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$217+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ONT
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
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 December 19, 2024.

Round-trip from

$409
(Delta)

One-way from

$217
(United Airlines)
From Puerto Rico to Ontario
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One-way flight from Puerto Rico to Ontario
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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 December 19, 2024.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:00 amSJU - ONT
1 stop11h 48mFrontier
Mon 1/63:21 pmONT - SJU
1 stop11h 09mFrontier
Deal found 12/18$468
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.
Mon 12/239:10 pmSJU - ONT
2 stops30h 49mMultiple Airlines
Sat 12/281:47 pmONT - SJU
2 stops18h 20mMultiple Airlines
Deal found 12/17$638
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:30 amSJU - ONT
2 stops13h 48mDelta
Sat 12/2810:29 pmONT - SJU
1 stop9h 06mDelta
Deal found 12/18$654
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 12/239:00 amSJU - ONT
2 stops13h 25mAmerican Airlines
Sat 12/287:30 pmONT - SJU
2 stops12h 31mAmerican Airlines
Deal found 12/18$760
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/222:05 amSJU - ONT
2 stops24h 55mUnited Airlines
Sat 12/286:50 pmONT - SJU
2 stops17h 46mUnited Airlines
Deal found 12/18$1,014
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:25 amSJU - ONT
3 stops31h 20mAlaska Airlines
Sat 12/281:28 pmONT - SJU
3 stops28h 07mAlaska Airlines
Deal found 12/18$3,516

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 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 1/16

2:00 pm-10:52 pm

1 stop12h 52m

Ontario

Sun 1/19

7:05 am-11:46 pm

1 stop12h 41m

$409

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 1/16

3:46 pm-9:57 pm

1 stop10h 11m

Ontario

Sun 1/19

10:47 am-6:12 am

2 stops15h 25m

$434

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 12/31

8:00 am-3:48 pm

1 stop11h 48m

Ontario

Mon 1/6

3:21 pm-6:30 am

1 stop11h 09m

$468

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 12/31

12:51 pm-8:37 pm

1 stop11h 46m

Ontario

Mon 1/6

11:59 pm-5:30 pm

2 stops13h 31m

$774

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 5/1

3:25 pm-3:12 pm

2 stops26h 47m

Ontario

Wed 5/7

6:55 pm-2:08 pm

2 stops16h 13m

$1,432

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 1/30

3:46 pm-9:57 pm

1 stop10h 11m

$217

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 12/25

8:00 am-2:21 pm

1 stop10h 21m

$292

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 12/24

2:10 pm-10:37 pm

2 stops12h 27m

$307

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mon 6/16

12:30 pm-9:24 pm

1 stop11h 54m

$439

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 3/11

1:45 am-11:07 pm

3 stops24h 22m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 12 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 December 19, 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 December 19, 2024.
Get a feel of what it's like to fly with Delta, United 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.
Alaska Airlines
8.0
Very good
9,552 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,552 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,600 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

JetBlue
7.4
Good
3,274 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,048 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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 United Airlines ($217), Frontier ($292), and Delta ($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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$334Average$664FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$344Average$676FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$664FlexibilityNo cancel feeOn-time69%
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