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MOB to BFI: distance & flight time
Mobile (Mobile Regional Airport) → Seattle (Boeing Field King County International Airport)
2,139 mi
3,443 km · 1,859 nm
4h 40m
estimated nonstop flight time
-2h
time difference · heading northwest
See live MOB→BFI fares Phone-only fares on this route — call free
Flight time details
2,139 miles nonstop takes roughly 4h 40m 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
- MOB — Mobile Regional Airport · Mobile, 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 MOB
- BFM · Mobile Downtown Airport11 mi away
- GUF · Jack Edwards Airport44 mi away
- BIX · Keesler Air Force Base45 mi away
- GPT · Gulfport Biloxi International Airport53 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 MOB from BFI?
The flight distance from Mobile (MOB) to Seattle (BFI) is 2,139 miles (3,443 km, 1,859 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MOB to BFI?
A nonstop flight takes about 4h 40m 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 Mobile and Seattle?
Seattle is 2 hours behind Mobile.
What is the cheapest way to fly from MOB to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MOB–BFI that never appear on search engines, with no booking fees.