/3

How far ahead should I book a flight from Ottawa to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Chicago. Price data was last updated on May 31, 2024.
Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

What is the cheapest day to fly from Ottawa to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Chicago. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ottawa to Chicago flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Ottawa to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Chicago by month

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

CHI

Temperature

23 - 73.4 °F

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated June 6, 2024.
Get a feel of what it's like to fly with United Airlines, WestJet and Air Canada from Ottawa to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.5
Good
2,856 reviews

Crew

8.1

Entertainment

6.4

Food

6.4

Boarding

7.6

Overall

7.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

WestJet
7.5
Good
2,856 reviews
WestJet
7.5
Good
2,856 reviews

Crew

8.1

Entertainment

6.4

Food

6.4

Boarding

7.6

Overall

7.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Porter Airlines
7.4
Good
381 reviews
WestJet
7.5
Good
2,856 reviews

Crew

8.1

Entertainment

6.4

Food

6.4

Boarding

7.6

Overall

7.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

United Airlines
7.4
Good
10,703 reviews
WestJet
7.5
Good
2,856 reviews

Crew

8.1

Entertainment

6.4

Food

6.4

Boarding

7.6

Overall

7.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Air Canada
7.0
Good
7,038 reviews
WestJet
7.5
Good
2,856 reviews

Crew

8.1

Entertainment

6.4

Food

6.4

Boarding

7.6

Overall

7.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Chicago. 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 from for flights from Ottawa to Chicago?

    Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Chicago from Ottawa. Booking flights from Ottawa (YOW) to Chicago should be relatively easy as there are 4 daily outbound flights to Chicago from 3 different airlines.

  • Can I find flights from Ottawa to Chicago for under $300 on Cheapflights?

    Yes, there are multiple flights from Ottawa to Chicago for under $300. The cheapest flight booked recently is on Porter Airlines for just $298, but on average you can expect to pay $324.

  • Are there nonstop flights from Ottawa to Chicago for under $600 on Cheapflights?

    Cheapflights has at least 19 direct flights from Ottawa to Chicago under $600. A good price for a nonstop flight from Ottawa to Chicago is less than $632.

  • Are there last-minute flights available from Ottawa to Chicago for under $400?

    There are currently 20+ open flights from Ottawa to Chicago within the next 7 days for less than $400.

  • What is the cheapest airline to fly from Ottawa to Chicago round-trip?

    Our cheapest airline available from Ottawa to Chicago is Porter Airlines. Our recent data shows that you can find tickets from as low as $298 on this airline. Porter Airlines is currently priced 28% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ottawa to Chicago one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at $178. Air Canada flights start at $287 while deals on United Airlines start at $290 one-way.

  • What are the most reliable airlines from Ottawa to Chicago?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ottawa to Chicago on time: ANA (95%), Air Canada (83%), United Airlines (83%).

  • What are the cheapest flights from Ottawa to Chicago?

    Looking for the cheapest flight from Ottawa to Chicago? While on average our users pay $682, our data indicates the cheapest price to be $279. The most popular route (Ottawa - Chicago Midway), is priced around $298.

  • What does YOW to ORD mean?

    YOW and ORD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. YOW to ORD refers to a flight route from Ottawa Airport to Chicago O'Hare Intl Airport. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Ottawa to Chicago that include extra baggage allowance?

    The amount of baggage you can bring on your Ottawa to Chicago 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 Ottawa to Chicago with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ottawa to Chicago 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 Ottawa to Chicago that include hotel bookings?

    Yes. In addition to deals on Ottawa to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Chicago.

  • Can I find deals for business class flights from Ottawa to Chicago?

    Yes. Cheapflights offers flight deals from Ottawa to Chicago 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 Ottawa to Chicago that allow pets onboard?

    Many airlines flying from Ottawa to Chicago 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 Ottawa to Chicago?

    Yes, you can often find last-minute deals on Ottawa to Chicago 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 Ottawa to Chicago flight deals updated?

    The Ottawa to Chicago flight deals you see on this page were last updated on 6/6.

  • What is the cheapest month to book a flight from Ottawa to Chicago?

    Currently, February is the cheapest month in which you can book a flight from Ottawa to Chicago (average of $244). Flying from Ottawa to Chicago in July is currently the most expensive (average of $324). 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.

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Alternative routes for Ottawa to Chicago
See prices for flight routes from nearby airports that may be better suited for you.

Pearson Intl to O'Hare Intl flights
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Hamilton to O'Hare Intl flights
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Ottawa to St. Louis flights
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Pearson Intl to Peoria flights

Top 3 airlines flying from Ottawa to Chicago

Discover the top 3 airlines that operate flights from Ottawa to Chicago. 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 3,009,960 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$266Average$408FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$471Average$556FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$514Average$557FlexibilityNo cancel feeOn-time69%
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Search flights from Ottawa to Chicago by cabin class

Find flights from Ottawa to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
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Hourly flight availability from Ottawa to Chicago

Find hourly flight availability from Ottawa to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 6, 2024.
58%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
42%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ottawa to Chicago

Explore weekly flight availability from Ottawa to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 6, 2024.
Sunday4daily flights
Monday4daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday4daily flights
Friday4daily flights
Saturday4daily flights

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Chicago?

When you search for this flight from Ottawa to Chicago, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Chicago?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to Chicago for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ottawa to Chicago with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Chicago, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ottawa to Chicago become cheaper?

Yes, Cheapflights offers price alerts on Ottawa to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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