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Cheap flights from Luis Munoz Marin Intl (SJU) to Ontario (ONT) from $139

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 8/7. 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.
SJU — ONT
Jun 10 — Jun 171
From?
To?
Mon 6/10
Mon 6/17
1 adult, Economy
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Cheap flight deals from Luis Munoz Marin Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) 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 June 5, 2024.

Popular in

December

Cheapest in

September

Average price

$705

Round-trip from

$238
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 34% potential price drop
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Average for round-trip flights in June 2024
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From San Juan Luis Munoz Marin Intl to Ontario
Search Deals

What is the cheapest day to fly round-trip from San Juan Luis Munoz Marin Intl Airport to Ontario?

Travelers have found that booking a Monday departure is the best way to save up to 111% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport to Ontario?

To save on the cost of your flight from San Juan Luis Munoz Marin Intl Airport to Ontario, book at least 37 days before your planned departure. Booking around this time can save you about 68% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $403 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $540.

What is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Ontario?

September is one of the best times of the year to fly to Ontario from San Juan Luis Munoz Marin Intl Airport. Prices for September average $438 per person but you can even find prices for as low as $212. The most expensive prices can be found in the month of June. Opting for a September flight can save you 27% on your journey compared to booking in June

What is the cheapest time of day to fly from SJU to ONT?

A simple way to save on the total cost of your ticket is to fly from San Juan Luis Munoz Marin Intl Airport to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the morning.

Cheap Luis Munoz Marin Intl to Ontario flights in June & July 2024

Find cheap flight options from Luis Munoz Marin Intl to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 5, 2024.
The lowest fares we've come across on flights traveling from San Juan to Ontario in June and July 2024. Check back regularly for other flight deals.
Thu 7/44:07 pmSJU - ONT
2 stops17h 12mFrontier
Mon 7/812:49 amONT - SJU
2 stops11h 14mFrontier
Deal found 6/5$290
Wed 6/193:57 pmSJU - ONT
2 stops34h 41mFrontier
Mon 6/2412:49 amONT - SJU
2 stops11h 12mFrontier
Deal found 6/5$297
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Sun 6/2310:12 amONT - SJU
1 stop15h 38mFrontier
Deal found 6/4$298
Wed 6/263:57 pmSJU - ONT
2 stops22h 02mFrontier
Fri 7/1212:39 amONT - SJU
2 stops11h 44mFrontier
Deal found 6/5$304
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Sat 6/2212:59 amONT - SJU
2 stops10h 52mFrontier
Deal found 6/4$306
Fri 6/214:07 pmSJU - ONT
2 stops34h 52mFrontier
Mon 6/2412:49 amONT - SJU
2 stops11h 12mFrontier
Deal found 6/5$308
Thu 6/274:07 pmSJU - ONT
2 stops17h 16mFrontier
Sat 7/1312:55 pmONT - SJU
2 stops22h 58mFrontier
Deal found 6/5$335
Mon 7/15:31 pmSJU - ONT
1 stop15h 43mFrontier
Mon 7/89:08 pmONT - SJU
2 stops14h 55mFrontier
Deal found 6/3$352
Thu 6/274:07 pmSJU - ONT
2 stops34h 33mFrontier
Mon 7/15:13 pmONT - SJU
1 stop9h 20mFrontier
Deal found 6/5$364

Luis Munoz Marin Intl to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Luis Munoz Marin Intl and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.
The lowest fares we've come across on flights traveling from San Juan to Ontario in June and July 2024. Check back regularly for other flight deals.
Thu 7/44:07 pmSJU - ONT
2 stops17h 12mFrontier
Mon 7/812:49 amONT - SJU
2 stops11h 14mFrontier
Deal found 6/5$290
Wed 6/193:57 pmSJU - ONT
2 stops34h 41mFrontier
Mon 6/2412:49 amONT - SJU
2 stops11h 12mFrontier
Deal found 6/5$297
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Sun 6/2310:12 amONT - SJU
1 stop15h 38mFrontier
Deal found 6/4$298
Mon 9/95:24 pmSJU - ONT
2 stops19h 36mAmerican Airlines
Tue 9/1711:59 pmONT - SJU
2 stops13h 35mAmerican Airlines
Deal found 6/4$302
Wed 6/263:57 pmSJU - ONT
2 stops22h 02mFrontier
Fri 7/1212:39 amONT - SJU
2 stops11h 44mFrontier
Deal found 6/5$304
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Sat 6/2212:59 amONT - SJU
2 stops10h 52mFrontier
Deal found 6/4$306
Fri 6/214:07 pmSJU - ONT
2 stops34h 52mFrontier
Mon 6/2412:49 amONT - SJU
2 stops11h 12mFrontier
Deal found 6/5$308
Sat 8/34:31 pmSJU - ONT
2 stops34h 28mFrontier
Fri 8/912:39 amONT - SJU
2 stops11h 44mFrontier
Deal found 6/5$313
Thu 6/274:07 pmSJU - ONT
2 stops17h 16mFrontier
Sat 7/1312:55 pmONT - SJU
2 stops22h 58mFrontier
Deal found 6/5$335

Luis Munoz Marin Intl to Ontario flights leaving soon

Find last-minute flight options from Luis Munoz Marin 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 3,050,429 searches. Data last updated June 5, 2024.
Users seeking a last-minute flight from San Juan to Ontario should consider booking one of these fares. Tip: verify your flight details before completing your reservation.
Mon 6/105:31 pmSJU - ONT
1 stop15h 43mFrontier
Sat 6/1512:49 amONT - SJU
2 stops11h 02mFrontier
Deal found 6/4$438
Mon 6/104:27 pmSJU - ONT
2 stops18h 00mFrontier
Sat 6/1512:49 amONT - SJU
2 stops11h 02mFrontier
Deal found 6/4$458
Mon 6/104:27 pmSJU - ONT
2 stops34h 32mFrontier
Sun 6/1611:29 amONT - SJU
2 stops24h 52mFrontier
Deal found 6/4$672
Wed 6/126:15 amSJU - ONT
2 stops12h 36mAmerican Airlines
Wed 6/127:26 pmONT - SJU
2 stops12h 41mAmerican Airlines
Deal found 6/3$708
Tue 6/114:07 pmSJU - ONT
2 stops17h 55mFrontier
Thu 6/2011:59 amONT - SJU
2 stops24h 02mFrontier
Deal found 6/4$740
Tue 6/114:07 pmSJU - ONT
2 stops17h 55mFrontier
Thu 6/2010:10 amONT - SJU
1 stop15h 20mFrontier
Deal found 6/4$760
Tue 6/114:07 pmSJU - ONT
2 stops34h 42mFrontier
Thu 6/2011:59 amONT - SJU
2 stops24h 02mFrontier
Deal found 6/5$780
Tue 6/114:07 pmSJU - ONT
2 stops17h 55mFrontier
Wed 6/1912:49 amONT - SJU
2 stops11h 12mFrontier
Deal found 6/5$799
Wed 6/127:05 amSJU - ONT
1 stop9h 43mAmerican Airlines
Wed 6/1211:59 pmONT - SJU
2 stops12h 10mAmerican Airlines
Deal found 6/3$818

One-way flights to Ontario from Luis Munoz Marin Intl

Search for one-way flight options from Luis Munoz Marin 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 3,050,429 searches. Data last updated June 5, 2024.
Users traveling one-way from San Juan to Ontario can select one of these great deals. Those seeking round-trip flights from San Juan to Ontario should utilize the search form at the the top of the page.
Wed 8/74:01 pmSJU - ONT
2 stops22h 01mFrontier
Deal found 6/5$139
Sat 8/34:31 pmSJU - ONT
2 stops34h 28mFrontier
Deal found 6/5$155
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 6/4$159
Wed 6/193:57 pmSJU - ONT
2 stops22h 02mFrontier
Deal found 6/4$163
Wed 6/263:57 pmSJU - ONT
2 stops22h 02mFrontier
Deal found 6/3$164
Fri 8/94:12 pmSJU - ONT
2 stops20h 29mFrontier
Deal found 6/5$173
Wed 8/712:56 pmSJU - ONT
1 stop13h 01mDelta
Deal found 6/5$180
Tue 6/254:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 6/4$189
Wed 11/137:45 amSJU - ONT
2 stops18h 36mUnited Airlines
Deal found 6/4$196

Find flights from Luis Munoz Marin Intl to Ontario within your budget

Customize your flight search to find flights from Luis Munoz Marin 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 3,050,429 searches. Data last updated June 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$298 - $713

Route

Depart

Return

Price

San Juan Luis Munoz Marin IntlOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 6/20

2 stops17h 16m

Ontario

Sun 6/23

1 stop15h 38m

$298

San Juan Luis Munoz Marin IntlOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mon 9/9

2 stops19h 36m

Ontario

Tue 9/17

2 stops13h 35m

$302

San Juan Luis Munoz Marin IntlOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 6/26

2 stops22h 02m

Ontario

Fri 7/12

2 stops11h 44m

$304

San Juan Luis Munoz Marin IntlOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 6/20

2 stops17h 16m

Ontario

Sat 6/22

2 stops10h 52m

$306

San Juan Luis Munoz Marin IntlOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 6/27

2 stops17h 16m

Ontario

Sat 7/13

2 stops22h 58m

$335

San Juan Luis Munoz Marin IntlOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 10/25

1 stop9h 51m

Ontario

Sun 10/27

1 stop9h 10m

$392

San Juan Luis Munoz Marin IntlOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 9/18

1 stop11h 34m

Ontario

Mon 9/23

1 stop12h 22m

$397

San Juan Luis Munoz Marin IntlOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mon 9/9

1 stop12h 52m

Ontario

Tue 9/17

1 stop11h 53m

$432

San Juan Luis Munoz Marin IntlOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mon 9/9

2 stops33h 41m

Ontario

Thu 9/12

2 stops19h 21m

$713

Flights are sorted by cheapest first

Deals found on 6/4

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Ontario. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Ontario flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Luis Munoz Marin Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Luis Munoz Marin Intl 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 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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 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 June 5, 2024.
Read reviews from past customers who have flown Frontier, American Airlines and United Airlines from San Juan to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,922 reviews

Overall

8.2

Crew

8.7

Food

7.3

Comfort

8.1

Boarding

8.3

Entertainment

7.8

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
5,922 reviews
Southwest
8.2
Very good
5,922 reviews

Overall

8.2

Crew

8.7

Food

7.3

Comfort

8.1

Boarding

8.3

Entertainment

7.8

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
9,222 reviews
Southwest
8.2
Very good
5,922 reviews

Overall

8.2

Crew

8.7

Food

7.3

Comfort

8.1

Boarding

8.3

Entertainment

7.8

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
10,368 reviews
Southwest
8.2
Very good
5,922 reviews

Overall

8.2

Crew

8.7

Food

7.3

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Reviews

1 / 10

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

JetBlue
7.6
Good
4,316 reviews
Southwest
8.2
Very good
5,922 reviews

Overall

8.2

Crew

8.7

Food

7.3

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Reviews

1 / 10

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

Avianca
7.5
Good
3,599 reviews
Southwest
8.2
Very good
5,922 reviews

Overall

8.2

Crew

8.7

Food

7.3

Comfort

8.1

Boarding

8.3

Entertainment

7.8

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 Luis Munoz Marin 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 San Juan Luis Munoz Marin Intl?

    If you book a flight to Ontario from San Juan Luis Munoz Marin Intl, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from San Juan Luis Munoz Marin Intl to Ontario per day from 4 different airlines.

  • Can I find flights from San Juan Luis Munoz Marin Intl Airport to Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from San Juan Luis Munoz Marin Intl Airport to Ontario for under $300. The cheapest flight booked recently is on Frontier for just $298, but on average you can expect to pay $376.

  • Are there last-minute flights available from San Juan Luis Munoz Marin Intl Airport to Ontario for under $500?

    There are currently 13+ open flights from San Juan Luis Munoz Marin Intl Airport to Ontario within the next 7 days for less than $500.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Ontario round-trip?

    Our cheapest airline available from San Juan Luis Munoz Marin Intl Airport to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $298 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $302 and $392 round-trip. Users have found that Frontier is 43% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Juan Luis Munoz Marin Intl Airport to Ontario one-way?

    The cheapest airlines for a one-way flight from San Juan Luis Munoz Marin Intl Airport to Ontario are Frontier ($139), Delta ($180), and United Airlines ($196).

  • What does SJU to ONT mean?

    San Juan Luis Munoz Marin Intl Airport is SJU and Ontario Airport is ONT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Luis Munoz Marin Intl to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Luis Munoz Marin 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 Luis Munoz Marin Intl to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Luis Munoz Marin 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 Luis Munoz Marin Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Ontario?

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

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Ontario?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin 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 Luis Munoz Marin Intl to Ontario that allow pets onboard?

    Many airlines flying from Luis Munoz Marin 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 Luis Munoz Marin Intl to Ontario?

    Yes, you can often find last-minute deals on Luis Munoz Marin 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 San Juan Luis Munoz Marin Intl Airport to Ontario flight deals updated?

    The San Juan Luis Munoz Marin Intl Airport to Ontario flight deals you see on this page were last updated on 6/5.

  • What are the most popular airlines that fly from San Juan Luis Munoz Marin Intl Airport to Ontario?

    When booking a flight from San Juan Luis Munoz Marin Intl Airport to Ontario, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

  • What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Ontario?

    Currently, October is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Ontario (average of $239). Flying from San Juan Luis Munoz Marin Intl Airport to Ontario in July is currently the most expensive (average of $327). 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 Luis Munoz Marin Intl to Ontario
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Top 4 airlines flying from Luis Munoz Marin Intl to Ontario

Discover the top 4 airlines that operate flights from Luis Munoz Marin 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 3,050,429 searches. Data last updated June 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$181Average$278FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$276Average$621FlexibilityNo cancel feeOn-time71%
DeltaCheapest$364Average$647FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$390Average$570FlexibilityNo cancel feeOn-time69%
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San Juan Luis Munoz Marin Intl Airport to Porto flights

Search flights from Luis Munoz Marin Intl to Ontario by cabin class

Find flights from Luis Munoz Marin Intl to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from Luis Munoz Marin Intl to Ontario?

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Why should you use Cheapflights to find cheap flight tickets from Luis Munoz Marin Intl to Ontario?

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Can Cheapflights find flights from Luis Munoz Marin Intl to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Luis Munoz Marin Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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