The cheapest times to fly from SFO to YWL are

  • August 6th to December 9th (except the week of November 19th)
  • December 24th to January 14th (except the week of January 1st)

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 SFO to YWL is early to mid January. Prices can be as high as $1008 for Saturday flights during early to mid July, or as low as $533 for Wednesday flights around early to mid January.


When to Fly to Williams Lake

Flying from San Francisco, CA (SFO) to Williams Lake (YWL) will usually cost between $533 to $778 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid January with an average ticket price of $544. Due to high demand the most expensive time to fly is early to mid July, with an average price of $1008. Planning your trip to low-cost times can easily save you $464 on economy flights and even more on first-class flights. Generally, any price below $635 can be considered a good price for a round-trip SFO to YWL flight.

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

SFO to YWL Flight Prices

Compared to other flights, the SFO to YWL flight is cheaper than the average and costs less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.39, which is a bit above average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Saturdays 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 $159 (22%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $557. Return trip prices are from the YWL to SFO 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 SFO to YWL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 48 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SFO to YWL while comparing.

Destination alternative #1: Kamloops Airport (YKA) in Kamloops

  • 123 miles (198 km) away from YWL
  • Usually 29.76% less expensive than YWL
  • 1-layover flights available

See SFO to YKA flights

Destination alternative #2: Prince George Airport (YXS) in Prince George

  • 120 miles (193 km) away from YWL
  • Usually 23.78% less expensive than YWL
  • 1-layover flights available

See SFO to YXS flights

Destination alternative #3: Quesnel Airport (YQZ) in Quesnel

  • 61 miles (98 km) away from YWL
  • Usually 3.46% less expensive than YWL
  • 1-layover flights available

See SFO to YQZ flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air Canada, Alaska, American, CMA, Delta, Singapore Airlines, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 1006 miles or 1619 kilometers.

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

The real-world flight time for a nonstop SFO to YWL flight is about 2 hour 48 minutes.

How many flights go between San Francisco, CA and Williams Lake?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from SFO to YWL.


Airport Location Info


Departing Airport

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

Return Airport

Destination code YWL
Destination airport name Williams Lake Airport
City Williams Lake
Country Canada
Latitude 52.2
Longitude -122.1


Other Resources

Flights to YWL

Flights from YWL

Flights from SFO

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.