Need help booking?
Unpublished phone-only deals available
MST to BFI: distance & flight time
Maastricht (Maastricht Aachen Airport) → Seattle (Boeing Field King County International Airport)
4,971 mi
7,999 km · 4,319 nm
10h 13m
estimated nonstop flight time
-9h
time difference · heading northwest
See live MST→BFI fares Phone-only fares on this route — call free
Flight time details
4,971 miles nonstop takes roughly 10h 13m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- MST — Maastricht Aachen Airport · Maastricht, Netherlands
- 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 MST
- GKE · Geilenkirchen Air Base12 mi away
- AAH · Aachen-Merzbrück Airport19 mi away
- LGG · Liège Airport24 mi away
- MGL · Mönchengladbach Airport39 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 MST from BFI?
The flight distance from Maastricht (MST) to Seattle (BFI) is 4,971 miles (7,999 km, 4,319 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MST to BFI?
A nonstop flight takes about 10h 13m 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 Maastricht and Seattle?
Seattle is 9 hours behind Maastricht.
What is the cheapest way to fly from MST to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MST–BFI that never appear on search engines, with no booking fees.