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SXI to CEI: distance & flight time
Siri Island (Sirri Island Airport) → Chiang Rai (Chiang Rai International Airport)
2,901 mi
4,668 km · 2,521 nm
6h 9m
estimated nonstop flight time
+3.5h
time difference · heading east
See live SXI→CEI fares Phone-only fares on this route — call free
Flight time details
2,901 miles nonstop takes roughly 6h 9m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- SXI — Sirri Island Airport · Siri Island, Iran
- 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 SXI
- DXB · Dubai International Airport69 mi away
- AEU · Abu Musa Island Airport31 mi away
- BDH · Bandar Lengeh Airport47 mi away
- KIH · Kish International Airport55 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 SXI from CEI?
The flight distance from Siri Island (SXI) to Chiang Rai (CEI) is 2,901 miles (4,668 km, 2,521 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SXI to CEI?
A nonstop flight takes about 6h 9m 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 Siri Island and Chiang Rai?
Chiang Rai is 3.5 hours ahead of Siri Island.
What is the cheapest way to fly from SXI to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SXI–CEI that never appear on search engines, with no booking fees.