Need help booking?
Unpublished phone-only deals available
SKS to BFI: distance & flight time
Skrydstrup (Skrydstrup Air Base) → Seattle (Boeing Field King County International Airport)
4,802 mi
7,727 km · 4,172 nm
9h 53m
estimated nonstop flight time
-9h
time difference · heading northwest
See live SKS→BFI fares Phone-only fares on this route — call free
Flight time details
4,802 miles nonstop takes roughly 9h 53m 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
- SKS — Skrydstrup Air Base · Skrydstrup, Denmark
- 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 SKS
- SGD · Sønderborg Airport27 mi away
- FLF · Flensburg-Schäferhaus Airport31 mi away
- EBJ · Esbjerg Airport35 mi away
- BLL · Billund Airport36 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 SKS from BFI?
The flight distance from Skrydstrup (SKS) to Seattle (BFI) is 4,802 miles (7,727 km, 4,172 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SKS to BFI?
A nonstop flight takes about 9h 53m 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 Skrydstrup and Seattle?
Seattle is 9 hours behind Skrydstrup.
What is the cheapest way to fly from SKS to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SKS–BFI that never appear on search engines, with no booking fees.