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$130+ Cheap flights from Puerto Rico 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ONT
Nov 25 — Dez 21
Mo 11/25
Mo 12/2
1 adult, Economy
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Cheap flight deals from Puerto Rico to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Puerto Rico (PR0) 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 November 20, 2024.

Find flight deals from Puerto Rico to Ontario

Cheapest flights from Puerto Rico to Ontario
Explore the most affordable flight options available from Puerto Rico to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Priceline deal was found by Cheapflights users on 11/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 12/308:00 amSJU - ONT
1 stop10h 21mFrontier
Mo 1/63:21 pmONT - SJU
1 stop11h 09mFrontier
Deal found 11/19$328
This eDestinos deal was found by Cheapflights users on 11/19. 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.
Mi 11/274:25 pmSJU - ONT
2 stops18h 43mMultiple Airlines
Mi 12/47:45 amONT - SJU
2 stops24h 38mMultiple Airlines
Deal found 11/19$339
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Fr 12/66:30 amSJU - ONT
2 stops15h 57mAmerican Airlines
Mo 12/96:10 amONT - SJU
2 stops11h 44mAmerican Airlines
Deal found 11/20$544
This Delta deal was found by Cheapflights users on 11/19. 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.
Do 11/281:50 pmSJU - ONT
1 stop9h 52mDelta
So 12/810:00 pmONT - SJU
1 stop12h 15mDelta
Deal found 11/19$579
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Mi 11/273:46 pmSJU - ONT
1 stop10h 16mUnited Airlines
Di 12/106:10 amONT - SJU
1 stop11h 16mUnited Airlines
Deal found 11/20$669
This Southwest deal was found by Cheapflights users on 11/20. 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.
Di 12/315:35 amSJU - ONT
2 stops15h 55mSouthwest
Mo 1/68:35 amONT - SJU
2 stops12h 10mSouthwest
Deal found 11/20$714
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
Fr 12/66:25 amSJU - ONT
2 stops19h 50mAlaska Airlines
Di 12/106:00 amONT - SJU
2 stops29h 15mAlaska Airlines
Deal found 11/20$994

Find flights from Puerto Rico to Ontario within your budget

Customize your flight search to find flights from Puerto Rico 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mo 12/30

8:00 am-2:21 pm

1 stop10h 21m

Ontario

Mo 1/6

3:21 pm-6:30 am

1 stop11h 09m

$328

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fr 1/31

3:46 pm-9:57 pm

1 stop10h 11m

Ontario

Sa 2/8

1:45 pm-6:12 am

2 stops12h 27m

$444

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fr 12/6

6:30 am-6:27 pm

2 stops15h 57m

Ontario

Mo 12/9

6:10 am-9:54 pm

2 stops11h 44m

$544

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Di 12/31

5:35 am-5:30 pm

2 stops15h 55m

Ontario

Mo 1/6

8:35 am-12:45 am

2 stops12h 10m

$714

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mo 12/30

8:00 am-2:21 pm

1 stop10h 21m

Ontario

So 1/5

1:28 pm-2:58 pm

2 stops21h 30m

$898

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fr 12/6

6:25 am-10:15 pm

2 stops19h 50m

Ontario

Di 12/10

6:00 am-3:15 pm

2 stops29h 15m

$994

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sa 12/14

6:20 am-11:44 pm

2 stops21h 24m

$130

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mo 12/9

12:57 pm-11:44 pm

2 stops38h 47m

$197

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mo 1/13

2:05 am-12:41 pm

2 stops14h 36m

$222

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mi 11/27

5:50 am-6:29 pm

2 stops16h 39m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 13 results
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Best time to book a flight from Puerto Rico to Ontario

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

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

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

Currently, September is the cheapest month in which you can book a flight from Puerto Rico to Ontario (average of $236). Flying from Puerto Rico to Ontario in December is currently the most expensive (average of $298). 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 PR to ONT?

Find hourly flight availability from Puerto Rico 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 November 20, 2024.

When flying from Puerto Rico to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 November 20, 2024.
Get a feel of what it's like to fly with United Airlines, American Airlines and Alaska Airlines from Puerto Rico to Ontario by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico 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 Puerto Rico?

    For a flight from Puerto Rico to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

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

    The cheapest airlines for a one-way flight from Puerto Rico to Ontario are Frontier ($130), United Airlines ($222), and American Airlines ($307).

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Puerto Rico to Ontario (average of $236). Flying from Puerto Rico to Ontario in December is currently the most expensive (average of $298). 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 Puerto Rico to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Puerto Rico to Ontario

Discover the top 3 airlines that operate flights from Puerto Rico 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$334Average$589FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$344Average$676FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$654FlexibilityNo cancel feeOn-time69%
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