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SEA to TKH: distance & flight time
Seattle (Seattle Tacoma International Airport) → Nakhon Sawan (Takhli Airport)
7,367 mi
11,856 km · 6,402 nm
14h 55m
estimated nonstop flight time
+14h
time difference · heading northwest
See live SEA→TKH fares Phone-only fares on this route — call free
Flight time details
7,367 miles nonstop takes roughly 14h 55m 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
- TKH — Takhli Airport · Nakhon Sawan, 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 TKH
- KDT · Kamphaeng Saen Airport85 mi away
- DMK · Don Mueang International Airport97 mi away
- PHS · Phitsanulok Airport104 mi away
- BKK · Suvarnabhumi Airport114 mi away
Frequently asked questions
How far is SEA from TKH?
The flight distance from Seattle (SEA) to Nakhon Sawan (TKH) is 7,367 miles (11,856 km, 6,402 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to TKH?
A nonstop flight takes about 14h 55m 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 Nakhon Sawan?
Nakhon Sawan is 14 hours ahead of Seattle.
What is the cheapest way to fly from SEA to TKH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–TKH that never appear on search engines, with no booking fees.