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Cheap flights from Montreal to Puerto Rico from C$ 186

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
22 Aug — 29 Aug1
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 23 July 2026.

Wed 30/96:00 a.m.
YUL
-
SJU
1 stop7h 45m
United Airlines
Mon 26/101:35 p.m.
SJU
-
YUL
1 stop8h 07m
United Airlines
Deal found 22/7C$ 409
Sat 7/113:00 p.m.
YUL
-
SJU
1 stop8h 36m
United Airlines
Sat 14/118:05 a.m.
SJU
-
YUL
1 stop8h 11m
United Airlines
Deal found 18/7C$ 412
Fri 21/82:30 p.m.
YUL
-
SJU
1 stop9h 29m
American Airlines
Sat 29/812:55 a.m.
SJU
-
YUL
1 stop15h 55m
American Airlines
Deal found 22/7C$ 447
Mon 9/117:00 a.m.
YUL
-
SJU
1 stop6h 40m
United Airlines
Tue 10/118:05 a.m.
SJU
-
YUL
1 stop8h 11m
United Airlines
Deal found 18/7C$ 450
Sat 5/128:50 a.m.
YUL
-
SJU
Nonstop4h 50m
Air Canada
Fri 25/122:25 p.m.
SJU
-
YUL
1 stop8h 35m
Air Canada
Deal found 21/7C$ 457
Sat 28/118:00 p.m.
YUL
-
SJU
1 stop16h 30m
Air Canada
Sat 5/123:35 p.m.
SJU
-
YUL
Nonstop4h 55m
Air Canada
Deal found 19/7C$ 462
Sat 7/119:20 p.m.
YUL
-
SJU
1 stop15h 10m
Air Canada
Fri 20/112:25 p.m.
SJU
-
YUL
1 stop10h 00m
Air Canada
Deal found 19/7C$ 469
Sat 5/126:50 p.m.
YUL
-
BQN
1 stop28h 07m
Air Canada
Sat 12/121:09 a.m.
BQN
-
YUL
1 stop11h 48m
Air Canada
Deal found 21/7C$ 650
Thu 12/118:05 a.m.
YUL
-
BQN
1 stop14h 52m
Air Canada
Thu 19/111:09 a.m.
BQN
-
YUL
1 stop13h 19m
Air Canada
Deal found 21/7C$ 651
Sat 5/126:50 p.m.
YUL
-
BQN
1 stop28h 07m
Air Canada
Tue 15/121:09 a.m.
BQN
-
YUL
2 stops12h 16m
Air Canada
Deal found 21/7C$ 661
Thu 12/116:00 a.m.
YUL
-
BQN
2 stops16h 57m
Air Canada
Mon 23/111:09 a.m.
BQN
-
YUL
1 stop13h 19m
Air Canada
Deal found 21/7C$ 662
Thu 5/117:00 a.m.
YUL
-
BQN
1 stop15h 57m
Air Canada
Sun 15/111:09 a.m.
BQN
-
YUL
1 stop11h 48m
Air Canada
Deal found 21/7C$ 699

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 23 July 2026.

Round-trip from

C$ 409

One-way from

C$ 186

Popular in

August

Cheapest in

September

Average price

C$ 889

Good round-trip deal

C$ 446 or less
United Airlines
  • United Airlines
  • 30/9-26/10
  • 2 total stops
  • 15h 52m 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. 5% potential increase in price (C$ 56 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 July 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 23 July 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 30/9

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Mon 26/10

1:35 p.m.-9:42 p.m.

1 stop8h 07m

C$ 409
Quickest round-trip

MontrealSan Juan

YUL - SJU

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

Mon 21/9

2:55 p.m.-10:06 p.m.

1 stop7h 11m

C$ 503

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 17/1

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 10/2

8:10 a.m.-3:02 p.m.

1 stop7h 52m

C$ 521

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Tue 24/11

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

1 stop8h 11m

C$ 526

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

6:15 p.m.-11:57 a.m.

1 stop17h 42m

San Juan Luis Munoz Marin Intl

Tue 29/9

6:45 p.m.-7:34 a.m.

1 stop12h 49m

C$ 583

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 12/1

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Tue 19/1

8:10 a.m.-3:02 p.m.

1 stop7h 52m

C$ 620

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

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

1 stop8h 34m

San Juan Luis Munoz Marin Intl

Sat 12/9

1:00 a.m.-1:09 p.m.

1 stop12h 09m

C$ 638

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

9:15 a.m.-12:34 p.m.

1 stop27h 19m

San Juan Luis Munoz Marin Intl

Mon 26/10

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

1 stop9h 42m

C$ 641

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Thu 3/9

5:45 p.m.-4:20 p.m.

2 stops22h 35m

San Juan Luis Munoz Marin Intl

Tue 8/9

4:30 p.m.-12:20 a.m.

1 stop7h 50m

C$ 648

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Mon 23/11

2:35 p.m.-9:42 p.m.

1 stop8h 07m

C$ 686

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 41 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
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$ 424). Flying from Montreal to Puerto Rico in December is currently the most expensive (average of C$ 1,074). 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 23 July 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
10,024 reviews
Check prices

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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
10,024 reviews
United Airlines
7.4
Good
10,024 reviews
Check prices

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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
3,411 reviews
United Airlines
7.4
Good
10,024 reviews
Check prices

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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
11,832 reviews
United Airlines
7.4
Good
10,024 reviews
Check prices

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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
11,371 reviews
United Airlines
7.4
Good
10,024 reviews
Check prices

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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 7h 45m. Your travel time can differ by up to 9h 57m. 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$ 236), United Airlines (C$ 245), and Air Canada (C$ 266).

  • 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 - Vieques as they are the most popular.

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

    On average you can expect to pay C$ 479 for a flight from Montreal to Puerto Rico. The cheapest flight overall is C$ 442 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl) is currently priced at C$ 386.

  • 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$ 424). Flying from Montreal to Puerto Rico in December is currently the most expensive (average of C$ 1,074). 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 St. George's flights
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Ottawa to Providenciales flights
Pierre Elliott Trudeau Intl to Santiago de los Caballeros flights
Ottawa to Kingston flights
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Québec City to Simpson Bay flights
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Ottawa to Simpson Bay flights
Québec City to Oranjestad flights
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Ottawa to Port of Spain flights
Québec City to Bridgetown flights
Pierre Elliott Trudeau Intl to Freeport flights
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Ottawa to Willemstad flights
Québec City to Nagua 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 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapestC$ 290AverageC$ 382FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
Air CanadaCheapestC$ 331AverageC$ 597FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 340AverageC$ 555FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 396AverageC$ 638FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 545AverageC$ 905FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 789AverageC$ 944FlexibilityNo 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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