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$ 224. However, be on the lookout for offers from American Airlines and Delta, 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 Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl, Toronto Pearson 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$ 326. While the most popular route (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl) can be booked for C$ 348 on average our data indicates C$ 554 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$ 216.

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$ 219+ Flights from Ontario to San Juan

Cheap flight deals from Ontario to San Juan

Round-trip from	C$ 344
One-way from	C$ 224
Popular in	June
Cheapest in	April
Average price	C$ 432

United Airlines
3/5-9/5
2 total stops
17h 23m total
Ontario to San Juan

Search Deals

United Airlines
5/5
1 total stop
8h 57m total
Ontario to San Juan

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 101 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 20 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 29 April 2025.

Sat 3/52:45 p.m.YYZ - SJU

1 stop9h 09mUnited Airlines

Fri 9/51:05 a.m.SJU - YYZ

1 stop8h 14mUnited Airlines

Deal found 28/4C$ 344

Sat 3/512:40 p.m.YYZ - SJU

1 stop11h 29mAmerican Airlines

Wed 7/57:15 a.m.SJU - YYZ

1 stop7h 44mAmerican Airlines

Deal found 28/4C$ 371

Wed 28/52:20 p.m.YYZ - SJU

1 stop28h 08mMultiple Airlines

Mon 2/68:12 p.m.SJU - YYZ

1 stop20h 58mMultiple Airlines

Deal found 28/4C$ 450

Wed 17/96:00 a.m.YUL - SJU

1 stop7h 45mUnited Airlines

Wed 24/91:25 p.m.SJU - YUL

1 stop8h 41mUnited Airlines

Deal found 28/4C$ 453

Tue 18/112:25 p.m.YUL - SJU

2 stops10h 45mAmerican Airlines

Sun 7/126:40 a.m.SJU - YUL

1 stop6h 35mAmerican Airlines

Deal found 28/4C$ 456

Sun 23/116:15 p.m.YUL - SJU

1 stop17h 25mDelta

Tue 2/126:20 p.m.SJU - YUL

1 stop30h 33mDelta

Deal found 27/4C$ 518

Sun 22/611:00 a.m.YTZ - SJU

1 stop22h 58mMultiple Airlines

Mon 23/69:30 p.m.SJU - YTZ

1 stop19h 15mMultiple Airlines

Deal found 28/4C$ 522

Wed 28/510:00 a.m.YUL - SJU

2 stops33h 07mMultiple Airlines

Tue 3/61:59 a.m.SJU - YUL

3 stops22h 38mMultiple Airlines

Deal found 27/4C$ 524

Thu 10/711:39 a.m.YYZ - SJU

1 stop10h 44mDelta

Tue 15/71:34 p.m.SJU - YYZ

1 stop9h 39mDelta

Deal found 28/4C$ 554

Sun 23/119:15 a.m.YYZ - SJU

Nonstop4h 35mAir Canada

Sun 30/113:45 p.m.SJU - YYZ

Nonstop5h 05mAir Canada

Deal found 28/4C$ 600

Wed 28/55:10 p.m.YYZ - SJU

3 stops18h 45mAvianca

Mon 2/62:10 p.m.SJU - YYZ

2 stops16h 30mAvianca

Deal found 28/4C$ 611

Wed 17/91:15 p.m.YUL - SJU

1 stop10h 42mAir Canada

Tue 23/91:05 a.m.SJU - YUL

1 stop12h 04mAir Canada

Deal found 28/4C$ 613

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 29 April 2025.

Sat 3/52:45 p.m.YYZ - SJU

1 stop9h 09mUnited Airlines

Fri 9/51:05 a.m.SJU - YYZ

1 stop8h 14mUnited Airlines

Deal found 28/4C$ 344

Sat 3/512:40 p.m.YYZ - SJU

1 stop11h 29mAmerican Airlines

Wed 7/57:15 a.m.SJU - YYZ

1 stop7h 44mAmerican Airlines

Deal found 28/4C$ 371

Wed 28/52:20 p.m.YYZ - SJU

1 stop28h 08mMultiple Airlines

Mon 2/68:12 p.m.SJU - YYZ

1 stop20h 58mMultiple Airlines

Deal found 28/4C$ 450

Thu 10/711:39 a.m.YYZ - SJU

1 stop10h 44mDelta

Tue 15/71:34 p.m.SJU - YYZ

1 stop9h 39mDelta

Deal found 28/4C$ 554

Wed 28/55:10 p.m.YYZ - SJU

3 stops18h 45mAvianca

Mon 2/62:10 p.m.SJU - YYZ

2 stops16h 30mAvianca

Deal found 28/4C$ 611

Mon 9/61:00 p.m.YUL - SJU

1 stop22h 57mAir Canada

Sun 15/61:05 a.m.SJU - YUL

1 stop21h 01mAir Canada

Deal found 27/4C$ 622

Mon 30/66:45 p.m.YUL - SJU

1 stop17h 14mWestJet

Sat 5/77:30 a.m.SJU - YUL

1 stop16h 24mWestJet

Deal found 27/4C$ 672

Wed 28/55:35 p.m.YUL - SJU

2 stops17h 35mAmerican Airlines

Wed 4/65:25 a.m.SJU - YUL

1 stop10h 00mAmerican Airlines

Deal found 27/4C$ 457

Sun 22/611:00 a.m.YTZ - SJU

1 stop22h 58mMultiple Airlines

Mon 23/69:30 p.m.SJU - YTZ

1 stop19h 15mMultiple Airlines

Deal found 28/4C$ 522

Wed 28/510:00 a.m.YUL - SJU

2 stops33h 07mMultiple Airlines

Tue 3/61:59 a.m.SJU - YUL

3 stops22h 38mMultiple Airlines

Deal found 27/4C$ 524

Tue 13/51:25 p.m.YYZ - SJU

1 stop9h 22mWestJet

Mon 19/52:31 p.m.SJU - YYZ

1 stop19h 49mWestJet

Deal found 28/4C$ 676

Sat 3/56:00 a.m.YUL - SJU

1 stop7h 45mUnited Airlines

Sun 11/51:05 a.m.SJU - YUL

1 stop8h 18mUnited Airlines

Deal found 27/4C$ 683

Last-minute flights from Ontario to San Juan
Discover last-minute flight deals from Ontario to San Juan. Data last updated 29 April 2025 and is based on user searches.

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

1 stop8h 29mUnited Airlines

Mon 5/51:25 p.m.SJU - YUL

1 stop8h 41mUnited Airlines

Deal found 27/4C$ 503

Sat 3/52:45 p.m.YYZ - SJU

1 stop9h 09mUnited Airlines

Fri 9/51:05 a.m.SJU - YYZ

1 stop8h 14mUnited Airlines

Deal found 28/4C$ 344

Sat 3/512:40 p.m.YYZ - SJU

1 stop11h 29mAmerican Airlines

Wed 7/57:15 a.m.SJU - YYZ

1 stop7h 44mAmerican Airlines

Deal found 28/4C$ 371

Sat 3/57:47 a.m.YUL - SJU

1 stop16h 22mAmerican Airlines

Sun 11/55:25 a.m.SJU - YUL

1 stop6h 56mAmerican Airlines

Deal found 28/4C$ 558

Sat 3/57:55 a.m.YYZ - SJU

1 stop26h 05mMultiple Airlines

Wed 7/59:30 p.m.SJU - YYZ

2 stops20h 29mMultiple Airlines

Deal found 28/4C$ 661

Sat 3/56:00 a.m.YUL - SJU

1 stop7h 45mUnited Airlines

Sat 10/51:05 a.m.SJU - YUL

1 stop8h 18mUnited Airlines

Deal found 28/4C$ 683

Sat 3/57:00 a.m.YUL - SJU

1 stop13h 23mWestJet

Mon 12/57:30 a.m.SJU - YUL

1 stop28h 09mWestJet

Deal found 27/4C$ 710

Sat 3/53:00 p.m.YTZ - SJU

1 stop18h 59mMultiple Airlines

Tue 6/53:56 a.m.SJU - YTZ

2 stops15h 31mMultiple Airlines

Deal found 28/4C$ 800

Sat 3/57:00 a.m.YYZ - SJU

2 stops16h 54mAir Canada

Thu 8/57:25 a.m.SJU - YYZ

2 stops15h 49mAir Canada

Deal found 28/4C$ 1,074

Sat 3/511:50 p.m.YYZ - SJU

2 stops15h 10mAvianca

Wed 7/54:25 p.m.SJU - YYZ

2 stops30h 05mAvianca

Deal found 28/4C$ 1,419

Sat 3/54:50 p.m.YYZ - SJU

2 stops21h 10mCaribbean Airlines

Thu 8/53:15 p.m.SJU - YYZ

3 stops29h 45mCaribbean Airlines

Deal found 28/4C$ 1,422

Sun 4/56:45 a.m.YUL - SJU

2 stops32h 50mMultiple Airlines

Mon 12/59:30 p.m.SJU - YUL

1 stop16h 50mMultiple Airlines

Deal found 27/4C$ 680

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 29 April 2025.

Mon 5/53:00 p.m.YYZ - SJU

1 stop8h 57mUnited Airlines

Deal found 27/4C$ 224

Wed 28/57:15 p.m.YYZ - SJU

1 stop15h 55mAmerican Airlines

Deal found 27/4C$ 231

Wed 28/55:35 p.m.YUL - SJU

2 stops17h 35mAmerican Airlines

Deal found 27/4C$ 243

Wed 28/52:50 p.m.YYZ - SJU

2 stops20h 41mMultiple Airlines

Deal found 27/4C$ 280

Wed 28/510:45 a.m.YUL - SJU

3 stops24h 46mMultiple Airlines

Deal found 27/4C$ 306

Wed 28/56:15 a.m.YUL - SJU

1 stop8h 29mUnited Airlines

Deal found 27/4C$ 309

Thu 10/711:39 a.m.YYZ - SJU

1 stop10h 44mDelta

Deal found 28/4C$ 324

Thu 12/63:50 p.m.YOW - SJU

1 stop27h 29mMultiple Airlines

Deal found 27/4C$ 328

Mon 5/57:45 a.m.YTZ - SJU

1 stop7h 39mMultiple Airlines

Deal found 27/4C$ 405

Wed 2/711:39 a.m.YYZ - SJU

1 stop8h 14mWestJet

Deal found 28/4C$ 407

Wed 2/75:10 p.m.YYZ - SJU

2 stops19h 30mAvianca

Deal found 28/4C$ 423

Sun 11/55:15 a.m.YOW - SJU

2 stops15h 23mUnited Airlines

Deal found 28/4C$ 561

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

Sun 11/5

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

1 stop9h 09m

San Juan Luis Munoz Marin Intl

Fri 16/5

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

1 stop8h 14m

C$ 344

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Wed 28/5

7:15 p.m.-11:10 a.m.

1 stop15h 55m

San Juan Luis Munoz Marin Intl

Sun 1/6

11:50 a.m.-11:51 p.m.

1 stop12h 01m

C$ 446

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Wed 28/5

2:20 p.m.-6:28 p.m.

1 stop28h 08m

San Juan Luis Munoz Marin Intl

Mon 2/6

8:12 p.m.-5:10 p.m.

1 stop20h 58m

C$ 450

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Wed 24/9

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

1 stop8h 41m

C$ 453

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 28/5

5:35 p.m.-11:10 a.m.

2 stops17h 35m

San Juan Luis Munoz Marin Intl

Wed 4/6

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

1 stop10h 00m

C$ 511

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Thu 29/5

6:45 a.m.-7:07 p.m.

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Mon 2/6

8:12 p.m.-7:57 p.m.

2 stops23h 45m

C$ 521

TorontoSan Juan

YTZ - SJU

YTZSJU

Toronto Island

Sun 22/6

11:00 a.m.-9:58 a.m.

1 stop22h 58m

San Juan Luis Munoz Marin Intl

Mon 23/6

9:30 p.m.-4:45 p.m.

1 stop19h 15m

C$ 522

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Thu 10/7

11:39 a.m.-10:23 p.m.

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Tue 15/7

1:34 p.m.-11:13 p.m.

1 stop9h 39m

C$ 554

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sun 19/10

2:10 p.m.-2:44 p.m.

1 stop24h 34m

San Juan Luis Munoz Marin Intl

Mon 20/10

1:05 a.m.-12:39 p.m.

2 stops11h 34m

C$ 610

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Wed 28/5

5:10 p.m.-11:55 a.m.

3 stops18h 45m

San Juan Luis Munoz Marin Intl

Mon 2/6

2:10 p.m.-6:40 a.m.

2 stops16h 30m

C$ 611

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 37 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

151 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

151 reviews

Caribbean Airlines

8.2

Very good

151 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

7,929 reviews

Caribbean Airlines

8.2

Very good

151 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

8,696 reviews

Caribbean Airlines

8.2

Very good

151 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

151 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

2,823 reviews

Caribbean Airlines

8.2

Very good

151 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$ 224. However, be on the lookout for offers from American Airlines and Delta, 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 Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl, Toronto Pearson 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$ 326. While the most popular route (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl) can be booked for C$ 348 on average our data indicates C$ 554 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

Pierre Elliott Trudeau Intl to Luis Munoz Marin Intl flights

Pearson Intl to Luis Munoz Marin Intl flights

Toronto Island to Luis Munoz Marin Intl flights

Vancouver Intl to Luis Munoz Marin Intl flights

Edmonton to Luis Munoz Marin Intl flights

Québec City to Luis Munoz Marin Intl flights

Ottawa to Luis Munoz Marin Intl flights

Calgary to Luis Munoz Marin Intl flights

Halifax to Luis Munoz Marin Intl flights

Winnipeg to Luis Munoz Marin Intl flights

Pearson Intl to Culebra flights

Ottawa to Aguadilla flights

Pierre Elliott Trudeau Intl to Culebra flights

Pierre Elliott Trudeau Intl to Vieques flights

Pierre Elliott Trudeau Intl to Aguadilla flights

Pearson Intl to Aguadilla 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

Gobernador Piñero car rentals

Hato Rey Norte car rentals

Top 6 airlines flying from Ontario to San Juan

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 270	AverageC$ 472	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 287	AverageC$ 711	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 430	AverageC$ 538	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 447	AverageC$ 742	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 478	AverageC$ 776	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
WestJet Encore	CheapestC$ 774	AverageC$ 802	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$ 219

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 9/9. 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 29 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 29 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 29 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 29 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?

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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 29 April 2025.