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Cheap flights from Ontario to San Juan from C$ 175

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
7 Aug — 14 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to San Juan

Enter your travel dates to find the best prices.

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 8 July 2026.

Sat 5/912:40 p.m.
YYZ
-
SJU
1 stop6h 50m
Arajet
Tue 29/94:30 p.m.
SJU
-
YYZ
1 stop7h 25m
Arajet
Deal found 5/7C$ 242
Wed 2/97:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Tue 8/94:30 p.m.
SJU
-
YUL
1 stop7h 50m
Arajet
Deal found 6/7C$ 284
Fri 11/97:00 a.m.
YUL
-
SJU
1 stop9h 20m
Arajet
Sun 20/94:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 4/7C$ 288
Wed 9/97:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Tue 15/94:30 p.m.
SJU
-
YUL
1 stop7h 50m
Arajet
Deal found 5/7C$ 290
Wed 16/97:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Sun 20/94:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 5/7C$ 369
Wed 2/97:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Sun 13/94:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 7/7C$ 378
Wed 2/97:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Tue 15/94:30 p.m.
SJU
-
YUL
1 stop7h 50m
Arajet
Deal found 3/7C$ 394
Tue 22/99:30 a.m.
YYZ
-
SJU
1 stop14h 08m
Multiple Airlines
Tue 29/94:30 p.m.
SJU
-
YYZ
1 stop7h 25m
Multiple Airlines
Deal found 4/7C$ 398
Fri 4/93:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Tue 15/91:25 p.m.
SJU
-
YUL
1 stop8h 41m
United Airlines
Deal found 3/7C$ 409
Fri 4/93:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Sat 12/91:25 p.m.
SJU
-
YUL
1 stop8h 41m
United Airlines
Deal found 4/7C$ 411
Wed 2/96:30 a.m.
YYZ
-
SJU
1 stop8h 04m
Arajet
Tue 8/94:30 p.m.
SJU
-
YYZ
1 stop7h 25m
Arajet
Deal found 7/7C$ 415
Fri 9/107:00 a.m.
YYZ
-
SJU
1 stop7h 44m
United Airlines
Sat 17/101:00 a.m.
SJU
-
YYZ
1 stop8h 19m
United Airlines
Deal found 5/7C$ 419

Find 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 8 July 2026.

Round-trip from

C$ 242

One-way from

C$ 175

Popular in

July

Cheapest in

October

Average price

C$ 838
Arajet
  • Arajet
  • 5/9-29/9
  • 2 total stops
  • 14h 15m total
  • Ontario to San Juan
Search Deals
Arajet
  • Arajet
  • 16/9
  • 1 total stop
  • 7h 34m total
  • Ontario to San Juan
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 8 July 2026.
Use the filters below to find and compare flights from Ontario to San Juan 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

Wed 2/9

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

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Mon 14/9

2:55 p.m.-10:06 p.m.

1 stop7h 11m

C$ 409

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

6:00 a.m.-1:53 p.m.

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Sat 12/9

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

1 stop8h 41m

C$ 409
Quickest round-trip

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 8/9

7:30 a.m.-1:53 p.m.

1 stop6h 23m

San Juan Luis Munoz Marin Intl

Sat 12/9

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

1 stop8h 19m

C$ 419

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 7/11

2:57 p.m.-12:36 a.m.

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Wed 11/11

1:00 p.m.-9:24 p.m.

1 stop9h 24m

C$ 419

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 17/10

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

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Tue 20/10

4:55 p.m.-11:54 p.m.

1 stop6h 59m

C$ 419

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 9/10

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

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Sun 18/10

4:55 p.m.-11:54 p.m.

1 stop6h 59m

C$ 419

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 5/9

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

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Sat 12/9

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

1 stop8h 19m

C$ 430

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Sat 12/9

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

1 stop8h 41m

C$ 448

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 5/9

3:10 p.m.-11:50 p.m.

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Wed 9/9

1:25 p.m.-10:35 p.m.

1 stop9h 10m

C$ 459

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 25/8

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

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Tue 1/9

4:55 p.m.-11:54 p.m.

1 stop6h 59m

C$ 462

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Region of Ontario to San Juan (average of C$ 155). Flying from Region of Ontario to San Juan in March is currently the most expensive (average of C$ 2,222). 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 much does it cost to fly round-trip from Region of Ontario to San Juan?

How far ahead should I book a flight from Region of Ontario to San Juan?

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 8h 25m. Fly via United Airlines or Air Canada to get the fastest option. There are 3087 km between Region of Ontario and San Juan. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Arajet, with whom users have recently found tickets for as low as C$ 172. However, be on the lookout for offers from WestJet and United Airlines, 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$ 369. While the most popular route (Toronto Pearson Intl - San Juan Luis Munoz Marin Intl) can be booked for C$ 328 on average, our data indicates C$ 597 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, October is the cheapest month in which you can book a flight from Region of Ontario to San Juan (average of C$ 155). Flying from Region of Ontario to San Juan in March is currently the most expensive (average of C$ 2,222). 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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Top 6 airlines flying from Ontario to San Juan

Discover the top 6 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 8 July 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapestC$ 264AverageC$ 642FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
American AirlinesCheapestC$ 292AverageC$ 578FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 307AverageC$ 1,166FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 344AverageC$ 675FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 408AverageC$ 930FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 803AverageC$ 964FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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