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USM to CGX: distance & flight time
Ko Samui (Samui Airport) → Chicago (Chicago Meigs Airport)
8,852 mi
14,246 km · 7,692 nm
17h 49m
estimated nonstop flight time
-12h
time difference · heading north
See live USM→CGX fares Phone-only fares on this route — call free
Flight time details
8,852 miles nonstop takes roughly 17h 49m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- CGX — Chicago Meigs Airport · Chicago, United States
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near CGX
- ORD · Chicago O'Hare International Airport17 mi away
- MDW · Chicago Midway International Airport9 mi away
- GYY · Gary Chicago International Airport20 mi away
- PWK · Chicago Executive Airport23 mi away
Frequently asked questions
How far is USM from CGX?
The flight distance from Ko Samui (USM) to Chicago (CGX) is 8,852 miles (14,246 km, 7,692 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to CGX?
A nonstop flight takes about 17h 49m 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 Ko Samui and Chicago?
Chicago is 12 hours behind Ko Samui.
What is the cheapest way to fly from USM to CGX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–CGX that never appear on search engines, with no booking fees.