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UBP to SUS: distance & flight time
Ubon Ratchathani (Ubon Ratchathani Airport) → Null (Spirit of St Louis Airport)
8,579 mi
13,806 km · 7,455 nm
17h 17m
estimated nonstop flight time
-12h
time difference · heading north
See live UBP→SUS fares Phone-only fares on this route — call free
Flight time details
8,579 miles nonstop takes roughly 17h 17m 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
- UBP — Ubon Ratchathani Airport · Ubon Ratchathani, 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 UBP
- PKZ · Pakse International Airport61 mi away
- ZVK · Savannakhet Airport90 mi away
- ROI · Roi Et Airport94 mi away
- PXR · Surin Airport95 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 UBP from SUS?
The flight distance from Ubon Ratchathani (UBP) to Null (SUS) is 8,579 miles (13,806 km, 7,455 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBP to SUS?
A nonstop flight takes about 17h 17m 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 Ubon Ratchathani and Null?
Null is 12 hours behind Ubon Ratchathani.
What is the cheapest way to fly from UBP to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBP–SUS that never appear on search engines, with no booking fees.