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BIL to CEI: distance & flight time
Billings (Billings Logan International Airport) → Chiang Rai (Chiang Rai International Airport)
7,556 mi
12,161 km · 6,566 nm
15h 17m
estimated nonstop flight time
+13h
time difference · heading northwest
See live BIL→CEI fares Phone-only fares on this route — call free
Flight time details
7,556 miles nonstop takes roughly 15h 17m 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
- BIL — Billings Logan International Airport · Billings, 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 BIL
- COD · Yellowstone Regional Airport92 mi away
- LVM · Mission Field92 mi away
- LWT · Lewistown Municipal Airport96 mi away
- SHR · Sheridan County Airport105 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 BIL from CEI?
The flight distance from Billings (BIL) to Chiang Rai (CEI) is 7,556 miles (12,161 km, 6,566 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIL to CEI?
A nonstop flight takes about 15h 17m 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 Billings and Chiang Rai?
Chiang Rai is 13 hours ahead of Billings.
What is the cheapest way to fly from BIL to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIL–CEI that never appear on search engines, with no booking fees.