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STP to USM: distance & flight time
St. Paul (St Paul Downtown Holman Field) → Ko Samui (Samui Airport)
8,584 mi
13,815 km · 7,460 nm
17h 18m
estimated nonstop flight time
+12h
time difference · heading north
See live STP→USM fares Phone-only fares on this route — call free
Flight time details
8,584 miles nonstop takes roughly 17h 18m 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
- STP — St Paul Downtown Holman Field · St. Paul, 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 STP
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 STP from USM?
The flight distance from St. Paul (STP) to Ko Samui (USM) is 8,584 miles (13,815 km, 7,460 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STP to USM?
A nonstop flight takes about 17h 18m 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 St. Paul and Ko Samui?
Ko Samui is 12 hours ahead of St. Paul.
What is the cheapest way to fly from STP to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STP–USM that never appear on search engines, with no booking fees.