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GFF to USM: distance & flight time

Griffith (Griffith Airport) → Ko Samui (Samui Airport)

4,269 mi
6,870 km · 3,709 nm
8h 50m
estimated nonstop flight time
-3h
time difference · heading northwest
See live GFFUSM fares Phone-only fares on this route — call free

Flight time details

4,269 miles nonstop takes roughly 8h 50m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.

The two airports

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.

Frequently asked questions

How far is GFF from USM?

The flight distance from Griffith (GFF) to Ko Samui (USM) is 4,269 miles (6,870 km, 3,709 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from GFF to USM?

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 Griffith and Ko Samui?

Ko Samui is 3 hours behind Griffith.

What is the cheapest way to fly from GFF to USM?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GFF–USM that never appear on search engines, with no booking fees.
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