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BFI to DMK: distance & flight time
Seattle (Boeing Field King County International Airport) → Bangkok (Don Mueang International Airport)
7,436 mi
11,967 km · 6,461 nm
15h 3m
estimated nonstop flight time
+14h
time difference · heading northwest
See live BFI→DMK fares Phone-only fares on this route — call free
Flight time details
7,436 miles nonstop takes roughly 15h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- DMK — Don Mueang International Airport · Bangkok, Thailand
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 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
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
Frequently asked questions
How far is BFI from DMK?
The flight distance from Seattle (BFI) to Bangkok (DMK) 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 BFI to DMK?
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 Seattle and Bangkok?
Bangkok is 14 hours ahead of Seattle.
What is the cheapest way to fly from BFI to DMK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–DMK that never appear on search engines, with no booking fees.