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Cheap flights from Ontario to San Juan from C$ 242

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 365

One-way from

C$ 242

Popular in

December

Cheapest in

January

Average price

C$ 757
American Airlines
  • American Airlines
  • 12/11-25/11
  • 2 total stops
  • 19h 56m total
  • Ontario to San Juan
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United Airlines
  • United Airlines
  • 4/11
  • 1 total stop
  • 8h 36m total
  • Ontario to San Juan
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 12 June 2025.

Wed 12/1112:30 p.m.YYZ - SJU
1 stop10h 01mAmerican Airlines
Tue 25/116:30 a.m.SJU - YYZ
1 stop9h 55mAmerican Airlines
Deal found 12/6C$ 365
Fri 17/107:00 a.m.YYZ - SJU
1 stop7h 44mUnited Airlines
Wed 29/101:20 p.m.SJU - YYZ
1 stop10h 09mUnited Airlines
Deal found 10/6C$ 383
Tue 18/112:13 p.m.YUL - SJU
1 stop7h 09mUnited Airlines
Mon 8/128:35 a.m.SJU - YUL
1 stop13h 26mUnited Airlines
Deal found 10/6C$ 462
Thu 25/910:41 a.m.YUL - SJU
2 stops12h 56mAmerican Airlines
Wed 1/103:55 p.m.SJU - YUL
2 stops19h 51mAmerican Airlines
Deal found 10/6C$ 469
Tue 8/76:30 a.m.YYZ - SJU
1 stop12h 49mMultiple Airlines
Thu 24/711:59 p.m.SJU - YYZ
2 stops16h 39mMultiple Airlines
Deal found 10/6C$ 494
Fri 11/71:10 p.m.YUL - SJU
1 stop9h 50mMultiple Airlines
Fri 18/711:59 p.m.SJU - YUL
1 stop12h 26mMultiple Airlines
Deal found 11/6C$ 503
Fri 29/86:00 a.m.YUL - SJU
1 stop7h 10mDelta
Fri 5/92:40 p.m.SJU - YUL
1 stop9h 13mDelta
Deal found 10/6C$ 517
Tue 15/75:15 p.m.YTZ - SJU
1 stop8h 53mMultiple Airlines
Wed 23/74:58 p.m.SJU - YTZ
1 stop15h 32mMultiple Airlines
Deal found 10/6C$ 532
Mon 25/87:45 a.m.YYZ - SJU
1 stop8h 51mDelta
Thu 4/912:50 p.m.SJU - YYZ
1 stop9h 08mDelta
Deal found 9/6C$ 552
Tue 18/118:05 a.m.YUL - SJU
1 stop15h 31mAir Canada
Sun 7/122:05 a.m.SJU - YUL
1 stop10h 54mAir Canada
Deal found 12/6C$ 561
Sun 22/64:10 p.m.YOW - SJU
1 stop9h 51mMultiple Airlines
Mon 30/68:24 p.m.SJU - YOW
1 stop20h 51mMultiple Airlines
Deal found 10/6C$ 617
Fri 20/65:10 p.m.YYZ - SJU
3 stops18h 45mAvianca
Mon 23/62:10 p.m.SJU - YYZ
2 stops16h 30mAvianca
Deal found 11/6C$ 619

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 12 June 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

Wed 12/11

12:30 p.m.-11:31 p.m.

1 stop10h 01m

San Juan Luis Munoz Marin Intl

Tue 25/11

6:30 a.m.-3:25 p.m.

1 stop9h 55m

C$ 365

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 17/10

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

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Wed 29/10

1:20 p.m.-11:29 p.m.

1 stop10h 09m

C$ 383

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 8/7

6:30 a.m.-7:19 p.m.

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Thu 24/7

11:59 p.m.-4:38 p.m.

2 stops16h 39m

C$ 494

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Fri 11/7

1:10 p.m.-11:00 p.m.

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Fri 18/7

11:59 p.m.-12:25 p.m.

1 stop12h 26m

C$ 503

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Fri 29/8

6:00 a.m.-1:10 p.m.

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Fri 5/9

2:40 p.m.-11:53 p.m.

1 stop9h 13m

C$ 517

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 21/6

7:50 a.m.-10:55 p.m.

1 stop15h 05m

San Juan Luis Munoz Marin Intl

Tue 1/7

6:05 a.m.-4:45 p.m.

2 stops10h 40m

C$ 521

TorontoSan Juan

YTZ - SJU

YTZSJU

Toronto Island

Tue 15/7

5:15 p.m.-2:08 a.m.

1 stop8h 53m

San Juan Luis Munoz Marin Intl

Wed 23/7

4:58 p.m.-8:30 a.m.

1 stop15h 32m

C$ 532

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Mon 25/8

7:45 a.m.-4:36 p.m.

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Thu 4/9

12:50 p.m.-9:58 p.m.

1 stop9h 08m

C$ 552

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sun 22/6

4:10 p.m.-2:01 a.m.

1 stop9h 51m

San Juan Luis Munoz Marin Intl

Mon 30/6

8:24 p.m.-5:15 p.m.

1 stop20h 51m

C$ 617

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Thu 17/7

5:10 p.m.-12:40 p.m.

2 stops19h 30m

San Juan Luis Munoz Marin Intl

Mon 21/7

6:15 p.m.-12:29 a.m.

3 stops30h 14m

C$ 623

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 42 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 12 June 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.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 mm per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated 12 June 2025.
See what other customers who have flown with Caribbean Airlines, Delta and United Airlines from Ontario to San Juan have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Overall

8.2

Food

6.8

Boarding

8.2

Comfort

7.9

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
Caribbean Airlines
8.2
Very good
157 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Overall

8.2

Food

6.8

Boarding

8.2

Comfort

7.9

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
Delta
8.0
Very good
7,946 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Overall

8.2

Food

6.8

Boarding

8.2

Comfort

7.9

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
United Airlines
7.4
Good
8,790 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Overall

8.2

Food

6.8

Boarding

8.2

Comfort

7.9

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
American Airlines
7.2
Good
10,000 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Overall

8.2

Food

6.8

Boarding

8.2

Comfort

7.9

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
WestJet
7.2
Good
2,868 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Overall

8.2

Food

6.8

Boarding

8.2

Comfort

7.9

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.

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.

  • 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$ 242. However, be on the lookout for offers from American Airlines and Arajet, 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 Delta (100%), WestJet (100%) or Air Canada Rouge (86%) 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$ 302. While the most popular route (Toronto Pearson Intl - San Juan Luis Munoz Marin Intl) can be booked for C$ 383 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$ 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
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Ottawa to Luis Munoz Marin Intl flights
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Calgary to Luis Munoz Marin Intl flights
Pierre Elliott Trudeau Intl to Culebra flights
Pierre Elliott Trudeau Intl to Vieques flights
Halifax to Luis Munoz Marin Intl flights
Pearson Intl to Aguadilla flights
Ottawa to Aguadilla 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 266AverageC$ 481FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 296AverageC$ 696FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 422AverageC$ 529FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 440AverageC$ 714FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 469AverageC$ 768FlexibilityNo 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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