$155+ Cheap flights from Ontario (ONT) to Luis Munoz Marin Intl (SJU)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
Jul 30 — Aug 61

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Ontario to San Juan Luis Munoz Marin Intl are usually found in September or January, booked 86 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Ontario to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Luis Munoz Marin Intl (SJU). 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 July 25, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$255
(Trip.com)

One-way from

$155
(Trip.com)
High demand for flights, 41% potential price rise
Best time to find cheap flights, 29% potential price drop
From Ontario to San Juan Luis Munoz Marin Intl
One-way flight from Ontario to San Juan Luis Munoz Marin Intl

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 84% when planning your travel around this day of the week.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 84% on flights from Ontario to San Juan Luis Munoz Marin Intl Airport compared to booking the week you need them. Waiting 51 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 $419. For sooner than that we have options available in the next 3 days from $649.

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

September is one of the best times of the year to fly to San Juan Luis Munoz Marin Intl Airport from Ontario. Prices for September average $465 per person but you can even find prices for as low as $222. The most expensive prices can be found in the month of December. Opting for a September flight can save you 38% on your journey compared to booking in December

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

One of the essential ways to save on airfare from Ontario to San Juan Luis Munoz Marin Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 42% on airfare.

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

Find cheap flight options from Ontario to Luis Munoz Marin Intl specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to San Juan in 2024. Check back in a little while for more flight options.
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/216:00 amONT - SJU
2 stops23h 45mFrontier
Tue 8/273:03 amSJU - ONT
2 stops23h 41mFrontier
Deal found 7/24$255
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/107:59 pmONT - SJU
2 stops15h 59mFrontier
Sun 8/253:03 amSJU - ONT
2 stops24h 20mFrontier
Deal found 7/24$316
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1512:59 amONT - SJU
2 stops30h 29mFrontier
Tue 8/206:45 amSJU - ONT
2 stops20h 14mFrontier
Deal found 7/24$320
This American Airlines deal was found by Cheapflights users on 7/24. 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 8/226:40 amONT - SJU
2 stops13h 32mAmerican Airlines
Tue 8/276:30 amSJU - ONT
2 stops18h 57mAmerican Airlines
Deal found 7/24$322
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 8/1611:59 pmONT - SJU
2 stops13h 41mAmerican Airlines
Sat 8/246:30 amSJU - ONT
2 stops14h 54mAmerican Airlines
Deal found 7/24$353
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/107:59 pmONT - SJU
1 stop30h 34mFrontier
Sun 8/253:03 amSJU - ONT
2 stops24h 20mFrontier
Deal found 7/24$370
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/1610:30 pmONT - SJU
1 stop13h 30mAmerican Airlines
Fri 8/233:39 pmSJU - ONT
1 stop11h 19mAmerican Airlines
Deal found 7/25$384
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/291:22 pmONT - SJU
2 stops23h 13mFrontier
Mon 8/56:22 pmSJU - ONT
1 stop17h 12mFrontier
Deal found 7/24$406
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Tue 8/2011:59 pmONT - SJU
2 stops18h 36mAmerican Airlines
Mon 8/266:30 amSJU - ONT
2 stops18h 10mAmerican Airlines
Deal found 7/24$408

Ontario to Luis Munoz Marin Intl 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Luis Munoz Marin Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to San Juan in 2024. Check back in a little while for more flight options.
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/216:00 amONT - SJU
2 stops23h 45mFrontier
Tue 8/273:03 amSJU - ONT
2 stops23h 41mFrontier
Deal found 7/24$255
This Trip.com deal was found by Cheapflights users on 7/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/185:45 amONT - SJU
2 stops43h 30mFrontier
Sat 9/213:03 amSJU - ONT
2 stops20h 26mFrontier
Deal found 7/25$315
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/107:59 pmONT - SJU
2 stops15h 59mFrontier
Sun 8/253:03 amSJU - ONT
2 stops24h 20mFrontier
Deal found 7/24$316
This JetBlue deal was found by Cheapflights users on 7/25. 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.
Sun 9/1511:35 pmONT - SJU
1 stop12h 46mJetBlue
Mon 9/2311:32 amSJU - ONT
1 stop13h 48mJetBlue
Deal found 7/25$318
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1512:59 amONT - SJU
2 stops30h 29mFrontier
Tue 8/206:45 amSJU - ONT
2 stops20h 14mFrontier
Deal found 7/24$320
This American Airlines deal was found by Cheapflights users on 7/24. 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 8/226:40 amONT - SJU
2 stops13h 32mAmerican Airlines
Tue 8/276:30 amSJU - ONT
2 stops18h 57mAmerican Airlines
Deal found 7/24$322
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 8/1611:59 pmONT - SJU
2 stops13h 41mAmerican Airlines
Sat 8/246:30 amSJU - ONT
2 stops14h 54mAmerican Airlines
Deal found 7/24$353
This Delta deal was found by Cheapflights users on 7/23. 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 10/2410:00 pmONT - SJU
1 stop12h 41mDelta
Sat 11/22:25 pmSJU - ONT
1 stop9h 45mDelta
Deal found 7/23$359
This JetBlue deal was found by Cheapflights users on 7/23. 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.
Wed 9/411:20 pmONT - SJU
1 stop13h 01mJetBlue
Wed 9/1111:32 amSJU - ONT
1 stop13h 33mJetBlue
Deal found 7/23$364

Ontario to Luis Munoz Marin Intl flights leaving soon

Find last-minute flight options from Ontario to Luis Munoz Marin Intl 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 2,752,877 searches. Data last updated July 25, 2024.
Book one of these great deals on flights from Ontario to San Juan. Tip: verify your flight details before completing your reservation.
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 7/312:47 pmONT - SJU
1 stop11h 13mAmerican Airlines
Sat 8/36:25 amSJU - ONT
2 stops14h 57mAmerican Airlines
Deal found 7/23$576
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/318:17 amONT - SJU
2 stops20h 56mFrontier
Sat 8/108:59 amSJU - ONT
2 stops18h 02mFrontier
Deal found 7/24$605
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 7/316:05 amONT - SJU
1 stop15h 15mAmerican Airlines
Sat 8/34:00 pmSJU - ONT
1 stop10h 49mAmerican Airlines
Deal found 7/23$634
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 7/316:15 amONT - SJU
2 stops15h 05mAmerican Airlines
Sat 8/38:00 amSJU - ONT
2 stops13h 22mAmerican Airlines
Deal found 7/23$636
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/318:17 amONT - SJU
2 stops20h 56mFrontier
Thu 8/89:08 amSJU - ONT
2 stops17h 51mFrontier
Deal found 7/24$647
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/318:17 amONT - SJU
2 stops20h 56mFrontier
Fri 8/99:10 amSJU - ONT
2 stops14h 51mFrontier
Deal found 7/24$648
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Tue 7/305:10 amONT - SJU
1 stop9h 20mUnited Airlines
Wed 8/71:40 pmSJU - ONT
1 stop10h 08mUnited Airlines
Deal found 7/24$654
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 8/31:30 pmONT - SJU
2 stops13h 00mUnited Airlines
Wed 8/71:40 pmSJU - ONT
1 stop10h 08mUnited Airlines
Deal found 7/25$664
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 8/35:10 amONT - SJU
1 stop9h 16mUnited Airlines
Thu 8/81:40 pmSJU - ONT
1 stop10h 08mUnited Airlines
Deal found 7/25$699

One-way flights to Luis Munoz Marin Intl from Ontario

Search for one-way flight options from Ontario to Luis Munoz Marin Intl. 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 2,752,877 searches. Data last updated July 25, 2024.
Users in need of a one-way flight from Ontario to San Juan can choose from these deals. Users in need of a round-trip flight from Ontario to San Juan instead should update the search form at the top of page.
This Trip.com deal was found by Cheapflights users on 7/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2212:59 amONT - SJU
2 stops30h 29mFrontier
Deal found 7/24$155
This JetBlue deal was found by Cheapflights users on 7/24. 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.
Sun 8/2511:45 pmONT - SJU
1 stop13h 18mJetBlue
Deal found 7/24$159
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/3012:59 amONT - SJU
2 stops10h 54mFrontier
Deal found 7/24$172
This Trip.com deal was found by Cheapflights users on 7/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/235:45 amONT - SJU
2 stops25h 43mFrontier
Deal found 7/25$197
This JetBlue deal was found by Cheapflights users on 7/25. 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 10/2211:35 pmONT - SJU
1 stop12h 46mJetBlue
Deal found 7/25$205
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/171:30 pmONT - SJU
2 stops13h 00mUnited Airlines
Deal found 7/23$206
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Tue 10/226:35 pmONT - SJU
2 stops15h 20mUnited Airlines
Deal found 7/24$237
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/308:27 amONT - SJU
2 stops27h 26mFrontier
Deal found 7/25$238
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 8/1210:00 pmONT - SJU
1 stop10h 45mDelta
Deal found 7/24$247

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

Customize your flight search to find flights from Ontario to Luis Munoz Marin Intl 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$255 - $412

Route

Depart

Return

Price

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Wed 8/21

2 stops23h 45m

San Juan Luis Munoz Marin Intl

Tue 8/27

2 stops23h 41m

$255

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Wed 9/18

2 stops43h 30m

San Juan Luis Munoz Marin Intl

Sat 9/21

2 stops20h 26m

$315

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sat 8/10

2 stops15h 59m

San Juan Luis Munoz Marin Intl

Sun 8/25

2 stops24h 20m

$316

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 9/15

1 stop12h 46m

San Juan Luis Munoz Marin Intl

Mon 9/23

1 stop13h 48m

$318

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Thu 8/22

2 stops13h 32m

San Juan Luis Munoz Marin Intl

Tue 8/27

2 stops18h 57m

$322

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Fri 8/16

2 stops13h 41m

San Juan Luis Munoz Marin Intl

Sat 8/24

2 stops14h 54m

$353

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Fri 1/17

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Sat 1/25

1 stop11h 30m

$359

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Wed 9/4

1 stop13h 01m

San Juan Luis Munoz Marin Intl

Wed 9/11

1 stop13h 33m

$364

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Wed 1/8

2 stops14h 34m

San Juan Luis Munoz Marin Intl

Tue 1/14

2 stops17h 41m

$412

Flights are sorted by cheapest first

Deals found on 7/24

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Luis Munoz Marin Intl. Price data was last updated on July 23, 2024.
The best time to book flights from Ontario to San Juan Luis Munoz Marin Intl Airport is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Luis Munoz Marin Intl. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday evenings 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 Ontario to Luis Munoz Marin Intl

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

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature and rainfall totals by month.

SJU

Temperature

77 - 82.4 °F

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated July 25, 2024.
See what other customers who have flown with JetBlue, United Airlines and American Airlines from Ontario to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,365 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.0
Very good
9,630 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.6
Good
3,996 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
10,000 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
10,000 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Luis Munoz Marin Intl. 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 Ontario to San Juan Luis Munoz Marin Intl?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to San Juan Luis Munoz Marin Intl. 6 airlines have flights from Ontario to San Juan Luis Munoz Marin Intl on a regular basis. Booking flights from Ontario to San Juan Luis Munoz Marin Intl should not be difficult; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day.

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

    Yes, there are multiple flights from Ontario to San Juan Luis Munoz Marin Intl Airport for under $300. The cheapest flight booked recently is on Frontier for just $255, but on average you can expect to pay $375.

  • Are there last-minute flights available from Ontario to San Juan Luis Munoz Marin Intl Airport for under $600?

    There are currently 20+ open flights from Ontario to San Juan Luis Munoz Marin Intl Airport within the next 7 days for less than $600.

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

    Cheapflights users have booked flights from Ontario to San Juan Luis Munoz Marin Intl Airport round-trip from $255. Other airlines that can offer you cheap pricing are JetBlue, from $318, and American Airlines, from $322. Frontier is currently priced 56% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Ontario to San Juan Luis Munoz Marin Intl Airport are Frontier ($155), JetBlue ($159), and United Airlines ($206).

  • What does ONT to SJU mean?

    ONT and SJU 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. ONT to SJU refers to a flight route from Ontario Airport to San Juan Luis Munoz Marin Intl Airport.

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

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

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

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

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

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

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

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

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

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

    The Ontario to San Juan Luis Munoz Marin Intl Airport flight deals you see on this page were last updated on 7/25.

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

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

    Currently, September is the cheapest month in which you can book a flight from Ontario to San Juan Luis Munoz Marin Intl Airport (average of $245). Flying from Ontario to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $336). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Ontario to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from Ontario to Luis Munoz Marin Intl. 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$244Average$328FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$249Average$625FlexibilityNo cancel feeOn-time62%
DeltaCheapest$334Average$563FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$356Average$621FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$426Average$694FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$472Average$568FlexibilityNo cancel feeOn-time75%

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

Find flights from Ontario to Luis Munoz Marin Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.