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BIL to BFI: distance & flight time
Billings (Billings Logan International Airport) → Seattle (Boeing Field King County International Airport)
662 mi
1,066 km · 575 nm
1h 54m
estimated nonstop flight time
-1h
time difference · heading west
See live BIL→BFI fares Phone-only fares on this route — call free
Flight time details
662 miles nonstop takes roughly 1h 54m 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
- BIL — Billings Logan International Airport · Billings, 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 BIL
- COD · Yellowstone Regional Airport92 mi away
- LVM · Mission Field92 mi away
- LWT · Lewistown Municipal Airport96 mi away
- SHR · Sheridan County Airport105 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 BIL from BFI?
The flight distance from Billings (BIL) to Seattle (BFI) is 662 miles (1,066 km, 575 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIL to BFI?
A nonstop flight takes about 1h 54m 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 Billings and Seattle?
Seattle is 1 hour behind Billings.
What is the cheapest way to fly from BIL to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIL–BFI that never appear on search engines, with no booking fees.