Cheap flights from Ontario to Puerto Rico from C$ 196

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Puerto Rico

Enter your travel dates to find the best prices.

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 24 March 2026.

Sat 25/49:45 a.m.
YUL
-
SJU
1 stop10h 49m
United Airlines
Thu 30/44:55 p.m.
SJU
-
YUL
1 stop7h 18m
United Airlines
Deal found 19/3C$ 392
Mon 20/46:00 a.m.
YUL
-
SJU
1 stop7h 45m
United Airlines
Thu 30/44:55 p.m.
SJU
-
YUL
1 stop7h 18m
United Airlines
Deal found 23/3C$ 413
Wed 22/42:20 p.m.
YUL
-
SJU
1 stop7h 04m
United Airlines
Wed 29/41:25 p.m.
SJU
-
YUL
1 stop8h 41m
United Airlines
Deal found 20/3C$ 425
Sun 19/46:00 a.m.
YUL
-
SJU
1 stop7h 45m
United Airlines
Thu 30/44:55 p.m.
SJU
-
YUL
1 stop7h 18m
United Airlines
Deal found 22/3C$ 436
Tue 28/43:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Thu 30/44:55 p.m.
SJU
-
YUL
1 stop7h 18m
United Airlines
Deal found 22/3C$ 438
Sat 9/53:00 p.m.
YYZ
-
SJU
1 stop8h 50m
United Airlines
Tue 12/51:00 a.m.
SJU
-
YYZ
1 stop8h 19m
United Airlines
Deal found 21/3C$ 449
Tue 28/42:20 p.m.
YUL
-
SJU
1 stop7h 04m
United Airlines
Tue 5/57:20 a.m.
SJU
-
YUL
1 stop7h 20m
United Airlines
Deal found 19/3C$ 450
Sun 19/49:00 a.m.
YYZ
-
SJU
Nonstop4h 25m
Air Canada
Wed 22/41:00 a.m.
SJU
-
YYZ
1 stop8h 19m
Air Canada
Deal found 22/3C$ 451
Sun 12/49:00 a.m.
YUL
-
SJU
Nonstop4h 27m
Air Canada
Thu 30/47:20 a.m.
SJU
-
YUL
1 stop16h 53m
Air Canada
Deal found 22/3C$ 453
Sat 11/411:00 a.m.
YYZ
-
SJU
1 stop9h 34m
United Airlines
Thu 16/41:00 a.m.
SJU
-
YYZ
1 stop8h 19m
United Airlines
Deal found 22/3C$ 456
Sun 19/49:00 a.m.
YYZ
-
SJU
Nonstop4h 25m
Air Canada
Wed 22/47:40 a.m.
SJU
-
YYZ
1 stop13h 04m
Air Canada
Deal found 23/3C$ 458
Sun 12/46:00 a.m.
YUL
-
SJU
1 stop7h 25m
Air Canada
Thu 16/41:00 a.m.
SJU
-
YUL
1 stop12h 09m
Air Canada
Deal found 22/3C$ 464

Find flight deals from Ontario to Puerto Rico

Keep the following information in mind while searching for Ontario to Puerto Rico flight deals. Data was last updated 24 March 2026.

Round-trip from

C$ 392

One-way from

C$ 196

Popular in

August

Cheapest in

September

Average price

C$ 720

Good round-trip deal

C$ 850 or less

Good one-way deal

C$ 433 or less
United Airlines
  • United Airlines
  • 25/4-30/4
  • 2 total stops
  • 18h 07m total
  • Ontario to Puerto Rico
Air Canada
  • Air Canada
  • 19/4
  • Nonstop
  • 4h 25m total
  • Ontario to Puerto Rico
Highest demand for flights based on searches. 2% potential increase in price (C$ 19 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Ontario to Puerto Rico.
Price to beat on a one-way flight from Ontario to Puerto Rico.

Cheapflights Fare Finder

 
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 629,999 searches. Data last updated 24 March 2026.
Use the filters below to find and compare flights from Ontario to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 a.m.-1:45 p.m.

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Thu 30/4

4:55 p.m.-12:13 a.m.

1 stop7h 18m

C$ 413

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

3:25 p.m.-11:50 p.m.

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Thu 30/4

4:55 p.m.-12:13 a.m.

1 stop7h 18m

C$ 413

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

6:00 a.m.-1:45 p.m.

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Thu 30/4

4:55 p.m.-12:13 a.m.

1 stop7h 18m

C$ 436

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

3:25 p.m.-11:50 p.m.

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Wed 6/5

7:20 a.m.-2:40 p.m.

1 stop7h 20m

C$ 438

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

3:25 p.m.-11:50 p.m.

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Thu 30/4

4:55 p.m.-12:13 a.m.

1 stop7h 18m

C$ 438

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 25/4

9:45 a.m.-8:34 p.m.

1 stop10h 49m

San Juan Luis Munoz Marin Intl

Thu 30/4

4:55 p.m.-12:13 a.m.

1 stop7h 18m

C$ 445

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

6:00 a.m.-1:45 p.m.

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Thu 16/4

7:40 a.m.-5:30 p.m.

1 stop9h 50m

C$ 464

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

3:25 p.m.-11:50 p.m.

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Thu 16/4

7:40 a.m.-5:30 p.m.

1 stop9h 50m

C$ 469

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 25/4

3:00 p.m.-11:50 p.m.

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Wed 29/4

1:00 a.m.-9:19 a.m.

1 stop8h 19m

C$ 475

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 7/4

2:30 p.m.-9:24 p.m.

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Thu 16/4

1:00 a.m.-9:19 a.m.

1 stop8h 19m

C$ 480

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

Cheapflights Insights

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

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

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Puerto Rico (average of C$ 327). Flying from Region of Ontario to Puerto Rico in July is currently the most expensive (average of C$ 568). 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 ON 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 24 March 2026.

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

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.
  • How long is the flight from Region of Ontario to Puerto Rico?

    A quick flight from Region of Ontario to Puerto Rico can take about 7h 45m. United Airlines provides one of the quickest options available for as low as C$ 413. Region of Ontario and Puerto Rico are separated by a distance of 3087 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Region of Ontario to Puerto Rico are Arajet (C$ 166), WestJet (C$ 197), and Air Canada (C$ 208).

  • 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 Region of Ontario to Puerto Rico?

    Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Puerto Rico (average of C$ 327). Flying from Region of Ontario to Puerto Rico in July is currently the most expensive (average of C$ 568). 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.

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 629,999 searches. Data last updated 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 260AverageC$ 545FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 314AverageC$ 931FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 337AverageC$ 656FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 360AverageC$ 1,035FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 512AverageC$ 841FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Puerto Rico?

Cheapflights helps you search for flights from Ontario to Puerto Rico via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Puerto Rico?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Puerto Rico for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Puerto Rico with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Puerto Rico flexibly with Cheapflights today.

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