Need help booking?
Unpublished phone-only deals available
ALO to USM: distance & flight time
Waterloo (Waterloo Regional Airport) → Ko Samui (Samui Airport)
8,752 mi
14,084 km · 7,605 nm
17h 38m
estimated nonstop flight time
+12h
time difference · heading north
See live ALO→USM fares Phone-only fares on this route — call free
Flight time details
8,752 miles nonstop takes roughly 17h 38m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- ALO — Waterloo Regional Airport · Waterloo, United States
- 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 ALO
- CCY · Northeast Iowa Regional Airport37 mi away
- CID · The Eastern Iowa Airport58 mi away
- MCW · Mason City Municipal Airport63 mi away
- PCD · Prairie Du Chien Municipal Airport72 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 ALO from USM?
The flight distance from Waterloo (ALO) to Ko Samui (USM) is 8,752 miles (14,084 km, 7,605 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALO to USM?
A nonstop flight takes about 17h 38m 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 Waterloo and Ko Samui?
Ko Samui is 12 hours ahead of Waterloo.
What is the cheapest way to fly from ALO to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALO–USM that never appear on search engines, with no booking fees.