Cheap flights from San Diego to Montreal

San Diego
SAN
Montreal
YMQ

Flight deals from San Diego to Montreal

Below you can see the best deals on flights San Diego — Montreal for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is $171.

Top 10 cheap flights from San Diego to Montreal

DL
DL
$ 171

San Diego — Montreal

06:15—16:20
5 Sep 2026
7 h 5 m
1 stop
DL
DL
$ 171

San Diego — Montreal

11:48—23:40
5 Sep 2026
8 h 52 m
1 stop
DL
DL
$ 171

San Diego — Montreal

12:45—23:52
5 Sep 2026
8 h 7 m
1 stop
DL
DL
$ 171

San Diego — Montreal

11:30—23:30
5 Sep 2026
9 h
1 stop
DL
DL
$ 171

San Diego — Montreal

10:37—23:52
5 Sep 2026
10 h 15 m
1 stop
DL
DL
$ 173

San Diego — Montreal

22:30—11:36
14 Sep 2026
10 h 6 m
1 stop
DL
DL
$ 173

San Diego — Montreal

06:15—16:20
6 Sep 2026
7 h 5 m
1 stop
DL
DL
$ 173

San Diego — Montreal

11:48—23:40
6 Sep 2026
8 h 52 m
1 stop
DL
DL
$ 173

San Diego — Montreal

11:30—23:30
6 Sep 2026
9 h
1 stop
DL
DL
$ 173

San Diego — Montreal

12:52—23:50
9 Sep 2026
7 h 58 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the San Diego — Montreal flight

Looking for cheap flights from San Diego to Montreal? Compare fares from different airlines, check the flight schedule and travel time — and book your San Diego — Montreal ticket online at the best price.

The route has direct flights — around 39 flights per week, flights are operated by Air Canada, United Airlines, a nonstop flight takes about 5 h 33 min, the distance between the cities is around 3,972 km.

Planning your trip? You may find our Montreal travel guide, how to get from the airport into town and Montreal weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $171Min. price
SeptemberCheapest
AugustPeak season
YesDirect flights
3,972 kmDistance
5 h 33 minTravel time
2Airlines
39 / wkFlights

Flight schedule from San Diego to Montreal

The table shows direct flights from San Diego to Montreal on the selected date. The flight takes approximately 5 h 33 min. Regular flights are operated by Air Canada and United Airlines. Departures from San Diego International Airport airports, arrivals at Montreal-Pierre Elliott Trudeau International Airport and St. Hubert Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 16 Aug 2026

Flight ticket prices by day: San Diego — Montreal

Below is a calendar of the lowest flight ticket prices for San Diego — Montreal by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $171 in September, and the most expensive are around $309 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from San Diego to Montreal by month. Tickets are usually cheapest in September (around $186) and priciest in March (about $251) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$195lowMay$209mediumSep$186low
Feb$191lowJun$205lowOct$214medium
Mar$251highJul$237highNov$246high
Apr$218mediumAug$232highDec$242high

Some values are estimated based on seasonality.

When to fly

Weather in Montreal: it is warmest in July (up to 27 °C on average) and coolest in January (around -4 °C). The driest month is September.

Tickets are usually cheapest in September and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Montreal

Dry and wet days · Montreal

Wind speed and direction · Montreal

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How to get the best deal on a San Diego — Montreal ticket

  • Book ahead: fares for San Diego — Montreal are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Montreal is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the San Diego — Montreal route are operated by 2 airlines; Air Canada runs the most flights (around 97% of all flights). Compare carriers, flight shares and schedules below.

  • Air CanadaAC
    13x/week
    WebsiteFleet: 20346M pax/year
    • Direct flight SAN → YUL13x/week
      Duration
      5h 31m
      Days
      MTWTFSS
    97.4%Open →
  • United AirlinesUA
    1x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight SAN → YUL1x/week
    2.6%Open →

Cities and airports on the San Diego — Montreal route

Flights San Diego — Montreal depart from San Diego International Airport and arrive at Montreal-Pierre Elliott Trudeau International Airport and St. Hubert Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

San Diego

SAN
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Montreal

YMQ
Canada
About the cityHow to get thereWeatherAll about the country Canada
Departure airports
Arrival airports

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Frequently asked questions about the San Diego — Montreal flight

How long is the flight from San Diego to Montreal?

A nonstop San Diego — Montreal flight takes about 5 h 33 min — the distance between the cities is around 3,972 km.

How far is it from San Diego to Montreal?

The distance from San Diego to Montreal is about 3,972 km, which a nonstop flight covers in around 5 h 33 min.

Are there direct flights from San Diego to Montreal?

Yes, there are nonstop flights San Diego — Montreal — around 39 flights per week.

Which airlines fly from San Diego to Montreal?

Airlines operating San Diego — Montreal include Air Canada, United Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do San Diego — Montreal flights use?

Flights from San Diego depart from San Diego International Airport, and arrive at Montreal-Pierre Elliott Trudeau International Airport, St. Hubert Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from San Diego to Montreal?

The price of a San Diego — Montreal ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in August. Tickets typically cost between $171 and $309. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights San Diego — Montreal?

Flights San Diego — Montreal are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from San Diego to Montreal?

To catch a low fare San Diego — Montreal, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from San Diego

See all
San FranciscoSeattleLas VegasSan JosePhoenixDenverChicagoSacramentoNew York CityDallasSalt Lake CityAtlantaFresnoLos AngelesPortlandBostonHonoluluOrlandoAustinSanta RosaWashington, D.C.OaklandVancouverSan Jose del CaboBoiseRenoRedmondMinneapolisCharlotteKahuluiSan Luis ObispoHoustonEugeneDetroitMiamiTorontoFort LauderdaleMontereyKailua-KonaTampa

Where else you can fly from Montreal

See all
TorontoNew York CityChicagoOttawaQuebec CityWashington, D.C.HalifaxCalgaryVancouverParisDetroitBostonEdmontonSt. John'sFrederictonAtlantaPhiladelphiaMiamiMinneapolisMonctonLondonWinnipegOrlandoFort LauderdaleCancunPunta CanaNashvilleSan FranciscoRomeCharlottetownLos AngelesFrankfurt am MainCasablancaLas VegasRaleighSidneyDallasLisbonAlgiersAmsterdam

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