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KUM to UBP: distance & flight time
Yakushima (Yakushima Airport) → Ubon Ratchathani (Ubon Ratchathani Airport)
1,939 mi
3,121 km · 1,685 nm
4h 16m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KUM→UBP fares Phone-only fares on this route — call free
Flight time details
1,939 miles nonstop takes roughly 4h 16m 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
- KUM — Yakushima Airport · Yakushima, Japan
- 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 KUM
- TNE · New Tanegashima Airport25 mi away
- KOJ · Kagoshima Airport98 mi away
- KMI · Miyazaki Airport113 mi away
- ASJ · Amami Airport147 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 KUM from UBP?
The flight distance from Yakushima (KUM) to Ubon Ratchathani (UBP) is 1,939 miles (3,121 km, 1,685 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KUM to UBP?
A nonstop flight takes about 4h 16m 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 Yakushima and Ubon Ratchathani?
Ubon Ratchathani is 2 hours behind Yakushima.
What is the cheapest way to fly from KUM to UBP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KUM–UBP that never appear on search engines, with no booking fees.