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AUS to BFI: distance & flight time
Austin (Austin Bergstrom International Airport) → Seattle (Boeing Field King County International Airport)
1,772 mi
2,852 km · 1,540 nm
3h 56m
estimated nonstop flight time
-2h
time difference · heading northwest
See live AUS→BFI fares Phone-only fares on this route — call free
Flight time details
1,772 miles nonstop takes roughly 3h 56m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- AUS — Austin Bergstrom International Airport · Austin, 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 AUS
- RND · Randolph Air Force Base59 mi away
- GRK · Robert Gray Army Air Field Airport61 mi away
- HLR · Hood Army Air Field65 mi away
- SAT · San Antonio International Airport66 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 AUS from BFI?
The flight distance from Austin (AUS) to Seattle (BFI) is 1,772 miles (2,852 km, 1,540 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AUS to BFI?
A nonstop flight takes about 3h 56m 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 Austin and Seattle?
Seattle is 2 hours behind Austin.
What is the cheapest way to fly from AUS to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AUS–BFI that never appear on search engines, with no booking fees.