Need help booking?
Unpublished phone-only deals available
DBQ to USM: distance & flight time
Dubuque IA (Dubuque Regional Airport) → Ko Samui (Samui Airport)
8,783 mi
14,135 km · 7,633 nm
17h 41m
estimated nonstop flight time
+12h
time difference · heading north
See live DBQ→USM fares Phone-only fares on this route — call free
Flight time details
8,783 miles nonstop takes roughly 17h 41m 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
- DBQ — Dubuque Regional Airport · Dubuque IA, 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 DBQ
- CWI · Clinton Municipal Airport44 mi away
- PCD · Prairie Du Chien Municipal Airport48 mi away
- LNR · Tri-County Regional Airport62 mi away
- CID · The Eastern Iowa Airport63 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 DBQ from USM?
The flight distance from Dubuque IA (DBQ) to Ko Samui (USM) is 8,783 miles (14,135 km, 7,633 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DBQ to USM?
A nonstop flight takes about 17h 41m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from DBQ to USM?
Nonstop service on DBQ–USM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 41m nonstop estimate.
What is the time difference between Dubuque IA and Ko Samui?
Ko Samui is 12 hours ahead of Dubuque IA.
What is the cheapest way to fly from DBQ to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DBQ–USM that never appear on search engines, with no booking fees.
Why are some DBQ to USM fares phone-only?
Consolidator contracts let us sell certain DBQ–USM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.