$192+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ONT
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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Find cheap flights from Puerto Rico to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Puerto Rico to Ontario
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Cheapest flights from Puerto Rico to OntarioExplore 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 July 3, 2026.
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 July 3, 2026.
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 9/166:27 am
SJU
- ONT
2 stops16h 40m
American Airlines
Sat 9/1910:25 am
ONT
- SJU
2 stops19h 59m
American Airlines
Deal found 7/1![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 7/3. 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 9/242:55 pm
SJU
- ONT
1 stop10h 04m
United Airlines
Fri 9/255:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
Deal found 7/3![United Airlines logo]()
$474
This Southwest deal was found by Cheapflights users on 6/28. 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.
Mon 8/1710:00 am
SJU
- ONT
2 stops13h 20m
Southwest
Thu 8/278:40 pm
ONT
- SJU
2 stops11h 15m
Southwest
Deal found 6/28![Southwest logo]()
$480
This United Airlines deal was found by Cheapflights users on 6/30. 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 9/237:00 am
SJU
- ONT
2 stops14h 16m
United Airlines
Tue 9/295:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
Deal found 6/30![United Airlines logo]()
$484
This JetBlue deal was found by Cheapflights users on 6/30. 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 9/2310:30 am
SJU
- ONT
1 stop12h 43m
JetBlue
Tue 9/299:10 pm
ONT
- SJU
1 stop13h 24m
JetBlue
Deal found 6/30![JetBlue logo]()
$491
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 7/187:25 am
SJU
- ONT
1 stop18h 09m
American Airlines
Sun 8/27:15 pm
ONT
- SJU
2 stops12h 49m
American Airlines
Deal found 7/1![American Airlines logo]()
$505
This Faresmojo deal was found by Cheapflights users on 6/28. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:00 am
SJU
- ONT
1 stop17h 15m
JetBlue
Sun 8/29:40 pm
ONT
- SJU
1 stop11h 45m
JetBlue
Deal found 6/28![JetBlue logo]()
$534
This JetBlue deal was found by Cheapflights users on 7/3. 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.
Thu 9/2410:30 am
SJU
- ONT
1 stop12h 43m
JetBlue
Tue 9/299:10 pm
ONT
- SJU
1 stop13h 24m
JetBlue
Deal found 7/3![JetBlue logo]()
$539
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:30 am
SJU
- ONT
1 stop12h 43m
JetBlue
Sat 9/199:10 pm
ONT
- SJU
1 stop13h 24m
JetBlue
Deal found 7/1![JetBlue logo]()
$542
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 7/187:25 am
SJU
- ONT
1 stop18h 09m
American Airlines
Mon 8/311:59 pm
ONT
- SJU
2 stops11h 13m
American Airlines
Deal found 7/1![American Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 7/1. 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 7/146:00 am
SJU
- ONT
2 stops15h 18m
American Airlines
Wed 7/157:15 pm
ONT
- SJU
2 stops12h 49m
American Airlines
Deal found 7/1![American Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 6/28. 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 10/282:46 pm
SJU
- ONT
1 stop10h 04m
United Airlines
Wed 11/45:00 am
ONT
- SJU
1 stop9h 25m
United Airlines
Deal found 6/28![United Airlines logo]()
$555
Best flights from Puerto Rico to OntarioDiscover carefully curated flight deals from Puerto Rico to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
Discover carefully curated flight deals from Puerto Rico to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
This United Airlines deal was found by Cheapflights users on 7/2. 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 10/212:00 pm
SJU
- ONT
1 stop9h 58m
United Airlines
Sun 11/16:46 am
ONT
- SJU
1 stop10h 14m
United Airlines
Deal found 7/2![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/302:00 pm
SJU
- ONT
1 stop9h 58m
United Airlines
Sun 10/46:00 am
ONT
- SJU
1 stop11h 38m
United Airlines
Deal found 7/1![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 6/30. 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 9/242:55 pm
SJU
- ONT
1 stop10h 04m
United Airlines
Sun 9/275:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
Deal found 6/30![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 6/30. 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 9/242:55 pm
SJU
- ONT
1 stop10h 04m
United Airlines
Tue 9/295:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
Deal found 6/30![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 6/28. 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 10/282:46 pm
SJU
- ONT
1 stop10h 04m
United Airlines
Wed 11/45:00 am
ONT
- SJU
1 stop9h 25m
United Airlines
Deal found 6/28![United Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 7/1. 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 10/291:21 pm
SJU
- ONT
1 stop10h 35m
United Airlines
Fri 11/66:46 am
ONT
- SJU
1 stop10h 14m
United Airlines
Deal found 7/1![United Airlines logo]()
$622
Last-minute flights from Puerto Rico to OntarioDiscover last-minute flight deals from Puerto Rico to Ontario. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Ontario. Data last updated July 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/1. 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 7/146:00 am
SJU
- ONT
2 stops15h 18m
American Airlines
Wed 7/152:15 pm
ONT
- SJU
1 stop11h 24m
American Airlines
Deal found 7/1![American Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 7/187:25 am
SJU
- ONT
1 stop18h 09m
American Airlines
Sun 8/27:15 pm
ONT
- SJU
2 stops12h 49m
American Airlines
Deal found 7/1![American Airlines logo]()
$505
This Faresmojo deal was found by Cheapflights users on 6/30. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/182:25 pm
SJU
- ONT
1 stop11h 10m
JetBlue
Mon 8/39:40 am
ONT
- SJU
1 stop11h 55m
JetBlue
Deal found 6/30![JetBlue logo]()
$534
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 7/187:25 am
SJU
- ONT
1 stop18h 09m
American Airlines
Mon 8/311:59 pm
ONT
- SJU
2 stops11h 13m
American Airlines
Deal found 7/1![American Airlines logo]()
$544
This Southwest deal was found by Cheapflights users on 6/28. 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.
Mon 8/1710:00 am
SJU
- ONT
2 stops13h 20m
Southwest
Thu 8/278:40 pm
ONT
- SJU
2 stops11h 15m
Southwest
Deal found 6/28![Southwest logo]()
$480
This Faresmojo deal was found by Cheapflights users on 6/28. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:56 pm
SJU
- ONT
1 stop11h 56m
JetBlue
Thu 8/2710:00 pm
ONT
- SJU
1 stop10h 46m
JetBlue
Deal found 6/28![JetBlue logo]()
$584
One-way flights from Puerto Rico to OntarioSearch for one-way flight options from Puerto Rico to Ontario. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
Search for one-way flight options from Puerto Rico to Ontario. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/272:20 pm
SJU
- ONT
1 stop10h 39m
United Airlines
Deal found 7/2![United Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:35 am
SJU
- ONT
2 stops15h 26m
Frontier
Deal found 6/30![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
SJU
- ONT
2 stops28h 32m
Frontier
Deal found 7/1![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:00 am
SJU
- ONT
2 stops28h 32m
Frontier
Deal found 7/1![Frontier logo]()
$228
This SmartFares deal was found by Cheapflights users on 6/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:30 am
SJU
- ONT
1 stop12h 43m
JetBlue
Deal found 6/30![JetBlue logo]()
$231
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/237:00 am
SJU
- ONT
2 stops16h 01m
United Airlines
Deal found 7/2![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 10/22:00 pm
SJU
- ONT
1 stop9h 58m
United Airlines
Deal found 6/30![United Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:10 am
SJU
- ONT
2 stops51h 22m
Frontier
Deal found 7/1![Frontier logo]()
$243
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 12/58:18 am
SJU
- ONT
1 stop16h 49m
American Airlines
Deal found 6/28![American Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 7/247:25 am
SJU
- ONT
1 stop18h 09m
American Airlines
Deal found 7/2![American Airlines logo]()
$250
Find 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 July 3, 2026.
Round-trip from | $384 (American Airlines) |
|---|---|
One-way from | $192 (United Airlines) |
Popular in | July |
Cheapest in | September |
Average price | $509 |
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 July 3, 2026.
Use the filters below to find and compare flights from Puerto Rico to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Wed 10/21
2:00 pm-8:58 pm
1 stop9h 58m
Ontario
Sun 11/1
6:46 am-9:00 pm
1 stop10h 14m
$474
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Wed 9/30
2:00 pm-8:58 pm
1 stop9h 58m
Ontario
Sun 10/4
6:00 am-8:38 pm
1 stop11h 38m
$474
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Thu 9/24
2:55 pm-9:59 pm
1 stop10h 04m
Ontario
Sun 9/27
5:00 am-5:38 pm
1 stop9h 38m
$484
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Thu 9/24
2:55 pm-9:59 pm
1 stop10h 04m
Ontario
Tue 9/29
5:00 am-5:38 pm
1 stop9h 38m
$484
Quickest round-trip
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Wed 10/28
2:46 pm-9:50 pm
1 stop10h 04m
Ontario
Wed 11/4
5:00 am-6:25 pm
1 stop9h 25m
$555
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Thu 10/29
1:21 pm-8:56 pm
1 stop10h 35m
Ontario
Fri 11/6
6:46 am-9:00 pm
1 stop10h 14m
$622
Cheapest one-way
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Thu 9/24
2:55 pm-9:59 pm
1 stop10h 04m
$237
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Wed 9/23
7:00 am-8:01 pm
2 stops16h 01m
$237
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Sun 8/30
2:20 pm-9:59 pm
1 stop10h 39m
$237
Quickest one-way
San JuanOntario
SJU - ONT
SJUONT
San Juan Luis Munoz Marin Intl
Thu 10/8
2:00 pm-8:58 pm
1 stop9h 58m
$242
Showing 1-10 of 18 resultsSorted by cheapest first
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.
SJU-ONT
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
PR0-ONT
SJU-ONT
What is the cheapest month to book a flight from Puerto Rico to Ontario?
Currently, May is the cheapest month in which you can book a flight from Puerto Rico to Ontario (average of $267). Flying from Puerto Rico to Ontario in March is currently the most expensive (average of $556). 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.
How far ahead should I book a flight from Puerto Rico to Ontario?
The best time to book flights from Puerto Rico to Ontario is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 July 3, 2026.
Read through reviews of airlines operating flights from Puerto Rico to Ontario, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
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Other flight options
Popular flights
Alternative routes for Puerto Rico to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Puerto Rico to Ontario by cabin class
Find flights from Puerto Rico to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 3, 2026.
Puerto Rico and Ontario flights
Browse other Puerto Rico and Ontario flight options. Last updated on July 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$367 | Average$593 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$389 | Average$570 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$440 | Average$665 | FlexibilityNo cancel fee | On-time71% |