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Cheap Flights from San Francisco to Calgary

Popular airlines from San Francisco to Calgary

You can choose from 3 airlines that fly from San Francisco to Calgary, including Westjet, Air Canada, and United Airlines. United Airlines offers the lowest prices on this route.
Airlines are determined based on actual purchased flight tickets from San Francisco to Calgary according to previous 12 months data from Trip.com.

Explore the cheapest flights from San Francisco to Calgary in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 90, and round-trip direct tickets start at S$ 194.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from San Francisco to Calgary

The distance between San Francisco and Calgary is approximately 1,638.97km. It takes around 2 hours 47 minutes on average to fly from San Francisco to Calgary. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceS$ 65
Cheapest return ticket priceS$ 178
Off-season for travelOctober
Peak season for travelJuly
Flight distance1,638.97km
Average flight time2 hours 47 minutes
Popular airlineWestjet
Flight statistics for the San Francisco–Calgary route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from San Francisco to Calgary.

What is the cheapest month for one-way flights from San Francisco to Calgary?

The average price of one-way flights from San Francisco to Calgary purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from San Francisco to Calgary is Apr, with an average price of S$ 143, and the most expensive month is Aug, with an average price of up to S$ 238.

S$ 238
S$ 191
S$ 143
S$ 96
    Cheapest
  • S$ 177
    Jan
  • S$ 199
    Feb
  • S$ 190
    Mar
  • S$ 143
    Apr
  • S$ 149
    May
  • S$ 220
    Jun
  • S$ 164
    Jul
  • S$ 238
    Aug
  • S$ 186
    Sep
  • S$ 216
    Oct
  • S$ 217
    Nov
  • S$ 221
    Dec

Which day of the week has the lowest fares for flights from San Francisco to Calgary?

The average weekly fares for flights from San Francisco to Calgary on different dates. (Based on Trip.com’s data from the past 12 months)

Based on Trip.com’s data from the past 12 months, Tue offers the lowest fares for flights from San Francisco to Calgary, while Sat typically has the highest fares.

S$ 269
S$ 225
S$ 180
S$ 136
  • S$ 210
    Mon
  • S$ 180
    Tue
  • S$ 203
    Wed
  • S$ 201
    Thu
  • S$ 215
    Fri
  • S$ 269
    Sat
  • S$ 222
    Sun

Frequently Asked Questions

  • Which airlines offer the cheapest flights from San Francisco (SFO) to Calgary (YYC)?

    Based on Trip.com data, Flair Airlines offers one-way fares as low as S$ 65 on Cheapest nonstop routes (e.g. SFO to YYC on Tue, Feb 3), while Flair Airlines offers Cheapest nonstop round-trips from S$ 178 departing on Sun, Mar 1 and returning on Sat, Mar 7.
  • At the moment, you can catch a direct flight from San Francisco to Calgary with the following airlines, including: Westjet United Airlines Air Canada Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 47 minutes to fly from San Francisco (SFO) to Calgary (YYC).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Calgary is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 16 flight per week flying from San Francisco to Calgary. You can check the weekly schedule for popular airlines on this route below: Air Canada: S/M/T/W/T/F/S -- AC4021 (08:44) United Airlines: S/M/T/W/T/F/S -- UA286 (08:44)
  • To find best deals on flights from San Francisco to Calgary, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Feb 3, with one-way flights priced at just S$ 65.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Calgary travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Francisco to Calgary is October, when demand for travel is lower.
  • After crunching the numbers on our January flight calendar, it's currently cheapest to fly from San Francisco to Calgary on January 30, 2026 with Westjet, with prices starting at S$ 192.
  • You can land at any one of the following hubs in Calgary, with San Francisco International Airport to Calgary International Airport (SFO-YYC) is by far the most common option on this route: Calgary International Airport (YYC).
  • The time difference between Calgary and San Francisco is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.