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CEI to RUD: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Emam Shahr (Shahroud Airport)
2,923 mi
4,705 km · 2,540 nm
6h 12m
estimated nonstop flight time
-3.5h
time difference · heading northwest
See live CEI→RUD fares Phone-only fares on this route — call free
Flight time details
2,923 miles nonstop takes roughly 6h 12m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- RUD — Shahroud Airport · Emam Shahr, Iran
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 RUD
- GBT · Gorgan Airport51 mi away
- KLM · Kalaleh Airport69 mi away
- SRY · Dasht-e Naz Airport107 mi away
- AFZ · Sabzevar National Airport140 mi away
Frequently asked questions
How far is CEI from RUD?
The flight distance from Chiang Rai (CEI) to Emam Shahr (RUD) is 2,923 miles (4,705 km, 2,540 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to RUD?
A nonstop flight takes about 6h 12m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CEI to RUD?
Nonstop service on CEI–RUD depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 6h 12m nonstop estimate.
What is the time difference between Chiang Rai and Emam Shahr?
Emam Shahr is 3.5 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to RUD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–RUD that never appear on search engines, with no booking fees.
Why are some CEI to RUD fares phone-only?
Consolidator contracts let us sell certain CEI–RUD tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.