Cheap flights from Montreal to Puerto Rico from C$ 245

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJU
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

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 6 November 2025.

Mon 24/113:00 p.m.YUL - SJU
1 stop8h 36mUnited Airlines
Thu 4/128:30 a.m.SJU - YUL
1 stop7h 46mUnited Airlines
Deal found 4/11C$ 481
Mon 24/116:45 a.m.YUL - SJU
2 stops15h 59mMultiple Airlines
Sun 7/124:06 p.m.SJU - YUL
1 stop9h 09mMultiple Airlines
Deal found 4/11C$ 482
Fri 5/126:45 a.m.YUL - SJU
2 stops19h 05mMultiple Airlines
Sun 14/124:06 p.m.SJU - YUL
1 stop9h 09mMultiple Airlines
Deal found 5/11C$ 488
Fri 5/122:29 p.m.YUL - SJU
2 stops18h 40mAmerican Airlines
Tue 9/126:25 a.m.SJU - YUL
1 stop6h 55mAmerican Airlines
Deal found 5/11C$ 492
Wed 12/117:30 a.m.YUL - SJU
1 stop15h 22mAmerican Airlines
Thu 13/116:25 a.m.SJU - YUL
1 stop17h 34mAmerican Airlines
Deal found 4/11C$ 495
Thu 27/117:14 a.m.YUL - SJU
2 stops25h 56mAmerican Airlines
Fri 5/124:50 p.m.SJU - YUL
1 stop7h 09mAmerican Airlines
Deal found 6/11C$ 498
Sun 16/117:14 a.m.YUL - SJU
1 stop7h 40mAmerican Airlines
Tue 9/126:25 a.m.SJU - YUL
1 stop6h 55mAmerican Airlines
Deal found 6/11C$ 501
Mon 24/117:30 a.m.YUL - SJU
1 stop7h 49mAmerican Airlines
Thu 4/126:25 a.m.SJU - YUL
1 stop9h 59mAmerican Airlines
Deal found 4/11C$ 502
Mon 24/117:30 a.m.YUL - SJU
1 stop7h 49mAmerican Airlines
Tue 2/126:25 a.m.SJU - YUL
1 stop6h 50mAmerican Airlines
Deal found 4/11C$ 504
Thu 4/125:25 p.m.YUL - SJU
2 stops18h 07mMultiple Airlines
Sun 14/124:06 p.m.SJU - YUL
1 stop9h 09mMultiple Airlines
Deal found 5/11C$ 505
Thu 4/123:00 p.m.YUL - BQN
1 stop7h 57mUnited Airlines
Wed 10/121:09 a.m.BQN - YUL
1 stop8h 23mUnited Airlines
Deal found 5/11C$ 935
Sat 6/123:00 p.m.YUL - VQS
2 stops21h 09mMultiple Airlines
Fri 12/125:54 p.m.VQS - YUL
2 stops22h 22mMultiple Airlines
Deal found 5/11C$ 993

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 6 November 2025.

Round-trip from

C$ 480

One-way from

C$ 245

Popular in

December

Cheapest in

October

Average price

C$ 695

Good round-trip deal

C$ 514 or less

Good one-way deal

C$ 305 or less
United Airlines
  • United Airlines
  • 24/2-5/3
  • 2 total stops
  • 15h 22m total
  • Montreal to Puerto Rico
United Airlines
  • United Airlines
  • 21/1
  • 1 total stop
  • 12h 07m total
  • Montreal to Puerto Rico
Highest demand for flights based on searches. 10% potential increase in price (C$ 125 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease (C$ 54 potential savings vs. average RT price).
Average for round-trip flights in November 2025
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

 
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 6 November 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

Sat 6/12

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 10/12

8:30 a.m.-3:16 p.m.

1 stop7h 46m

C$ 518

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

3:11 p.m.-12:36 a.m.

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Thu 5/3

8:10 a.m.-3:23 p.m.

1 stop8h 13m

C$ 563

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 25/11

6:00 a.m.-9:00 p.m.

1 stop14h 00m

San Juan Luis Munoz Marin Intl

Thu 4/12

8:30 a.m.-3:16 p.m.

1 stop7h 46m

C$ 707

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Sat 7/2

2:05 a.m.-8:32 a.m.

1 stop7h 27m

C$ 707

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Sun 15/2

2:05 a.m.-8:32 a.m.

1 stop7h 27m

C$ 710

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 15/12

9:15 a.m.-10:22 p.m.

1 stop12h 07m

San Juan Luis Munoz Marin Intl

Thu 18/12

8:30 a.m.-7:48 p.m.

1 stop12h 18m

C$ 712

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

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

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Fri 30/1

2:05 a.m.-8:32 a.m.

1 stop7h 27m

C$ 717

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

2:13 p.m.-9:22 p.m.

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Tue 24/3

1:05 a.m.-8:32 a.m.

1 stop7h 27m

C$ 745

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

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

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Tue 24/3

1:05 a.m.-8:32 a.m.

1 stop7h 27m

C$ 784

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

6:00 a.m.-9:00 p.m.

1 stop14h 00m

San Juan Luis Munoz Marin Intl

Wed 11/3

7:10 a.m.-3:23 p.m.

1 stop8h 13m

C$ 791

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/11

Showing 1-10 of 39 results
1
2
3
4

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$ 250). Flying from Montreal to Puerto Rico in July is currently the most expensive (average of C$ 666). 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 6 November 2025.

It’s optimal to fly from Montreal to Puerto Rico in the evening. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the morning.

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 6 November 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.

Crew

8.5

Food

6.8

Entertainment

7.1

Boarding

7.9

Comfort

7.4

Overall

7.8

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.

Crew

8.5

Food

6.8

Entertainment

7.1

Boarding

7.9

Comfort

7.4

Overall

7.8

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.

Crew

8.5

Food

6.8

Entertainment

7.1

Boarding

7.9

Comfort

7.4

Overall

7.8

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.

Crew

8.5

Food

6.8

Entertainment

7.1

Boarding

7.9

Comfort

7.4

Overall

7.8

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.

Crew

8.5

Food

6.8

Entertainment

7.1

Boarding

7.9

Comfort

7.4

Overall

7.8

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.

Crew

8.5

Food

6.8

Entertainment

7.1

Boarding

7.9

Comfort

7.4

Overall

7.8

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 Air Canada can get you from Montreal to Puerto Rico in just under 8h 36m. Your travel time can differ by up to 5h 11m. The distance from Montreal to Puerto Rico is about 3087 km. This flight may include one or multiple stops.

  • 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$ 588 for a flight from Montreal to Puerto Rico. The cheapest flight overall is C$ 296 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl) is currently priced at C$ 334.

  • 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$ 250). Flying from Montreal to Puerto Rico in July is currently the most expensive (average of C$ 666). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.

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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 378AverageC$ 620FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 395AverageC$ 624FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 403AverageC$ 668FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 484AverageC$ 852FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
DeltaCheapestC$ 515AverageC$ 525FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 660AverageC$ 807FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.