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UTH to SUS: distance & flight time
Udon Thani (Udon Thani Airport) → Null (Spirit of St Louis Airport)
8,468 mi
13,627 km · 7,358 nm
17h 4m
estimated nonstop flight time
-12h
time difference · heading north
See live UTH→SUS fares Phone-only fares on this route — call free
Flight time details
8,468 miles nonstop takes roughly 17h 4m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- UTH — Udon Thani Airport · Udon Thani, Thailand
- SUS — Spirit of St Louis Airport · Null, United States
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 UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Near SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is UTH from SUS?
The flight distance from Udon Thani (UTH) to Null (SUS) is 8,468 miles (13,627 km, 7,358 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UTH to SUS?
A nonstop flight takes about 17h 4m 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 Udon Thani and Null?
Null is 12 hours behind Udon Thani.
What is the cheapest way to fly from UTH to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UTH–SUS that never appear on search engines, with no booking fees.