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SFO to YWM: distance & flight time
San Francisco (San Francisco International Airport) → Williams Harbour (Williams Harbour Airport)
3,280 mi
5,278 km · 2,850 nm
6h 54m
estimated nonstop flight time
+4.5h
time difference · heading northeast
See live SFO→YWM fares Phone-only fares on this route — call free
Flight time details
3,280 miles nonstop takes roughly 6h 54m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time gain when reading arrival times on your ticket.
The two airports
- SFO — San Francisco International Airport · San Francisco, United States
- YWM — Williams Harbour Airport · Williams Harbour, Canada
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 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
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
Frequently asked questions
How far is SFO from YWM?
The flight distance from San Francisco (SFO) to Williams Harbour (YWM) 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 SFO to YWM?
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 SFO to YWM?
Nonstop service on SFO–YWM 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 San Francisco and Williams Harbour?
Williams Harbour is 4.5 hours ahead of San Francisco.
What is the cheapest way to fly from SFO to YWM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFO–YWM that never appear on search engines, with no booking fees.
Why are some SFO to YWM fares phone-only?
Consolidator contracts let us sell certain SFO–YWM 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.