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SYX to CEI: distance & flight time
Sanya (Sanya Phoenix International Airport) → Chiang Rai (Chiang Rai International Airport)
632 mi
1,018 km · 549 nm
1h 50m
estimated nonstop flight time
-1h
time difference · heading west
See live SYX→CEI fares Phone-only fares on this route — call free
Flight time details
632 miles nonstop takes roughly 1h 50m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SYX — Sanya Phoenix International Airport · Sanya, China
- 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 SYX
- BAR · Qionghai Bo'ao Airport89 mi away
- HAK · Haikou Meilan International Airport132 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 SYX from CEI?
The flight distance from Sanya (SYX) to Chiang Rai (CEI) is 632 miles (1,018 km, 549 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYX to CEI?
A nonstop flight takes about 1h 50m 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 Sanya and Chiang Rai?
Chiang Rai is 1 hour behind Sanya.
What is the cheapest way to fly from SYX to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYX–CEI that never appear on search engines, with no booking fees.