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$119+ Cheap flights from Luis Munoz Marin Intl (SJU) to Ontario (ONT)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ONT
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
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 January 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$345
(Delta)

One-way from

$119
(Trip.com)

Popular in

June

Cheapest in

March

Average price

$664
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Ontario flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Ontario flights.
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From San Juan Luis Munoz Marin Intl to Ontario
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One-way flight from San Juan Luis Munoz Marin Intl to Ontario
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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Luis Munoz Marin Intl to Ontario

Cheapest flights from Luis Munoz Marin Intl to Ontario
Explore the most affordable flight options available from Luis Munoz Marin Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:56 pmSJU - ONT
1 stop12h 33mDelta
Sat 9/2710:59 pmONT - SJU
1 stop11h 41mDelta
Deal found 1/15$345
This American Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/272:40 pmSJU - ONT
2 stops13h 13mAmerican Airlines
Wed 3/510:50 pmONT - SJU
1 stop18h 35mAmerican Airlines
Deal found 1/15$374
This Southwest deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:10 amSJU - ONT
2 stops12h 40mSouthwest
Mon 8/258:30 pmONT - SJU
2 stops11h 20mSouthwest
Deal found 1/16$468
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/92:55 pmSJU - ONT
1 stop9h 43mUnited Airlines
Fri 5/166:02 amONT - SJU
1 stop11h 36mUnited Airlines
Deal found 1/16$544
This Alaska Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:42 pmSJU - ONT
2 stops26h 30mAlaska Airlines
Sat 10/186:00 pmONT - SJU
2 stops17h 07mAlaska Airlines
Deal found 1/15$1,033
This JetBlue deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/112:30 pmSJU - ONT
1 stop11h 54mJetBlue
Sat 7/510:40 pmONT - SJU
1 stop12h 19mJetBlue
Deal found 1/15$1,098

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 2,558,603 searches. Data last updated January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 2/27

4:15 pm-10:52 pm

1 stop10h 37m

Ontario

Wed 3/5

7:05 am-11:46 pm

1 stop12h 41m

$345

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 2/27

2:40 pm-11:53 pm

2 stops13h 13m

Ontario

Wed 3/5

10:50 pm-9:25 pm

1 stop18h 35m

$374

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 5/9

2:55 pm-9:38 pm

1 stop9h 43m

Ontario

Fri 5/16

6:02 am-8:38 pm

1 stop11h 36m

$544

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 7/1

12:30 pm-9:24 pm

1 stop11h 54m

Ontario

Sat 7/5

10:40 pm-1:59 pm

1 stop12h 19m

$1,098

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 4/3

6:05 am-10:39 am

2 stops31h 34m

Ontario

Wed 4/9

11:33 am-2:27 pm

2 stops23h 54m

$1,629

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 1/29

9:26 pm-1:47 pm

2 stops20h 21m

$119

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 2/6

4:15 pm-10:52 pm

1 stop10h 37m

$173

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 5/7

1:30 pm-10:22 pm

1 stop11h 52m

$236

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 2/5

2:05 am-12:41 pm

2 stops14h 36m

$243

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sun 4/6

6:01 am-11:59 pm

2 stops20h 58m

$1,132

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Compare providers for flights from Luis Munoz Marin Intl to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Ontario in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Luis Munoz Marin Intl to Ontario

Get recent, data-driven insights about flights from Luis Munoz Marin Intl to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Ontario (average of $246). Flying from San Juan Luis Munoz Marin Intl Airport to Ontario in March is currently the most expensive (average of $311). 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.

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

Find hourly flight availability from Luis Munoz Marin 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 January 17, 2025.

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 in the morning. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the afternoon.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

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 January 17, 2025.
Alaska Airlines
8.0
Very good
9,681 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

JetBlue
7.4
Good
3,199 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

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 3 different airlines.

  • 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 Delta. Our recent data shows that you can find tickets from as low as $345 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $374 and $544 round-trip. Users have found that Delta is 39% 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 ($119), Delta ($173), and JetBlue ($236).

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Ontario (average of $246). Flying from San Juan Luis Munoz Marin Intl Airport to Ontario in March is currently the most expensive (average of $311). 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.

See more FAQs

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Top 3 airlines flying from Luis Munoz Marin Intl to Ontario

Discover the top 3 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 2,558,603 searches. Data last updated January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$334Average$644FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$344Average$681FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$390Average$654FlexibilityNo cancel feeOn-time69%
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