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SEA to TXG: distance & flight time
Seattle (Seattle Tacoma International Airport) → Taichung (Taichung Airport)
6,134 mi
9,871 km · 5,330 nm
12h 30m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SEA→TXG fares Phone-only fares on this route — call free
Flight time details
6,134 miles nonstop takes roughly 12h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- TXG — Taichung Airport · Taichung, Taiwan
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 TXG
- RMQ · Taichung Ching Chuang Kang Airport6 mi away
- HSZ · Hsinchu Air Base47 mi away
- CYI · Chiayi Airport53 mi away
- HUN · Hualien Airport62 mi away
Frequently asked questions
How far is SEA from TXG?
The flight distance from Seattle (SEA) to Taichung (TXG) is 6,134 miles (9,871 km, 5,330 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to TXG?
A nonstop flight takes about 12h 30m 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 Taichung?
Taichung is 15 hours ahead of Seattle.
What is the cheapest way to fly from SEA to TXG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–TXG that never appear on search engines, with no booking fees.