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Cheap flights from Montreal to San Juan from C$ 243

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to San Juan departing on 14/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal to San Juan

Cheap round-trip flights

United Airlines Logo
3:00 p.m. - 12:36 a.m.YUL-SJU
8h 36m1 stop
United Airlines Logo
8:30 a.m. - 3:16 p.m.SJU-YUL
7h 46m1 stop
C$ 373United Airlines
Find Deal
Tue, 18 Nov - Wed, 26 Nov
United Airlines Logo
6:00 a.m. - 1:45 p.m.YUL-SJU
7h 45m1 stop
United Airlines Logo
1:30 p.m. - 10:06 p.m.SJU-YUL
8h 36m1 stop
C$ 379United Airlines
Find Deal
Wed, 15 Oct - Thu, 23 Oct
United Airlines Logo
6:00 a.m. - 1:45 p.m.YUL-SJU
7h 45m1 stop
United Airlines Logo
1:30 p.m. - 10:06 p.m.SJU-YUL
8h 36m1 stop
C$ 380United Airlines
Find Deal
Wed, 15 Oct - Thu, 23 Oct
American Airlines Logo
7:50 a.m. - 11:59 p.m.YUL-SJU
16h 09m1 stop
American Airlines Logo
6:25 a.m. - 3:20 p.m.SJU-YUL
9h 55m1 stop
C$ 415American Airlines
Find Deal
Fri, 31 Oct - Sat, 8 Nov
American Airlines Logo
7:29 a.m. - 10:10 p.m.YUL-SJU
14h 41m1 stop
American Airlines Logo
5:00 p.m. - 9:50 a.m.SJU-YUL
16h 50m2 stops
C$ 420American Airlines
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Delta Logo
6:00 a.m. - 2:15 p.m.YUL-SJU
7h 15m1 stop
Delta Logo
6:20 p.m. - 5:04 p.m.SJU-YUL
23h 44m1 stop
C$ 519Delta
Find Deal
Tue, 11 Nov - Mon, 17 Nov
Delta Logo
7:00 a.m. - 10:07 p.m.YUL-SJU
15h 07m1 stop
Delta Logo
2:20 p.m. - 11:08 p.m.SJU-YUL
8h 48m1 stop
C$ 528Delta
Find Deal
Sun, 31 Aug - Fri, 5 Sep
Air Transat Logo
8:00 a.m. - 1:30 p.m.YUL-SJU
4h 30mdirect
Air Transat Logo
2:35 p.m. - 6:15 p.m.SJU-YUL
4h 40mdirect
C$ 539Air Transat
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Air Canada Logo
6:55 p.m. - 11:36 p.m.YUL-SJU
28h 41m1 stop
Air Canada Logo
2:05 a.m. - 11:57 a.m.SJU-YUL
10h 52m1 stop
C$ 554Air Canada
Find Deal
Thu, 30 Oct - Fri, 7 Nov
Air Canada Logo
7:00 a.m. - 9:00 p.m.YUL-SJU
13h 00m2 stops
Air Canada Logo
2:05 a.m. - 2:22 p.m.SJU-YUL
13h 17m2 stops
C$ 568Air Canada
Find Deal
Tue, 18 Nov - Tue, 25 Nov

United Airlines flights from Montreal to San Juan

Our best United Airlines deals on Montreal to San Juan flight tickets
United Airlines
18 Nov
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
8h 36m
1 stop
SJU12:36 a.m.San Juan Luis Munoz Marin Intl
26 Nov
SJU8:30 a.m.San Juan Luis Munoz Marin Intl
7h 46m
1 stop
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 373
Find similar
United Airlines
15 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
7h 45m
1 stop
SJU1:45 p.m.San Juan Luis Munoz Marin Intl
23 Oct
SJU1:30 p.m.San Juan Luis Munoz Marin Intl
8h 36m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 379
Find similar
United Airlines
15 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
7h 45m
1 stop
SJU1:45 p.m.San Juan Luis Munoz Marin Intl
23 Oct
SJU1:30 p.m.San Juan Luis Munoz Marin Intl
8h 36m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 380
Find similar

Delta flights from Montreal to San Juan

Our best Delta deals on Montreal to San Juan flight tickets
Delta
11 Nov
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
7h 15m
1 stop
SJU2:15 p.m.San Juan Luis Munoz Marin Intl
17 Nov
SJU6:20 p.m.San Juan Luis Munoz Marin Intl
23h 44m
1 stop
YUL5:04 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 519
Find similar
Delta
31 Aug
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
15h 07m
1 stop
SJU10:07 p.m.San Juan Luis Munoz Marin Intl
5 Sep
SJU2:20 p.m.San Juan Luis Munoz Marin Intl
8h 48m
1 stop
YUL11:08 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 528
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to San Juan 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, momondo users made 96,600 searches. Data last updated 2 August 2025.
Use the filters below to find and compare flights from Montreal to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 18/11

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Wed 26/11

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

1 stop7h 46m

C$ 373

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Thu 23/10

1:30 p.m.-10:06 p.m.

1 stop8h 36m

C$ 379

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

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

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Thu 23/10

1:30 p.m.-10:06 p.m.

1 stop8h 36m

C$ 380

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Fri 31/10

7:50 a.m.-11:59 p.m.

1 stop16h 09m

San Juan Luis Munoz Marin Intl

Sat 8/11

6:25 a.m.-3:20 p.m.

1 stop9h 55m

C$ 415

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 21/10

7:29 a.m.-10:10 p.m.

1 stop14h 41m

San Juan Luis Munoz Marin Intl

Tue 28/10

5:00 p.m.-9:50 a.m.

2 stops16h 50m

C$ 420

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

6:00 a.m.-2:15 p.m.

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Mon 17/11

6:20 p.m.-5:04 p.m.

1 stop23h 44m

C$ 519

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

7:00 a.m.-10:07 p.m.

1 stop15h 07m

San Juan Luis Munoz Marin Intl

Fri 5/9

2:20 p.m.-11:08 p.m.

1 stop8h 48m

C$ 528

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

8:00 a.m.-1:30 p.m.

Nonstop4h 30m

San Juan Luis Munoz Marin Intl

Sun 18/1

2:35 p.m.-6:15 p.m.

Nonstop4h 40m

C$ 539

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

6:55 p.m.-11:36 p.m.

1 stop28h 41m

San Juan Luis Munoz Marin Intl

Fri 7/11

2:05 a.m.-11:57 a.m.

1 stop10h 52m

C$ 554

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 18/11

7:00 a.m.-9:00 p.m.

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Tue 25/11

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

2 stops13h 17m

C$ 568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Montreal to San Juan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Montreal and San Juan?

What is the cheapest month to fly to San Juan?

The month of January is, on average, the cheapest month to fly to San Juan from Montreal, with most prices found around C$ 561. If you aren’t able to travel to San Juan during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 603.

What is the cheapest day to depart on your flight to San Juan?

According to our data, Thursday is the cheapest day to fly to San Juan from Montreal. The lowest ticket price found for a Thursday departure recently was C$ 371. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Saturday is the most expensive day to depart from Montreal because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,141.

What is the cheapest time of day to depart on your flight to San Juan?

Our most recent data shows that the best time of day to fly to San Juan is in the afternoon. Flights from Montreal to San Juan during this time can be as low as C$ 666. At noon is when there is more demand to fly to San Juan, so prices are often more expensive at around C$ 802 per ticket.

What is the cheapest Montreal to San Juan flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San Juan Luis Munoz Marin Intl for the best Montreal - San Juan flight prices

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around C$ 724 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Montreal for as low as C$ 568 on momondo.

What cabin class options are available on Montreal to San Juan flights?

There are 1 cabin classes available to choose from on Montreal to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Montreal to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to San Juan

Best price found

C$ 243

Fastest flight time

4h 30m

Direct flights

Mon

Airports in San Juan

1 airport
The best one-way flight to San Juan from Montreal in the past 72 hours is C$ 243. The best round-trip flight deal from Montreal to San Juan found on momondo in the last 72 hours is C$ 373.
The fastest flight from Montreal to San Juan takes 4h 30m
Direct flights go from Montreal to San Juan on Monday. Airlines offering direct flights are: Air Canada and Air Transat.
There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)
Search flight deals

  • How far is Montreal to San Juan by plane?

    There are 3081.6 km between Montreal and San Juan. A reasonable flight in good conditions will take 4h 30m.

  • When did momondo last update prices for flights from Montreal to San Juan?

    Prices for flights from Montreal to San Juan are updated daily.

  • How many operators does momondo search for flights from Montreal to San Juan?

  • How old do you have to be to fly from Montreal to San Juan?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Montreal to San Juan

Compare and see reviews for airlines that fly from Montreal to San Juan with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom C$ 362Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 389Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 423Free CancellationRating
7.1
9,855 reviews
Search Air Canada flights
DeltaPriceFrom C$ 434Free CancellationRating
8.0
7,983 reviews
Search Delta flights
Air TransatPriceFrom C$ 474Free CancellationRating
7.7
424 reviews
Search Air Transat flights
WestJetPriceFrom C$ 648Free CancellationRating
7.2
2,980 reviews
Search WestJet flights
WestJet EncorePriceFrom C$ 764Free CancellationRating
9.2
5 reviews
Search WestJet Encore flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to San Juan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to San Juan . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montreal to San Juan with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Juan from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to San Juan?

momondo helps you find the best flight between Montreal and San Juan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Montreal to San Juan right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montreal to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 11.5 km from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport