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ONT - SJU
Sep 10 - Sep 17
San Juan

$102+ Cheap flights from Ontario (ONT) to San Juan

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
Sep 10 — Sep 171
Tue 9/10
Tue 9/17
1 adult, Economy
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ONT - SJU
Sep 10 - Sep 17

Find cheap flights from Ontario to San Juan with Cheapflights

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3. Compare prices and book
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The best prices from Ontario to San Juan are usually found in September or January, booked 22 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Ontario to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to San Juan (PR1). 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 September 5, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$223
(Trip.com)

One-way from

$102
(Trip.com)
High demand for flights, 40% potential price rise
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Best time to find cheap flights, 30% potential price drop
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From Ontario to San Juan
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One-way flight from Ontario to San Juan
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Cheap Ontario to San Juan flights in September & October 2024

Find cheap flight options from Ontario to San Juan specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,924,376 searches. Prices were last updated on September 5, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to San Juan in 2024. For more flight deals, be sure to check back very soon.
This Trip.com deal was found by Cheapflights users on 9/4. 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 10/36:30 amONT - SJU
2 stops22h 46mFrontier
Mon 10/79:21 amSJU - ONT
2 stops27h 47mFrontier
Deal found 9/4$239
This deal was found by Cheapflights users on 9/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/215:05 amONT - SJU
1 stop9h 25mUnited Airlines
Wed 9/252:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 9/5$363
This Trip.com deal was found by Cheapflights users on 9/4. 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 9/255:45 amONT - SJU
2 stops25h 12mMultiple Airlines
Sun 9/2910:47 pmSJU - ONT
2 stops38h 19mMultiple Airlines
Deal found 9/4$369
This JetBlue deal was found by Cheapflights users on 9/4. 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 10/111:35 pmONT - SJU
1 stop12h 46mJetBlue
Wed 10/91:01 pmSJU - ONT
1 stop11h 55mJetBlue
Deal found 9/4$384
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/292:41 pmONT - SJU
2 stops17h 29mAmerican Airlines
Sun 11/312:40 pmSJU - ONT
1 stop12h 15mAmerican Airlines
Deal found 9/5$418
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/16:00 amONT - SJU
1 stop11h 35mUnited Airlines
Wed 10/92:55 pmSJU - ONT
1 stop9h 51mUnited Airlines
Deal found 9/5$432
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/2910:29 pmONT - SJU
1 stop9h 22mAmerican Airlines
Sun 11/312:40 pmSJU - ONT
1 stop12h 15mAmerican Airlines
Deal found 9/5$449
This Trip.com deal was found by Cheapflights users on 9/5. 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.
Fri 9/276:30 amONT - SJU
2 stops24h 27mMultiple Airlines
Sun 9/2910:47 pmSJU - ONT
2 stops38h 19mMultiple Airlines
Deal found 9/5$451
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 10/26:00 amONT - SJU
1 stop11h 35mUnited Airlines
Wed 10/92:55 pmSJU - ONT
1 stop9h 51mUnited Airlines
Deal found 9/4$463

Ontario to San Juan 2024 flight deals

Discover exclusive flight deals for travel between Ontario and San Juan in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,924,376 searches. Data last updated September 5, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to San Juan in 2024. For more flight deals, be sure to check back very soon.
This Trip.com deal was found by Cheapflights users on 9/4. 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 10/36:30 amONT - SJU
2 stops22h 46mFrontier
Mon 10/79:21 amSJU - ONT
2 stops27h 47mFrontier
Deal found 9/4$239
This deal was found by Cheapflights users on 9/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/215:05 amONT - SJU
1 stop9h 25mUnited Airlines
Wed 9/252:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 9/5$363
This Trip.com deal was found by Cheapflights users on 9/4. 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 9/255:45 amONT - SJU
2 stops25h 12mMultiple Airlines
Sun 9/2910:47 pmSJU - ONT
2 stops38h 19mMultiple Airlines
Deal found 9/4$369
This JetBlue deal was found by Cheapflights users on 9/4. 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 10/111:35 pmONT - SJU
1 stop12h 46mJetBlue
Wed 10/91:01 pmSJU - ONT
1 stop11h 55mJetBlue
Deal found 9/4$384
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/292:41 pmONT - SJU
2 stops17h 29mAmerican Airlines
Sun 11/312:40 pmSJU - ONT
1 stop12h 15mAmerican Airlines
Deal found 9/5$418
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/16:00 amONT - SJU
1 stop11h 35mUnited Airlines
Wed 10/92:55 pmSJU - ONT
1 stop9h 51mUnited Airlines
Deal found 9/5$432
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/2910:29 pmONT - SJU
1 stop9h 22mAmerican Airlines
Sun 11/312:40 pmSJU - ONT
1 stop12h 15mAmerican Airlines
Deal found 9/5$449
This Trip.com deal was found by Cheapflights users on 9/5. 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.
Fri 9/276:30 amONT - SJU
2 stops24h 27mMultiple Airlines
Sun 9/2910:47 pmSJU - ONT
2 stops38h 19mMultiple Airlines
Deal found 9/5$451
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 10/26:00 amONT - SJU
1 stop11h 35mUnited Airlines
Wed 10/92:55 pmSJU - ONT
1 stop9h 51mUnited Airlines
Deal found 9/4$463

Ontario to San Juan flights leaving soon

Find last-minute flight options from Ontario to San Juan 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 2,924,376 searches. Data last updated September 5, 2024.
Have a look at some of the flights available from Ontario to San Juan departing last-minute. Tip: verify your flight details before completing your reservation.
This JetBlue deal was found by Cheapflights users on 9/5. 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 9/1011:35 pmONT - SJU
1 stop12h 46mJetBlue
Tue 9/171:01 pmSJU - ONT
1 stop12h 19mJetBlue
Deal found 9/5$752
This JetBlue deal was found by Cheapflights users on 9/5. 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 9/1111:35 pmONT - SJU
1 stop12h 46mJetBlue
Sun 9/1511:32 amSJU - ONT
1 stop13h 48mJetBlue
Deal found 9/5$802
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 9/116:00 amONT - SJU
2 stops14h 57mUnited Airlines
Sat 9/141:05 amSJU - ONT
2 stops14h 27mUnited Airlines
Deal found 9/5$854
This JetBlue deal was found by Cheapflights users on 9/5. 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.
Sat 9/1411:35 pmONT - SJU
1 stop12h 46mJetBlue
Mon 9/231:01 pmSJU - ONT
1 stop12h 19mJetBlue
Deal found 9/5$896
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 9/116:00 amONT - SJU
2 stops14h 57mUnited Airlines
Sun 9/152:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 9/5$987
This JetBlue deal was found by Cheapflights users on 9/5. 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 9/1111:35 pmONT - SJU
1 stop12h 46mJetBlue
Sun 9/151:01 pmSJU - ONT
1 stop12h 19mJetBlue
Deal found 9/5$1,265
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 9/116:00 amONT - SJU
2 stops29h 41mAlaska Airlines
Sun 9/153:31 pmSJU - ONT
2 stops31h 19mAlaska Airlines
Deal found 9/5$1,849
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Fri 9/138:49 pmONT - SJU
2 stops38h 52mAlaska Airlines
Mon 9/163:31 pmSJU - ONT
2 stops33h 49mAlaska Airlines
Deal found 9/5$1,927
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 9/116:00 amONT - SJU
2 stops29h 41mAlaska Airlines
Sun 9/153:31 pmSJU - ONT
2 stops27h 02mAlaska Airlines
Deal found 9/5$2,056

One-way flights to San Juan from Ontario

Search for one-way flight options from Ontario to San Juan. 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 2,924,376 searches. Data last updated September 5, 2024.
Users in need of a one-way flight from Ontario to San Juan can choose from these deals. Those seeking round-trip flights from Ontario to San Juan should utilize the search form at the the top of the page.
This Trip.com deal was found by Cheapflights users on 9/5. 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 10/25:45 amONT - SJU
2 stops25h 43mFrontier
Deal found 9/5$102
This Trip.com deal was found by Cheapflights users on 9/4. 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 stops38h 34mFrontier
Deal found 9/4$113
This Trip.com deal was found by Cheapflights users on 9/4. 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 11/145:30 pmONT - SJU
2 stops27h 50mFrontier
Deal found 9/4$120
This eDestinos deal was found by Cheapflights users on 9/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/25:45 amONT - SJU
2 stops36h 19mMultiple Airlines
Deal found 9/4$134
This Trip.com deal was found by Cheapflights users on 9/4. 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 10/36:30 amONT - SJU
2 stops13h 57mFrontier
Deal found 9/4$141
This Trip.com deal was found by Cheapflights users on 9/4. 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.
Fri 11/812:49 amONT - SJU
2 stops20h 31mFrontier
Deal found 9/4$150
This eDestinos deal was found by Cheapflights users on 9/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/210:41 amONT - SJU
3 stops44h 16mMultiple Airlines
Deal found 9/4$153
This Trip.com deal was found by Cheapflights users on 9/4. 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 11/65:30 pmONT - SJU
2 stops14h 35mFrontier
Deal found 9/4$159
This JetBlue deal was found by Cheapflights users on 9/4. 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.
Fri 10/411:35 pmONT - SJU
1 stop12h 17mJetBlue
Deal found 9/4$164

Find flights from Ontario to San Juan within your budget

Customize your flight search to find flights from Ontario to San Juan 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 2,924,376 searches. Data last updated September 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$223 - $504

Route

Depart

Return

Price

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Wed 10/2

2 stops25h 43m

San Juan Luis Munoz Marin Intl

Tue 10/8

2 stops17h 40m

$223

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Wed 10/2

2 stops38h 34m

San Juan Luis Munoz Marin Intl

Mon 10/7

2 stops23h 41m

$229

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Thu 10/3

2 stops22h 46m

San Juan Luis Munoz Marin Intl

Mon 10/7

2 stops27h 47m

$239

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Mon 10/7

1 stop12h 27m

San Juan Luis Munoz Marin Intl

Fri 10/25

1 stop12h 39m

$328

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Tue 2/4

1 stop13h 59m

San Juan Luis Munoz Marin Intl

Tue 2/11

1 stop14h 48m

$332

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Fri 9/27

1 stop12h 40m

San Juan Luis Munoz Marin Intl

Thu 10/31

1 stop12h 57m

$334

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Thu 10/3

3 stops33h 16m

San Juan Luis Munoz Marin Intl

Thu 10/10

2 stops27h 49m

$360

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Tue 10/1

1 stop11h 35m

San Juan Luis Munoz Marin Intl

Wed 10/9

2 stops13h 17m

$422

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sat 11/16

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Tue 11/26

2 stops13h 25m

$504

Flights are sorted by cheapest first

Deals found on 9/4

Best time to book a flight from Ontario to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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.

Travel insights for flights from Ontario to San Juan

Get recent, data-driven insights about flights from Ontario to San Juan including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to San Juan. Price data was last updated on August 30, 2024.

To ensure you get the cheapest price possible for a flight from Ontario to San Juan, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Find deals

What is the cheapest month to book a flight from Ontario to San Juan?

Currently, June is the cheapest month in which you can book a flight from Ontario to San Juan (average of $139). Flying from Ontario to San Juan in March is currently the most expensive (average of $286). 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 ONT to SJU?

Find hourly flight availability from Ontario to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 5, 2024.

One of the essential ways to save on airfare from Ontario to San Juan is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 30% on airfare.

What are the most popular airlines that fly from Ontario to San Juan?

Our users search for these airlines the most when looking for flights from Ontario to San Juan. Data last updated on September 5, 2024.

American Airlines, Delta and United Airlines are the most popular airlines when flying from Ontario to San Juan.

American Airlines

American Airlines

From $379

Delta

Delta

From $334

United Airlines

United Airlines

From $425

Frontier

Frontier

From $243

Rainfall in San Juan by month

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

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

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

If weather is an important factor for your trip to San Juan, 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 San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated September 5, 2024.
Read through reviews of airlines operating flights from Ontario to San Juan, such as Frontier, American Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,383 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.2
Very good
5,383 reviews
Southwest
8.2
Very good
5,383 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,356 reviews
Southwest
8.2
Very good
5,383 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
9,185 reviews
Southwest
8.2
Very good
5,383 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

JetBlue
7.6
Good
3,743 reviews
Southwest
8.2
Very good
5,383 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,648 reviews
Southwest
8.2
Very good
5,383 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Juan. 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?

    If you book a flight to San Juan from Ontario, you will be flying from 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 Ontario to San Juan per day from 5 different airlines.

  • Can I find flights from Ontario to San Juan for under $300 on Cheapflights?

    Yes, there are multiple flights from Ontario to San Juan for under $300. The cheapest flight booked recently is on Frontier for just $223, but on average you can expect to pay $342.

  • Are there last-minute flights available from Ontario to San Juan for under $800?

    There are currently 9+ open flights from Ontario to San Juan within the next 7 days for less than $800.

  • What are the cheapest airlines flying from Ontario to San Juan round-trip?

    Frontier, at $223, was found to be the cheapest airline from Ontario to San Juan.Alternate airlines to your destination round-trip include JetBlue and American Airlines. Frontier is currently priced 62% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ontario to San Juan one-way?

    $102 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and United Airlines, with prices starting from $164 and $166, respectively.

  • What does ONT to SJU mean?

    Ontario Airport is ONT and San Juan Luis Munoz Marin Intl Airport is SJU. 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. Ready for more IATA code knowledge? These are related airports for your current travel destination: Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Vieques Airport (VQS), Culebra Airport (CPX), Ceiba J. Aponte de la Torre Airport (NRR).

  • Can I find deals for flights from Ontario to San Juan that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to San Juan 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 San Juan with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to San Juan 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 San Juan that include hotel bookings?

    Yes. In addition to deals on Ontario to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to San Juan?

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

  • Can I find deals for business class flights from Ontario to San Juan?

    Yes. Cheapflights offers flight deals from Ontario to San Juan 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 San Juan that allow pets onboard?

    Many airlines flying from Ontario to San Juan 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 San Juan?

    Yes, you can often find last-minute deals on Ontario to San Juan 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 flight deals updated?

    The Ontario to San Juan flight deals you see on this page were last updated on 9/5.

  • What is the cheapest month to book a flight from Ontario to San Juan?

    Currently, June is the cheapest month in which you can book a flight from Ontario to San Juan (average of $139). Flying from Ontario to San Juan in March is currently the most expensive (average of $286). 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 Ontario to San Juan
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from Ontario to San Juan

Discover the top 5 airlines that operate flights from Ontario to San Juan. 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 2,924,376 searches. Data last updated September 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$243Average$328FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$250Average$625FlexibilityNo cancel feeOn-time62%
DeltaCheapest$334Average$585FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$379Average$656FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$425Average$672FlexibilityNo cancel feeOn-time69%