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Cheap flights from Montreal to Puerto Rico from C$ 250

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJU
27 Jun — 4 Jul1
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 28 May 2026.

Wed 23/96:00 a.m.
YUL
-
SJU
1 stop7h 53m
United Airlines
Sat 26/91:25 p.m.
SJU
-
YUL
1 stop8h 41m
United Airlines
Deal found 27/5C$ 408
Wed 23/97:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Sun 4/104:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 26/5C$ 437
Wed 19/87:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Sun 30/84:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 24/5C$ 438
Fri 25/97:00 a.m.
YUL
-
SJU
1 stop9h 20m
Arajet
Sun 4/104:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 25/5C$ 440
Wed 19/87:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Sun 6/94:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 23/5C$ 441
Sat 7/117:30 a.m.
YUL
-
SJU
1 stop15h 17m
American Airlines
Sat 14/116:25 a.m.
SJU
-
YUL
1 stop6h 50m
American Airlines
Deal found 26/5C$ 447
Wed 23/97:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Tue 29/94:30 p.m.
SJU
-
YUL
1 stop7h 50m
Arajet
Deal found 25/5C$ 448
Fri 18/97:00 a.m.
YUL
-
SJU
1 stop9h 20m
Arajet
Tue 29/94:30 p.m.
SJU
-
YUL
1 stop7h 50m
Arajet
Deal found 24/5C$ 449
Tue 22/95:34 p.m.
YUL
-
SJU
2 stops20h 20m
American Airlines
Tue 6/108:35 a.m.
SJU
-
YUL
1 stop14h 09m
American Airlines
Deal found 25/5C$ 452
Fri 21/87:00 a.m.
YUL
-
SJU
1 stop9h 20m
Arajet
Sun 30/84:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 25/5C$ 494
Wed 19/89:45 a.m.
YUL
-
SJU
1 stop28h 59m
Multiple Airlines
Sun 30/84:00 p.m.
SJU
-
YUL
1 stop8h 20m
Multiple Airlines
Deal found 24/5C$ 514
Tue 25/87:55 a.m.
YUL
-
SJU
2 stops14h 00m
American Airlines
Wed 26/86:00 a.m.
SJU
-
YUL
1 stop17h 26m
American Airlines
Deal found 24/5C$ 518

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 28 May 2026.

Round-trip from

C$ 408

One-way from

C$ 250

Popular in

December

Cheapest in

October

Average price

C$ 661

Good round-trip deal

C$ 448 or less
United Airlines
  • United Airlines
  • 23/9-26/9
  • 2 total stops
  • 16h 34m total
  • Montreal to Puerto Rico
Search Deals
Lufthansa
  • Lufthansa
  • 8/9
  • 1 total stop
  • 8h 25m total
  • Montreal to Puerto Rico
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 28 May 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 - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

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

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Sat 26/9

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

1 stop8h 41m

C$ 408
Quickest round-trip

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Tue 20/10

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

1 stop8h 41m

C$ 541

MontrealAguadilla

YUL - BQN

YULBQN

Montreal Pierre Elliott Trudeau Intl

Sun 1/11

11:00 a.m.-11:57 p.m.

1 stop11h 57m

Aguadilla Borinquen

Sat 14/11

1:09 a.m.-1:10 p.m.

1 stop13h 01m

C$ 543

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Fri 20/11

8:10 p.m.-2:25 p.m.

1 stop17h 15m

San Juan Luis Munoz Marin Intl

Fri 4/12

3:20 p.m.-12:33 a.m.

1 stop10h 13m

C$ 564

MontrealAguadilla

YUL - BQN

YULBQN

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:00 a.m.-11:09 p.m.

1 stop17h 09m

Aguadilla Borinquen

Thu 24/9

12:15 a.m.-1:09 p.m.

1 stop12h 54m

C$ 648

MontrealAguadilla

YUL - BQN

YULBQN

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

9:30 p.m.-11:09 p.m.

2 stops25h 39m

Aguadilla Borinquen

Tue 28/7

12:15 a.m.-5:52 p.m.

2 stops17h 37m

C$ 671

MontrealSan Juan

YUL - SJU

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 3/10

1:00 a.m.-10:06 p.m.

1 stop21h 06m

C$ 676

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

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

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Sun 4/10

1:00 a.m.-10:06 p.m.

1 stop21h 06m

C$ 716

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Sun 4/10

1:00 a.m.-10:06 p.m.

1 stop21h 06m

C$ 716

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

2:20 p.m.-9:24 p.m.

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Tue 28/7

7:40 a.m.-5:30 p.m.

1 stop9h 50m

C$ 726

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/5

Showing 1-10 of 30 resultsSorted by cheapest first
1
2
3

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, May is the cheapest month in which you can book a flight from Montreal to Puerto Rico (average of C$ 163). Flying from Montreal to Puerto Rico in June is currently the most expensive (average of C$ 453). 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 151 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 71 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 28 May 2026.
Get a feel of what it's like to fly with Air Transat,United Airlines, andWestJet 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.
Air Transat
7.8
Good
553 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Comfort

7.3

Crew

8.5

Food

6.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.8
Good
553 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Comfort

7.3

Crew

8.5

Food

6.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
United Airlines
7.4
Good
9,751 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Comfort

7.3

Crew

8.5

Food

6.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
WestJet
7.2
Good
3,347 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Comfort

7.3

Crew

8.5

Food

6.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
American Airlines
7.1
Good
11,639 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Comfort

7.3

Crew

8.5

Food

6.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
11,095 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Entertainment

7.1

Boarding

7.9

Comfort

7.3

Crew

8.5

Food

6.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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 7h 53m. Your travel time can differ by up to 4h 04m. 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 American Airlines (C$ 231), United Airlines (C$ 240), and Air Canada (C$ 247).

  • 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 - Aguadilla Borinquen or Montreal Pierre Elliott Trudeau Intl - Culebra as they are the most popular.

  • What are the most reliable airlines from Montreal to Puerto Rico?

    Consider Air Canada (100%), Air Canada Rouge (100%) or Air Transat (67%) when booking your flight. These represent the most reliable airlines when flying from Montreal to Puerto Rico.

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

    On average you can expect to pay C$ 449 for a flight from Montreal to Puerto Rico. The cheapest flight overall is C$ 447 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, May is the cheapest month in which you can book a flight from Montreal to Puerto Rico (average of C$ 163). Flying from Montreal to Puerto Rico in June is currently the most expensive (average of C$ 453). 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

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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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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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapestC$ 286AverageC$ 375FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
American AirlinesCheapestC$ 292AverageC$ 581FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 325AverageC$ 664FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 363AverageC$ 532FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 474AverageC$ 867FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 712AverageC$ 912FlexibilityNo 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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