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LKO to CEI: distance & flight time
Lucknow (Chaudhary Charan Singh International Airport) → Chiang Rai (Chiang Rai International Airport)
1,292 mi
2,079 km · 1,122 nm
3h 16m
estimated nonstop flight time
+1.5h
time difference · heading east
See live LKO→CEI fares Phone-only fares on this route — call free
Flight time details
1,292 miles nonstop takes roughly 3h 16m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- LKO — Chaudhary Charan Singh International Airport · Lucknow, India
- 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 LKO
- KNU · Kanpur Airport39 mi away
- KEP · Nepalgunj Airport104 mi away
- IXD · Allahabad Airport105 mi away
- DNP · Tulsipur Airport127 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 LKO from CEI?
The flight distance from Lucknow (LKO) to Chiang Rai (CEI) is 1,292 miles (2,079 km, 1,122 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LKO to CEI?
A nonstop flight takes about 3h 16m 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 Lucknow and Chiang Rai?
Chiang Rai is 1.5 hours ahead of Lucknow.
What is the cheapest way to fly from LKO to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LKO–CEI that never appear on search engines, with no booking fees.