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ASE to CEI: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Chiang Rai (Chiang Rai International Airport)
7,998 mi
12,871 km · 6,950 nm
16h 9m
estimated nonstop flight time
+13h
time difference · heading northwest
See live ASE→CEI fares Phone-only fares on this route — call free
Flight time details
7,998 miles nonstop takes roughly 16h 9m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, United States
- CEI — Chiang Rai International Airport · Chiang Rai, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 mi away
Near CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Frequently asked questions
How far is ASE from CEI?
The flight distance from Aspen (ASE) to Chiang Rai (CEI) is 7,998 miles (12,871 km, 6,950 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to CEI?
A nonstop flight takes about 16h 9m 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 Aspen and Chiang Rai?
Chiang Rai is 13 hours ahead of Aspen.
What is the cheapest way to fly from ASE to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–CEI that never appear on search engines, with no booking fees.