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CEI to SEA: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Seattle (Seattle Tacoma International Airport)
7,095 mi
11,418 km · 6,165 nm
14h 23m
estimated nonstop flight time
-14h
time difference · heading northeast
See live CEI→SEA fares Phone-only fares on this route — call free
Flight time details
7,095 miles nonstop takes roughly 14h 23m 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
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- SEA — Seattle Tacoma 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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
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
Frequently asked questions
How far is CEI from SEA?
The flight distance from Chiang Rai (CEI) to Seattle (SEA) is 7,095 miles (11,418 km, 6,165 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to SEA?
A nonstop flight takes about 14h 23m 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 Chiang Rai and Seattle?
Seattle is 14 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–SEA that never appear on search engines, with no booking fees.