Need help booking?
Unpublished phone-only deals available
USM to MBA: distance & flight time
Ko Samui (Samui Airport) → Mombasa (Mombasa Moi International Airport)
4,267 mi
6,867 km · 3,708 nm
8h 50m
estimated nonstop flight time
-4h
time difference · heading west
See live USM→MBA fares Phone-only fares on this route — call free
Flight time details
4,267 miles nonstop takes roughly 8h 50m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- MBA — Mombasa Moi International Airport · Mombasa, Kenya
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near MBA
- UKA · Ukunda Airstrip18 mi away
- MYD · Malindi Airport66 mi away
- TGT · Tanga Airport81 mi away
- PMA · Pemba Airport86 mi away
Frequently asked questions
How far is USM from MBA?
The flight distance from Ko Samui (USM) to Mombasa (MBA) 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 USM to MBA?
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 Ko Samui and Mombasa?
Mombasa is 4 hours behind Ko Samui.
What is the cheapest way to fly from USM to MBA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–MBA that never appear on search engines, with no booking fees.