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Ontario

$195+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ONT
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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Cheap flight deals from Puerto Rico to Ontario

Keep the following information in mind while searching for Puerto Rico to Ontario flight deals. Data was last updated marzo 28, 2025.

Round-trip from

$436
(JetBlue)

One-way from

$195
(JetBlue)

Popular in

June

Cheapest in

February

Average price

$473
From Puerto Rico to Ontario
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One-way flight from Puerto Rico to Ontario
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Highest demand for flights based on searches. 16% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 marzo 28, 2025.

This JetBlue deal was found by Cheapflights users on 3/26. 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.
jue. 5/111:55 amSJU - ONT
1 stop12h 30mJetBlue
sáb. 5/310:40 pmONT - SJU
1 stop10h 50mJetBlue
Deal found 3/26$436
This United Airlines deal was found by Cheapflights users on 3/26. 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.
mié. 4/232:55 pmSJU - ONT
1 stop10h 03mUnited Airlines
mié. 4/306:10 amONT - SJU
1 stop11h 28mUnited Airlines
Deal found 3/26$445
This American Airlines deal was found by Cheapflights users on 3/26. 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.
sáb. 5/177:15 amSJU - ONT
1 stop16h 50mAmerican Airlines
mar. 6/37:25 pmONT - SJU
2 stops12h 45mAmerican Airlines
Deal found 3/26$464
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/202:40 pmSJU - ONT
2 stops11h 50mSouthwest
jue. 6/268:05 pmONT - SJU
2 stops11h 20mSouthwest
Deal found 3/25$650
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
mié. 4/236:05 amSJU - ONT
2 stops17h 24mAlaska Airlines
mié. 4/306:00 amONT - SJU
2 stops20h 00mAlaska Airlines
Deal found 3/26$1,010
This Delta deal was found by Cheapflights users on 3/27. 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.
mié. 12/313:13 amSJU - ONT
2 stops17h 05mDelta
jue. 1/87:00 amONT - SJU
1 stop9h 30mDelta
Deal found 3/27$1,789

Cheapflights Fare Finder

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 marzo 28, 2025.
Use the filters below to find and compare flights from Puerto Rico to Ontario that are best for you.

Fly from

Puerto Rico

Fly to

Ontario

Route

Depart

Return

Price

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

jue. 5/1

11:55 am-9:25 pm

1 stop12h 30m

Ontario

sáb. 5/3

10:40 pm-12:30 pm

1 stop10h 50m

$436

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

mié. 4/23

7:00 am-8:21 pm

2 stops16h 21m

Ontario

mié. 4/30

6:10 am-8:38 pm

1 stop11h 28m

$445

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

sáb. 5/17

6:30 am-6:23 pm

2 stops14h 53m

Ontario

mar. 6/3

7:25 pm-11:10 am

2 stops12h 45m

$464

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

vie. 6/20

2:40 pm-11:30 pm

2 stops11h 50m

Ontario

jue. 6/26

8:05 pm-10:25 am

2 stops11h 20m

$650

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

mié. 4/23

6:05 am-8:29 pm

2 stops17h 24m

Ontario

mié. 4/30

6:00 am-5:00 am

2 stops20h 00m

$1,010

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

jue. 6/12

1:20 pm-10:30 pm

1 stop12h 10m

$195

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

mié. 6/11

2:40 pm-10:26 pm

1 stop10h 46m

$213

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

vie. 6/6

8:30 am-12:00 pm

2 stops30h 30m

$219

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

mar. 4/29

2:55 pm-9:58 pm

1 stop10h 03m

$223

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

dom. 4/6

12:59 am-11:59 pm

2 stops26h 00m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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.

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Puerto Rico to Ontario (average of $246). Flying from Puerto Rico to Ontario in March is currently the most expensive (average of $326). 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 marzo 28, 2025.

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 marzo 28, 2025.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,923 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 JetBlue ($195), Delta ($213), and American Airlines ($219).

  • 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, August is the cheapest month in which you can book a flight from Puerto Rico to Ontario (average of $246). Flying from Puerto Rico to Ontario in March is currently the most expensive (average of $326). 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$664FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$347Average$480FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$390Average$654FlexibilityNo cancel feeOn-time69%
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