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BLL to BFI: distance & flight time
Billund (Billund Airport) → Seattle (Boeing Field King County International Airport)
4,769 mi
7,675 km · 4,144 nm
9h 49m
estimated nonstop flight time
-9h
time difference · heading northwest
See live BLL→BFI fares Phone-only fares on this route — call free
Flight time details
4,769 miles nonstop takes roughly 9h 49m 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
- BLL — Billund Airport · Billund, 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 BLL
- EBJ · Esbjerg Airport28 mi away
- STA · Stauning Airport35 mi away
- SKS · Skrydstrup Air Base36 mi away
- KRP · Karup 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 BLL from BFI?
The flight distance from Billund (BLL) to Seattle (BFI) is 4,769 miles (7,675 km, 4,144 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BLL to BFI?
A nonstop flight takes about 9h 49m 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 Billund and Seattle?
Seattle is 9 hours behind Billund.
What is the cheapest way to fly from BLL to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BLL–BFI that never appear on search engines, with no booking fees.