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MBA to USM: distance & flight time
Mombasa (Mombasa Moi International Airport) → Ko Samui (Samui Airport)
4,267 mi
6,867 km · 3,708 nm
8h 50m
estimated nonstop flight time
+4h
time difference · heading east
See live MBA→USM fares Phone-only fares on this route — call free
Flight time details
4,267 miles nonstop takes roughly 8h 50m 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
- MBA — Mombasa Moi International Airport · Mombasa, 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 MBA
- UKA · Ukunda Airstrip18 mi away
- MYD · Malindi Airport66 mi away
- TGT · Tanga Airport81 mi away
- PMA · Pemba Airport86 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 MBA from USM?
The flight distance from Mombasa (MBA) to Ko Samui (USM) is 4,267 miles (6,867 km, 3,708 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MBA to USM?
A nonstop flight takes about 8h 50m 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 Mombasa and Ko Samui?
Ko Samui is 4 hours ahead of Mombasa.
What is the cheapest way to fly from MBA to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MBA–USM that never appear on search engines, with no booking fees.