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ATH to CEI: distance & flight time
Athens (Eleftherios Venizelos International Airport) → Chiang Rai (Chiang Rai International Airport)
4,633 mi
7,456 km · 4,026 nm
9h 33m
estimated nonstop flight time
+4h
time difference · heading east
See live ATH→CEI fares Phone-only fares on this route — call free
Flight time details
4,633 miles nonstop takes roughly 9h 33m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- ATH — Eleftherios Venizelos International Airport · Athens, Greece
- 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 ATH
- HEW · Athen Helenikon Airport12 mi away
- PKH · Porto Cheli Airport62 mi away
- JSY · Syros Airport65 mi away
- SKU · Skiros Airport77 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 ATH from CEI?
The flight distance from Athens (ATH) to Chiang Rai (CEI) is 4,633 miles (7,456 km, 4,026 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATH to CEI?
A nonstop flight takes about 9h 33m 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 Athens and Chiang Rai?
Chiang Rai is 4 hours ahead of Athens.
What is the cheapest way to fly from ATH to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATH–CEI that never appear on search engines, with no booking fees.