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Cheap flights from Montreal to San Juan from C$ 219

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 15/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Montreal to San Juan

Cheap round-trip flights

American Airlines Logo
7:29 a.m. - 3:55 p.m.YUL-SJU
8h 26m1 stop
American Airlines Logo
5:30 a.m. - 10:55 p.m.SJU-YUL
17h 25m1 stop
C$ 390American Airlines
Find Deal
Tue, 21 Oct - Tue, 28 Oct
American Airlines Logo
4:00 p.m. - 11:06 a.m.YUL-SJU
19h 06m2 stops
American Airlines Logo
5:30 a.m. - 10:55 p.m.SJU-YUL
17h 25m1 stop
C$ 396American Airlines
Find Deal
Sat, 25 Oct - Sat, 1 Nov
United Airlines Logo
7:00 a.m. - 2:40 p.m.YUL-SJU
6h 40m1 stop
United Airlines Logo
8:30 a.m. - 3:16 p.m.SJU-YUL
7h 46m1 stop
C$ 414United Airlines
Find Deal
Sun, 9 Nov - Tue, 18 Nov
United Airlines Logo
3:00 p.m. - 12:36 a.m.YUL-SJU
8h 36m1 stop
United Airlines Logo
8:10 a.m. - 3:16 p.m.SJU-YUL
8h 06m1 stop
C$ 419United Airlines
Find Deal
Wed, 21 Jan - Thu, 22 Jan
United Airlines Logo
2:13 p.m. - 10:22 p.m.YUL-SJU
7h 09m1 stop
United Airlines Logo
8:10 a.m. - 3:16 p.m.SJU-YUL
8h 06m1 stop
C$ 428United Airlines
Find Deal
Mon, 12 Jan - Fri, 23 Jan
Logo
8:10 p.m. - 2:50 p.m.YUL-SJU
17h 40m1 stop
Logo
4:00 p.m. - 12:20 a.m.SJU-YUL
8h 20m1 stop
C$ 450
Find Deal
Sat, 21 Feb - Sun, 29 Mar
United Airlines Logo
9:15 a.m. - 10:22 p.m.YUL-SJU
12h 07m1 stop
United Airlines Logo
8:10 a.m. - 3:16 p.m.SJU-YUL
8h 06m1 stop
C$ 458United Airlines
Find Deal
Fri, 23 Jan - Tue, 27 Jan
Logo
8:10 p.m. - 2:50 p.m.YUL-SJU
17h 40m1 stop
Logo
3:54 p.m. - 12:15 a.m.SJU-YUL
9h 21m1 stop
C$ 464
Find Deal
Sat, 17 Jan - Sun, 25 Jan
Air Canada Logo
6:00 a.m. - 8:00 p.m.YUL-SJU
14h 00m1 stop
Air Canada Logo
8:10 a.m. - 3:57 p.m.SJU-YUL
8h 47m1 stop
C$ 550Air Canada
Find Deal
Fri, 31 Oct - Fri, 14 Nov
Air Canada Logo
7:00 a.m. - 12:36 a.m.YUL-SJU
16h 36m1 stop
Air Canada Logo
2:05 a.m. - 9:42 p.m.SJU-YUL
20h 37m1 stop
C$ 551Air Canada
Find Deal
Mon, 10 Nov - Tue, 18 Nov

WestJet flights from Montreal to San Juan

Our best WestJet deals on Montreal to San Juan flight tickets
WestJet
20 Sep
YUL2:48 p.m.Montreal Pierre Elliott Trudeau Intl
7h 12m
1 stop
SJU10:00 p.m.San Juan Luis Munoz Marin Intl
26 Sep
SJU7:30 a.m.San Juan Luis Munoz Marin Intl
10h 19m
1 stop
YUL5:49 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 724
Find similar
WestJet
22 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 59m
1 stop
SJU12:59 p.m.San Juan Luis Munoz Marin Intl
26 Sep
SJU7:30 a.m.San Juan Luis Munoz Marin Intl
10h 19m
1 stop
YUL5:49 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 731
Find similar
WestJet
19 Sep
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 31m
1 stop
SJU4:31 p.m.San Juan Luis Munoz Marin Intl
27 Sep
SJU2:15 p.m.San Juan Luis Munoz Marin Intl
9h 14m
1 stop
YUL11:29 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 764
Find similar

United Airlines flights from Montreal to San Juan

Our best United Airlines deals on Montreal to San Juan flight tickets
United Airlines
9 Nov
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
1 stop
SJU2:40 p.m.San Juan Luis Munoz Marin Intl
18 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$ 414
Find similar
United Airlines
21 Jan
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
8h 36m
1 stop
SJU12:36 a.m.San Juan Luis Munoz Marin Intl
22 Jan
SJU8:10 a.m.San Juan Luis Munoz Marin Intl
8h 06m
1 stop
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 419
Find similar
United Airlines
12 Jan
YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl
7h 09m
1 stop
SJU10:22 p.m.San Juan Luis Munoz Marin Intl
23 Jan
SJU8:10 a.m.San Juan Luis Munoz Marin Intl
8h 06m
1 stop
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 428
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 15 September 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 21/10

7:29 a.m.-3:55 p.m.

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Tue 28/10

5:30 a.m.-10:55 p.m.

1 stop17h 25m

C$ 390

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

4:00 p.m.-11:06 a.m.

2 stops19h 06m

San Juan Luis Munoz Marin Intl

Sat 1/11

5:30 a.m.-10:55 p.m.

1 stop17h 25m

C$ 396

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

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

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Tue 18/11

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

1 stop7h 46m

C$ 414

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

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

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Thu 22/1

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

1 stop8h 06m

C$ 419

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

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

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Fri 23/1

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

1 stop8h 06m

C$ 428

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

8:10 p.m.-2:50 p.m.

1 stop17h 40m

San Juan Luis Munoz Marin Intl

Sun 29/3

4:00 p.m.-12:20 a.m.

1 stop8h 20m

C$ 450

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

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

1 stop12h 07m

San Juan Luis Munoz Marin Intl

Tue 27/1

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

1 stop8h 06m

C$ 458

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

8:10 p.m.-2:50 p.m.

1 stop17h 40m

San Juan Luis Munoz Marin Intl

Sun 25/1

3:54 p.m.-12:15 a.m.

1 stop9h 21m

C$ 464

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Fri 31/10

6:00 a.m.-8:00 p.m.

1 stop14h 00m

San Juan Luis Munoz Marin Intl

Fri 14/11

8:10 a.m.-3:57 p.m.

1 stop8h 47m

C$ 550

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Mon 10/11

7:00 a.m.-12:36 a.m.

1 stop16h 36m

San Juan Luis Munoz Marin Intl

Tue 18/11

2:05 a.m.-9:42 p.m.

1 stop20h 37m

C$ 551

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 October is, on average, the cheapest month to fly to San Juan from Montreal, with most prices found around C$ 569. If you aren’t able to travel to San Juan during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 572.

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$ 1,142.

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$ 803 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$ 562 on momondo.

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

There is only 1 cabin class 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

Fastest flight time

4h 30m

Direct flights

Mon

Airports in San Juan

1 airport
The fastest flight from Montreal to San Juan takes 4h 30m
Direct flights go from Montreal to San Juan on Monday. There are no airlines offering direct flights.
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$ 367Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 388Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 401Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom C$ 434Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Air TransatPriceFrom C$ 475Free CancellationRating
7.7
438 reviews
Search Air Transat flights
WestJetPriceFrom C$ 648Free CancellationRating
7.2
3,091 reviews
Search WestJet 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