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BFI to AAH: distance & flight time
Seattle (Boeing Field King County International Airport) → Aachen (Aachen-Merzbrück Airport)
4,986 mi
8,024 km · 4,333 nm
10h 15m
estimated nonstop flight time
+9h
time difference · heading northeast
See live BFI→AAH fares Phone-only fares on this route — call free
Flight time details
4,986 miles nonstop takes roughly 10h 15m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- AAH — Aachen-Merzbrück Airport · Aachen, Germany
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 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
Near AAH
- GKE · Geilenkirchen Air Base11 mi away
- MST · Maastricht Aachen Airport19 mi away
- MGL · Mönchengladbach Airport31 mi away
- LGG · Liège Airport35 mi away
Frequently asked questions
How far is BFI from AAH?
The flight distance from Seattle (BFI) to Aachen (AAH) is 4,986 miles (8,024 km, 4,333 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to AAH?
A nonstop flight takes about 10h 15m 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 Seattle and Aachen?
Aachen is 9 hours ahead of Seattle.
What is the cheapest way to fly from BFI to AAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–AAH that never appear on search engines, with no booking fees.