The cheapest times to fly from YYD to SFO are

  • January 8th to April 29th (except the weeks of February 5th, March 12th, and March 19th)
  • October 8th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from YYD to SFO is early to mid October. Prices can be as high as $911 for Sunday flights during late December, or as low as $530 for Tuesday flights around early to mid October.


When to Fly to San Francisco

Flying from Smithers (YYD) to San Francisco, CA (SFO) will usually cost between $611 to $781 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $554. Due to high demand the most expensive time to fly is late December, with an average price of $804. Planning your trip to low-cost times can easily save you $250 on economy flights and even more on first-class flights. Generally, any price below $685 can be considered a good price for a round-trip YYD to SFO flight.

See below for a graph of average weekly prices for the YYD to SFO route. All prices are for round-trip tickets in USD.

YYD to SFO Flight Prices

Compared to other flights, the YYD to SFO flight is cheaper than the average and costs much less than the average flight leaving from Smithers. The average price per mile (for a direct flight) is $0.35, which is in the normal range for a flight.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $52 (7%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $657. Return trip prices are from the SFO to YYD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from YYD to SFO can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 10 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from YYD to SFO? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Air Canada, Alaska, Avianca, CMA, Delta, United, and potentially more during busy seasons.

How far away is it from San Francisco International Airport to Smithers Airport?

The distance between the two airports is roughly 1210 miles or 1947 kilometers.

How long does it take to fly from YYD to SFO?

The real-world flight time for a nonstop YYD to SFO flight is about 3 hour 10 minutes.

How many flights go between Smithers and San Francisco, CA?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from YYD to SFO.


Airport Location Info


Departing Airport

Origination code YYD
Origination airport name Smithers Airport
City Smithers
Country Canada
Latitude 54.8
Longitude -127.2

Return Airport

Destination code SFO
Destination airport name San Francisco International Airport
City San Francisco, CA
Country the United States
Latitude 37.6
Longitude -122.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.