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MSO to BFI: distance & flight time
Missoula (Missoula International Airport) → Seattle (Boeing Field King County International Airport)
387 mi
624 km · 337 nm
1h 29m
estimated nonstop flight time
-1h
time difference · heading west
See live MSO→BFI fares Phone-only fares on this route — call free
Flight time details
387 miles nonstop takes roughly 1h 29m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- MSO — Missoula International Airport · Missoula, United States
- BFI — Boeing Field King County International Airport · Seattle, 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 MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County Airport124 mi away
Near BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Frequently asked questions
How far is MSO from BFI?
The flight distance from Missoula (MSO) to Seattle (BFI) is 387 miles (624 km, 337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to BFI?
A nonstop flight takes about 1h 29m 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 Missoula and Seattle?
Seattle is 1 hour behind Missoula.
What is the cheapest way to fly from MSO to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–BFI that never appear on search engines, with no booking fees.