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HSK to BFI: distance & flight time
Huesca (Huesca/Pirineos Airport) → Seattle (Boeing Field King County International Airport)
5,304 mi
8,537 km · 4,609 nm
10h 52m
estimated nonstop flight time
-9h
time difference · heading northwest
See live HSK→BFI fares Phone-only fares on this route — call free
Flight time details
5,304 miles nonstop takes roughly 10h 52m 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
- HSK — Huesca/Pirineos Airport · Huesca, Spain
- 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 HSK
- ZAZ · Zaragoza Air Base47 mi away
- ILD · Lleida-Alguaire Airport50 mi away
- LDE · Tarbes-Lourdes-Pyrénées Airport78 mi away
- PNA · Pamplona Airport83 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 HSK from BFI?
The flight distance from Huesca (HSK) to Seattle (BFI) is 5,304 miles (8,537 km, 4,609 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HSK to BFI?
A nonstop flight takes about 10h 52m 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 Huesca and Seattle?
Seattle is 9 hours behind Huesca.
What is the cheapest way to fly from HSK to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HSK–BFI that never appear on search engines, with no booking fees.