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YWM to SFO: distance & flight time
Williams Harbour (Williams Harbour Airport) → San Francisco (San Francisco International Airport)
3,280 mi
5,278 km · 2,850 nm
6h 54m
estimated nonstop flight time
-4.5h
time difference · heading west
See live YWM→SFO fares Phone-only fares on this route — call free
Flight time details
3,280 miles nonstop takes roughly 6h 54m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time set-back when reading arrival times on your ticket.
The two airports
- YWM — Williams Harbour Airport · Williams Harbour, Canada
- SFO — San Francisco International Airport · San Francisco, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near YWM
- YFX · St. Lewis (Fox Harbour) Airport14 mi away
- YMH · Mary's Harbour Airport18 mi away
- YHA · Port Hope Simpson Airport21 mi away
- YBI · Black Tickle Airport62 mi away
Near SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Frequently asked questions
How far is YWM from SFO?
The flight distance from Williams Harbour (YWM) to San Francisco (SFO) is 3,280 miles (5,278 km, 2,850 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YWM to SFO?
A nonstop flight takes about 6h 54m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from YWM to SFO?
Nonstop service on YWM–SFO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 6h 54m nonstop estimate.
What is the time difference between Williams Harbour and San Francisco?
San Francisco is 4.5 hours behind Williams Harbour.
What is the cheapest way to fly from YWM to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YWM–SFO that never appear on search engines, with no booking fees.
Why are some YWM to SFO fares phone-only?
Consolidator contracts let us sell certain YWM–SFO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.