SAN - YUL

$127 Find Cheap Flights from San Diego to Montreal

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Diego to Montreal departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Montreal Pierre Elliott Trudeau Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Montreal, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Montreal, as well as popular online travel agencies
Travelers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$334
Overall average: $520
WestJet
Τρι 4/28Πεμ 4/30
SAN - YUL • 1 stop
Cheapest non-stop
$354
Air Canada
Τρι 5/26Δευ 6/1
SAN - YUL • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
United's Economy Plus offers 6 extra inches of legroom.
The 747 bus from YUL to downtown is affordable but slow.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
WestJet
Cheapest • from $334 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 39% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
May
Cheapest • 42% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Montreal!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Diego to Montreal (SAN-YUL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Diego to Montreal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Montreal

Τρι, Απρ 28 - Πεμ, Απρ 30
WestJet Logo
3:30 pm - 7:05 am
SAN
-
YUL
12h 35m
1 stop
WestJet Logo
7:15 am - 2:10 pm
YUL
-
SAN
9h 55m
1 stop
$334WestJet
Δευ, Απρ 27 - Παρ, Μαϊ 1
Multiple Airlines Logo
9:07 pm - 12:25 am
SAN
-
YUL
24h 18m
2 stops
Multiple Airlines Logo
7:15 am - 2:10 pm
YUL
-
SAN
9h 55m
1 stop
$335Multiple Airlines
Τρι, Απρ 28 - Πεμ, Απρ 30
WestJet Logo
3:30 pm - 12:25 am
SAN
-
YUL
29h 55m
2 stops
WestJet Logo
7:15 am - 2:10 pm
YUL
-
SAN
9h 55m
1 stop
$342WestJet
Σαβ, Μαϊ 23 - Τετ, Ιουν 3
WestJet Logo
3:30 pm - 7:05 am
SAN
-
YUL
12h 35m
1 stop
WestJet Logo
7:15 am - 2:10 pm
YUL
-
SAN
9h 55m
1 stop
$344WestJet
Δευ, Απρ 27 - Πεμ, Απρ 30
Multiple Airlines Logo
9:07 pm - 12:25 am
SAN
-
YUL
24h 18m
2 stops
Multiple Airlines Logo
8:00 pm - 2:10 pm
YUL
-
SAN
21h 10m
1 stop
$352Multiple Airlines
Τρι, Μαϊ 26 - Δευ, Ιουν 1
Air Canada Logo
7:00 am - 3:31 pm
SAN
-
YUL
5h 31mnonstop
Air Canada Logo
5:45 pm - 8:43 pm
YUL
-
SAN
5h 58mnonstop
$354Air Canada
Τρι, Απρ 7 - Σαβ, Απρ 18
American Airlines Logo
3:12 pm - 11:44 am
SAN
-
YUL
17h 32m
1 stop
American Airlines Logo
12:30 pm - 11:33 pm
YUL
-
SAN
14h 03m
1 stop
$355American Airlines
Τετ, Μαϊ 27 - Σαβ, Μαϊ 30
WestJet Logo
3:30 pm - 7:05 am
SAN
-
YUL
12h 35m
1 stop
WestJet Logo
7:15 am - 2:10 pm
YUL
-
SAN
9h 55m
1 stop
$357WestJet
Τετ, Απρ 15 - Δευ, Απρ 20
American Airlines Logo
1:03 pm - 11:44 am
SAN
-
YUL
19h 41m
1 stop
American Airlines Logo
7:45 am - 10:49 pm
YUL
-
SAN
18h 04m
1 stop
$360American Airlines
Τρι, Απρ 28 - Παρ, Μαϊ 1
WestJet Logo
3:30 pm - 7:05 am
SAN
-
YUL
12h 35m
1 stop
WestJet Logo
7:15 am - 2:10 pm
YUL
-
SAN
9h 55m
1 stop
$364WestJet
Booking Insights

KAYAK's insights & trends for San Diego to Montreal flights

Get data-powered insights and trends into flights from San Diego to Montreal to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from San Diego to Montreal?

The average price of all round-trip flights from San Diego to Montreal Pierre Elliott Trudeau Intl Airport clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Montreal on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from San Diego to Montreal. For your return ticket, we recommend flying on a Wednesday and avoiding Thursdays for the best deals.

What is the cheapest month to fly from San Diego to Montreal Pierre Elliott Trudeau Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Diego to Montreal Pierre Elliott Trudeau Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Diego to Montreal Pierre Elliott Trudeau Intl Airport is May, where tickets cost $284 (return) on average. On the other hand, the most expensive months are November and October, where the average cost of round-trip tickets is $755 and $593 respectively.

Can I save money by flying with a layover from San Diego to Montreal Pierre Elliott Trudeau Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $514, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from San Diego to Montreal Pierre Elliott Trudeau Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Diego to Montreal Pierre Elliott Trudeau Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Diego to Montreal Pierre Elliott Trudeau Intl Airport, you should book around 3 weeks before departure, which saves you about 39% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Expert advice

Expert advice for your flight from San Diego to Montreal

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada and United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Brandon Schultz

Brandon Schultz

Expert on YUL and SAN

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Good to know

Low seasonNovember
Cheapest flight$127
Best time to beat the crowds but there is an average 55% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from San Diego to Montreal

When to book flights from San Diego to Montreal

Are your dates flexible? Find out the best times to travel from San Diego to Montreal based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Diego to Montreal flights

  • What is the cheapest flight from San Diego to Montreal Pierre Elliott Trudeau Intl Airport?

    In the last 3 days, the lowest price for a flight from San Diego to Montreal Pierre Elliott Trudeau Intl Airport was $123 for a one-way ticket and $334 for a round-trip.

  • Do I need a passport to fly between San Diego and Montreal?

    Yes

  • Which airlines offer Wi-Fi service onboard planes from San Diego to Montreal?

    Air Canada, Delta, KLM, Lufthansa, and United Airlines offer inflight Wi-Fi service on the San Diego to Montreal flight route.

  • Which aircraft models fly most regularly from San Diego to Montreal?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the San Diego to Montreal flight route.

  • Which airline alliances offer flights from San Diego to Montreal?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between San Diego and Montreal, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from San Diego to Montreal, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from San Diego to Montreal are Delta and United Airlines. With an average price for the route of $367 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $466 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from San Diego to Montreal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Diego to Montreal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Diego to Montreal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Montreal from San Diego is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Diego to Montreal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Montreal with an airline and back to San Diego with another airline. Booking your flights between San Diego and YUL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Diego to Montreal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Montreal from San Diego up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Diego to Montreal Pierre Elliott Trudeau Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $268 or less one-way and $532 or less round-trip.

Reviews of the top 4 airlines serving from San Diego to Montreal

 
See real verified KAYAK customer reviews for airlines flying from San Diego to Montreal. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Diego to Montreal? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8203 reviews
8.1Boarding
7.2Food
8.5Crew
7.8Entertainment
7.9Comfort
Airline reviews

The plane was an older model, so it wasn’t as comfortable as others. The flight attendants were not helpful during onboarding. It was a full flight so there was chaos finding space for baggage.

8.0 ExcellentBryan, Feb 2026
SFO - ATL
Read more Delta reviews

The plane was an older model, so it wasn’t as comfortable as others. The flight attendants were not helpful during onboarding. It was a full flight so there was chaos finding space for baggage.

Awesome! On time flight, early arrival, and a complimentary upgrade!

It was nt delta. It was aeromexo. Service was awful. They served a very small drink and NO snack for a 3hr and 35min flight. Then for the first 30 min of the flight is was talk and talk over head interruption the movie/ show i picked to watch.

Delta One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

Delta’s staff is unmatched. From the gate agents, to the pilots, to the flight attendants… all top of the industry.

The flight was delayed for about 2 hrs. Other than it, it was good.

I am extremely disappointed that delta internal pilot manuals now refer to the Gulf of Mexico as the “gulf of America”. You can bow down to the Orange turd on your own. I will never fly delta again

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

Our flight from SFO to MSP was right on time on 11/15/2025. No delays. As we approached MSP at about 8 pm, we circled in the air until 8:40 pm so I don't call that efficient for MSP. I think the captain should announce the delay and why. (as if we all don't know that we are just circling around the area, slowing down, speeding up, slowing down.) Thank you. Marilyn Fischer

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

Very disappointing given gate agent behavior. Filed a formal complaint with United.

Crew was great (professional, attentive, prompt). Snacks for 4 hrs flight is deplorable.

Flight delayed. WiFi connectivity very poor if not existant. Last minute arrival forced me to run to catch my connection.

Terrible. No customer service, no food, no drinks on a 6 hour premier economy booking.

Check-in and in-flight staff were better than average. The seat was a fair size but too hard and not enough padding. The cushion/pillow provided is poor (thin and seems to be disposable ,it provides no effective cushioning or support). Food was OK-ish but no choice of inflight snacks and no easy place to get drinks other than water (I could ask for juice by intruding into the staff area at the back of the plane) Entertainment was very good actually. Overall better than I expected from a US-based airline (sorry!) but compared to ANA or Singapore it was so-so. (I live in Japan so they are my comparative airlines)

Terrible. Our first time back on United for 10 years, the seats in Polaris class are small and uncomfortable. They have squished too many people in to get more $$$. The staff are not friendly and not wanting to accommodate. I asked for two salads rather than a main meal and was advised no we wont do that. Then asked what I would like for breakfast and given something else anyway. I will not be flying United International anytime soon.

The food was terrible this time. Otherwise pleasant, quiet, on-time.

It was a pretty standard flight... until the almost hour and a half spent on the taxi way. I get that the weather has been poor but the delay had nothing to do with the weather and more to do with a plane with several issues tying up the gate. I get that that happens from time to time but this has been EVERY flight I've been on for the past 5 years and I fly 3 to 5 times a year. This isn't just United... it's American, it's Delta. It's an issue with the entire industry. I work for UPS and packages on a cargo plane get better service than people do these days. Anymore I HATE flying.

The flight crew where really good. Better then the crew from BNE to SFO

Food should be changed in menu Many muslims travels in this airlime they need to add one Halal meal

Flight was delayed for 2 hours, then last minute the change to on time. The satélite location is far and a nightmare to get to.

We flew in first class. The crew did not offer drinks before the flight took off, but they treated us well during the flight. The food was excellent. There was actually too much food served, but it was nice to have all the options.

For a 5 1/2 hour flite i considered the "business class" to be subpar. The seats were just ok, no amenities, really nothing more than a long domestic flight. Frankly disappointed.

It would be nice to have some low carb options in the snacks.

The entertainment options were at best, fair. It was exactly the same as my outbound flight. It would have been more entertaining if there were some series from Apple TV, HBO, Showtime or other carriers for me to catch up with.

The flight was on time and arrived early. The crew were friendly and helpful.

While I didn’t watch much tv I would have liked a few more options of TV series from Apple TV or hbo max ..

Overall experience was great. Flights were almost on time in departing and we arrived at our destination as scheduled. No issues with amenities or flight crew. Everything went well as as expected. Will fly again with American Airlines in the future!

The flight was very smooth and the meal in business class was great.

I requested a low sodium meal. Reason being, I take medicine for high blood pressure and I wear compression socks on long flights to help with leg swelling. Having less sodium in meals really helps me feel better on long flights. I received my initial low sodium meal after takeoff. Just before landing, the crew came through with the meal cart and offered me what was being served. I said no thank you and then noticed my low sodium meal in the meal cart, with my name and seat assignment on it. I motioned to the crew member, but he grabbed the meal cart and proceeded to move to the rear of the aircraft. He didn’t see me or other passengers who had attempted to get this attention. He was more concerned about completing meal service since we were due to land in under 45 minutes. I pressed the call light five times from my seat to receive help, but no crew member responded to me. So, I didn’t receive a second meal, one that I requested (the low sodium option). This led me to have a migraine from only eating one meal on an 11-hour flight. This is why I’m not a fan of flying US-based airlines overseas. The crew members continue to show the absolute worst customer service experience. I would not recommend flying American for overseas flights.

Couldn't fit knees, only 1 toilet working, didn't get anything to drink cause the stewards were not able to get to us

Our biggest complaint about Air Canada is that if you don’t like your seat during check-in, there’s a fee to move elsewhere. On our flight from YUL to FFL, we were charged to change seats—just regular seats. What’s maddening is that the plane wasn’t even full; there were even a few people sleeping in the middle row sections (entire rows, completely empty), using them as beds. In my opinion, charging passengers for seat changes is a cash grab by Air Canada. They are definitely not the airline they were back in the day. I suppose they need to gouge the consumer now that they pay their attendants while on ground. One out of 10.

Allow me to book extra bag check in as free though I packed in 1 luggage but that was 7 LBS overweight so make another bag to free check in.

Plane left an hour late, I missed my connection and my bow case was never even loaded on the plane in VA. I deal with this type of nonsense everytime I fly air canada.

It was a smooth flight both in the sky and landing!

Fare was great, seat comfort the opposite as cushion was worn out. Ok for 2 hour flight, not for 4.5 hour flight..

For the price, it was a really good experience. There was no entertainment on board, so I couldn't really rate this, and I didn't order a meal. I appreciated that there was a free glass of wine.

Very bad, flight was cancelled due to strike and staff was unable to rebook us

Air Canada is my new fave airline..I plan to use when I can. No complaints at all just rave compliments for the staff and airline.

Strike pissed me n stranded in middle of no where

Everything you need to know for your flight from San Diego to Montreal

Information on your arrival and departure airports