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SEA to BKK: distance & flight time
Seattle (Seattle Tacoma International Airport) → Bangkok (Suvarnabhumi Airport)
7,449 mi
11,988 km · 6,473 nm
15h 4m
estimated nonstop flight time
+14h
time difference · heading northwest
See live SEA→BKK fares Phone-only fares on this route — call free
Flight time details
7,449 miles nonstop takes roughly 15h 4m 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
- SEA — Seattle Tacoma International Airport · Seattle, United States
- BKK — Suvarnabhumi 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 SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Near BKK
- DMK · Don Mueang International Airport19 mi away
- KDT · Kamphaeng Saen Airport63 mi away
- UTP · U-Tapao International Airport71 mi away
- HHQ · Hua Hin Airport90 mi away
Frequently asked questions
How far is SEA from BKK?
The flight distance from Seattle (SEA) to Bangkok (BKK) is 7,449 miles (11,988 km, 6,473 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to BKK?
A nonstop flight takes about 15h 4m 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 SEA to BKK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–BKK that never appear on search engines, with no booking fees.