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Cheap flights from Ontario to San Juan from C$ 210

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
19 Oct — 26 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to San Juan

Keep the following information in mind while searching for Ontario to San Juan flight deals. Data was last updated 19 September 2025.

Round-trip from

C$ 390

One-way from

C$ 210

Popular in

December

Cheapest in

September

Average price

C$ 535
American Airlines
  • American Airlines
  • 21/10-28/10
  • 2 total stops
  • 32h 06m total
  • Ontario to San Juan
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7/12
  • 7/12
  • 1 total stop
  • 25h 45m total
  • Ontario to San Juan
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Ontario to San Juan

Cheapest flights from Ontario to San Juan
Explore the most affordable flight options available from Ontario to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2025.

Tue 21/107:29 a.m.YUL - SJU
1 stop14h 41mAmerican Airlines
Tue 28/105:30 a.m.SJU - YUL
1 stop17h 25mAmerican Airlines
Deal found 17/9C$ 390
Sat 1/1110:00 a.m.YYZ - SJU
1 stop11h 22mUnited Airlines
Mon 10/112:05 a.m.SJU - YYZ
1 stop8h 31mUnited Airlines
Deal found 17/9C$ 390
Tue 21/107:35 a.m.YYZ - SJU
1 stop16h 24mAmerican Airlines
Tue 28/107:45 a.m.SJU - YYZ
2 stops13h 45mAmerican Airlines
Deal found 18/9C$ 393
Wed 29/109:00 a.m.YYZ - SJU
1 stop11h 00mUnited Airlines
Mon 10/112:05 a.m.SJU - YYZ
1 stop8h 31mUnited Airlines
Deal found 18/9C$ 398
Sun 26/109:00 a.m.YYZ - SJU
1 stop11h 00mUnited Airlines
Sun 2/118:30 a.m.SJU - YYZ
1 stop11h 27mUnited Airlines
Deal found 16/9C$ 400
Mon 6/103:45 p.m.YYZ - SJU
1 stop8h 09mAmerican Airlines
Tue 7/105:30 a.m.SJU - YYZ
1 stop11h 49mAmerican Airlines
Deal found 18/9C$ 404
Wed 29/107:15 a.m.YYZ - SJU
2 stops14h 55mAmerican Airlines
Thu 13/114:44 p.m.SJU - YYZ
1 stop6h 48mAmerican Airlines
Deal found 18/9C$ 411
Mon 20/104:15 p.m.YYZ - SJU
1 stop7h 44mAmerican Airlines
Sat 25/103:50 p.m.SJU - YYZ
1 stop6h 39mAmerican Airlines
Deal found 16/9C$ 412
Sun 9/119:00 a.m.YYZ - SJU
1 stop11h 00mMultiple Airlines
Sat 15/113:40 p.m.SJU - YYZ
Nonstop5h 00mMultiple Airlines
Deal found 17/9C$ 416
Sat 20/911:49 a.m.YYZ - SJU
2 stops11h 48mAmerican Airlines
Sat 27/97:05 p.m.SJU - YYZ
2 stops17h 27mAmerican Airlines
Deal found 16/9C$ 418
Sat 15/112:57 p.m.YYZ - SJU
1 stop8h 39mUnited Airlines
Thu 20/112:05 a.m.SJU - YYZ
1 stop8h 31mUnited Airlines
Deal found 18/9C$ 419
Sun 9/119:00 a.m.YYZ - SJU
1 stop11h 00mUnited Airlines
Fri 14/112:05 a.m.SJU - YYZ
1 stop8h 31mUnited Airlines
Deal found 17/9C$ 421

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to San Juan 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 19 September 2025.
Use the filters below to find and compare flights from Ontario to San Juan that are best for you.

Fly from

Ontario

Fly to

San Juan

Route

Depart

Return

Price

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 4/11

11:00 a.m.-9:00 p.m.

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Thu 6/11

2:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 398

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 31/10

6:10 a.m.-8:26 p.m.

1 stop14h 16m

San Juan Luis Munoz Marin Intl

Mon 10/11

2:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 398

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sun 2/11

5:50 a.m.-2:40 p.m.

1 stop7h 50m

San Juan Luis Munoz Marin Intl

Mon 10/11

2:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 398

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

2:13 p.m.-10:22 p.m.

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Sun 8/3

7:35 a.m.-9:01 p.m.

1 stop13h 26m

C$ 429

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

3:00 p.m.-12:36 a.m.

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Thu 19/2

8:10 a.m.-3:02 p.m.

1 stop7h 52m

C$ 429

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

9:15 a.m.-10:22 p.m.

1 stop12h 07m

San Juan Luis Munoz Marin Intl

Thu 19/2

8:10 a.m.-3:02 p.m.

1 stop7h 52m

C$ 469

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sun 8/2

11:00 a.m.-9:00 p.m.

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Tue 17/2

8:10 a.m.-6:37 p.m.

1 stop11h 27m

C$ 469

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 17/3

2:50 p.m.-9:22 p.m.

1 stop6h 32m

San Juan Luis Munoz Marin Intl

Tue 24/3

7:10 a.m.-6:37 p.m.

1 stop11h 27m

C$ 469

TorontoSan Juan

YTZ - SJU

YTZSJU

Toronto Island

Wed 15/10

7:30 p.m.-2:02 a.m.

1 stop6h 32m

San Juan Luis Munoz Marin Intl

Wed 22/10

6:22 a.m.-8:50 p.m.

2 stops14h 28m

C$ 500

TorontoSan Juan

YTZ - SJU

YTZSJU

Toronto Island

Mon 27/10

6:20 p.m.-2:02 a.m.

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Fri 31/10

5:51 p.m.-10:35 a.m.

1 stop16h 44m

C$ 505

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/9

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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 San Juan

What is the cheapest month to book a flight from Region of Ontario to San Juan?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to San Juan (average of C$ 254). Flying from Region of Ontario to San Juan in July is currently the most expensive (average of C$ 580). 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 SJU?

Find hourly flight availability from Ontario to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Juan as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Juan. 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 San Juan?

    There are many flights that can get you from Region of Ontario to San Juan in 9h. Fly via United Airlines to get the fastest option. There are 3080 km between Region of Ontario and San Juan.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 214. However, be on the lookout for offers from American Airlines and Air Transat, as they are both options that can get you from Region of Ontario to San Juan for a low price.

  • What are the most popular routes from Region of Ontario to San Juan?

    Most travellers choose Toronto Pearson Intl - San Juan Luis Munoz Marin Intl, Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl or Toronto Island - San Juan Luis Munoz Marin Intl when deciding on the best route from Region of Ontario to San Juan.

  • What are the cheapest flights from Region of Ontario to San Juan?

    Looking at all options, your cheapest flight can be booked for C$ 358. While the most popular route (Toronto Pearson Intl - San Juan Luis Munoz Marin Intl) can be booked for C$ 332 on average, our data indicates C$ 903 when flying from Region of Ontario to San Juan.

  • Can I find deals for flights from Ontario to San Juan that include hotel bookings?

    Yes. In addition to deals on Ontario to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Juan.

  • Can I find deals for business class flights from Ontario to San Juan?

    Yes. Cheapflights offers flight deals from Ontario to San Juan 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 San Juan?

    Currently, April is the cheapest month in which you can book a flight from Region of Ontario to San Juan (average of C$ 254). Flying from Region of Ontario to San Juan in July is currently the most expensive (average of C$ 580). 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 San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Luis Munoz Marin Intl flights
Pierre Elliott Trudeau Intl to Luis Munoz Marin Intl flights
Toronto Island to Luis Munoz Marin Intl flights
Vancouver Intl to Luis Munoz Marin Intl flights
Edmonton to Luis Munoz Marin Intl flights
Ottawa to Luis Munoz Marin Intl flights
Calgary to Luis Munoz Marin Intl flights
Québec City to Luis Munoz Marin Intl flights
Winnipeg to Luis Munoz Marin Intl flights
Halifax to Luis Munoz Marin Intl flights
Pierre Elliott Trudeau Intl to Culebra flights
Pearson Intl to Aguadilla flights
Ottawa to Aguadilla flights
Pierre Elliott Trudeau Intl to Vieques flights
Pierre Elliott Trudeau Intl to Aguadilla flights
Pearson Intl to Culebra flights

Top 5 airlines flying from Ontario to San Juan

Discover the top 5 airlines that operate flights from Ontario to San Juan. 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 19 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 332AverageC$ 700FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 355AverageC$ 523FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 426AverageC$ 490FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 445AverageC$ 764FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 478AverageC$ 803FlexibilityNo 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 San Juan?

Cheapflights helps you search for flights from Ontario to San Juan 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 San Juan?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to San Juan for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to San Juan with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to San Juan, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to San Juan become cheaper?

Yes! Start tracking prices for Ontario to San Juan flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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