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IAH to BFI: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Seattle (Boeing Field King County International Airport)
1,875 mi
3,018 km · 1,629 nm
4h 9m
estimated nonstop flight time
-2h
time difference · heading northwest
See live IAH→BFI fares Phone-only fares on this route — call free
Flight time details
1,875 miles nonstop takes roughly 4h 9m 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
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 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 IAH from BFI?
The flight distance from Houston (IAH) to Seattle (BFI) is 1,875 miles (3,018 km, 1,629 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to BFI?
A nonstop flight takes about 4h 9m 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 Houston and Seattle?
Seattle is 2 hours behind Houston.
What is the cheapest way to fly from IAH to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–BFI that never appear on search engines, with no booking fees.