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BFI to BTM: distance & flight time
Seattle (Boeing Field King County International Airport) → Butte (Bert Mooney Airport)
476 mi
767 km · 414 nm
1h 30m
estimated nonstop flight time
+1h
time difference · heading east
See live BFI→BTM fares Phone-only fares on this route — call free
Flight time details
476 miles nonstop takes roughly 1h 30m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- BTM — Bert Mooney Airport · Butte, 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 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
Near BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Frequently asked questions
How far is BFI from BTM?
The flight distance from Seattle (BFI) to Butte (BTM) is 476 miles (767 km, 414 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to BTM?
A nonstop flight takes about 1h 30m 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 Seattle and Butte?
Butte is 1 hour ahead of Seattle.
What is the cheapest way to fly from BFI to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–BTM that never appear on search engines, with no booking fees.