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SXI to UTH: distance & flight time
Siri Island (Sirri Island Airport) → Udon Thani (Udon Thani Airport)
3,137 mi
5,048 km · 2,726 nm
6h 37m
estimated nonstop flight time
+3.5h
time difference · heading east
See live SXI→UTH fares Phone-only fares on this route — call free
Flight time details
3,137 miles nonstop takes roughly 6h 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
- SXI — Sirri Island Airport · Siri Island, 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 SXI
- DXB · Dubai International Airport69 mi away
- AEU · Abu Musa Island Airport31 mi away
- BDH · Bandar Lengeh Airport47 mi away
- KIH · Kish International Airport55 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 SXI from UTH?
The flight distance from Siri Island (SXI) to Udon Thani (UTH) is 3,137 miles (5,048 km, 2,726 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SXI to UTH?
A nonstop flight takes about 6h 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 Siri Island and Udon Thani?
Udon Thani is 3.5 hours ahead of Siri Island.
What is the cheapest way to fly from SXI to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SXI–UTH that never appear on search engines, with no booking fees.