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ASR to BFI: distance & flight time
Kayseri (Kayseri Erkilet Airport) → Seattle (Boeing Field King County International Airport)
6,319 mi
10,170 km · 5,491 nm
12h 51m
estimated nonstop flight time
-10h
time difference · heading north
See live ASR→BFI fares Phone-only fares on this route — call free
Flight time details
6,319 miles nonstop takes roughly 12h 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- ASR — Kayseri Erkilet Airport · Kayseri, Turkey
- 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 ASR
- NAV · Nevşehir Kapadokya Airport52 mi away
- VAS · Sivas Nuri Demirağ Airport104 mi away
- TJK · Tokat Airport116 mi away
- KCM · Kahramanmaraş Airport116 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 ASR from BFI?
The flight distance from Kayseri (ASR) to Seattle (BFI) is 6,319 miles (10,170 km, 5,491 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASR to BFI?
A nonstop flight takes about 12h 51m 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 Kayseri and Seattle?
Seattle is 10 hours behind Kayseri.
What is the cheapest way to fly from ASR to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASR–BFI that never appear on search engines, with no booking fees.