Find flights
Deals
When to book
FAQs

Cheap flights from Puerto Rico to Ontario from C$ 153

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — YYZ
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Puerto Rico to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Puerto Rico to Ontario
Explore the most affordable flight options available from Puerto Rico to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 August 2026.

Tue 20/104:30 p.m. -
1 stop7h 25m
Fri 30/106:30 a.m. -
1 stop9h 50m
Deal found 3/8C$ 328
Thu 5/114:24 p.m. -
1 stop8h 26m
Wed 11/116:30 a.m. -
1 stop7h 28m
Deal found 3/8C$ 376
Fri 18/97:00 a.m. -
1 stop13h 55m
Sat 26/912:40 p.m. -
1 stop6h 50m
Deal found 2/8C$ 387
Thu 10/97:00 a.m. -
1 stop13h 55m
Sun 13/96:30 a.m. -
1 stop31h 04m
Deal found 7/8C$ 430
Thu 17/97:00 a.m. -
1 stop13h 55m
Thu 24/91:30 p.m. -
1 stop24h 04m
Deal found 3/8C$ 454
Mon 16/116:12 p.m. -
1 stop25h 53m
Thu 19/117:35 a.m. -
1 stop16h 03m
Deal found 4/8C$ 457
Mon 14/96:42 p.m. -
1 stop21h 58m
Sat 26/912:40 p.m. -
1 stop6h 50m
Deal found 7/8C$ 468
Mon 21/97:00 a.m. -
1 stop13h 55m
Wed 30/96:30 a.m. -
1 stop8h 04m
Deal found 2/8C$ 474
Thu 12/114:24 p.m. -
1 stop8h 26m
Tue 17/1110:40 a.m. -
1 stop13h 17m
Deal found 5/8C$ 475
Mon 16/116:12 p.m. -
1 stop25h 53m
Mon 23/1111:15 a.m. -
1 stop10h 35m
Deal found 4/8C$ 502
Sat 19/91:25 p.m. -
1 stop8h 41m
Wed 23/96:00 a.m. -
1 stop7h 53m
Deal found 2/8C$ 523
Sun 13/94:00 p.m. -
1 stop8h 20m
Fri 18/97:00 a.m. -
1 stop9h 20m
Deal found 5/8C$ 556

Find flight deals from Puerto Rico to Ontario

Keep the following information in mind while searching for Puerto Rico to Ontario flight deals. Data was last updated 7 August 2026.

Round-trip from

C$ 328

One-way from

C$ 153

Popular in

August

Cheapest in

December

Average price

C$ 1,022

Good one-way deal

C$ 350 or less
Arajet
  • Arajet
  • 20/10-30/10
  • 2 total stops
  • 17h 15m total
  • Puerto Rico to Ontario
Search Deals
Arajet
  • Arajet
  • 12/11
  • 1 total stop
  • 8h 26m total
  • Puerto Rico to Ontario
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a one-way flight from Puerto Rico to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico to Ontario 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 7 August 2026.
Use the filters below to find and compare flights from Puerto Rico to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanMontreal

SJU San Juan Luis Munoz Marin Intl - YUL Montreal Pierre Elliott Trudeau Intl

SJUYUL

San Juan Luis Munoz Marin Intl

Sat 19/9

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

1 stop8h 41m

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

6:00 a.m.-1:53 p.m.

1 stop7h 53m

C$ 523

San JuanToronto

SJU San Juan Luis Munoz Marin Intl - YYZ Toronto Pearson Intl

SJUYYZ

San Juan Luis Munoz Marin Intl

Thu 17/9

1:00 a.m.-9:19 a.m.

1 stop8h 19m

Toronto Pearson Intl

Sun 4/10

6:10 a.m.-3:42 p.m.

1 stop9h 32m

C$ 524

San JuanToronto

SJU San Juan Luis Munoz Marin Intl - YYZ Toronto Pearson Intl

SJUYYZ

San Juan Luis Munoz Marin Intl

Sat 10/10

3:56 p.m.-11:59 p.m.

1 stop8h 03m

Toronto Pearson Intl

Sat 17/10

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

1 stop7h 44m

C$ 537

San JuanToronto

SJU San Juan Luis Munoz Marin Intl - YYZ Toronto Pearson Intl

SJUYYZ

San Juan Luis Munoz Marin Intl

Fri 2/10

1:00 a.m.-9:19 a.m.

1 stop8h 19m

Toronto Pearson Intl

Mon 5/10

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

1 stop7h 44m

C$ 537

San JuanToronto

SJU San Juan Luis Munoz Marin Intl - YYZ Toronto Pearson Intl

SJUYYZ

San Juan Luis Munoz Marin Intl

Fri 18/9

3:41 p.m.-10:39 p.m.

1 stop6h 58m

Toronto Pearson Intl

Sat 26/9

8:00 a.m.-8:47 p.m.

2 stops12h 47m

C$ 541

San JuanMontreal

SJU San Juan Luis Munoz Marin Intl - YUL Montreal Pierre Elliott Trudeau Intl

SJUYUL

San Juan Luis Munoz Marin Intl

Tue 15/9

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

1 stop8h 41m

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

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

1 stop7h 45m

C$ 576

San JuanOttawa

SJU San Juan Luis Munoz Marin Intl - YOW Ottawa

SJUYOW

San Juan Luis Munoz Marin Intl

Wed 4/11

1:00 p.m.-9:56 p.m.

1 stop9h 56m

Ottawa

Mon 9/11

3:10 p.m.-12:36 a.m.

1 stop8h 26m

C$ 593

San JuanOttawa

SJU San Juan Luis Munoz Marin Intl - YOW Ottawa

SJUYOW

San Juan Luis Munoz Marin Intl

Sat 19/9

1:00 a.m.-9:11 a.m.

1 stop8h 11m

Ottawa

Wed 23/9

6:05 a.m.-1:53 p.m.

1 stop7h 48m

C$ 593

San JuanToronto

SJU San Juan Luis Munoz Marin Intl - YYZ Toronto Pearson Intl

SJUYYZ

San Juan Luis Munoz Marin Intl

Thu 10/9

1:00 a.m.-7:53 p.m.

2 stops18h 53m

Toronto Pearson Intl

Sat 19/9

12:40 p.m.-7:30 p.m.

1 stop6h 50m

C$ 596

San JuanToronto

SJU San Juan Luis Munoz Marin Intl - YYZ Toronto Pearson Intl

SJUYYZ

San Juan Luis Munoz Marin Intl

Sun 4/10

4:06 p.m.-10:33 p.m.

1 stop6h 27m

Toronto Pearson Intl

Sat 10/10

8:00 a.m.-10:57 p.m.

1 stop14h 57m

C$ 612

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 51 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Puerto Rico to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Puerto Rico 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 Puerto Rico to Ontario

What is the cheapest month to book a flight from Puerto Rico to Region of Ontario?

Currently, December is the cheapest month in which you can book a flight from Puerto Rico to Region of Ontario (average of C$ 426). Flying from Puerto Rico to Region of Ontario in June is currently the most expensive (average of C$ 1,069). 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.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Ontario. 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 Puerto Rico to Region of Ontario?

    A quick flight from Puerto Rico to Region of Ontario can take about 8h 41m. United Airlines provides one of the quickest options available for as low as C$ 523. The distance between Puerto Rico and Region of Ontario is about 3087 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Puerto Rico to Region of Ontario one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 191. However, be on the lookout for offers from American Airlines and WestJet, as they are both options that can get you from Puerto Rico to Region of Ontario for a low price.

  • Can I find deals for flights from Puerto Rico to Ontario that include hotel bookings?

    Yes. In addition to deals on Puerto Rico to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Puerto Rico to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Ontario.

  • Can I find deals for business class flights from Puerto Rico to Ontario?

    Yes. Cheapflights offers flight deals from Puerto Rico to Ontario 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 Puerto Rico to Region of Ontario?

    Currently, December is the cheapest month in which you can book a flight from Puerto Rico to Region of Ontario (average of C$ 426). Flying from Puerto Rico to Region of Ontario in June is currently the most expensive (average of C$ 1,069). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Puerto Rico to Ontario?

Cheapflights helps you search for flights from Puerto Rico to Ontario 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 Puerto Rico to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Puerto Rico by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Puerto Rico to Ontario with no change fees?

Yes, we can. To see specific flights from Puerto Rico to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Puerto Rico to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.