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Cheap flights from Montreal to Puerto Rico from C$ 221

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJU
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 January 2026.

Round-trip from

C$ 394

One-way from

C$ 221

Popular in

December

Cheapest in

October

Average price

C$ 665

Good round-trip deal

C$ 697 or less

Good one-way deal

C$ 314 or less
United Airlines
  • United Airlines
  • 11/4-22/4
  • 2 total stops
  • 18h 29m total
  • Montreal to Puerto Rico
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United Airlines
  • United Airlines
  • 18/5
  • 1 total stop
  • 7h 45m total
  • Montreal to Puerto Rico
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Montreal (YMQ) to Puerto Rico.
Search Deals
Price to beat on a one-way flight from Montreal (YMQ) to Puerto Rico.
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Find 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 January 2026.

Sat 11/49:45 a.m.YUL - SJU
1 stop10h 49mUnited Airlines
Wed 22/47:20 a.m.SJU - YUL
1 stop7h 40mUnited Airlines
Deal found 7/1C$ 394
Sat 25/46:10 a.m.YUL - SJU
1 stop8h 34mUnited Airlines
Sat 2/51:25 p.m.SJU - YUL
1 stop8h 15mUnited Airlines
Deal found 6/1C$ 397
Mon 16/27:30 a.m.YUL - SJU
1 stop15h 10mAmerican Airlines
Wed 25/23:51 p.m.SJU - YUL
1 stop7h 53mAmerican Airlines
Deal found 6/1C$ 402
Sat 24/112:59 p.m.YUL - SJU
2 stops10h 00mAmerican Airlines
Tue 3/26:05 a.m.SJU - YUL
1 stop10h 03mAmerican Airlines
Deal found 6/1C$ 404
Mon 23/27:12 a.m.YUL - SJU
1 stop13h 37mAmerican Airlines
Sat 28/26:33 a.m.SJU - YUL
1 stop9h 31mAmerican Airlines
Deal found 6/1C$ 405
Tue 24/23:00 p.m.YUL - SJU
1 stop8h 36mUnited Airlines
Wed 4/38:05 a.m.SJU - YUL
1 stop8h 11mUnited Airlines
Deal found 6/1C$ 406
Sun 19/48:30 a.m.YUL - SJU
1 stop12h 04mMultiple Airlines
Sun 26/44:00 p.m.SJU - YUL
1 stop8h 20mMultiple Airlines
Deal found 6/1C$ 412
Fri 1/54:45 p.m.YUL - SJU
1 stop21h 59mMultiple Airlines
Sun 10/54:00 p.m.SJU - YUL
1 stop8h 20mMultiple Airlines
Deal found 7/1C$ 413
Sat 21/36:45 a.m.YUL - SJU
2 stops13h 10mMultiple Airlines
Sun 5/44:00 p.m.SJU - YUL
1 stop8h 20mMultiple Airlines
Deal found 6/1C$ 415
Wed 21/17:30 a.m.YUL - SJU
1 stop8h 00mAmerican Airlines
Fri 23/12:28 p.m.SJU - YUL
1 stop9h 31mAmerican Airlines
Deal found 7/1C$ 416
Wed 21/17:30 a.m.YUL - SJU
1 stop8h 00mAmerican Airlines
Tue 27/17:00 a.m.SJU - YUL
1 stop9h 20mAmerican Airlines
Deal found 5/1C$ 417
Thu 19/23:00 p.m.YUL - BQN
1 stop7h 57mUnited Airlines
Wed 25/21:09 a.m.BQN - YUL
1 stop8h 23mUnited Airlines
Deal found 5/1C$ 709

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 January 2026.
Use the filters below to find and compare flights from Montreal to Puerto Rico that are best for you.

Fly from

Montreal

Fly to

Puerto Rico

Route

Depart

Return

Price

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

3:41 p.m.-11:50 p.m.

1 stop8h 09m

San Juan Luis Munoz Marin Intl

Tue 21/4

7:20 a.m.-3:00 p.m.

1 stop7h 40m

C$ 394

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

3:41 p.m.-11:50 p.m.

1 stop8h 09m

San Juan Luis Munoz Marin Intl

Tue 21/4

7:20 a.m.-3:00 p.m.

1 stop7h 40m

C$ 394

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

9:45 a.m.-8:34 p.m.

1 stop10h 49m

San Juan Luis Munoz Marin Intl

Wed 22/4

7:20 a.m.-3:00 p.m.

1 stop7h 40m

C$ 394

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Wed 22/4

7:20 a.m.-3:00 p.m.

1 stop7h 40m

C$ 394

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 25/4

6:10 a.m.-2:44 p.m.

1 stop8h 34m

San Juan Luis Munoz Marin Intl

Sat 2/5

1:25 p.m.-9:40 p.m.

1 stop8h 15m

C$ 397

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Sat 2/5

1:25 p.m.-9:40 p.m.

1 stop8h 15m

C$ 397

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

9:45 a.m.-8:34 p.m.

1 stop10h 49m

San Juan Luis Munoz Marin Intl

Thu 23/4

4:55 p.m.-12:13 a.m.

1 stop7h 18m

C$ 444

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

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

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Wed 22/4

7:20 a.m.-3:00 p.m.

1 stop7h 40m

C$ 444

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

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

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Thu 23/4

4:55 p.m.-12:13 a.m.

1 stop7h 18m

C$ 444

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Tue 21/4

7:20 a.m.-3:00 p.m.

1 stop7h 40m

C$ 459

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 31 results
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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, October is the cheapest month in which you can book a flight from Montreal to Puerto Rico (average of C$ 245). Flying from Montreal to Puerto Rico in June is currently the most expensive (average of C$ 676). 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 22% of weekly flights between Montreal and Puerto Rico have experienced delays in the past year, with the average delay time being 96 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 Transat has had the lowest number of delays on this route, with just 6% of flights being delayed.

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 January 2026.
Get a feel of what it's like to fly with Air Transat,United Airlines, 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.
Air Transat
7.7
Good
491 reviews
Check prices

Comfort

7.3

Overall

7.7

Food

6.7

Crew

8.4

Boarding

7.9

Entertainment

7.0

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
7.7
Good
491 reviews
Air Transat
7.7
Good
491 reviews
Check prices

Comfort

7.3

Overall

7.7

Food

6.7

Crew

8.4

Boarding

7.9

Entertainment

7.0

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
9,138 reviews
Air Transat
7.7
Good
491 reviews
Check prices

Comfort

7.3

Overall

7.7

Food

6.7

Crew

8.4

Boarding

7.9

Entertainment

7.0

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
7.2
Good
11,090 reviews
Air Transat
7.7
Good
491 reviews
Check prices

Comfort

7.3

Overall

7.7

Food

6.7

Crew

8.4

Boarding

7.9

Entertainment

7.0

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
3,235 reviews
Air Transat
7.7
Good
491 reviews
Check prices

Comfort

7.3

Overall

7.7

Food

6.7

Crew

8.4

Boarding

7.9

Entertainment

7.0

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
10,600 reviews
Air Transat
7.7
Good
491 reviews
Check prices

Comfort

7.3

Overall

7.7

Food

6.7

Crew

8.4

Boarding

7.9

Entertainment

7.0

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 8h 09m. Your travel time can differ by up to 8h 48m. 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 Air Transat (C$ 225), American Airlines (C$ 226), and United Airlines (C$ 226).

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

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

    Consider Porter Airlines (100%), Air Transat (100%) or Air Canada (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$ 866 for a flight from Montreal to Puerto Rico. The cheapest flight overall is C$ 313 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl) is currently priced at C$ 286.

  • 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, October is the cheapest month in which you can book a flight from Montreal to Puerto Rico (average of C$ 245). Flying from Montreal to Puerto Rico in June is currently the most expensive (average of C$ 676). 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 7 January 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapestC$ 287AverageC$ 339FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
Air CanadaCheapestC$ 371AverageC$ 659FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 381AverageC$ 560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 389AverageC$ 602FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 474AverageC$ 881FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 647AverageC$ 794FlexibilityNo 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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