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IIL to UTH: distance & flight time
Ilam (Ilam Airport) → Udon Thani (Udon Thani Airport)
3,644 mi
5,864 km · 3,167 nm
7h 37m
estimated nonstop flight time
+3.5h
time difference · heading east
See live IIL→UTH fares Phone-only fares on this route — call free
Flight time details
3,644 miles nonstop takes roughly 7h 37m 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
- UTH — Udon Thani Airport · Udon Thani, 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 UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Frequently asked questions
How far is IIL from UTH?
The flight distance from Ilam (IIL) to Udon Thani (UTH) is 3,644 miles (5,864 km, 3,167 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IIL to UTH?
A nonstop flight takes about 7h 37m 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 Udon Thani?
Udon Thani is 3.5 hours ahead of Ilam.
What is the cheapest way to fly from IIL to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IIL–UTH that never appear on search engines, with no booking fees.