Cheapflights Tip: The best prices from Calgary to San Francisco are usually found in October or May, booked 66 days in advance, depart on a Monday or Tuesday and return on a Monday
Find flight deals from Calgary to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 January 2026.
Popular in
December
Cheapest in
October
Average price
£192
Good round-trip deal
£209 or less
Good one-way deal
£421 or less
Highest demand for flights based on searches. 19% potential increase in price (£30 potential increase over avg. return price).
Best time to book a flight from Calgary to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Calgary with our price prediction graph.
Estimated return 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.
Cheapflights Insights
Everything you need to know about your flight from Calgary to San Francisco
Prices
Airlines
Delays
How far ahead should I book a flight from Calgary to San Francisco?
Use this chart to determine the optimal time to book a return flight from Calgary to San Francisco. Price data was last updated on 23 January 2026.
To ensure you get the cheapest price possible for a flight from Calgary to San Francisco, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Calgary to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Calgary to San Francisco (average of £63). Flying from Calgary to San Francisco in September is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from YYC to SFO?
Find hourly flight availability from Calgary to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 January 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Calgary to San Francisco as you normally would.
Weekly flight availability from Calgary to San Francisco
Explore weekly flight availability from Calgary to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 27 January 2026.
The most flights from YYC to SFO are scheduled on a Friday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
How often are flights from Calgary to San Francisco delayed?
About 19% of weekly flights between Calgary and San Francisco have experienced delays in the past year, with the average delay time being 147 minutes.
What is the most punctual flight time for Calgary to San Francisco flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Calgary to San Francisco flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 27 January 2026.
Read through reviews of airlines operating flights from Calgary to San Francisco, such as WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Find useful and relevant information for your journey from Calgary to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Calgary to San Francisco flight route?
Flights from Calgary to San Francisco have been viewed 5 times in the past calendar month.
What is the cheapest airline to fly from Calgary to San Francisco round-trip?
Cheapflights users have booked flights from Calgary to San Francisco round-trip from £118. WestJet is 32% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Calgary to San Francisco?
Before booking your flight to San Francisco from Calgary, check out the most reliable airlines to get you to your destination on time: Delta (79%), Aeromexico (79%), KLM( 74%).
Can I find deals for flights from Calgary to San Francisco that include hotel bookings?
Yes. In addition to deals on Calgary to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Calgary to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to San Francisco.
Can I find deals for business class flights from Calgary to San Francisco?
Yes. Cheapflights offers flight deals from Calgary to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Calgary to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Calgary to San Francisco (average of £63). Flying from Calgary to San Francisco in September is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 January 2026.
Discover the top airline that operate flights from Calgary to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 January 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Calgary to San Francisco?
When you search for this flight from Calgary to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Calgary to San Francisco?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Calgary to San Francisco for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Calgary to San Francisco with no change fees?
Yes! Cheapflights helps users easily find flights from Calgary to San Francisco with no change fees.
Can Cheapflights notify me if prices for flights from Calgary to San Francisco become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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