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CEI to SDY: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Sidney (Sidney - Richland Regional Airport)
7,529 mi
12,117 km · 6,543 nm
15h 14m
estimated nonstop flight time
-13h
time difference · heading north
See live CEI→SDY fares Phone-only fares on this route — call free
Flight time details
7,529 miles nonstop takes roughly 15h 14m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- SDY — Sidney - Richland Regional Airport · Sidney, United States
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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
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
Frequently asked questions
How far is CEI from SDY?
The flight distance from Chiang Rai (CEI) to Sidney (SDY) 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 CEI to SDY?
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 Chiang Rai and Sidney?
Sidney is 13 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–SDY that never appear on search engines, with no booking fees.