Need help booking?
Unpublished phone-only deals available
SOF to UTH: distance & flight time
Sofia (Sofia Airport) → Udon Thani (Udon Thani Airport)
4,879 mi
7,852 km · 4,240 nm
10h 2m
estimated nonstop flight time
+4h
time difference · heading east
See live SOF→UTH fares Phone-only fares on this route — call free
Flight time details
4,879 miles nonstop takes roughly 10h 2m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- SOF — Sofia Airport · Sofia, Bulgaria
- 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 SOF
- PDV · Plovdiv International Airport85 mi away
- INI · Nis Airport90 mi away
- SKP · Skopje Alexander the Great Airport105 mi away
- CRA · Craiova Airport115 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 SOF from UTH?
The flight distance from Sofia (SOF) to Udon Thani (UTH) is 4,879 miles (7,852 km, 4,240 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to UTH?
A nonstop flight takes about 10h 2m 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 Sofia and Udon Thani?
Udon Thani is 4 hours ahead of Sofia.
What is the cheapest way to fly from SOF to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–UTH that never appear on search engines, with no booking fees.