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UKA to USM: distance & flight time
Ukunda (Ukunda Airstrip) → Ko Samui (Samui Airport)
4,273 mi
6,876 km · 3,713 nm
8h 51m
estimated nonstop flight time
+4h
time difference · heading east
See live UKA→USM fares Phone-only fares on this route — call free
Flight time details
4,273 miles nonstop takes roughly 8h 51m 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
- UKA — Ukunda Airstrip · Ukunda, Kenya
- USM — Samui Airport · Ko Samui, 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 UKA
- MBA · Mombasa Moi International Airport18 mi away
- TGT · Tanga Airport65 mi away
- PMA · Pemba Airport69 mi away
- MYD · Malindi Airport82 mi away
Near USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Frequently asked questions
How far is UKA from USM?
The flight distance from Ukunda (UKA) to Ko Samui (USM) is 4,273 miles (6,876 km, 3,713 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UKA to USM?
A nonstop flight takes about 8h 51m 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 Ukunda and Ko Samui?
Ko Samui is 4 hours ahead of Ukunda.
What is the cheapest way to fly from UKA to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UKA–USM that never appear on search engines, with no booking fees.