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Cheap flights from Ontario to Puerto Rico from C$ 170

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
13 May — 20 May1
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 13 April 2026.

Sat 11/49:45 a.m.
YUL
-
SJU
1 stop10h 49m
United Airlines
Fri 17/47:40 a.m.
SJU
-
YUL
1 stop9h 50m
United Airlines
Deal found 8/4C$ 417
Mon 13/43:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Sat 18/47:40 a.m.
SJU
-
YUL
1 stop9h 50m
United Airlines
Deal found 10/4C$ 418
Fri 10/47:14 a.m.
YUL
-
SJU
1 stop7h 38m
American Airlines
Sat 18/46:00 a.m.
SJU
-
YUL
1 stop15h 37m
American Airlines
Deal found 8/4C$ 421
Mon 13/47:29 a.m.
YUL
-
SJU
1 stop8h 06m
American Airlines
Sat 18/46:00 a.m.
SJU
-
YUL
1 stop15h 37m
American Airlines
Deal found 12/4C$ 425
Fri 10/44:16 p.m.
YUL
-
SJU
2 stops16h 55m
American Airlines
Sun 19/46:00 a.m.
SJU
-
YUL
1 stop9h 27m
American Airlines
Deal found 8/4C$ 429
Fri 10/42:20 p.m.
YUL
-
SJU
1 stop7h 04m
United Airlines
Sat 18/47:20 a.m.
SJU
-
YUL
1 stop7h 20m
United Airlines
Deal found 10/4C$ 431
Sat 11/44:16 p.m.
YUL
-
SJU
2 stops16h 57m
American Airlines
Sat 18/46:00 a.m.
SJU
-
YUL
1 stop9h 27m
American Airlines
Deal found 11/4C$ 432
Thu 23/41:03 p.m.
YUL
-
SJU
1 stop9h 02m
American Airlines
Fri 1/57:25 a.m.
SJU
-
YUL
1 stop15h 33m
American Airlines
Deal found 9/4C$ 444
Mon 11/56:10 a.m.
YYZ
-
SJU
1 stop9h 32m
United Airlines
Mon 11/51:00 a.m.
SJU
-
YYZ
1 stop8h 19m
United Airlines
Deal found 8/4C$ 447
Sat 25/43:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Sat 2/57:20 a.m.
SJU
-
YUL
1 stop7h 20m
United Airlines
Deal found 10/4C$ 453
Wed 6/510:15 a.m.
YYZ
-
SJU
1 stop10h 19m
United Airlines
Thu 14/51:00 a.m.
SJU
-
YYZ
1 stop8h 19m
United Airlines
Deal found 8/4C$ 455
Tue 2/63:00 p.m.
YYZ
-
SJU
1 stop8h 50m
United Airlines
Mon 8/61:00 a.m.
SJU
-
YYZ
1 stop8h 19m
United Airlines
Deal found 13/4C$ 457

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 13 April 2026.

Round-trip from

C$ 444

One-way from

C$ 170

Popular in

August

Cheapest in

September

Average price

C$ 604

Good round-trip deal

C$ 493 or less

Good one-way deal

C$ 772 or less
American Airlines
  • American Airlines
  • 23/4-1/5
  • 2 total stops
  • 24h 35m total
  • Ontario to Puerto Rico
Search Deals
Arajet
  • Arajet
  • 6/5
  • 1 total stop
  • 7h 34m total
  • Ontario to Puerto Rico
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Puerto Rico.
Search Deals
Price to beat on a one-way flight from Ontario to Puerto Rico.
Search Deals

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 13 April 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

Sat 25/4

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

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Sat 2/5

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

1 stop7h 20m

C$ 453

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 12/5

10:15 a.m.-8:34 p.m.

1 stop10h 19m

San Juan Luis Munoz Marin Intl

Wed 13/5

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

1 stop8h 19m

C$ 455

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sun 10/5

10:15 a.m.-8:34 p.m.

1 stop10h 19m

San Juan Luis Munoz Marin Intl

Wed 13/5

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

1 stop8h 19m

C$ 455

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 12/5

7:00 a.m.-2:44 p.m.

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Thu 14/5

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

1 stop8h 19m

C$ 455

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Wed 6/5

1:00 p.m.-8:34 p.m.

1 stop7h 34m

San Juan Luis Munoz Marin Intl

Tue 12/5

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

1 stop8h 19m

C$ 455

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 25/4

6:10 a.m.-3:42 p.m.

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Tue 28/4

7:40 a.m.-3:46 p.m.

1 stop8h 06m

C$ 478

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

7:00 a.m.-2:34 p.m.

1 stop7h 34m

San Juan Luis Munoz Marin Intl

Tue 12/5

3:03 a.m.-2:08 p.m.

2 stops11h 05m

C$ 479

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 8/5

12:45 p.m.-9:24 p.m.

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Thu 14/5

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

1 stop8h 19m

C$ 498

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 9/5

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

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Tue 12/5

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

1 stop8h 19m

C$ 500

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

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

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Wed 3/6

1:25 p.m.-10:06 p.m.

1 stop8h 41m

C$ 515

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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, January 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 August is currently the most expensive (average of C$ 574). 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 13 April 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 8h 25m. United Airlines provides one of the quickest options available for as low as C$ 453. 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$ 167), WestJet (C$ 199), and Air Canada (C$ 210).

  • 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, January 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 August is currently the most expensive (average of C$ 574). 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

Browse thousands of different options on Cheapflights for your next trip

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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.
Pearson Intl to Punta Cana flights
Pearson Intl to Montego Bay flights
Pierre Elliott Trudeau Intl to Punta Cana flights
Pearson Intl to Kingston flights
Pearson Intl to Bridgetown flights
Pearson Intl to Oranjestad flights
Ottawa to Castries flights
Toronto Island to Punta Cana flights
Vancouver Intl to Castries flights
Pearson Intl to Port of Spain flights
Pierre Elliott Trudeau Intl to Willemstad flights
Pearson Intl to Nassau flights
Pearson Intl to Castries flights
Pierre Elliott Trudeau Intl to Oranjestad flights
Pierre Elliott Trudeau Intl to Castries flights
Pierre Elliott Trudeau Intl to Fort-de-France flights
Pearson Intl to St. George's flights
Pearson Intl to Simpson Bay flights
Pierre Elliott Trudeau Intl to Simpson Bay flights
Pearson Intl to Willemstad flights
Pierre Elliott Trudeau Intl to Montego Bay flights
Pierre Elliott Trudeau Intl to Luis Munoz Marin Intl flights
Pearson Intl to Castries flights
Pierre Elliott Trudeau Intl to Pointe-à-Pitre flights
Pierre Elliott Trudeau Intl to Nassau flights
Pearson Intl to Luis Munoz Marin Intl flights
Pierre Elliott Trudeau Intl to Puerto Plata flights
Pierre Elliott Trudeau Intl to Santo Domingo flights
Vancouver Intl to Punta Cana flights
Pierre Elliott Trudeau Intl to Providenciales flights
Toronto Island to Montego Bay flights
Calgary to Punta Cana flights
Pearson Intl to Providenciales flights
Pearson Intl to Kingstown flights
Pearson Intl to Puerto Plata flights
Pierre Elliott Trudeau Intl to Bridgetown flights
Pearson Intl to St. John's flights
Québec City to Punta Cana flights
Pearson Intl to George Town flights
Vancouver Intl to Montego Bay flights
Toronto Island to Luis Munoz Marin Intl flights
Québec City to Fort-de-France flights
Vancouver Intl to Castries flights
Ottawa to Castries flights
Pierre Elliott Trudeau Intl to George Town flights
Vancouver Intl to Bridgetown flights
Pierre Elliott Trudeau Intl to Cap Haitien flights
Pearson Intl to Santo Domingo flights

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 13 April 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 263AverageC$ 558FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 317AverageC$ 939FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 342AverageC$ 668FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 363AverageC$ 1,063FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 584AverageC$ 871FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Can Cheapflights notify me if prices for flights from Ontario to Puerto Rico become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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