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DMK to BFI: distance & flight time
Bangkok (Don Mueang International Airport) → Seattle (Boeing Field King County International Airport)
7,436 mi
11,967 km · 6,461 nm
15h 3m
estimated nonstop flight time
-14h
time difference · heading northeast
See live DMK→BFI fares Phone-only fares on this route — call free
Flight time details
7,436 miles nonstop takes roughly 15h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- DMK — Don Mueang International Airport · Bangkok, Thailand
- 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 DMK
- BKK · Suvarnabhumi Airport19 mi away
- KDT · Kamphaeng Saen Airport48 mi away
- UTP · U-Tapao International Airport89 mi away
- TKH · Takhli Airport97 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 DMK from BFI?
The flight distance from Bangkok (DMK) to Seattle (BFI) is 7,436 miles (11,967 km, 6,461 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DMK to BFI?
A nonstop flight takes about 15h 3m 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 Bangkok and Seattle?
Seattle is 14 hours behind Bangkok.
What is the cheapest way to fly from DMK to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DMK–BFI that never appear on search engines, with no booking fees.