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WIL to USM: distance & flight time
Nairobi (Nairobi Wilson Airport) → Ko Samui (Samui Airport)
4,415 mi
7,105 km · 3,837 nm
9h 7m
estimated nonstop flight time
+4h
time difference · heading east
See live WIL→USM fares Phone-only fares on this route — call free
Flight time details
4,415 miles nonstop takes roughly 9h 7m 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
- WIL — Nairobi Wilson Airport · Nairobi, 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 WIL
- NBO · Jomo Kenyatta International Airport8 mi away
- NYE · Nyeri Airport67 mi away
- NYK · Nanyuki Airport88 mi away
- ASV · Amboseli Airport96 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 WIL from USM?
The flight distance from Nairobi (WIL) to Ko Samui (USM) is 4,415 miles (7,105 km, 3,837 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WIL to USM?
A nonstop flight takes about 9h 7m 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 Nairobi and Ko Samui?
Ko Samui is 4 hours ahead of Nairobi.
What is the cheapest way to fly from WIL to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WIL–USM that never appear on search engines, with no booking fees.