Flights
Insights
FAQs

Air Canada flights from Montreal to San Francisco (YMQ - SFO)

YMQ — SFO
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Find Air Canada flight deals from Montreal to San Francisco

Enter your travel dates to find the best prices.

Cheapest Air Canada flights from Montreal to San Francisco
Explore the most affordable Air Canada flight options available from Montreal to San Francisco. Find the lowest fares with prices last updated on 13 August 2026.

Sun 6/98:10 a.m. -
Nonstop6h 11m
Thu 10/911:10 a.m. -
Nonstop5h 37m
Deal found 10/8C$ 653
Wed 2/95:40 p.m. -
Nonstop6h 11m
Wed 9/98:10 a.m. -
Nonstop5h 32m
Deal found 9/8C$ 665
Sat 5/95:40 p.m. -
Nonstop6h 11m
Thu 10/911:10 a.m. -
Nonstop5h 37m
Deal found 11/8C$ 666

  • How do most travelers feel about Air Canada?

    11,464 Cheapflights users have left reviews for Air Canada and have rated the airline 7.1/10. If you are looking to travel from Montreal to San Francisco on Air Canada, input your dates in the form above for our best prices!

  • Can I get a flight from Montreal to San Francisco on Air Canada for under C$ 836?

    Air Canada offers 9 flights from Montreal to San Francisco for under C$ 836. Prices vary by date and time. To see all prices and select your dates, click here.

Air Canada flights from Montreal to San Francisco in 2026

Find detailed information about Air Canada flights from Montreal to San Francisco. Explore the options provided by Air Canada to plan your journey from Montreal to San Francisco. Data last updated 13 August 2026.

One-way from

C$ 369

Round-trip from

C$ 653

Popular in

July

Cheapest in

January

Average price (all airlines)

C$ 705
Air Canada
  • Air Canada
  • 21/9
  • Nonstop
  • 6h 07m total
  • Montreal to San Francisco
Search Deals
Air Canada
  • Air Canada
  • 6/9-10/9
  • Nonstop
  • 11h 48m total
  • Montreal to San Francisco
Search Deals
Highest demand for flights from Montreal to San Francisco; 8% potential price increase.
Search Deals
Best time to find cheap flights from Montreal to San Francisco; 2% potential price drop.
Search Deals
Average price for all Montreal to San Francisco flights (one-way and round-trip).
Search Deals

Which month is the cheapest to fly Economy Class from Montreal to San Francisco?

For Economy Class flights, the cheapest month to fly this route is January. The most expensive months are June and July.

Weekly Air Canada flight availability from Montreal to San Francisco

The most Air Canada flights from YMQ to SFO are scheduled on a Wednesday (3 on average). You will have fewer Air Canada flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

When is the best time to book a flight to San Francisco with Air Canada?

The best time to book a flight to San Francisco with Air Canada is 83 days before departure. On average, fares are higher if you book 1 day before departure.

Best time to book a flight from Montreal to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Montreal with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Montreal to San Francisco on another airline

Consider alternative airlines that service the San Francisco area. Flight routes are based on user searches made on Cheapflights and were last updated on 13 August 2026.
United Airlines flights from Montreal to San Francisco

See what others are saying about Air Canada

Read reviews and see what other travellers are saying about their experiences with Air Canada. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Air Canada for your next flight. Reviews last updated 13 August 2026.
Air Canada
7.1
Good
10,000 reviews
Check prices
Overview

Boarding

7.3

Comfort

7.1

Food

6.3

Crew

7.8

Entertainment

6.8

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.