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SDF to CEI: distance & flight time
Louisville (Louisville International Standiford Field) → Chiang Rai (Chiang Rai International Airport)
8,404 mi
13,525 km · 7,303 nm
16h 57m
estimated nonstop flight time
+11h
time difference · heading north
See live SDF→CEI fares Phone-only fares on this route — call free
Flight time details
8,404 miles nonstop takes roughly 16h 57m 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
- CEI — Chiang Rai International Airport · Chiang Rai, 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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Frequently asked questions
How far is SDF from CEI?
The flight distance from Louisville (SDF) to Chiang Rai (CEI) is 8,404 miles (13,525 km, 7,303 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to CEI?
A nonstop flight takes about 16h 57m 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 Rai?
Chiang Rai is 11 hours ahead of Louisville.
What is the cheapest way to fly from SDF to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–CEI that never appear on search engines, with no booking fees.