$159 Find Cheap Flights from Montreal to San Diego - Compare and Save

Among airlines operating Montreal Pierre Elliott Trudeau Intl Airport to San Diego flights:

• Air Canada: offers extra legroom; offers free seat selection
• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Air Canada operates flights between Montreal Pierre Elliott Trudeau Intl Airport and San Diego.

Flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego usually depart from Montreal Pierre Elliott Trudeau Intl (YUL) and arrive at San Diego (SAN).

Here are some options for this route, based on selected ticket types and cabin classes:

• Air Canada: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $359 round-trip via Calgary (YYC), compared to $449 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $25–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A220-300 family is used most often on this route, operated mainly by United Airlines and Air Canada. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

One-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego most commonly connect through:

• Toronto Pearson Intl (YYZ) - 32% of one-stop connections
• Chicago O'Hare Intl (ORD) - 22% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 13% of one-stop connections
• Denver Intl (DEN) - 7% of one-stop connections

Toronto Pearson Intl (YYZ) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 33% on the Montreal Pierre Elliott Trudeau Intl Airport to San Diego route. Wednesday is the cheapest departure day at $427 round-trip on average, while Sunday is the most expensive at $634, a difference of $207. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

These are the earliest and latest flight times available from Montreal Pierre Elliott Trudeau Intl Airport to San Diego:

• Earliest: departs at 5:45 pm and lands at 11:36 pm
• Latest: departs at 5:45 pm and lands at 11:36 pm.

The flight takes about 5h 51m.

Last-minute fares on this route - booked within 2 weeks of departure - run 47% above the route average of $468. Book 26 weeks before departure for the lowest fares.

A nonstop flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego takes 5h 51m, covering 2,453 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Montreal Pierre Elliott Trudeau Intl Airport to San Diego are currently lower than usual. Average one-way flight prices are about $226, which is 22% below the typical average for this route.

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 47m, compared with 8h 28m via Toronto Pearson Intl (YYZ) and 8h 53m via Washington, D.C. Dulles Intl (IAD).

San Diego is 3 hours behind Montreal Pierre Elliott Trudeau Intl Airport (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
• Dollar
• Payless
• Europcar
• Thrifty
• Fox

Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego range from $400 to $593, with an average of $468 over the past 12 months. Anything below $400 counts as a good deal.

Air Canada is the only airline on the Montreal Pierre Elliott Trudeau Intl Airport to San Diego route offering in-flight Wi-Fi. Pricing depends on fare class.