Cheap flights from Montreal to San Juan from C$ 279
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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJU
3 Jun — 10 Jun1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to San Juan are usually found in October or November, booked 49 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Montreal to San Juan
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
Cheapest flights from Montreal to San Juan
Explore the most affordable flight options available from Montreal to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 May 2026.
Sat 21/118:15 a.m.
YUL
-
SJU
Nonstop4h 50m
Air Canada
Sat 28/113:00 p.m.
SJU
-
YUL
Nonstop4h 55m
Air Canada
Deal found 30/4C$ 442
Fri 5/67:00 a.m.
YUL
-
SJU
1 stop9h 20m
Arajet
Sun 14/64:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 29/4C$ 499
Fri 5/67:00 a.m.
YUL
-
SJU
1 stop9h 20m
Multiple Airlines
Sat 13/66:00 a.m.
SJU
-
YUL
2 stops18h 25m
Multiple Airlines
Deal found 29/4C$ 503
Wed 10/67:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Sun 14/64:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 29/4C$ 510
Wed 10/67:00 a.m.
YUL
-
SJU
1 stop7h 34m
Multiple Airlines
Sat 13/66:00 a.m.
SJU
-
YUL
2 stops18h 25m
Multiple Airlines
Deal found 29/4C$ 514
Sat 7/117:30 a.m.
YUL
-
SJU
1 stop15h 17m
American Airlines
Sat 14/116:25 a.m.
SJU
-
YUL
1 stop9h 55m
American Airlines
Deal found 3/5C$ 519
Fri 29/56:15 p.m.
YUL
-
SJU
1 stop29h 35m
Air Canada
Fri 5/66:45 p.m.
SJU
-
YUL
1 stop21h 25m
Air Canada
Deal found 29/4C$ 538
Fri 5/67:00 a.m.
YUL
-
SJU
1 stop9h 20m
Multiple Airlines
Sun 14/68:04 p.m.
SJU
-
YUL
2 stops28h 21m
Multiple Airlines
Deal found 29/4C$ 542
Wed 14/107:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Tue 20/104:30 p.m.
SJU
-
YUL
1 stop7h 50m
Arajet
Deal found 3/5C$ 548
Best flights from Montreal to San Juan
Discover carefully curated flight deals from Montreal to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 4 May 2026.
Sat 30/53:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Thu 4/64:55 p.m.
SJU
-
YUL
1 stop7h 18m
United Airlines
Deal found 1/5C$ 595
Sat 23/56:45 a.m.
YUL
-
SJU
2 stops12h 14m
Multiple Airlines
Sun 31/54:00 p.m.
SJU
-
YUL
1 stop8h 20m
Multiple Airlines
Deal found 1/5C$ 675
Wed 27/57:51 a.m.
YUL
-
SJU
1 stop15h 10m
American Airlines
Wed 3/610:29 a.m.
SJU
-
YUL
1 stop13h 00m
American Airlines
Deal found 30/4C$ 705
Sat 30/53:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Mon 1/61:25 p.m.
SJU
-
YUL
1 stop8h 41m
United Airlines
Deal found 1/5C$ 651
Tue 9/63:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Sat 13/64:55 p.m.
SJU
-
YUL
1 stop7h 18m
United Airlines
Deal found 3/5C$ 696
Wed 27/59:45 a.m.
YUL
-
SJU
1 stop10h 49m
United Airlines
Wed 3/64:55 p.m.
SJU
-
YUL
1 stop7h 18m
United Airlines
Deal found 30/4C$ 760
Wed 10/63:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Mon 15/64:55 p.m.
SJU
-
YUL
1 stop7h 18m
United Airlines
Deal found 3/5C$ 765
Wed 1/79:45 a.m.
YUL
-
SJU
1 stop10h 49m
United Airlines
Tue 14/77:40 a.m.
SJU
-
YUL
1 stop9h 50m
United Airlines
Deal found 1/5C$ 766
Wed 20/52:20 p.m.
YUL
-
SJU
1 stop7h 04m
United Airlines
Wed 27/57:20 a.m.
SJU
-
YUL
1 stop7h 20m
United Airlines
Deal found 4/5C$ 773
Mon 8/611:23 a.m.
YUL
-
SJU
1 stop12h 27m
United Airlines
Tue 16/67:20 a.m.
SJU
-
YUL
1 stop16h 53m
United Airlines
Deal found 3/5C$ 775
Last-minute flights from Montreal to San Juan
Discover last-minute flight deals from Montreal to San Juan. Data last updated 4 May 2026 and is based on user searches.
Fri 29/56:15 p.m.
YUL
-
SJU
1 stop29h 35m
Air Canada
Fri 5/66:45 p.m.
SJU
-
YUL
1 stop21h 25m
Air Canada
Deal found 29/4C$ 538
Fri 5/67:00 a.m.
YUL
-
SJU
1 stop9h 20m
Arajet
Sun 14/64:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 29/4C$ 499
Fri 5/67:00 a.m.
YUL
-
SJU
1 stop9h 20m
Multiple Airlines
Sat 13/66:00 a.m.
SJU
-
YUL
2 stops18h 25m
Multiple Airlines
Deal found 29/4C$ 503
Fri 5/67:00 a.m.
YUL
-
SJU
1 stop9h 20m
Multiple Airlines
Sun 14/68:04 p.m.
SJU
-
YUL
2 stops28h 21m
Multiple Airlines
Deal found 29/4C$ 542
Fri 5/67:00 a.m.
YUL
-
SJU
1 stop9h 20m
Arajet
Tue 16/64:30 p.m.
SJU
-
YUL
1 stop7h 50m
Arajet
Deal found 29/4C$ 553
Sat 6/68:10 a.m.
YUL
-
SJU
1 stop15h 40m
Air Canada
Tue 16/61:00 a.m.
SJU
-
YUL
1 stop15h 10m
Air Canada
Deal found 29/4C$ 559
Mon 8/67:15 p.m.
YUL
-
SJU
1 stop16h 25m
Multiple Airlines
Sat 13/66:00 a.m.
SJU
-
YUL
2 stops18h 25m
Multiple Airlines
Deal found 29/4C$ 564
Wed 10/67:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Sun 14/64:00 p.m.
SJU
-
YUL
1 stop8h 20m
Arajet
Deal found 29/4C$ 510
Wed 10/67:00 a.m.
YUL
-
SJU
1 stop7h 34m
Multiple Airlines
Sat 13/66:00 a.m.
SJU
-
YUL
2 stops18h 25m
Multiple Airlines
Deal found 29/4C$ 514
Wed 10/67:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Tue 16/64:30 p.m.
SJU
-
YUL
1 stop7h 50m
Arajet
Deal found 29/4C$ 561
One-way flights from Montreal to San Juan
Search for one-way flight options from Montreal to San Juan. Find affordable one-way fares based on user searches. Data last updated 4 May 2026.
Tue 9/67:29 a.m.
YUL
-
SJU
2 stops10h 56m
American Airlines
Deal found 2/5C$ 279
Wed 10/610:30 a.m.
YUL
-
SJU
2 stops23h 09m
American Airlines
Deal found 2/5C$ 284
Wed 10/67:00 a.m.
YUL
-
SJU
1 stop7h 34m
Arajet
Deal found 2/5C$ 285
Mon 18/53:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Deal found 30/4C$ 302
Sat 16/52:20 p.m.
YUL
-
SJU
1 stop7h 04m
Lufthansa
Deal found 2/5C$ 310
Mon 18/57:45 a.m.
YUL
-
SJU
2 stops13h 39m
American Airlines
Deal found 30/4C$ 319
Mon 3/84:30 p.m.
YUL
-
SJU
1 stop28h 08m
Air Canada
Deal found 2/5C$ 321
Tue 9/63:25 p.m.
YUL
-
SJU
1 stop8h 25m
United Airlines
Deal found 2/5C$ 328
Fri 12/67:00 a.m.
YUL
-
SJU
1 stop9h 20m
Arajet
Deal found 2/5C$ 340
Sat 13/67:51 a.m.
YUL
-
SJU
2 stops14h 54m
American Airlines
Deal found 2/5C$ 387
Fri 9/107:00 a.m.
YUL
-
SJU
1 stop9h 20m
Arajet
Deal found 1/5C$ 393
Find flight deals from Montreal to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 May 2026.
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, Cheapflights users made 629,999 searches. Data last updated 4 May 2026.
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
Cheapest round-trip
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sat 30/5
3:25 p.m.-11:50 p.m.
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Thu 4/6
4:55 p.m.-12:13 a.m.
1 stop7h 18m
C$ 595
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sat 30/5
3:25 p.m.-11:50 p.m.
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Mon 1/6
1:25 p.m.-10:06 p.m.
1 stop8h 41m
C$ 651
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sat 23/5
6:45 a.m.-6:59 p.m.
2 stops12h 14m
San Juan Luis Munoz Marin Intl
Sun 31/5
4:00 p.m.-12:20 a.m.
1 stop8h 20m
C$ 675
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Tue 9/6
3:25 p.m.-11:50 p.m.
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Sat 13/6
4:55 p.m.-12:13 a.m.
1 stop7h 18m
C$ 696
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Wed 27/5
7:51 a.m.-11:01 p.m.
1 stop15h 10m
San Juan Luis Munoz Marin Intl
Wed 3/6
10:29 a.m.-11:29 p.m.
1 stop13h 00m
C$ 705
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Wed 27/5
9:45 a.m.-8:34 p.m.
1 stop10h 49m
San Juan Luis Munoz Marin Intl
Wed 3/6
4:55 p.m.-12:13 a.m.
1 stop7h 18m
C$ 760
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Wed 10/6
3:25 p.m.-11:50 p.m.
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Mon 15/6
4:55 p.m.-12:13 a.m.
1 stop7h 18m
C$ 765
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Wed 1/7
9:45 a.m.-8:34 p.m.
1 stop10h 49m
San Juan Luis Munoz Marin Intl
Tue 14/7
7:40 a.m.-5:30 p.m.
1 stop9h 50m
C$ 766
Quickest round-trip
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Wed 20/5
2:20 p.m.-9:24 p.m.
1 stop7h 04m
San Juan Luis Munoz Marin Intl
Wed 27/5
7:20 a.m.-2:40 p.m.
1 stop7h 20m
C$ 773
MontrealSan Juan
YUL - SJU
YULSJU
Montreal Pierre Elliott Trudeau Intl
Mon 8/6
11:23 a.m.-11:50 p.m.
1 stop12h 27m
San Juan Luis Munoz Marin Intl
Tue 16/6
7:20 a.m.-12:13 a.m.
1 stop16h 53m
C$ 775
Flights are sorted by cheapest round-trip flights first.
Deals found on 30/4
Showing 1-10 of 15 resultsSorted by cheapest first
1
2
Best time to book a flight from Montreal to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Montreal with our price prediction graph.
YMQ-PR1
YUL-SJU
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 San Juan
YMQ-PR1
YUL-SJU
How far ahead should I book a flight from Montreal to San Juan?
To ensure you get the cheapest price possible for a flight from Montreal to San Juan, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Montreal to San Juan?
Currently, March is the cheapest month in which you can book a flight from Montreal to San Juan (average of C$ 163). Flying from Montreal to San Juan in June is currently the most expensive (average of C$ 446). 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 much does it cost to fly round-trip from Montreal to San Juan?
How often are flights from Montreal to San Juan delayed?
About 10% of weekly flights between Montreal and San Juan have experienced delays in the past year, with the average delay time being 93 minutes.
What is the most punctual flight time for Montreal to San Juan 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 San Juan flights?
Over the past year, Air Canada Rouge has had the lowest number of delays on this route, with just 16% of flights being delayed.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated 4 May 2026.
Check out reviews from past customers who have flown with Air Transat,United Airlines, andWestJet from Montreal to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Related info for your journey
Find useful and relevant information for your journey from Montreal to San Juan. 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 San Juan?
There are many flights that can get you from Montreal to San Juan in 8h 25m. Fly via United Airlines or American Airlines to get the fastest option. Montreal and San Juan are separated by a distance of 3087 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Montreal to San Juan round-trip?
Currently priced at C$ 281, Arajet will fly you from Montreal to San Juan and back. In addition to Arajet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Air Canada - these airlines can fly you to your destination from C$ 287 and C$ 319, respectively. Arajet is 59% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Montreal to San Juan one-way?
The cheapest airlines for a one-way flight from Montreal to San Juan are American Airlines (C$ 228), United Airlines (C$ 236), and Air Canada (C$ 257).
What are the most reliable airlines from Montreal to San Juan?
The top 3 most reliable airlines when flying from Montreal to San Juan are Air Canada (100%), Air Canada Rouge (100%) and Air Transat (80%).
What are the cheapest flights from Montreal to San Juan?
While on average a flight from Montreal to San Juan is generally C$ 540, our data shows the cheapest flight currently is C$ 273. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl), you can expect to pay C$ 462 for that flight.
Can I find deals for business class flights from Montreal to San Juan?
Yes. Cheapflights offers flight deals from Montreal to San Juan 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 San Juan?
Currently, March is the cheapest month in which you can book a flight from Montreal to San Juan (average of C$ 163). Flying from Montreal to San Juan in June is currently the most expensive (average of C$ 446). 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.
Discover the top 6 airlines that operate flights from Montreal to San Juan. 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 4 May 2026.
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 San Juan?
Deals for Montreal to San Juan 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 San Juan?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Montreal to San Juan.
Can Cheapflights find flights from Montreal to San Juan with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to San Juan, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Montreal to San Juan become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.