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Cheap flights from Montreal to Puerto Rico from C$ 223

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJU
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Puerto Rico

Enter your travel dates to find the best prices.

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

Thu 17/96:00 a.m. -
1 stop7h 45m
Sat 26/91:25 p.m. -
1 stop8h 41m
Deal found 4/8C$ 384
Sat 19/93:25 p.m. -
1 stop8h 25m
Sat 26/91:25 p.m. -
1 stop8h 41m
Deal found 5/8C$ 408
Tue 27/103:00 p.m. -
1 stop8h 36m
Wed 4/118:05 a.m. -
1 stop8h 11m
Deal found 7/8C$ 409
Wed 21/107:26 a.m. -
1 stop7h 35m
Sat 31/107:30 a.m. -
1 stop14h 00m
Deal found 6/8C$ 440
Tue 6/107:26 a.m. -
1 stop8h 02m
Sat 17/103:51 p.m. -
1 stop7h 01m
Deal found 3/8C$ 447
Tue 15/97:29 a.m. -
2 stops13h 18m
Tue 22/911:51 a.m. -
2 stops11h 01m
Deal found 4/8C$ 451
Wed 16/97:00 a.m. -
1 stop7h 34m
Sun 27/94:00 p.m. -
1 stop8h 20m
Deal found 5/8C$ 457
Wed 16/97:00 a.m. -
1 stop7h 34m
Tue 29/94:30 p.m. -
1 stop7h 50m
Deal found 5/8C$ 465
Sat 7/112:13 p.m. -
1 stop7h 09m
Sat 14/118:05 a.m. -
1 stop8h 11m
Deal found 2/8C$ 481
Wed 2/96:00 a.m. -
1 stop7h 45m
Wed 9/91:25 p.m. -
1 stop8h 41m
Deal found 5/8C$ 482
Sat 29/81:10 p.m. -
1 stop9h 59m
Fri 4/912:15 a.m. -
1 stop7h 23m
Deal found 6/8C$ 544
Sat 7/111:10 p.m. -
1 stop9h 47m
Fri 13/111:09 a.m. -
1 stop11h 48m
Deal found 6/8C$ 660

Find flight deals from Montreal to Puerto Rico

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

Round-trip from

C$ 384

One-way from

C$ 223

Popular in

August

Cheapest in

October

Average price

C$ 978

Good round-trip deal

C$ 444 or less
Lufthansa
  • Lufthansa
  • 17/9-26/9
  • 2 total stops
  • 16h 26m total
  • Montreal to Puerto Rico
Search Deals
Arajet
  • Arajet
  • 16/9
  • 1 total stop
  • 7h 34m total
  • Montreal to Puerto Rico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Montreal (YMQ) to Puerto Rico.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Puerto Rico 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 Montreal to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

3:25 p.m.-11:50 p.m.

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Sat 26/9

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

1 stop8h 41m

C$ 408

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Fri 25/9

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

1 stop8h 41m

C$ 486

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

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

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Fri 25/9

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

1 stop8h 41m

C$ 486

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Fri 30/10

12:00 p.m.-9:42 p.m.

1 stop9h 42m

C$ 488

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

2:13 p.m.-10:22 p.m.

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Sat 14/11

8:05 a.m.-3:16 p.m.

1 stop8h 11m

C$ 532

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

2:13 p.m.-10:22 p.m.

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Mon 9/11

8:05 a.m.-3:16 p.m.

1 stop8h 11m

C$ 546

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

7:00 a.m.-1:40 p.m.

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Sat 31/10

7:05 a.m.-3:16 p.m.

1 stop8h 11m

C$ 553

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 25/10

7:00 a.m.-1:40 p.m.

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Thu 29/10

7:05 a.m.-3:16 p.m.

1 stop8h 11m

C$ 591
Quickest round-trip

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 1/12

2:20 p.m.-10:22 p.m.

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Tue 8/12

8:30 a.m.-3:02 p.m.

1 stop7h 32m

C$ 601

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

3:25 p.m.-11:50 p.m.

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Wed 4/11

8:05 a.m.-3:16 p.m.

1 stop8h 11m

C$ 622

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 26 resultsSorted by cheapest first
1
2
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Best time to book a flight from Montreal to Puerto Rico

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

What is the cheapest month to book a flight from Montreal to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Montreal to Puerto Rico (average of C$ 427). Flying from Montreal to Puerto Rico in December is currently the most expensive (average of C$ 1,061). 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 often are flights from Montreal to Puerto Rico delayed?

About 6% of weekly flights between Montreal and Puerto Rico have experienced delays in the past year, with the average delay time being 148 minutes.

What is the most punctual flight time for Montreal to Puerto Rico flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to Puerto Rico flights?

Over the past year, Air Canada Rouge has had the lowest number of delays on this route, with just 9% of flights being delayed.

How far ahead should I book a flight from Montreal to Puerto Rico?

The best time to book flights from Montreal to Puerto Rico is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated 7 August 2026.
Get a feel of what it's like to fly with United Airlines,WestJet, andAmerican Airlines from Montreal to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,086 reviews
Check prices

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
10,086 reviews
United Airlines
7.4
Good
10,086 reviews
Check prices

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,426 reviews
United Airlines
7.4
Good
10,086 reviews
Check prices

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
American Airlines
7.1
Good
11,883 reviews
United Airlines
7.4
Good
10,086 reviews
Check prices

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
11,449 reviews
United Airlines
7.4
Good
10,086 reviews
Check prices

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Montreal to Puerto Rico. 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 Montreal to Puerto Rico?

    United Airlines and Air Canada can get you from Montreal to Puerto Rico in just under 8h 25m. Your travel time can differ by up to 1h 22m. The distance from Montreal to Puerto Rico is about 3087 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Montreal to Puerto Rico one-way?

    The cheapest airlines for a one-way flight from Montreal to Puerto Rico are Arajet (C$ 183), American Airlines (C$ 235), and United Airlines (C$ 243).

  • What are the most popular routes from Montreal to Puerto Rico?

    When deciding which route to take from Montreal to Puerto Rico consider Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl, Montreal Pierre Elliott Trudeau Intl - Vieques or Montreal Pierre Elliott Trudeau Intl - Culebra as they are the most popular.

  • What are the cheapest flights from Montreal to Puerto Rico?

    On average you can expect to pay C$ 477 for a flight from Montreal to Puerto Rico. The cheapest flight overall is C$ 443 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl) is currently priced at C$ 408.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montreal 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 Montreal to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Montreal to Puerto Rico (average of C$ 427). Flying from Montreal to Puerto Rico in December is currently the most expensive (average of C$ 1,061). 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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Alternative routes for Montreal to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Pierre Elliott Trudeau Intl to Gustavia flights

Top 6 airlines flying from Montreal to Puerto Rico

Discover the top 6 airlines that operate flights from Montreal to Puerto Rico. 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 7 August 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapestC$ 290AverageC$ 392FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
Air CanadaCheapestC$ 295AverageC$ 593FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 323AverageC$ 879FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 410AverageC$ 596FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 542AverageC$ 918FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 785AverageC$ 935FlexibilityNo cancel feeOn-time60%
Search WestJet 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 Montreal to Puerto Rico?

Deals for Montreal to Puerto Rico flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Montreal to Puerto Rico for you. Better yet — we are completely free to use.

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

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

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

Yes, Cheapflights offers price alerts on Montreal to Puerto Rico flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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