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Cheap flights from Montreal to Puerto Rico from C$ 209

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJU
17 Jan — 24 Jan1
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 18 December 2025.

Mon 22/122:13 p.m.YUL - SJU
1 stop7h 09mUnited Airlines
Wed 31/127:00 a.m.SJU - YUL
1 stop7h 28mUnited Airlines
Deal found 17/12C$ 620
Mon 22/122:13 p.m.YUL - SJU
1 stop7h 09mUnited Airlines
Thu 1/17:00 a.m.SJU - YUL
1 stop7h 28mUnited Airlines
Deal found 17/12C$ 671
Tue 16/123:50 p.m.YUL - SJU
2 stops19h 09mAmerican Airlines
Thu 15/14:49 p.m.SJU - YUL
1 stop7h 35mAmerican Airlines
Deal found 16/12C$ 754
Mon 22/122:13 p.m.YUL - SJU
1 stop7h 09mUnited Airlines
Fri 2/17:00 a.m.SJU - YUL
1 stop7h 28mUnited Airlines
Deal found 17/12C$ 774
Sat 27/126:00 p.m.YUL - SJU
1 stop11h 11mUnited Airlines
Wed 31/127:00 a.m.SJU - YUL
1 stop7h 28mUnited Airlines
Deal found 17/12C$ 794
Tue 23/123:00 p.m.YUL - SJU
1 stop8h 36mUnited Airlines
Thu 1/17:00 a.m.SJU - YUL
1 stop7h 28mUnited Airlines
Deal found 17/12C$ 803
Tue 16/124:45 p.m.YUL - SJU
1 stop20h 14mWestJet
Thu 15/13:55 p.m.SJU - YUL
1 stop8h 55mWestJet
Deal found 16/12C$ 835
Sun 21/127:00 a.m.YUL - SJU
1 stop30h 33mWestJet
Sun 11/13:00 p.m.SJU - YUL
1 stop10h 43mWestJet
Deal found 17/12C$ 838
Mon 29/127:00 a.m.YUL - SJU
1 stop9h 30mMultiple Airlines
Fri 9/15:50 p.m.SJU - YUL
2 stops23h 40mMultiple Airlines
Deal found 16/12C$ 839
Sat 27/126:00 p.m.YUL - SJU
1 stop11h 11mUnited Airlines
Thu 1/17:00 a.m.SJU - YUL
1 stop7h 28mUnited Airlines
Deal found 17/12C$ 843
Sun 28/123:00 p.m.YUL - SJU
1 stop8h 36mUnited Airlines
Mon 29/128:30 a.m.SJU - YUL
1 stop7h 46mUnited Airlines
Deal found 17/12C$ 845
Wed 31/127:00 a.m.YUL - SJU
1 stop30h 33mWestJet
Sat 10/16:15 a.m.SJU - YUL
1 stop8h 17mWestJet
Deal found 17/12C$ 850

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 18 December 2025.

Round-trip from

C$ 404

One-way from

C$ 209

Popular in

December

Cheapest in

October

Average price

C$ 1,115

Good round-trip deal

C$ 682 or less
American Airlines
  • American Airlines
  • 20/1-23/1
  • 3 total stops
  • 36h 47m total
  • Montreal to Puerto Rico
Search Deals
18/1
  • 18/1
  • 1 total stop
  • 16h 20m total
  • Montreal to Puerto Rico
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 18 December 2025.
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 24/2

3:00 p.m.-12:36 a.m.

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:10 a.m.-3:16 p.m.

1 stop8h 06m

C$ 442

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

7:12 a.m.-8:36 p.m.

1 stop12h 24m

San Juan Luis Munoz Marin Intl

Thu 5/3

6:00 a.m.-3:05 p.m.

1 stop10h 05m

C$ 481

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

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

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Wed 4/3

8:10 a.m.-3:16 p.m.

1 stop8h 06m

C$ 510

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

3:00 p.m.-12:36 a.m.

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:10 a.m.-3:16 p.m.

1 stop8h 06m

C$ 510

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

7:00 a.m.-2:40 p.m.

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:10 a.m.-3:16 p.m.

1 stop8h 06m

C$ 510

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

7:00 a.m.-2:40 p.m.

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:10 a.m.-3:16 p.m.

1 stop8h 06m

C$ 510

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Tue 12/5

7:20 a.m.-2:42 p.m.

1 stop7h 22m

C$ 522

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

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

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:10 a.m.-3:16 p.m.

1 stop8h 06m

C$ 557

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

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

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Tue 31/3

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

1 stop7h 40m

C$ 577

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

11:10 a.m.-12:36 a.m.

2 stops12h 26m

San Juan Luis Munoz Marin Intl

Thu 29/1

2:05 a.m.-1:22 p.m.

2 stops12h 17m

C$ 586

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 37 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$ 244). Flying from Montreal to Puerto Rico in June is currently the most expensive (average of C$ 674). 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.

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

Find hourly flight availability from Montreal to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2025.

It’s optimal to fly from Montreal to Puerto Rico in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the morning.

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 18 December 2025.
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
7.8
Good
483 reviews
Check prices

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
483 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
United Airlines
7.4
Good
9,093 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
American Airlines
7.2
Good
11,055 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
WestJet
7.2
Good
3,204 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,534 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 American Airlines can get you from Montreal to Puerto Rico in just under 8h 36m. Your travel time can differ by up to 3h 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 United Airlines (C$ 222), Air Transat (C$ 225), and American Airlines (C$ 225).

  • 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 cheapest flights from Montreal to Puerto Rico?

    On average you can expect to pay C$ 867 for a flight from Montreal to Puerto Rico. The cheapest flight overall is C$ 551 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl) is currently priced at C$ 364.

  • 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$ 244). Flying from Montreal to Puerto Rico in June is currently the most expensive (average of C$ 674). 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapestC$ 288AverageC$ 337FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
Air CanadaCheapestC$ 369AverageC$ 641FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 381AverageC$ 580FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 387AverageC$ 603FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 472AverageC$ 887FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 645AverageC$ 787FlexibilityNo 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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