Cheap flights from Montreal to San Juan from C$ 222
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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJU
20 Sep — 27 Sep1
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 September or October, booked 70 days in advance, depart on a Tuesday or Thursday and return on a Tuesday
Cheap flight deals from Montreal to San Juan
Enter your travel dates to find the best prices.
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Best
Direct
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 21 August 2026.
Sat 19/93:25 p.m. -
1 stop8h 25m
Sat 26/91:25 p.m. -
1 stop8h 41m
Deal found 19/8C$ 425
Sat 26/96:00 a.m. -
1 stop7h 45m
Sat 10/101:25 p.m. -
1 stop8h 41m
Deal found 18/8C$ 437
Tue 6/106:00 a.m. -
1 stop7h 45m
Wed 21/101:25 p.m. -
1 stop8h 41m
Deal found 19/8C$ 445
Tue 6/107:26 a.m. -
1 stop8h 02m
Wed 21/106:20 a.m. -
2 stops15h 10m
Deal found 19/8C$ 454
Thu 1/103:25 p.m. -
1 stop8h 25m
Wed 28/107:05 a.m. -
1 stop8h 11m
Deal found 18/8C$ 458
Sat 7/113:00 p.m. -
1 stop8h 36m
Wed 11/118:05 a.m. -
1 stop8h 11m
Deal found 18/8C$ 463
Sat 17/106:00 a.m. -
1 stop7h 45m
Wed 21/101:25 p.m. -
1 stop8h 41m
Deal found 19/8C$ 465
Wed 9/93:25 p.m. -
1 stop8h 25m
Tue 15/91:25 p.m. -
1 stop8h 41m
Deal found 18/8C$ 469
Tue 25/86:00 a.m. -
1 stop7h 45m
Tue 20/101:25 p.m. -
1 stop8h 41m
Deal found 18/8C$ 476
Mon 31/86:10 a.m. -
1 stop8h 34m
Tue 15/91:25 p.m. -
1 stop8h 41m
Deal found 17/8C$ 481
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 21 August 2026.
Tue 12/16:10 a.m. -
1 stop8h 30m
Wed 27/18:10 a.m. -
1 stop7h 52m
Deal found 16/8C$ 426
Sat 23/13:00 p.m. -
1 stop8h 36m
Sat 30/13:35 p.m. -
Nonstop4h 55m
Deal found 17/8C$ 531
Sat 17/106:00 a.m. -
1 stop7h 45m
Sat 24/101:25 p.m. -
1 stop8h 41m
Deal found 20/8C$ 505
Fri 22/13:00 p.m. -
1 stop8h 36m
Tue 2/28:10 a.m. -
1 stop7h 52m
Deal found 17/8C$ 567
Sat 3/106:00 a.m. -
1 stop7h 45m
Sat 10/101:25 p.m. -
1 stop8h 41m
Deal found 19/8C$ 568
Sat 14/113:00 p.m. -
1 stop8h 36m
Mon 23/111:00 p.m. -
1 stop9h 42m
Deal found 17/8C$ 569
Sat 14/112:13 p.m. -
1 stop7h 09m
Sun 22/118:05 a.m. -
1 stop8h 11m
Deal found 16/8C$ 569
Sun 17/13:00 p.m. -
1 stop8h 36m
Wed 27/18:10 a.m. -
1 stop7h 52m
Deal found 16/8C$ 569
Sun 4/106:00 a.m. -
1 stop7h 45m
Tue 6/101:25 p.m. -
1 stop8h 41m
Deal found 17/8C$ 638
Thu 3/96:00 a.m. -
1 stop7h 45m
Thu 10/92:55 p.m. -
1 stop7h 11m
Deal found 18/8C$ 658
Mon 21/96:00 a.m. -
1 stop7h 45m
Tue 22/91:00 a.m. -
1 stop12h 09m
Deal found 19/8C$ 658
Direct flights from Montreal to San Juan
Explore direct flight options from Montreal to San Juan based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.
Sat 23/18:50 a.m. -
Nonstop4h 50m
Sat 30/13:35 p.m. -
Nonstop4h 55m
Deal found 17/8C$ 728
Sun 17/16:45 a.m. -
Nonstop4h 30m
Sun 24/11:25 p.m. -
Nonstop4h 40m
Deal found 20/8C$ 760
Sat 16/18:50 a.m. -
Nonstop4h 50m
Sat 30/13:35 p.m. -
Nonstop4h 55m
Deal found 16/8C$ 798
Sun 24/16:45 a.m. -
Nonstop4h 30m
Sun 31/11:25 p.m. -
Nonstop4h 40m
Deal found 20/8C$ 800
Sun 14/26:45 a.m. -
Nonstop4h 30m
Sun 21/21:25 p.m. -
Nonstop4h 40m
Deal found 17/8C$ 802
Sun 10/16:45 a.m. -
Nonstop4h 30m
Sun 17/11:25 p.m. -
Nonstop4h 40m
Deal found 17/8C$ 809
Sun 14/26:45 a.m. -
Nonstop4h 30m
Sun 28/21:25 p.m. -
Nonstop4h 40m
Deal found 17/8C$ 851
Last-minute flights from Montreal to San Juan
Discover last-minute flight deals from Montreal to San Juan. Data last updated 21 August 2026 and is based on user searches.
Tue 25/86:00 a.m. -
1 stop7h 45m
Tue 20/101:25 p.m. -
1 stop8h 41m
Deal found 18/8C$ 476
Wed 26/82:30 p.m. -
1 stop9h 29m
Thu 22/103:51 p.m. -
2 stops18h 01m
Deal found 18/8C$ 494
Mon 31/86:10 a.m. -
1 stop8h 34m
Tue 15/91:25 p.m. -
1 stop8h 41m
Deal found 17/8C$ 481
Sun 6/97:29 a.m. -
1 stop16h 46m
Sat 19/92:22 p.m. -
1 stop7h 20m
Deal found 19/8C$ 483
Sun 6/97:55 a.m. -
2 stops16h 20m
Tue 15/92:22 p.m. -
1 stop7h 20m
Deal found 17/8C$ 489
Wed 9/93:25 p.m. -
1 stop8h 25m
Tue 15/91:25 p.m. -
1 stop8h 41m
Deal found 18/8C$ 469
Wed 9/96:00 a.m. -
1 stop7h 53m
Sat 19/91:25 p.m. -
1 stop8h 41m
Deal found 17/8C$ 502
Fri 11/94:15 p.m. -
2 stops17h 09m
Sat 19/92:22 p.m. -
1 stop7h 20m
Deal found 17/8C$ 487
Mon 14/96:00 a.m. -
1 stop7h 45m
Tue 15/91:25 p.m. -
1 stop8h 41m
Deal found 18/8C$ 509
Sat 19/93:25 p.m. -
1 stop8h 25m
Sat 26/91:25 p.m. -
1 stop8h 41m
Deal found 19/8C$ 425
Sat 26/96:00 a.m. -
1 stop7h 45m
Sat 10/101:25 p.m. -
1 stop8h 41m
Deal found 18/8C$ 437
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 21 August 2026.
Wed 16/97:00 a.m. -
1 stop7h 34m
Deal found 17/8C$ 222
Sat 19/93:25 p.m. -
1 stop8h 25m
Deal found 18/8C$ 262
Wed 23/93:25 p.m. -
1 stop8h 25m
Deal found 16/8C$ 263
Wed 16/93:25 p.m. -
1 stop8h 25m
Deal found 18/8C$ 267
Sat 30/13:00 p.m. -
1 stop8h 36m
Deal found 21/8C$ 269
Wed 14/104:15 p.m. -
2 stops17h 31m
Deal found 20/8C$ 274
Tue 27/104:15 p.m. -
2 stops17h 31m
Deal found 17/8C$ 278
Sat 3/106:45 a.m. -
2 stops30h 49m
Deal found 19/8C$ 281
Wed 16/97:50 a.m. -
2 stops12h 57m
Deal found 18/8C$ 285
Sat 21/119:20 p.m. -
1 stop15h 10m
Deal found 20/8C$ 287
Wed 14/107:00 a.m. -
1 stop7h 34m
Deal found 20/8C$ 294
Wed 9/93:25 p.m. -
1 stop8h 25m
Deal found 18/8C$ 301
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 21 August 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 7,457,451 searches. Data last updated 21 August 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 Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Tue 12/1
6:10 a.m.-3:40 p.m.
1 stop8h 30m
San Juan Luis Munoz Marin Intl
Wed 27/1
8:10 a.m.-3:02 p.m.
1 stop7h 52m
C$ 426
MontrealSan Juan
YUL Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sat 17/10
6:00 a.m.-1:45 p.m.
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Sat 24/10
1:25 p.m.-10:06 p.m.
1 stop8h 41m
C$ 505
Quickest round-trip
MontrealSan Juan
YUL Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sat 23/1
3:00 p.m.-12:36 a.m.
1 stop8h 36m
San Juan Luis Munoz Marin Intl
Sat 30/1
3:35 p.m.-7:30 p.m.
Nonstop4h 55m
C$ 531
MontrealSan Juan
YUL Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Fri 22/1
3:00 p.m.-12:36 a.m.
1 stop8h 36m
San Juan Luis Munoz Marin Intl
Tue 2/2
8:10 a.m.-3:02 p.m.
1 stop7h 52m
C$ 567
MontrealSan Juan
YUL Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sat 3/10
6:00 a.m.-1:45 p.m.
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Sat 10/10
1:25 p.m.-10:06 p.m.
1 stop8h 41m
C$ 568
MontrealSan Juan
YUL Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sat 14/11
3:00 p.m.-12:36 a.m.
1 stop8h 36m
San Juan Luis Munoz Marin Intl
Mon 23/11
1:00 p.m.-9:42 p.m.
1 stop9h 42m
C$ 569
MontrealSan Juan
YUL Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sat 14/11
2:13 p.m.-10:22 p.m.
1 stop7h 09m
San Juan Luis Munoz Marin Intl
Sun 22/11
8:05 a.m.-3:16 p.m.
1 stop8h 11m
C$ 569
MontrealSan Juan
YUL Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sun 17/1
3:00 p.m.-12:36 a.m.
1 stop8h 36m
San Juan Luis Munoz Marin Intl
Wed 27/1
8:10 a.m.-3:02 p.m.
1 stop7h 52m
C$ 569
MontrealSan Juan
YUL Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Sun 4/10
6:00 a.m.-1:45 p.m.
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Tue 6/10
1:25 p.m.-10:06 p.m.
1 stop8h 41m
C$ 638
MontrealSan Juan
YUL Montreal Pierre Elliott Trudeau Intl - SJU San Juan Luis Munoz Marin Intl
YULSJU
Montreal Pierre Elliott Trudeau Intl
Thu 3/9
6:00 a.m.-1:45 p.m.
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Thu 10/9
2:55 p.m.-10:06 p.m.
1 stop7h 11m
C$ 658
Flights are sorted by cheapest round-trip flights first.
Deals found on 17/8
Showing 1-10 of 19 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
What is the cheapest month to book a flight from Montreal to San Juan?
Currently, September is the cheapest month in which you can book a flight from Montreal to San Juan (average of C$ 429). Flying from Montreal to San Juan in December is currently the most expensive (average of C$ 1,044). 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?
Airfare is below average for this route at the moment.
Montreal to San Juan flights typically cost between C$ 467 and C$ 790 in September.The cheapest round-trip price found within the last 5 days was C$ 425 on United Airlines (19 Sep-26 Sep).
How often are flights from Montreal to San Juan delayed?
About 6% of weekly flights between Montreal and San Juan have experienced delays in the past year, with the average delay time being 148 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 9% of flights being delayed.
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 69 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.
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 21 August 2026.
Check out reviews from past customers who have flown with United Airlines,WestJet, andAmerican Airlines 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.
Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
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 30m. Fly via United Airlines to get the fastest option. Montreal and San Juan are separated by a distance of 3087 km.
What are the cheapest airlines flying from Montreal to San Juan round-trip?
Currently priced at C$ 285, 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 Air Canada and United Airlines - these airlines can fly you to your destination from C$ 347 and C$ 377, 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 Arajet (C$ 180), American Airlines (C$ 231), and United Airlines (C$ 239).
What are the cheapest flights from Montreal to San Juan?
While on average a flight from Montreal to San Juan is generally C$ 470, our data shows the cheapest flight currently is C$ 436. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Juan Luis Munoz Marin Intl), you can expect to pay C$ 425 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, September is the cheapest month in which you can book a flight from Montreal to San Juan (average of C$ 429). Flying from Montreal to San Juan in December is currently the most expensive (average of C$ 1,044). 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 7,457,451 searches. Data last updated 21 August 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!
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