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MTN to BFI: distance & flight time
Baltimore (Martin State Airport) → Seattle (Boeing Field King County International Airport)
2,335 mi
3,758 km · 2,029 nm
5h 3m
estimated nonstop flight time
-3h
time difference · heading northwest
See live MTN→BFI fares Phone-only fares on this route — call free
Flight time details
2,335 miles nonstop takes roughly 5h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- MTN — Martin State Airport · Baltimore, 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 MTN
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 MTN from BFI?
The flight distance from Baltimore (MTN) to Seattle (BFI) is 2,335 miles (3,758 km, 2,029 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MTN to BFI?
A nonstop flight takes about 5h 3m 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 Baltimore and Seattle?
Seattle is 3 hours behind Baltimore.
What is the cheapest way to fly from MTN to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MTN–BFI that never appear on search engines, with no booking fees.