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SEF to CEI: distance & flight time
Sebring (Sebring Regional Airport) → Chiang Rai (Chiang Rai International Airport)
9,160 mi
14,742 km · 7,960 nm
18h 26m
estimated nonstop flight time
+11h
time difference · heading north
See live SEF→CEI fares Phone-only fares on this route — call free
Flight time details
9,160 miles nonstop takes roughly 18h 26m 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
- SEF — Sebring Regional Airport · Sebring, 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 SEF
- AVO · Avon Park Executive Airport15 mi away
- MCO · Orlando International Airport67 mi away
- OBE · Okeechobee County Airport33 mi away
- TPA · Tampa International Airport81 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 SEF from CEI?
The flight distance from Sebring (SEF) to Chiang Rai (CEI) is 9,160 miles (14,742 km, 7,960 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEF to CEI?
A nonstop flight takes about 18h 26m 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 Sebring and Chiang Rai?
Chiang Rai is 11 hours ahead of Sebring.
What is the cheapest way to fly from SEF to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEF–CEI that never appear on search engines, with no booking fees.