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?

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$ 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.

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 most popular airlines that fly from Region of Ontario to San Juan?

Consider American Airlines, Air Canada or Delta when booking your flight. These represent the most popular airlines when flying from Region of Ontario to San Juan.

What is the cheapest month to fly from Region of Ontario to San Juan?

Flights from Region of Ontario to San Juan lean towards being more expensive in June. Prices are generally better when you fly from Region of Ontario to San Juan in April, with the cheapest ticket starting at C$ 210.

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.

C$ 218+ Flights from Ontario to San Juan

Cheap flight deals from Ontario to San Juan

Round-trip from	C$ 336
One-way from	C$ 218
Popular in	June
Cheapest in	April
Average price	C$ 431

United Airlines
26/4-27/4
2 total stops
15h 33m total
Ontario to San Juan

Search Deals

1/5
1 total stop
14h 34m total
Ontario to San Juan

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 102 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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

Best flights from Ontario to San Juan
Discover carefully curated flight deals from Ontario to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 April 2025.

Sat 26/412:45 p.m.YYZ - SJU

1 stop8h 39mUnited 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

Wed 14/56:00 a.m.YUL - SJU

1 stop7h 45mLufthansa

Sat 17/51:25 p.m.SJU - YUL

1 stop8h 41mLufthansa

Deal found 22/4C$ 471

Mon 7/76:00 a.m.YUL - SJU

1 stop7h 10mDelta

Mon 14/712:56 p.m.SJU - YUL

1 stop28h 14mDelta

Deal found 22/4C$ 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

Tue 13/57:45 a.m.YYZ - SJU

1 stop8h 46mWestJet

Mon 19/512:50 p.m.SJU - YYZ

1 stop21h 30mWestJet

Deal found 21/4C$ 608

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 20/57:47 a.m.YUL - SJU

1 stop14h 43mAmerican Airlines

Fri 30/56:10 a.m.SJU - YUL

2 stops16h 35mAmerican Airlines

Deal found 22/4C$ 496

Sun 25/56:45 a.m.YUL - SJU

2 stops11h 43mMultiple Airlines

Wed 4/64:58 p.m.SJU - YUL

1 stop24h 57mMultiple Airlines

Deal found 22/4C$ 458

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

Tue 27/56:00 a.m.YUL - SJU

1 stop7h 45mUnited Airlines

Sat 31/51:25 p.m.SJU - YUL

1 stop8h 41mUnited Airlines

Deal found 21/4C$ 570

Last-minute flights from Ontario to San Juan
Discover last-minute flight deals from Ontario to San Juan. Data last updated 22 April 2025 and is based on user searches.

Tue 22/47:00 a.m.YUL - SJU

1 stop10h 14mAmerican Airlines

Thu 15/57:15 a.m.SJU - YUL

1 stop15h 29mAmerican Airlines

Deal found 20/4C$ 466

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 26/42:30 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

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

Mon 28/46:15 a.m.YYZ - SJU

1 stop6h 19mUnited Airlines

Tue 6/51:05 a.m.SJU - YYZ

1 stop8h 14mUnited Airlines

Deal found 21/4C$ 343

Mon 28/44:15 p.m.YYZ - SJU

1 stop7h 54mAmerican Airlines

Wed 7/55:25 a.m.SJU - YYZ

1 stop11h 55mAmerican Airlines

Deal found 21/4C$ 372

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 29/47:45 a.m.YYZ - SJU

1 stop15h 30mDelta

Mon 5/56:15 a.m.SJU - YYZ

1 stop15h 42mDelta

Deal found 22/4C$ 554

Wed 30/46:30 a.m.YUL - SJU

1 stop9h 05mMultiple Airlines

Sun 4/52:12 a.m.SJU - YUL

2 stops13h 48mMultiple Airlines

Deal found 20/4C$ 585

Wed 30/49:00 a.m.YYZ - SJU

1 stop14h 54mAir Canada

Fri 2/51:05 a.m.SJU - YYZ

2 stops15h 49mAir Canada

Deal found 21/4C$ 682

Wed 30/49:45 a.m.YUL - SJU

1 stop14h 09mAir Canada

Tue 6/51:05 a.m.SJU - YUL

1 stop8h 18mAir Canada

Deal found 22/4C$ 687

One-way flights from Ontario to San Juan
Search for one-way flight options from Ontario to San Juan. Find affordable one-way fares based on user searches. Data last updated 22 April 2025.

Thu 1/57:25 p.m.YYZ - SJU

1 stop14h 34mMultiple Airlines

Deal found 22/4C$ 218

Mon 28/43:00 p.m.YYZ - SJU

1 stop8h 57mUnited Airlines

Deal found 22/4C$ 220

Sun 24/86:15 a.m.YUL - SJU

1 stop8h 29mUnited Airlines

Deal found 22/4C$ 224

Tue 6/57:45 a.m.YTZ - SJU

1 stop7h 39mMultiple Airlines

Deal found 22/4C$ 245

Mon 28/47:20 a.m.YYZ - SJU

2 stops13h 08mAmerican Airlines

Deal found 22/4C$ 247

Wed 14/510:00 a.m.YUL - SJU

2 stops24h 00mMultiple Airlines

Deal found 22/4C$ 314

Thu 22/55:10 p.m.YYZ - SJU

2 stops19h 30mAvianca

Deal found 21/4C$ 344

Thu 22/511:30 a.m.YYZ - SJU

1 stop8h 18mWestJet

Deal found 22/4C$ 373

Fri 29/86:00 a.m.YUL - SJU

1 stop7h 10mWestJet

Deal found 22/4C$ 386

Wed 2/77:29 a.m.YUL - SJU

1 stop16h 39mAmerican Airlines

Deal found 22/4C$ 420

Sun 27/412:30 a.m.YYZ - SJU

2 stops23h 27mAir Canada

Deal found 22/4C$ 556

Wed 2/711:00 p.m.YYZ - SJU

3 stops14h 45mCaribbean Airlines

Deal found 22/4C$ 690

Cheapflights Fare Finder

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

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

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?

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

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

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

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

150 reviews

Check prices

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

150 reviews

Caribbean Airlines

8.2

Very good

150 reviews

Check prices

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

7,920 reviews

Caribbean Airlines

8.2

Very good

150 reviews

Check prices

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

8,683 reviews

Caribbean Airlines

8.2

Very good

150 reviews

Check prices

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

150 reviews

Check prices

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

2,813 reviews

Caribbean Airlines

8.2

Very good

150 reviews

Check prices

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

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?
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 (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

Alternative routes for Ontario to San Juan

Pearson Intl to Luis Munoz Marin Intl flights

Pierre Elliott Trudeau Intl to Luis Munoz Marin Intl flights

Vancouver Intl to Luis Munoz Marin Intl flights

Toronto Island to Luis Munoz Marin Intl flights

Edmonton to Luis Munoz Marin Intl flights

Calgary to Luis Munoz Marin Intl flights

Ottawa to Luis Munoz Marin Intl flights

Québec City to Luis Munoz Marin Intl flights

Pearson Intl to Culebra flights

Pearson Intl to Aguadilla flights

Halifax to Luis Munoz Marin Intl flights

Ottawa to Aguadilla flights

Pierre Elliott Trudeau Intl to Culebra flights

Pierre Elliott Trudeau Intl to Aguadilla flights

Winnipeg to Luis Munoz Marin Intl flights

Pierre Elliott Trudeau Intl to Vieques flights

Complete your trip

San Juan car rentals

San Juan Luis Munoz Marin Intl Airport car rentals

Ponce Mercedita Airport car rentals

San Juan Isla Grande Airport car rentals

Vieques Airport car rentals

Aguadilla car rentals

Condado car rentals

Santurce car rentals

Hato Rey Sur car rentals

San Juan Antiguo car rentals

Hato Rey Norte car rentals

Hato Rey Central car rentals

Top 6 airlines flying from Ontario to San Juan

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 269	AverageC$ 474	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 287	AverageC$ 707	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 429	AverageC$ 537	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 446	AverageC$ 731	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 476	AverageC$ 773	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
WestJet Encore	CheapestC$ 772	AverageC$ 799	FlexibilityNo cancel fee	On-timeN/A	Search WestJet Encore flights

Fly with Cheapflights

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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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.

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

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to San Juan

Cheapest flights from Ontario to San JuanExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to San Juan that are best for you.

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.

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?

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.

Rainfall in San Juan by month

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

Temperature in San Juan by month

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

Reviews of airlines servicing San Juan

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.

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?

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?

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

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

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

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

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Alternative routes for Ontario to San Juan

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Top 6 airlines flying from Ontario to San Juan

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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.