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SDF to CNX: distance & flight time
Louisville (Louisville International Standiford Field) → Chiang Mai (Chiang Mai International Airport)
8,491 mi
13,665 km · 7,378 nm
17h 7m
estimated nonstop flight time
+11h
time difference · heading north
See live SDF→CNX fares Phone-only fares on this route — call free
Flight time details
8,491 miles nonstop takes roughly 17h 7m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- SDF — Louisville International Standiford Field · Louisville, United States
- CNX — Chiang Mai International Airport · Chiang Mai, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 mi away
Near CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Frequently asked questions
How far is SDF from CNX?
The flight distance from Louisville (SDF) to Chiang Mai (CNX) is 8,491 miles (13,665 km, 7,378 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to CNX?
A nonstop flight takes about 17h 7m 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 Louisville and Chiang Mai?
Chiang Mai is 11 hours ahead of Louisville.
What is the cheapest way to fly from SDF to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–CNX that never appear on search engines, with no booking fees.