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GTF to YWM: distance & flight time
Great Falls (Great Falls International Airport) → Williams Harbour (Williams Harbour Airport)
2,430 mi
3,911 km · 2,112 nm
5h 14m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live GTF→YWM fares Phone-only fares on this route — call free
Flight time details
2,430 miles nonstop takes roughly 5h 14m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 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 GTF from YWM?
The flight distance from Great Falls (GTF) to Williams Harbour (YWM) is 2,430 miles (3,911 km, 2,112 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to YWM?
A nonstop flight takes about 5h 14m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Great Falls and Williams Harbour?
Williams Harbour is 3.5 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to YWM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–YWM that never appear on search engines, with no booking fees.