Need help booking?
Unpublished phone-only deals available
GMP to UBP: distance & flight time
Seoul (Gimpo International Airport) → Ubon Ratchathani (Ubon Ratchathani Airport)
2,042 mi
3,287 km · 1,775 nm
4h 28m
estimated nonstop flight time
-2h
time difference · heading southwest
See live GMP→UBP fares Phone-only fares on this route — call free
Flight time details
2,042 miles nonstop takes roughly 4h 28m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- UBP — Ubon Ratchathani Airport · Ubon Ratchathani, 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 GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Near UBP
- PKZ · Pakse International Airport61 mi away
- ZVK · Savannakhet Airport90 mi away
- ROI · Roi Et Airport94 mi away
- PXR · Surin Airport95 mi away
Frequently asked questions
How far is GMP from UBP?
The flight distance from Seoul (GMP) to Ubon Ratchathani (UBP) is 2,042 miles (3,287 km, 1,775 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to UBP?
A nonstop flight takes about 4h 28m 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 Seoul and Ubon Ratchathani?
Ubon Ratchathani is 2 hours behind Seoul.
What is the cheapest way to fly from GMP to UBP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–UBP that never appear on search engines, with no booking fees.