Need help booking?
Unpublished phone-only deals available
CEI to DEF: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Dezful (Dezful Airport)
3,274 mi
5,269 km · 2,845 nm
6h 53m
estimated nonstop flight time
-3.5h
time difference · heading northwest
See live CEI→DEF fares Phone-only fares on this route — call free
Flight time details
3,274 miles nonstop takes roughly 6h 53m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- DEF — Dezful Airport · Dezful, Iran
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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is CEI from DEF?
The flight distance from Chiang Rai (CEI) to Dezful (DEF) is 3,274 miles (5,269 km, 2,845 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to DEF?
A nonstop flight takes about 6h 53m 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 Dezful?
Dezful is 3.5 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–DEF that never appear on search engines, with no booking fees.