Need help booking?
Unpublished phone-only deals available
MGL to BFI: distance & flight time
Moenchengladbach (Mönchengladbach Airport) → Seattle (Boeing Field King County International Airport)
4,970 mi
7,999 km · 4,319 nm
10h 13m
estimated nonstop flight time
-9h
time difference · heading northwest
See live MGL→BFI fares Phone-only fares on this route — call free
Flight time details
4,970 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
- MGL — Mönchengladbach Airport · Moenchengladbach, Germany
- 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 MGL
- DUS · Düsseldorf Airport12 mi away
- ESS · Essen Mulheim Airport22 mi away
- GKE · Geilenkirchen Air Base27 mi away
- NRN · Weeze Airport30 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 MGL from BFI?
The flight distance from Moenchengladbach (MGL) to Seattle (BFI) is 4,970 miles (7,999 km, 4,319 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MGL 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 Moenchengladbach and Seattle?
Seattle is 9 hours behind Moenchengladbach.
What is the cheapest way to fly from MGL to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MGL–BFI that never appear on search engines, with no booking fees.