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DEN to CEI: distance & flight time
Denver (Denver International Airport) → Chiang Rai (Chiang Rai International Airport)
8,011 mi
12,893 km · 6,962 nm
16h 10m
estimated nonstop flight time
+13h
time difference · heading northwest
See live DEN→CEI fares Phone-only fares on this route — call free
Flight time details
8,011 miles nonstop takes roughly 16h 10m 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
- DEN — Denver International Airport · Denver, 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 DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 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 DEN from CEI?
The flight distance from Denver (DEN) to Chiang Rai (CEI) is 8,011 miles (12,893 km, 6,962 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEN to CEI?
A nonstop flight takes about 16h 10m 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 Denver and Chiang Rai?
Chiang Rai is 13 hours ahead of Denver.
What is the cheapest way to fly from DEN to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEN–CEI that never appear on search engines, with no booking fees.