Find Cheapest Airlines Flying from Calgary to San Francisco

Choose from 2 carriers that fly from Calgary to San Francisco, including United Airlines, WestJet, Enjoy the cheapest tickets on this route with WestJet.
United Airlines logo United Airlines
WestJet logo WestJet
Airlines are determined based on actual purchased flight tickets from Calgary to San Francisco according to previous 12 months data from Trip.com.

Explore the cheapest flights from Calgary to San Francisco in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 147, and round-trip direct tickets start at AU$ 241.

Displayed flight fares from Calgary to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Calgary to San Francisco Flight Details

The distance between Calgary and San Francisco is approximately 1,638.97km. It takes around 3 hours 4 minutes on average to fly from Calgary to San Francisco. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceAU$ 147
Cheapest return ticket priceAU$ 233
Off-season for travelNovember
Peak season for travelJuly
Flight distance1,638.97km
Average flight time3 hours 4 minutes
Popular airlineUnited Airlines
Flight statistics for the Calgary–San Francisco route are based on aggregated booking data from Trip.com over the past 12 months.

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

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

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

According to Trip.com's data, the cheapest month for flights from Calgary to San Francisco is May, with an average price of AU$ 194. Conversely, the most expensive month is typically December, with an average price of up to AU$ 417.

AU$ 417
AU$ 306
AU$ 194
AU$ 83
    Cheapest
  • AU$ 220
    Mar
  • AU$ 236
    Apr
  • AU$ 194
    May
  • AU$ 229
    Jun
  • AU$ 263
    Jul
  • AU$ 265
    Aug
  • AU$ 248
    Sep
  • AU$ 268
    Oct
  • AU$ 267
    Nov
  • AU$ 417
    Dec
  • AU$ 283
    Jan
  • AU$ 249
    Feb

What is the cheapest month for round-trip flights from Calgary to San Francisco?

Average price of round-trip flights from Calgary to San Francisco purchased by Trip.com users by month over the past 12 months.

According to historical data from Trip.com, the lowest prices for flights from Calgary to San Francisco are found during April, with an average price of AU$ 247. Conversely, the highest prices are found during December, with an average price of up to AU$ 606.

AU$ 606
AU$ 427
AU$ 247
AU$ 68
    Cheapest
  • AU$ 335
    Mar
  • AU$ 247
    Apr
  • AU$ 334
    May
  • AU$ 398
    Jun
  • AU$ 311
    Jul
  • AU$ 376
    Aug
  • AU$ 331
    Sep
  • AU$ 349
    Oct
  • AU$ 296
    Nov
  • AU$ 606
    Dec
  • AU$ 316
    Jan
  • AU$ 453
    Feb

What's the cheapest day to fly from Calgary to San Francisco?

Data is based on the average flight price for each day of the week from Calgary to San Francisco on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Calgary to San Francisco is Thursday, with average prices lower than on other days. Avoid Monday, as prices are usually highest then.

AU$ 287
AU$ 258
AU$ 229
AU$ 200
    Cheapest
  • AU$ 287
    Mon
  • AU$ 241
    Tue
  • AU$ 257
    Wed
  • AU$ 229
    Thu
  • AU$ 261
    Fri
  • AU$ 239
    Sat
  • AU$ 268
    Sun

When is the cheapest day to fly from Calgary to San Francisco during Good Friday?

Data is based on the lowest one-way fares from Calgary to San Francisco during Good Friday, sourced from the Trip.com database over the last 3 days.

During Good Friday, the cheapest flights from Calgary to San Francisco are on Mar 31, with the lowest fare of AU$ 194.

AU$ 349
AU$ 272
AU$ 194
AU$ 117
  • AU$ 194
    Mar 31
  • AU$ 210
    Apr 1
  • AU$ 220
    Apr 2
  • AU$ 349
    Apr 3
  • AU$ 246
    Apr 4
  • AU$ 299
    Apr 5

Flight FAQs

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

    Based on Trip.com data, WestJet offers one-way fares as low as AU$ 147 on Cheapest nonstop routes (e.g. YYC to SFO on Tue, Apr 7), while Air Canada offers Cheapest nonstop round-trips from AU$ 233 departing on Mon, Apr 20 and returning on Wed, Apr 22.
  • At the moment, you can catch a direct flight from Calgary to San Francisco with the following airlines, including: United Airlines WestJet Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 4 minutes to fly from Calgary (YYC) to San Francisco (SFO).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Calgary to San Francisco 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 12 flight per week flying from Calgary to San Francisco. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA2409 (15:43)
  • To find best deals on flights from Calgary to San Francisco, 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, Apr 7, with one-way flights priced at just AU$ 147.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is WestJet.
    · 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 San Francisco travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Calgary to San Francisco is November, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Calgary to San Francisco on March 24, 2026 with WestJet, with prices starting at AU$ 152.
  • You can land at any one of the following hubs in San Francisco, with Calgary International Airport to San Francisco International Airport (YYC-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).
  • The time difference between San Francisco and Calgary 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.

Trip.com Airline Insights on Flights from Calgary toSan Francisco

Which airlines offer the cheapest nonstop flights from Calgary to San Francisco?

Data is based on the average price of all nonstop flights from Calgary to San Francisco on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, WestJet offers the cheapest nonstop flights from Calgary to San Francisco, with an average price of AU$ 263.

AU$ 165
AU$ 263
AU$ 361
AU$ 459
AU$ 557
WestJet
AU$ 263
WestJet
United Airlines
AU$ 305
United Airlines
Air Canada
AU$ 321
Air Canada
Delta Air Lines
AU$ 348
Delta Air Lines
Alaska Airlines
AU$ 557
Alaska Airlines

Which airlines operate the most flights from Calgary to San Francisco?

Data is based on the number of flights from Calgary to San Francisco operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, United Airlines/Air Canada/Air New Zealand operates the most flights from Calgary to San Francisco, with 8 flight per week.

2
4
6
8
United Airlines
8
United Airlines
Air Canada
8
Air Canada
Air New Zealand
8
Air New Zealand
Emirates
4
Emirates
Delta Air Lines
4
Delta Air Lines
WestJet
4
WestJet

How many flights are there each day from Calgary to San Francisco?

The data is based on the flight numbers for each day of the week from Calgary to San Francisco within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Calgary to San Francisco depart on Friday, and the fewest flights depart on Wednesday.

52
32
12
0
Highest
19
Mon
31
Tue
12
Wed
42
Thu
52
Fri
15
Sat
45
Sun

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.