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TDX to BFI: distance & flight time
Trat (Trat Airport) → Seattle (Boeing Field King County International Airport)
7,478 mi
12,034 km · 6,498 nm
15h 8m
estimated nonstop flight time
-14h
time difference · heading northeast
See live TDX→BFI fares Phone-only fares on this route — call free
Flight time details
7,478 miles nonstop takes roughly 15h 8m 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
- TDX — Trat Airport · Trat, 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 TDX
- BBM · Battambang Airport83 mi away
- UTP · U-Tapao International Airport93 mi away
- REP · Siem Reap International Airport128 mi away
- BKK · Suvarnabhumi Airport144 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 TDX from BFI?
The flight distance from Trat (TDX) to Seattle (BFI) is 7,478 miles (12,034 km, 6,498 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TDX to BFI?
A nonstop flight takes about 15h 8m 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 Trat and Seattle?
Seattle is 14 hours behind Trat.
What is the cheapest way to fly from TDX to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TDX–BFI that never appear on search engines, with no booking fees.