Need help booking?
Unpublished phone-only deals available
JTR to USM: distance & flight time
Thira (Santorini Airport) → Ko Samui (Samui Airport)
4,973 mi
8,003 km · 4,321 nm
10h 13m
estimated nonstop flight time
+4h
time difference · heading east
See live JTR→USM fares Phone-only fares on this route — call free
Flight time details
4,973 miles nonstop takes roughly 10h 13m 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
- JTR — Santorini Airport · Thira, Greece
- 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 JTR
- PAS · Paros National Airport47 mi away
- JNX · Naxos Airport48 mi away
- JTY · Astypalaia Airport51 mi away
- MLO · Milos Airport59 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 JTR from USM?
The flight distance from Thira (JTR) to Ko Samui (USM) is 4,973 miles (8,003 km, 4,321 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JTR to USM?
A nonstop flight takes about 10h 13m 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 Thira and Ko Samui?
Ko Samui is 4 hours ahead of Thira.
What is the cheapest way to fly from JTR to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JTR–USM that never appear on search engines, with no booking fees.