Cheap flights from Montreal to San Diego from C$ 191
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 10/7. 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?
In general, March is the cheapest month to fly from Montreal to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 433. 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 C$ 450.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart on your flight to San Diego is on a Wednesday when prices can be found for as low as C$ 519. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Sunday is C$ 796.
What is the cheapest time of day to depart on your flight to San Diego?
Flying to San Diego from Montreal in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 466 when looking at flights departing in the afternoon. Flights to San Diego are more costly in the morning, with an average ticket price of C$ 793. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
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 C$ 595 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 C$ 457 on momondo.
What cabin class options are available on Montreal to San Diego flights?
There are 1 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 1% 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
Which 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 60% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 5 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?
2 flights are operational daily from Montreal to San Diego as of June 2025. The most popular departure time for this route is 4:00p.m., with 100% of flights per day taking off in the afternoon.
How many flights depart from Montreal to San Diego on average per week?
14 flights are operational weekly from Montreal to San Diego as of June 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off 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
Best price found | C$ 191 |
|---|---|
Fastest flight time | 5h 50m |
Direct flights | Every day |
Airports in San Diego | 1 airport |
How far is Montreal to San Diego by plane?
A flight from Montreal to San Diego will travel around 3961.3 km. Typically, this will take 5h 50m by plane in normal conditions.
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?
There are 5 operators available for flights from Montreal to San Diego Airport as of June 2025.
How old do you have to be to fly from Montreal to San Diego Airport?
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 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?
momondo data reveals that the most frequently booked plane model on the route from Montreal to San Diego is Airbus A220-300, representing 70.27% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 22.97%, Airbus A321-100/200 at 1.80%, and Airbus A319 at 0.90%.
What is the most popular airline from Montreal to San Diego?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to San Diego is Air Canada (61% of total bookings). The next most popular airlines are United Airlines (22%), Delta (8%), and Porter Airlines (5%).
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 C$ 346 | Free Cancellation | Rating 8.0 288 reviews | |||
| PriceFrom C$ 357 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom C$ 357 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom C$ 359 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 385 | Free Cancellation | Rating 8.0 7,950 reviews |
United Airlines Flights From Montreal to San Diego
United Airlines is one of the most popular airlines flying from Montreal to San Diego, operating 7 flights/week on average for this route. A good United Airlines flight deal for Montreal to San Diego starts from C$ 261 round-trip, up to an average price of C$ 400. Our users have rated United Airlines at 7.4/10.
Air Canada Flights From Montreal to San Diego
Air Canada (7.1/10 from 9,537 reviews) operates around 7 flights from Montreal to San Diego in any given week. The average Air Canada airfare for this route is around C$ 461, with deals from around C$ 261 rare but found on momondo. Referenced prices are for round-trip Montreal to San Diego flight searches in the last 72 hours.
Travelling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
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?
All flight searches from Montreal to San Diego on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Montreal to San Diego?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to San Diego.
I’m not ready to book a flight from Montreal to San Diego right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Montreal to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.