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Cheap flights from Ontario to San Juan from C$ 187

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
22 Jan — 29 Jan1
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 23 December 2025.

Mon 22/124:06 p.m.YYZ - SJU
1 stop6h 53mAmerican Airlines
Wed 31/128:35 p.m.SJU - YYZ
1 stop14h 41mAmerican Airlines
Deal found 21/12C$ 617
Wed 31/127:30 a.m.YYZ - SJU
1 stop15h 29mAmerican Airlines
Sat 10/16:30 a.m.SJU - YYZ
1 stop10h 00mAmerican Airlines
Deal found 22/12C$ 636
Sat 27/127:30 a.m.YYZ - SJU
1 stop15h 29mAmerican Airlines
Wed 31/128:35 p.m.SJU - YYZ
1 stop14h 41mAmerican Airlines
Deal found 21/12C$ 648
Wed 31/126:45 a.m.YUL - SJU
1 stop8h 59mMultiple Airlines
Thu 8/13:55 a.m.SJU - YUL
2 stops21h 40mMultiple Airlines
Deal found 22/12C$ 658
Mon 29/126:45 a.m.YUL - SJU
1 stop8h 59mMultiple Airlines
Fri 9/16:10 a.m.SJU - YUL
2 stops19h 25mMultiple Airlines
Deal found 22/12C$ 666
Fri 26/122:13 p.m.YUL - SJU
1 stop7h 09mUnited Airlines
Tue 6/12:15 p.m.SJU - YUL
1 stop8h 27mUnited Airlines
Deal found 22/12C$ 668
Tue 30/128:30 p.m.YYZ - SJU
1 stop24h 35mMultiple Airlines
Tue 6/14:55 p.m.SJU - YYZ
1 stop19h 51mMultiple Airlines
Deal found 21/12C$ 737
Wed 31/126:45 a.m.YUL - SJU
1 stop8h 59mMultiple Airlines
Wed 7/13:55 a.m.SJU - YUL
2 stops17h 19mMultiple Airlines
Deal found 22/12C$ 745
Wed 24/127:30 a.m.YYZ - SJU
2 stops13h 35mAmerican Airlines
Wed 31/128:35 p.m.SJU - YYZ
1 stop14h 41mAmerican Airlines
Deal found 22/12C$ 746
Mon 29/126:45 a.m.YUL - SJU
1 stop8h 59mMultiple Airlines
Thu 8/16:00 a.m.SJU - YUL
2 stops15h 14mMultiple Airlines
Deal found 22/12C$ 752
Mon 22/1211:54 a.m.YYZ - SJU
1 stop9h 11mAmerican Airlines
Sat 27/127:00 a.m.SJU - YYZ
1 stop9h 30mAmerican Airlines
Deal found 21/12C$ 756
Mon 22/124:06 p.m.YYZ - SJU
1 stop6h 53mAmerican Airlines
Tue 30/128:35 p.m.SJU - YYZ
1 stop14h 41mAmerican Airlines
Deal found 22/12C$ 757

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 23 December 2025.

Round-trip from

C$ 387

One-way from

C$ 187

Popular in

August

Cheapest in

September

Average price

C$ 763
American Airlines
  • American Airlines
  • 19/2-24/2
  • 3 total stops
  • 20h 54m total
  • Ontario to San Juan
Search Deals
18/1
  • 18/1
  • 1 total stop
  • 13h 05m total
  • Ontario to San Juan
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 23 December 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

Sun 11/1

6:10 a.m.-4:36 p.m.

1 stop9h 26m

San Juan Luis Munoz Marin Intl

Thu 15/1

8:35 a.m.-4:02 p.m.

1 stop8h 27m

C$ 397

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 3/3

6:10 a.m.-4:36 p.m.

1 stop9h 26m

San Juan Luis Munoz Marin Intl

Tue 10/3

7:30 a.m.-4:02 p.m.

1 stop8h 32m

C$ 402

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 3/2

2:45 p.m.-10:22 p.m.

1 stop6h 37m

San Juan Luis Munoz Marin Intl

Tue 10/2

4:52 p.m.-11:59 p.m.

1 stop8h 07m

C$ 410

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Mon 12/1

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

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Wed 21/1

4:52 p.m.-11:59 p.m.

1 stop8h 07m

C$ 430

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

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

1 stop10h 49m

San Juan Luis Munoz Marin Intl

Wed 13/5

7:20 a.m.-2:42 p.m.

1 stop7h 22m

C$ 441

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 4/3

8:05 a.m.-3:16 p.m.

1 stop8h 11m

C$ 441

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 3/2

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

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Mon 9/2

5:50 p.m.-11:46 p.m.

1 stop6h 56m

C$ 446

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Wed 7/1

6:10 a.m.-4:36 p.m.

1 stop9h 26m

San Juan Luis Munoz Marin Intl

Wed 14/1

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

1 stop8h 31m

C$ 446

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 23/1

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

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Thu 29/1

8:35 a.m.-4:02 p.m.

1 stop8h 27m

C$ 446

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 10/1

6:10 a.m.-4:36 p.m.

1 stop9h 26m

San Juan Luis Munoz Marin Intl

Thu 15/1

8:35 a.m.-4:02 p.m.

1 stop8h 27m

C$ 446

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/12

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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$ 328). Flying from Region of Ontario to San Juan in July is currently the most expensive (average of C$ 676). 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 23 December 2025.

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the afternoon.

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 26m. Fly via United Airlines or American Airlines to get the fastest option. There are 3080 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$ 166. 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 most reliable airlines from Region of Ontario to San Juan?

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to San Juan consider choosing Air Canada (46%), Air Canada Rouge (42%) or Delta (0%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for C$ 190. While the most popular route (Toronto Pearson Intl - San Juan Luis Munoz Marin Intl) can be booked for C$ 324 on average, our data indicates C$ 688 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$ 328). Flying from Region of Ontario to San Juan in July is currently the most expensive (average of C$ 676). 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
Ottawa to Luis Munoz Marin Intl flights
Québec City to Luis Munoz Marin Intl flights
Halifax to Luis Munoz Marin Intl flights
Edmonton to Luis Munoz Marin Intl flights
Pierre Elliott Trudeau Intl to Vieques flights
Winnipeg to Luis Munoz Marin Intl flights
Calgary to Luis Munoz Marin Intl flights
Pierre Elliott Trudeau Intl to Culebra flights
Pierre Elliott Trudeau Intl to Aguadilla flights
Pearson Intl to Aguadilla flights
Pearson Intl to Culebra flights
Ottawa to Aguadilla 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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 339AverageC$ 701FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 355AverageC$ 519FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 360AverageC$ 605FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 445AverageC$ 843FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 453AverageC$ 813FlexibilityNo 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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