Cheap flights from Montreal to Puerto Rico from C$ 259

YMQ — SJU
29 Nov — 6 Dec1
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

Wed 18/117:00 a.m. -
1 stop6h 40m
Thu 26/112:52 p.m. -
1 stop7h 50m
Deal found 26/10C$ 513
Thu 10/121:04 p.m. -
1 stop10h 07m
Mon 21/128:00 a.m. -
1 stop16h 29m
Deal found 26/10C$ 516
Sat 12/129:20 p.m. -
1 stop15h 10m
Sun 20/121:25 p.m. -
Nonstop4h 40m
Deal found 25/10C$ 517
Tue 1/127:33 a.m. -
2 stops14h 03m
Thu 10/1210:26 a.m. -
2 stops13h 22m
Deal found 28/10C$ 522
Tue 1/127:33 a.m. -
2 stops13h 03m
Wed 9/1212:59 p.m. -
2 stops10h 49m
Deal found 26/10C$ 523
Tue 3/117:05 a.m. -
1 stop13h 08m
Tue 10/117:05 a.m. -
1 stop16h 48m
Deal found 29/10C$ 536
Wed 28/107:26 a.m. -
1 stop7h 35m
Sat 7/118:30 a.m. -
1 stop13h 56m
Deal found 27/10C$ 541
Tue 27/102:30 p.m. -
2 stops21h 01m
Fri 30/106:30 a.m. -
2 stops15h 00m
Deal found 27/10C$ 543
Wed 28/102:13 p.m. -
1 stop7h 09m
Thu 5/118:05 a.m. -
1 stop8h 11m
Deal found 26/10C$ 548
Mon 23/111:03 p.m. -
1 stop9h 54m
Fri 4/128:30 a.m. -
1 stop15h 18m
Deal found 26/10C$ 565
Mon 9/117:00 a.m. -
1 stop15h 57m
Tue 10/111:09 a.m. -
1 stop8h 23m
Deal found 26/10C$ 829

Find flight deals from Montreal to Puerto Rico

Round-trip from

C$ 513

One-way from

C$ 259

Popular in

December

Cheapest in

September

Average price

C$ 498

Good round-trip deal

C$ 954 or less

Good one-way deal

C$ 384 or less
United Airlines
  • United Airlines
  • 18/11-26/11
  • 2 total stops
  • 14h 30m total
  • Montreal to Puerto Rico
Air Transat
  • Air Transat
  • 14/3-31/12
  • Nonstop
  • 4h 30m total
  • Montreal to Puerto Rico
Highest demand for flights based on searches. 6% potential increase in price (C$ 71 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 24 potential savings vs. average RT price).
Average for round-trip flights in October 2026
Price to beat on a round-trip flight from Montreal (YMQ) to Puerto Rico.
Price to beat on a one-way flight from Montreal (YMQ) to Puerto Rico.

Cheapflights Fare Finder

 
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 30/1

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 280

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Fri 29/1

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

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 290
Quickest round-trip

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

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

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 290

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Thu 28/1

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 290

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

7:33 a.m.-10:35 p.m.

2 stops14h 02m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 319

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 324

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 324

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 23/11

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 324

MontrealSan Juan

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

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 324

MontrealAguadilla

YUL Montreal Pierre Elliott Trudeau Intl - BQN Aguadilla Borinquen

YULBQN

Montreal Pierre Elliott Trudeau Intl

Wed 13/1

8:05 a.m.-11:57 p.m.

1 stop14h 52m

Aguadilla Borinquen

Wed 31/12

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

Nonstop0h 00m

C$ 364

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 23 resultsSorted by cheapest first
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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

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$ 536). Flying from Montreal to Puerto Rico in December is currently the most expensive (average of C$ 1,020). 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 68 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 a feel of what it's like to fly with United Airlines,WestJet, andAir Canada 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.

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.3

Entertainment

7.1

Boarding

7.7

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

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.3

Entertainment

7.1

Boarding

7.7

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

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.3

Entertainment

7.1

Boarding

7.7

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

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.3

Entertainment

7.1

Boarding

7.7

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

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.3

Entertainment

7.1

Boarding

7.7

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

  • 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 6h 40m. Your travel time can differ by up to 9h 17m. 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$ 182), United Airlines (C$ 243), and Air Canada (C$ 250).

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

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

    On average you can expect to pay C$ 727 for a flight from Montreal to Puerto Rico. The cheapest flight overall is C$ 262 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl) is currently priced at C$ 450.

  • 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$ 536). Flying from Montreal to Puerto Rico in December is currently the most expensive (average of C$ 1,020). 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 for Montreal to Puerto Rico

Top 6 airlines flying from Montreal to Puerto Rico

AirlineCheapestAverageFlexibilityOn-time
ArajetCheapestC$ 290AverageC$ 466FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
United AirlinesCheapestC$ 323AverageC$ 883FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 409AverageC$ 599FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 439AverageC$ 641FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 620AverageC$ 906FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 783AverageC$ 927FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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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?

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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.

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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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