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DLF to USM: distance & flight time
Del Rio (DLF Airport) → Ko Samui (Samui Airport)
9,412 mi
15,146 km · 8,178 nm
18h 55m
estimated nonstop flight time
+12h
time difference · heading northwest
See live DLF→USM fares Phone-only fares on this route — call free
Flight time details
9,412 miles nonstop takes roughly 18h 55m gate to gate, flying northwest. 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
- DLF — DLF Airport · Del Rio, 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 DLF
- DRT · Del Rio International Airport9 mi away
- ACN · Ciudad Acuña New International Airport19 mi away
- PDS · Piedras Negras International Airport53 mi away
- UVA · Garner Field63 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 DLF from USM?
The flight distance from Del Rio (DLF) to Ko Samui (USM) is 9,412 miles (15,146 km, 8,178 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DLF to USM?
A nonstop flight takes about 18h 55m 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 Del Rio and Ko Samui?
Ko Samui is 12 hours ahead of Del Rio.
What is the cheapest way to fly from DLF to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DLF–USM that never appear on search engines, with no booking fees.