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SIF to CEI: distance & flight time
Simara (Simara Airport) → Chiang Rai (Chiang Rai International Airport)
1,066 mi
1,715 km · 926 nm
2h 47m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live SIF→CEI fares Phone-only fares on this route — call free
Flight time details
1,066 miles nonstop takes roughly 2h 47m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.3-hour time gain when reading arrival times on your ticket.
The two airports
- SIF — Simara Airport · Simara, Nepal
- 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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 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 SIF from CEI?
The flight distance from Simara (SIF) to Chiang Rai (CEI) is 1,066 miles (1,715 km, 926 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIF to CEI?
A nonstop flight takes about 2h 47m 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 Simara and Chiang Rai?
Chiang Rai is 1.3 hours ahead of Simara.
What is the cheapest way to fly from SIF to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIF–CEI that never appear on search engines, with no booking fees.