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DPA to USM: distance & flight time
West Chicago (Dupage Airport) → Ko Samui (Samui Airport)
8,843 mi
14,231 km · 7,684 nm
17h 48m
estimated nonstop flight time
+12h
time difference · heading north
See live DPA→USM fares Phone-only fares on this route — call free
Flight time details
8,843 miles nonstop takes roughly 17h 48m 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
- DPA — Dupage Airport · West Chicago, 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 DPA
- ORD · Chicago O'Hare International Airport18 mi away
- LOT · Lewis University Airport22 mi away
- PWK · Chicago Executive Airport23 mi away
- MDW · Chicago Midway International Airport27 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 DPA from USM?
The flight distance from West Chicago (DPA) to Ko Samui (USM) is 8,843 miles (14,231 km, 7,684 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DPA to USM?
A nonstop flight takes about 17h 48m 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 West Chicago and Ko Samui?
Ko Samui is 12 hours ahead of West Chicago.
What is the cheapest way to fly from DPA to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DPA–USM that never appear on search engines, with no booking fees.