Cheap flights from Montreal to San Diego from $140
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 Diego departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Montreal to San Diego
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Air Canada flights from Montreal to San Diego
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How to get the cheapest flight ticket from Montreal to San Diego
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 Diego?
If you are unable to visit San Diego during the month of March, then departing from Montreal during the month April is also very affordable. Most momondo users find prices during this month for around $329.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Montreal to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $233. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $428. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $269. Flights in the morning are often more expensive with an average ticket price of $551.
What is the cheapest Montreal to San Diego flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to San Diego for the best Montreal - San Diego flight prices
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from Montreal when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $435 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Montreal for as low as $334 on momondo.
What cabin class options are available on Montreal to San Diego flights?
There are 3 cabin classes available to choose from on Montreal to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Montreal to San Diego flights?
You could potentially save up to 10% on your flight if you consider stops on a Montreal to San Diego flight.
How have Montreal to San Diego flight prices changed over time?
As of June 2025, prices for Montreal to San Diego flights are approximately 40% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Montreal to San Diego?
WestJet, American Airlines, and United Airlines are the most popular carriers operating from Montreal to San Diego
What airlines fly to San Diego?
Air Canada, United Airlines and Delta are the top three most popular airlines that fly to San Diego from Montreal according to our data. Air Canada is the first choice among our users, with 66% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 3 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
How many flights depart from Montreal to San Diego on average per day?
As of June 2025, 2 flights take off from Montreal and land in San Diego each day. The most common flight departure time for this route is 4:00PM, with 100% of daily flights taking off in the afternoon.
How many flights depart from Montreal to San Diego on average per week?
The number of flights available between Montreal and San Diego is 14 per week as of June 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from Montreal to San Diego
Cheap Montreal to San Diego (YMQ to SAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal to San Diego
How far is Montreal to San Diego by plane?
San Diego is 2461.4 mi away from Montreal. 5h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Montreal to San Diego Airport?
Prices for flights from Montreal to San Diego Airport are updated daily.
How many operators does momondo search for flights from Montreal to San Diego Airport?
As of June 2025, there are 3 operators available to choose from for flights from Montreal to San Diego Airport.
How old do you have to be to fly from Montreal to San Diego Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montreal to San Diego?
Based on momondo bookings for flights between Montreal and San Diego, the leading plane model is Airbus A220-300, making up 70.27% of the total bookings. Other popular models include Boeing 737 MAX 8 with 22.97%, Airbus A321-100/200 with 1.80%, and Airbus A319 with 0.90%.
What is the most popular airline from Montreal to San Diego?
momondo data reveals that the most frequently booked airline on the route from Montreal to San Diego is Air Canada, representing 41% of all bookings. The subsequent popular airlines are United Airlines at 26%, Delta at 19%, and American Airlines at 13%.
Best airlines flying from Montreal to San Diego
Compare and see reviews for airlines that fly from Montreal to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $235 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $263 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $328 | Free Cancellation | Rating 8.0 7,946 reviews |
United Airlines Flights From Montreal to San Diego
The lowest priced United Airlines flight from Montreal to San Diego from the last 72 hours was $263. Generally, United Airlines has 7 flights on this route every week with an average price of $389. United Airlines is rated 7.4/10 by our users.
Air Canada Flights From Montreal to San Diego
Across 9,537 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Montreal to San Diego about 7 times each week, with ticket deals ranging from $235 to $428. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near San Diego?
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Why should I use momondo to find a flight deal from Montreal to San Diego?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to San Diego for you.
Can I find flights from Montreal to San Diego with flexible booking policies on momondo?
Yes. All flights to San Diego from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Montreal to San Diego?
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 Diego from Montreal.
I’m not ready to book a flight from Montreal to San Diego right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Montreal to San Diego 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.