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IIL to CEI: distance & flight time
Ilam (Ilam Airport) → Chiang Rai (Chiang Rai International Airport)
3,392 mi
5,459 km · 2,948 nm
7h 7m
estimated nonstop flight time
+3.5h
time difference · heading east
See live IIL→CEI fares Phone-only fares on this route — call free
Flight time details
3,392 miles nonstop takes roughly 7h 7m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- IIL — Ilam Airport · Ilam, Iran
- 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 IIL
- KSH · Shahid Ashrafi Esfahani Airport68 mi away
- KHD · Khoram Abad Airport109 mi away
- SDG · Sanandaj Airport120 mi away
- XQC · Joint Base Balad120 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 IIL from CEI?
The flight distance from Ilam (IIL) to Chiang Rai (CEI) is 3,392 miles (5,459 km, 2,948 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IIL to CEI?
A nonstop flight takes about 7h 7m 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 Ilam and Chiang Rai?
Chiang Rai is 3.5 hours ahead of Ilam.
What is the cheapest way to fly from IIL to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IIL–CEI that never appear on search engines, with no booking fees.