How long is the flight from Region of Ontario to Puerto Rico?

A quick flight from Region of Ontario to Puerto Rico can take about 6h 37m. United Airlines provides one of the quickest options available for as low as C$ 449. Region of Ontario and Puerto Rico are separated by a distance of 3080 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

The cheapest airlines for a one-way flight from Region of Ontario to Puerto Rico are Arajet (C$ 172), WestJet (C$ 184), and Air Canada (C$ 252).

In terms of precipitation, rainfall in Puerto Rico 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 Puerto Rico when rainfall is around 55.0 mm.

If weather is an important factor for your trip to Puerto Rico, 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).

What is the cheapest time of day to fly from ON to PR?

When flying from Region of Ontario to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Ontario to Puerto Rico 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$ 250+ Cheap Flights from Ontario to Puerto Rico

Cheap flight deals from Ontario to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ontario to Puerto Rico
Explore the most affordable flight options available from Ontario to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Tue 8/122:57 p.m. -

1 stop8h 39m

Sat 12/122:05 a.m. -

1 stop8h 09m

Deal found 5/10C$ 449

Tue 8/122:57 p.m. -

1 stop8h 39m

Tue 15/122:52 p.m. -

1 stop7h 32m

Deal found 3/10C$ 451

Thu 29/102:57 p.m. -

1 stop8h 39m

Wed 4/112:05 a.m. -

1 stop8h 09m

Deal found 1/10C$ 459

Sat 7/117:50 a.m. -

Nonstop4h 40m

Fri 13/118:25 a.m. -

1 stop13h 50m

Deal found 3/10C$ 469

Thu 29/102:45 p.m. -

1 stop6h 37m

Sat 31/102:05 a.m. -

1 stop8h 09m

Deal found 2/10C$ 471

Tue 3/117:30 a.m. -

1 stop15h 29m

Tue 10/113:52 p.m. -

1 stop8h 54m

Deal found 6/10C$ 478

Sat 14/113:10 p.m. -

1 stop8h 26m

Wed 2/128:05 a.m. -

1 stop8h 02m

Deal found 2/10C$ 479

Sat 14/113:10 p.m. -

1 stop8h 26m

Thu 3/128:05 a.m. -

1 stop8h 02m

Deal found 3/10C$ 481

Sat 3/103:00 p.m. -

1 stop8h 50m

Fri 13/112:05 a.m. -

1 stop8h 09m

Deal found 3/10C$ 481

Wed 18/1110:59 a.m. -

1 stop12h 00m

Mon 23/118:30 a.m. -

1 stop16h 17m

Deal found 5/10C$ 482

Tue 8/126:00 a.m. -

1 stop6h 54m

Tue 15/1211:34 a.m. -

2 stops11h 10m

Deal found 5/10C$ 483

Sat 14/113:10 p.m. -

1 stop8h 26m

Fri 4/122:52 p.m. -

1 stop8h 04m

Deal found 2/10C$ 523

Best flights from Ontario to Puerto Rico
Discover carefully curated flight deals from Ontario to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Wed 3/22:45 p.m. -

1 stop6h 37m

Fri 12/22:05 a.m. -

1 stop8h 24m

Deal found 5/10C$ 449

Mon 25/12:43 p.m. -

1 stop8h 53m

Fri 29/12:25 p.m. -

Nonstop5h 00m

Deal found 2/10C$ 476

Sat 23/19:15 a.m. -

2 stops14h 21m

Mon 1/22:05 a.m. -

2 stops13h 37m

Deal found 6/10C$ 609

Wed 18/112:00 p.m. -

1 stop7h 22m

Thu 3/128:05 a.m. -

1 stop8h 02m

Deal found 2/10C$ 479

Sat 17/103:00 p.m. -

1 stop8h 50m

Tue 20/101:00 a.m. -

1 stop8h 19m

Deal found 5/10C$ 509

Wed 18/116:00 a.m. -

1 stop6h 32m

Fri 4/121:00 p.m. -

1 stop9h 56m

Deal found 2/10C$ 523

Sat 23/13:20 p.m. -

2 stops19h 30m

Tue 2/22:05 a.m. -

2 stops13h 37m

Deal found 5/10C$ 686

Sun 15/116:00 a.m. -

1 stop6h 32m

Fri 4/121:00 p.m. -

1 stop9h 56m

Deal found 2/10C$ 523

Sat 14/112:57 p.m. -

1 stop8h 39m

Sat 21/114:55 p.m. -

1 stop8h 04m

Deal found 2/10C$ 568

Mon 26/106:00 a.m. -

1 stop17h 36m

Wed 28/101:05 a.m. -

2 stops13h 02m

Deal found 5/10C$ 756

Sat 23/17:10 a.m. -

1 stop24h 34m

Wed 3/211:45 a.m. -

1 stop12h 05m

Deal found 4/10C$ 860

Sat 30/110:53 a.m. -

1 stop9h 07m

Sat 6/22:05 a.m. -

1 stop8h 09m

Deal found 3/10C$ 575

Wed 2/1210:45 a.m. -

2 stops10h 37m

Sat 5/122:05 a.m. -

2 stops10h 46m

Deal found 5/10C$ 784

Sat 23/17:10 a.m. -

1 stop24h 34m

Tue 2/25:01 a.m. -

1 stop10h 04m

Deal found 5/10C$ 904

Sat 23/12:45 p.m. -

1 stop6h 37m

Sat 6/22:05 a.m. -

1 stop8h 09m

Deal found 3/10C$ 575

Mon 1/312:45 p.m. -

1 stop10h 12m

Sat 6/31:09 a.m. -

1 stop11h 39m

Deal found 5/10C$ 796

Thu 19/116:00 a.m. -

1 stop6h 32m

Thu 3/128:05 a.m. -

1 stop8h 02m

Deal found 2/10C$ 595

Wed 9/1212:10 p.m. -

1 stop9h 05m

Sat 12/126:15 a.m. -

1 stop8h 18m

Deal found 2/10C$ 963

Wed 31/35:30 a.m. -

2 stops15h 08m

Sun 11/41:25 p.m. -

1 stop9h 04m

Deal found 5/10C$ 821

Mon 26/106:00 a.m. -

1 stop7h 11m

Thu 29/107:05 a.m. -

1 stop8h 02m

Deal found 5/10C$ 636

Fri 27/112:20 p.m. -

1 stop9h 20m

Sun 6/126:15 a.m. -

1 stop8h 18m

Deal found 2/10C$ 1,065

Tue 3/118:30 a.m. -

2 stops15h 06m

Tue 10/118:05 a.m. -

1 stop11h 52m

Deal found 1/10C$ 938

Thu 4/210:53 a.m. -

1 stop9h 07m

Fri 12/22:05 a.m. -

1 stop8h 24m

Deal found 3/10C$ 652

Sun 3/12:57 p.m. -

1 stop8h 39m

Thu 14/12:05 a.m. -

1 stop8h 24m

Deal found 1/10C$ 659

Fri 4/128:30 p.m. -

1 stop17h 25m

Sat 12/123:50 p.m. -

1 stop17h 02m

Deal found 30/9C$ 1,007

Thu 14/13:10 p.m. -

1 stop8h 26m

Sat 23/18:05 a.m. -

1 stop8h 02m

Deal found 5/10C$ 713

Wed 24/36:00 a.m. -

2 stops19h 42m

Wed 31/37:00 a.m. -

2 stops15h 21m

Deal found 1/10C$ 1,564

Fri 26/23:50 p.m. -

1 stop13h 25m

Fri 5/32:05 a.m. -

1 stop8h 24m

Deal found 4/10C$ 753

Sat 28/1110:00 a.m. -

1 stop11h 22m

Fri 11/125:50 p.m. -

1 stop7h 02m

Deal found 3/10C$ 753

Tue 9/22:00 p.m. -

1 stop7h 22m

Sat 13/22:05 a.m. -

2 stops12h 05m

Deal found 3/10C$ 820

Find flight deals from Ontario to Puerto Rico

Round-trip from	C$ 449
One-way from	C$ 250
Popular in	July
Cheapest in	September
Average price	C$ 452
Good round-trip deal	C$ 991 or less
Good one-way deal	C$ 296 or less

United Airlines
8/12-11/12
2 total stops
16h 48m total
Ontario to Puerto Rico

Search Deals

Arajet
7/11-31/12
1 total stop
7h 10m total
Ontario to Puerto Rico

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 80 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Ontario to Puerto Rico.

Search Deals

Price to beat on a one-way flight from Ontario to Puerto Rico.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Juan

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

YYZSJU

Toronto Pearson Intl

Sat 14/11

2:57 p.m.-12:36 a.m.

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 275

TorontoSan Juan

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

YYZSJU

Toronto Pearson Intl

Tue 10/11

6:10 a.m.-4:36 p.m.

1 stop9h 26m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 275

TorontoSan Juan

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

YYZSJU

Toronto Pearson Intl

Sat 3/4

3:00 p.m.-11:50 p.m.

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 275

LondonSan Juan

YXU London - SJU San Juan Luis Munoz Marin Intl

YXUSJU

London

Wed 18/11

10:15 a.m.-1:25 p.m.

1 stop26h 10m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 280

TorontoSan Juan

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

YYZSJU

Toronto Pearson Intl

Sat 31/10

10:53 a.m.-8:00 p.m.

1 stop9h 07m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 280

TorontoSan Juan

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

YYZSJU

Toronto Pearson Intl

Tue 17/11

6:10 a.m.-4:36 p.m.

1 stop9h 26m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 281

TorontoSan Juan

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

YYZSJU

Toronto Pearson Intl

Mon 25/1

2:43 p.m.-12:36 a.m.

1 stop8h 53m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 287

TorontoSan Juan

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

YYZSJU

Toronto Pearson Intl

Wed 11/11

2:57 p.m.-12:36 a.m.

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 287

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Mon 16/11

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

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 289

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Tue 17/11

2:00 p.m.-10:22 p.m.

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 291

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ontario to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Ontario with our price prediction graph.

YYZ-SJU

YOW-SJU

YXU-SJU

YTZ-SJU

YYZ-BQN

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 Puerto Rico

CAON-PR0

YYZ-SJU

YOW-SJU

YXU-SJU

YTZ-SJU

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

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Puerto Rico (average of C$ 466). Flying from Region of Ontario to Puerto Rico in February is currently the most expensive (average of C$ 971). 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.

How far ahead should I book a flight from Region of Ontario to Puerto Rico?

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to Puerto Rico. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Region of Ontario to Puerto Rico?
A quick flight from Region of Ontario to Puerto Rico can take about 6h 37m. United Airlines provides one of the quickest options available for as low as C$ 449. Region of Ontario and Puerto Rico are separated by a distance of 3080 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from Region of Ontario to Puerto Rico one-way?
The cheapest airlines for a one-way flight from Region of Ontario to Puerto Rico are Arajet (C$ 172), WestJet (C$ 184), and Air Canada (C$ 252).
Can I find deals for flights from Ontario to Puerto Rico that include hotel bookings?
Yes. In addition to deals on Ontario to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Puerto Rico?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Puerto Rico.
Can I find deals for business class flights from Ontario to Puerto Rico?
Yes. Cheapflights offers flight deals from Ontario to Puerto Rico 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 Puerto Rico?
Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Puerto Rico (average of C$ 466). Flying from Region of Ontario to Puerto Rico in February is currently the most expensive (average of C$ 971). 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

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Alternative routes for Ontario to Puerto Rico

Pearson Intl to Punta Cana flights

Pierre Elliott Trudeau Intl to Punta Cana flights

Pearson Intl to Montego Bay flights

Pearson Intl to Oranjestad flights

Pierre Elliott Trudeau Intl to Pointe-à-Pitre flights

Pierre Elliott Trudeau Intl to Fort-de-France flights

Pearson Intl to Kingston flights

Toronto Island to Punta Cana flights

Pierre Elliott Trudeau Intl to Willemstad flights

Pearson Intl to Bridgetown flights

Pierre Elliott Trudeau Intl to Simpson Bay flights

Pearson Intl to Nassau flights

Pearson Intl to Willemstad flights

Pierre Elliott Trudeau Intl to Santo Domingo flights

Pearson Intl to Port of Spain flights

Pearson Intl to Simpson Bay flights

Pierre Elliott Trudeau Intl to Puerto Plata flights

Pierre Elliott Trudeau Intl to Oranjestad flights

Pearson Intl to Santo Domingo flights

Pearson Intl to Luis Munoz Marin Intl flights

Québec City to Fort-de-France flights

Pierre Elliott Trudeau Intl to Nagua flights

Québec City to Punta Cana flights

Pearson Intl to Castries flights

Pierre Elliott Trudeau Intl to Nassau flights

Pierre Elliott Trudeau Intl to Montego Bay flights

Pierre Elliott Trudeau Intl to Bridgetown flights

Pierre Elliott Trudeau Intl to Luis Munoz Marin Intl flights

Pearson Intl to George Town flights

Ottawa to Punta Cana flights

Pearson Intl to Puerto Plata flights

Pearson Intl to Providenciales flights

Pierre Elliott Trudeau Intl to Providenciales flights

Toronto Island to Montego Bay flights

Pearson Intl to St. George's flights

Halifax to Punta Cana flights

Toronto Island to Kingston flights

Québec City to Pointe-à-Pitre flights

Calgary to Punta Cana flights

Pearson Intl to St. John's flights

Pierre Elliott Trudeau Intl to Port of Spain flights

Vancouver Intl to Punta Cana flights

Québec City to Puerto Plata flights

Toronto Island to Nassau flights

Pearson Intl to Castries flights

Québec City to Willemstad flights

Ottawa to Bridgetown flights

Vancouver Intl to Luis Munoz Marin Intl flights

Toronto Island to Luis Munoz Marin Intl flights

Top 6 airlines flying from Ontario to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Arajet	CheapestC$ 265	AverageC$ 575	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
United Airlines	CheapestC$ 339	AverageC$ 658	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 385	AverageC$ 920	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 390	AverageC$ 1,004	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
American Airlines	CheapestC$ 398	AverageC$ 584	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Delta	CheapestC$ 806	AverageC$ 968	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Puerto Rico?

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Puerto Rico for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Puerto Rico flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Puerto Rico 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.

Cheap flights from Ontario to Puerto Rico from C$ 250

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Puerto Rico

Cheapest flights from Ontario to Puerto RicoExplore the most affordable flight options available from Ontario to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Explore the most affordable flight options available from Ontario to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from Ontario to Puerto RicoDiscover carefully curated flight deals from Ontario to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Discover carefully curated flight deals from Ontario to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Direct flights from Ontario to Puerto RicoExplore direct flight options from Ontario to Puerto Rico based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 October 2026.

Explore direct flight options from Ontario to Puerto Rico based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 October 2026.

Last-minute flights from Ontario to Puerto RicoDiscover last-minute flight deals from Ontario to Puerto Rico. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Puerto Rico. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Ontario to Puerto RicoSearch for one-way flight options from Ontario to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from Ontario to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Find flight deals from Ontario to Puerto Rico

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Ontario with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from Region of Ontario to Puerto Rico?

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to Puerto Rico. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Region of Ontario to Puerto Rico?

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

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

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

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

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

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.

Alternative routes for Ontario to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Ontario to Puerto Rico by cabin class

Find flights from Ontario to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Puerto Rico flights

Browse other Ontario and Puerto Rico flight options. Last updated on 6 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Puerto Rico

Find the right flight back to Ontario after your stay in Puerto Rico

Ontario to Puerto Rico flights

Consider these flights travelling from Ontario to Puerto Rico.

Top 6 airlines flying from Ontario to Puerto Rico

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Puerto Rico?

Why should you use Cheapflights to find cheap flight tickets from Ontario to Puerto Rico?

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Ontario to Puerto Rico
Explore the most affordable flight options available from Ontario to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from Ontario to Puerto Rico
Discover carefully curated flight deals from Ontario to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Direct flights from Ontario to Puerto Rico
Explore direct flight options from Ontario to Puerto Rico based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 October 2026.

Last-minute flights from Ontario to Puerto Rico
Discover last-minute flight deals from Ontario to Puerto Rico. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Ontario to Puerto Rico
Search for one-way flight options from Ontario to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.