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Puerto Rico

$101+ Cheap flights from Ontario (ONT) to Puerto Rico

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Ontario to Puerto Rico

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Puerto Rico (PR0). 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 December 18, 2024.

Round-trip from

$337
(Trip.com)

One-way from

$101
(Trip.com)
From Ontario to Puerto Rico
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One-way flight from Ontario to Puerto Rico
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Find flight deals from Ontario to Puerto Rico

Cheapest flights from Ontario to Puerto Rico
Explore the most affordable flight options available from Ontario to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/314:48 pmONT - SJU
1 stop9h 42mFrontier
Fri 1/38:00 amSJU - ONT
1 stop10h 21mFrontier
Deal found 12/16$473
This American Airlines deal was found by Cheapflights users on 12/18. 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.
Mon 12/236:05 amONT - SJU
1 stop19h 05mAmerican Airlines
Thu 12/266:25 amSJU - ONT
1 stop16h 08mAmerican Airlines
Deal found 12/18$644
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/176:00 amONT - SJU
2 stops14h 59mDelta
Sat 12/213:33 pmSJU - ONT
2 stops12h 55mDelta
Deal found 12/17$724
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/195:05 amONT - SJU
1 stop9h 20mUnited Airlines
Mon 12/232:25 pmSJU - ONT
1 stop10h 24mUnited Airlines
Deal found 12/17$814
This eDestinos deal was found by Cheapflights users on 12/17. 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.
Tue 12/2412:22 pmONT - SJU
2 stops33h 13mMultiple Airlines
Wed 1/111:30 amSJU - ONT
2 stops47h 39mMultiple Airlines
Deal found 12/17$894
This Trip.com deal was found by Cheapflights users on 12/17. 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 12/2012:59 amONT - BQN
2 stops21h 59mFrontier
Fri 12/273:43 amBQN - ONT
2 stops18h 10mFrontier
Deal found 12/17$1,284
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/216:50 pmONT - BQN
2 stops25h 07mUnited Airlines
Fri 12/271:09 amBQN - ONT
2 stops20h 44mUnited Airlines
Deal found 12/17$1,334
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/198:32 pmONT - SJU
2 stops14h 38mAlaska Airlines
Mon 12/236:25 amSJU - ONT
2 stops21h 34mAlaska Airlines
Deal found 12/17$2,237

Find flights from Ontario to Puerto Rico within your budget

Customize your flight search to find flights from Ontario to Puerto Rico 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Thu 1/30

7:56 am-6:05 pm

2 stops30h 09m

San Juan Luis Munoz Marin Intl

Sun 2/2

9:26 pm-5:57 pm

2 stops24h 31m

$337

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sun 2/16

7:30 pm-11:49 am

2 stops12h 19m

San Juan Luis Munoz Marin Intl

Thu 2/20

8:15 am-9:02 pm

1 stop16h 47m

$369

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Wed 4/16

6:02 am-8:38 pm

1 stop11h 36m

San Juan Luis Munoz Marin Intl

Wed 4/23

7:00 am-8:21 pm

2 stops16h 21m

$454

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Mon 4/7

6:30 am-10:30 pm

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Fri 4/11

5:35 am-4:10 pm

2 stops13h 35m

$509

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 1/7

5:10 pm-4:55 pm

2 stops19h 45m

San Juan Luis Munoz Marin Intl

Tue 1/14

4:15 pm-10:52 pm

1 stop10h 37m

$539

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Mon 3/10

7:14 pm-1:56 pm

2 stops15h 42m

San Juan Luis Munoz Marin Intl

Mon 3/17

6:05 am-11:58 pm

2 stops20h 53m

$829

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Thu 2/6

10:30 pm-9:21 am

3 stops30h 51m

San Juan Luis Munoz Marin Intl

Mon 2/10

10:09 pm-9:00 pm

2 stops26h 51m

$905

OntarioAguadilla

ONT - BQN

ONTBQN

Ontario

Sun 12/29

6:10 am-11:57 pm

2 stops13h 47m

Aguadilla Borinquen

Mon 1/6

1:09 am-12:41 pm

2 stops15h 32m

$4,414

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Mon 1/13

1:47 pm-4:10 pm

2 stops22h 23m

$101

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Mon 1/13

4:05 pm-1:01 pm

2 stops16h 56m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 16 results
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Best time to book a flight from Ontario to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

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

What is the cheapest month to book a flight from Ontario to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Ontario to Puerto Rico (average of $254). Flying from Ontario to Puerto Rico in March is currently the most expensive (average of $334). 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 PR?

Find hourly flight availability from Ontario to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Puerto Rico as you normally would.

Rainfall in Puerto Rico by month

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

In terms of precipitation, rainfall in Puerto Rico 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 Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

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

If weather is an important factor for your trip to Puerto Rico, 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 Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated December 18, 2024.
Read reviews from past customers who have flown American Airlines, United Airlines and Delta from Ontario to Puerto Rico. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

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

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

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
9,552 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

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
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

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
9,059 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

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 Puerto Rico. 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 Puerto Rico?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Puerto Rico. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • What are the cheapest airlines to fly from Ontario to Puerto Rico one-way?

    One-way options have recently been found by users for as low as $101 on Frontier. Other airlines that offer cheap prices include Delta from $172 and American Airlines from $178 one-way.

  • Can I find deals for flights from Ontario to Puerto Rico that include hotel bookings?

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

  • How can I find direct flights from Ontario to Puerto Rico?

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

  • Can I find deals for business class flights from Ontario to Puerto Rico?

    Yes. Cheapflights offers flight deals from Ontario to Puerto Rico 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 Ontario to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Puerto Rico (average of $254). Flying from Ontario to Puerto Rico in March is currently the most expensive (average of $334). 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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Alternative routes for Ontario to Puerto Rico

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 Puerto Rico

Discover the top 5 airlines that operate flights from Ontario to Puerto Rico. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$260Average$328FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$273Average$502FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$322Average$669FlexibilityNo cancel feeOn-time69%
DeltaCheapest$334Average$466FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$363Average$642FlexibilityNo cancel feeOn-time71%
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