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Cheap flights from Ontario to San Juan from C$ 218

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
27 Apr — 4 May1
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 22 April 2025.

Round-trip from

C$ 336

One-way from

C$ 218

Popular in

June

Cheapest in

April

Average price

C$ 431
United Airlines
  • United Airlines
  • 26/4-27/4
  • 2 total stops
  • 15h 33m total
  • Ontario to San Juan
1/5
  • 1/5
  • 1 total stop
  • 14h 34m total
  • Ontario to San Juan
Highest demand for flights based on searches. 10% potential increase in price (C$ 102 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 22 April 2025.

Sat 26/42:30 p.m.YYZ - SJU
1 stop6h 54mUnited Airlines
Sun 27/47:25 a.m.SJU - YYZ
1 stop6h 54mUnited Airlines
Deal found 22/4C$ 336
Sat 26/47:30 a.m.YYZ - SJU
1 stop16h 39mAmerican Airlines
Sat 3/55:30 a.m.SJU - YYZ
1 stop11h 50mAmerican Airlines
Deal found 22/4C$ 370
Mon 28/412:45 p.m.YYZ - SJU
1 stop27h 15mMultiple Airlines
Wed 30/49:30 p.m.SJU - YYZ
1 stop14h 05mMultiple Airlines
Deal found 22/4C$ 402
Tue 6/57:45 a.m.YTZ - SJU
1 stop7h 39mMultiple Airlines
Tue 6/59:30 p.m.SJU - YTZ
1 stop11h 00mMultiple Airlines
Deal found 22/4C$ 438
Tue 18/113:20 p.m.YUL - SJU
2 stops9h 50mAmerican Airlines
Sun 7/126:40 a.m.SJU - YUL
1 stop6h 35mAmerican Airlines
Deal found 22/4C$ 456
Sun 25/56:45 a.m.YUL - SJU
2 stops11h 43mMultiple Airlines
Tue 3/64:58 p.m.SJU - YUL
1 stop24h 57mMultiple Airlines
Deal found 22/4C$ 485
Sun 30/119:15 a.m.YYZ - SJU
Nonstop4h 35mAir Canada
Sun 7/123:45 p.m.SJU - YYZ
Nonstop5h 05mAir Canada
Deal found 22/4C$ 485
Mon 12/56:00 a.m.YUL - SJU
1 stop7h 45mUnited Airlines
Sat 17/51:25 p.m.SJU - YUL
1 stop8h 41mUnited Airlines
Deal found 21/4C$ 499
Sat 1/116:15 p.m.YUL - SJU
1 stop23h 03mDelta
Wed 12/113:25 p.m.SJU - YUL
1 stop8h 43mDelta
Deal found 21/4C$ 518
Tue 13/56:15 a.m.YUL - SJU
1 stop8h 29mAir Canada
Fri 16/51:05 a.m.SJU - YUL
1 stop12h 04mAir Canada
Deal found 22/4C$ 532
Fri 25/41:27 p.m.YYZ - SJU
1 stop9h 48mDelta
Tue 6/55:11 p.m.SJU - YYZ
1 stop17h 09mDelta
Deal found 21/4C$ 564
Sat 26/48:25 a.m.YTZ - SJU
2 stops12h 59mAir Canada
Mon 28/41:05 a.m.SJU - YTZ
2 stops13h 45mAir Canada
Deal found 22/4C$ 668

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 22 April 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

Mon 5/5

2:45 p.m.-11:54 p.m.

1 stop9h 09m

San Juan Luis Munoz Marin Intl

Wed 7/5

1:05 a.m.-9:19 a.m.

1 stop8h 14m

C$ 343

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 3/5

12:40 p.m.-12:09 a.m.

1 stop11h 29m

San Juan Luis Munoz Marin Intl

Sat 10/5

5:25 a.m.-3:40 p.m.

1 stop10h 15m

C$ 370

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 24/5

1:35 p.m.-6:28 p.m.

1 stop28h 53m

San Juan Luis Munoz Marin Intl

Thu 29/5

12:00 p.m.-9:00 p.m.

1 stop9h 00m

C$ 413

TorontoSan Juan

YTZ - SJU

YTZSJU

Toronto Island

Tue 6/5

7:45 a.m.-3:24 p.m.

1 stop7h 39m

San Juan Luis Munoz Marin Intl

Tue 6/5

9:30 p.m.-8:30 a.m.

1 stop11h 00m

C$ 438

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 25/5

6:45 a.m.-6:28 p.m.

2 stops11h 43m

San Juan Luis Munoz Marin Intl

Wed 4/6

4:58 p.m.-5:55 p.m.

1 stop24h 57m

C$ 458

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Sat 17/5

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

1 stop8h 41m

C$ 471

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

7:47 a.m.-10:30 p.m.

1 stop14h 43m

San Juan Luis Munoz Marin Intl

Fri 30/5

6:10 a.m.-10:45 p.m.

2 stops16h 35m

C$ 496

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 7/7

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

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Mon 14/7

12:56 p.m.-5:10 p.m.

1 stop28h 14m

C$ 518

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 13/5

6:15 a.m.-2:44 p.m.

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Fri 16/5

1:05 a.m.-1:09 p.m.

1 stop12h 04m

C$ 532

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 3/5

7:45 a.m.-8:23 p.m.

1 stop12h 38m

San Juan Luis Munoz Marin Intl

Mon 5/5

6:05 p.m.-11:20 a.m.

1 stop17h 15m

C$ 565

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 33 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 22 April 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 22 April 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.

Crew

8.5

Boarding

8.2

Entertainment

6.8

Comfort

7.9

Food

6.8

Overall

8.2

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

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

Crew

8.5

Boarding

8.2

Entertainment

6.8

Comfort

7.9

Food

6.8

Overall

8.2

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
8.0
Very good

Crew

8.5

Boarding

8.2

Entertainment

6.8

Comfort

7.9

Food

6.8

Overall

8.2

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

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

Crew

8.5

Boarding

8.2

Entertainment

6.8

Comfort

7.9

Food

6.8

Overall

8.2

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

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

Crew

8.5

Boarding

8.2

Entertainment

6.8

Comfort

7.9

Food

6.8

Overall

8.2

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

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

Crew

8.5

Boarding

8.2

Entertainment

6.8

Comfort

7.9

Food

6.8

Overall

8.2

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$ 220. However, be on the lookout for offers from American Airlines and Avianca, 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?

  • 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 (56%), WestJet (56%) or Air Canada (50%) 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$ 325. While the most popular route (Toronto Pearson Intl - San Juan Luis Munoz Marin Intl) can be booked for C$ 393 on average our data indicates C$ 549 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

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 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 269AverageC$ 474FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 287AverageC$ 707FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 429AverageC$ 537FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 446AverageC$ 731FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 476AverageC$ 773FlexibilityNo cancel feeOn-time60%
Search WestJet flights
WestJet EncoreCheapestC$ 772AverageC$ 799FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore 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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