What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Montreal to San Juan flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

How often are flights from Montreal to San Juan delayed?

Historically, on average around 22% of flights between Montreal and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 96 minutes.

Which airline has the best punctuality record on Montreal to San Juan flights?

According to our data, Air Transat has had the least delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

Which airlines fly to San Juan?

WestJet, United Airlines and Air Canada are the top three most popular airlines that fly to San Juan from Montreal Pierre Elliott Trudeau Intl Airport according to our data. WestJet is the first choice among our users, with 37% of people opting to fly with this airline when travelling to San Juan. Keep in mind that there are 6 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to San Juan?

Air Canada and United Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to San Juan

How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Juan?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport 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.

C$ 229 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan in 2025/26

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 p.m. - 12:32 p.m.

YUL

SJU

18h 07m2 stops

4:06 p.m. - 12:15 a.m.

SJU

YUL

9h 09m1 stop

C$ 462Multiple Airlines

Sun, 18 Jan - Sun, 15 Feb

5:25 p.m. - 3:35 p.m.

YUL

SJU

21h 10m2 stops

4:06 p.m. - 12:15 a.m.

SJU

YUL

9h 09m1 stop

C$ 463Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

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

YUL

SJU

7h 09m1 stop

2:15 p.m. - 9:42 p.m.

SJU

YUL

8h 27m1 stop

C$ 469United Airlines

Wed, 21 Jan - Wed, 28 Jan

5:10 p.m. - 3:35 p.m.

YUL

SJU

21h 25m2 stops

4:06 p.m. - 12:15 a.m.

SJU

YUL

9h 09m1 stop

C$ 470Multiple Airlines

Sun, 1 Feb - Sun, 8 Feb

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

YUL

SJU

7h 09m1 stop

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

SJU

YUL

8h 06m1 stop

C$ 473United Airlines

Tue, 24 Feb - Tue, 3 Mar

5:25 p.m. - 12:32 p.m.

YUL

SJU

18h 07m2 stops

4:06 p.m. - 12:15 a.m.

SJU

YUL

9h 09m1 stop

C$ 474Multiple Airlines

Sun, 18 Jan - Sun, 25 Jan

8:00 a.m. - 3:35 p.m.

YUL

SJU

30h 35m1 stop

7:10 a.m. - 3:15 p.m.

SJU

YUL

33h 05m2 stops

C$ 476Multiple Airlines

Sun, 25 Jan - Sat, 31 Jan

8:00 a.m. - 3:35 p.m.

YUL

SJU

30h 35m1 stop

4:06 p.m. - 12:15 a.m.

SJU

YUL

9h 09m1 stop

C$ 477Multiple Airlines

Sun, 11 Jan - Sun, 18 Jan

8:15 a.m. - 1:55 p.m.

YUL

SJU

4h 40mdirect

4:06 p.m. - 12:15 a.m.

SJU

YUL

9h 09m1 stop

C$ 480Multiple Airlines

Sun, 11 Jan - Sun, 18 Jan

8:15 a.m. - 1:55 p.m.

YUL

SJU

4h 40mdirect

4:06 p.m. - 12:15 a.m.

SJU

YUL

9h 09m1 stop

C$ 481Multiple Airlines

Sun, 18 Jan - Sun, 25 Jan

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Juan flight tickets

United Airlines

21 Jan

YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl

7h 09m

1 stop

SJU10:22 p.m.San Juan Luis Munoz Marin Intl

28 Jan

SJU2:15 p.m.San Juan Luis Munoz Marin Intl

8h 27m

1 stop

YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 469

Find similar

United Airlines

24 Feb

YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl

7h 09m

1 stop

SJU10:22 p.m.San Juan Luis Munoz Marin Intl

3 Mar

SJU8:10 a.m.San Juan Luis Munoz Marin Intl

8h 06m

1 stop

YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 473

Find similar

United Airlines

23 Feb

YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl

8h 36m

1 stop

SJU12:36 a.m.San Juan Luis Munoz Marin Intl

27 Feb

SJU8:10 a.m.San Juan Luis Munoz Marin Intl

8h 06m

1 stop

YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 539

Find similar

American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Juan flight tickets

American Airlines

21 Jan

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

8h 00m

1 stop

SJU4:30 p.m.San Juan Luis Munoz Marin Intl

31 Jan

SJU6:00 a.m.San Juan Luis Munoz Marin Intl

10h 08m

1 stop

YUL3:08 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 509

Find similar

American Airlines

25 Feb

YUL3:55 p.m.Montreal Pierre Elliott Trudeau Intl

17h 12m

2 stops

SJU10:07 a.m.San Juan Luis Munoz Marin Intl

5 Mar

SJU6:00 a.m.San Juan Luis Munoz Marin Intl

10h 05m

1 stop

YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 511

Find similar

American Airlines

23 Jan

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

15h 26m

1 stop

SJU11:56 p.m.San Juan Luis Munoz Marin Intl

30 Jan

SJU6:00 a.m.San Juan Luis Munoz Marin Intl

10h 20m

2 stops

YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 515

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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

Sun 18/1

5:25 p.m.-12:32 p.m.

2 stops18h 07m

San Juan Luis Munoz Marin Intl

Sun 15/2

4:06 p.m.-12:15 a.m.

1 stop9h 09m

C$ 462

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

5:25 p.m.-3:35 p.m.

2 stops21h 10m

San Juan Luis Munoz Marin Intl

Sun 1/2

4:06 p.m.-12:15 a.m.

1 stop9h 09m

C$ 463

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

Wed 28/1

2:15 p.m.-9:42 p.m.

1 stop8h 27m

C$ 469

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

5:10 p.m.-3:35 p.m.

2 stops21h 25m

San Juan Luis Munoz Marin Intl

Sun 8/2

4:06 p.m.-12:15 a.m.

1 stop9h 09m

C$ 470

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

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

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Tue 3/3

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

1 stop8h 06m

C$ 473

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

5:25 p.m.-12:32 p.m.

2 stops18h 07m

San Juan Luis Munoz Marin Intl

Sun 25/1

4:06 p.m.-12:15 a.m.

1 stop9h 09m

C$ 474

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

8:00 a.m.-3:35 p.m.

1 stop30h 35m

San Juan Luis Munoz Marin Intl

Sat 31/1

7:10 a.m.-3:15 p.m.

2 stops33h 05m

C$ 476

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

8:00 a.m.-3:35 p.m.

1 stop30h 35m

San Juan Luis Munoz Marin Intl

Sun 18/1

4:06 p.m.-12:15 a.m.

1 stop9h 09m

C$ 477

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

8:15 a.m.-1:55 p.m.

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Sun 18/1

4:06 p.m.-12:15 a.m.

1 stop9h 09m

C$ 480

MontrealSan Juan

YUL - SJU

YULSJU

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

8:15 a.m.-1:55 p.m.

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Sun 25/1

4:06 p.m.-12:15 a.m.

1 stop9h 09m

C$ 481

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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

Prices

Airlines

Delays

What is the cheapest month to fly to San Juan?

The month of April is, on average, the cheapest month to fly to San Juan from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around C$ 516. If you aren’t able to travel to San Juan during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 537.

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 Pierre Elliott Trudeau Intl Airport. The lowest ticket price found for a Thursday departure recently was C$ 374. 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 Pierre Elliott Trudeau Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,072.

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 Pierre Elliott Trudeau Intl Airport to San Juan during this time can be as low as C$ 672. At noon is when there is more demand to fly to San Juan, so prices are often more expensive at around C$ 810 per ticket.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to San Juan flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San Juan Luis Munoz Marin Intl for the best Montreal Pierre Elliott Trudeau Intl - 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 Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around C$ 726 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 Pierre Elliott Trudeau Intl Airport for as low as C$ 511 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to San Juan flights?

There is only 1 cabin class available to choose from on Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Juan

Fastest flight time	4h 30m
Direct flights	Mon
Airports in San Juan	1 airport

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Juan takes 4h 30m

Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl to San Juan by plane?
The distance between Montreal Pierre Elliott Trudeau Intl and San Juan is about 3081.5 km. A reasonable flight in good conditions will take 4h 30m.
When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan are updated daily.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan?
There are 6 operators available for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan as of December 2025.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Juan?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to San Juan

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to San Juan with momondo

Airline	Rating	Free Cancellation	Price
Arajet	PriceFrom C$ 292	Free Cancellation	Rating 6.8 38 reviews	Search Arajet flights
Air Canada	PriceFrom C$ 380	Free Cancellation	Rating 7.1 10,500 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 390	Free Cancellation	Rating 7.4 9,066 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 392	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
Air Transat	PriceFrom C$ 478	Free Cancellation	Rating 7.8 480 reviews	Search Air Transat flights
WestJet	PriceFrom C$ 653	Free Cancellation	Rating 7.2 3,193 reviews	Search WestJet flights

Why use momondo?

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

It is quick and easy to find Montreal to San Juan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Juan that suits you.

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

Yes. momondo allows you to filter the results for Montreal to San Juan flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from Montreal.

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

Price alerts on flights to San Juan from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Juan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

San Juan Isla Grande Airport

San Juan Luis Munoz Marin Intl Airport

Fly to other destinations from Montreal Pierre Elliott Trudeau Intl Airport

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan from C$ 237

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Big names, great deals

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan

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United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Juan flight tickets

American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Juan flight tickets

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Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan that are best for you.

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How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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 cheapest month to fly to San Juan?

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

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

What is the cheapest Montreal Pierre Elliott Trudeau Intl to San Juan flight route?

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

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

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to San Juan flights?

There is only 1 cabin class available to choose from on Montreal Pierre Elliott Trudeau Intl to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to San Juan?

Air Canada and United Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to San Juan

Which airlines fly to San Juan?

How often are flights from Montreal to San Juan delayed?

Historically, on average around 22% of flights between Montreal and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 96 minutes.

What is the most punctual flight time for Montreal to San Juan flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Montreal to San Juan flights?

According to our data, Air Transat has had the least delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

Cheap Montreal Pierre Elliott Trudeau Intl Airport to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Juan

Fastest flight time

Direct flights

Airports in San Juan

How far is Montreal Pierre Elliott Trudeau Intl to San Juan by plane?

When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan?

How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Juan?

How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Juan?

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

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Juan

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to San Juan with momondo

Why use momondo?

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

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

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

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

An easier way to manage your San Juan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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