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SDY to CEI: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Chiang Rai (Chiang Rai International Airport)
7,529 mi
12,117 km · 6,543 nm
15h 14m
estimated nonstop flight time
+13h
time difference · heading northwest
See live SDY→CEI fares Phone-only fares on this route — call free
Flight time details
7,529 miles nonstop takes roughly 15h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- SDY — Sidney - Richland Regional Airport · Sidney, 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 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 SDY from CEI?
The flight distance from Sidney (SDY) to Chiang Rai (CEI) is 7,529 miles (12,117 km, 6,543 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to CEI?
A nonstop flight takes about 15h 14m 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 Sidney and Chiang Rai?
Chiang Rai is 13 hours ahead of Sidney.
What is the cheapest way to fly from SDY to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–CEI that never appear on search engines, with no booking fees.