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UNN to LKO: distance & flight time
Ranong (Ranong Airport) → Lucknow (Chaudhary Charan Singh International Airport)
1,646 mi
2,650 km · 1,431 nm
3h 42m
estimated nonstop flight time
-1.5h
time difference · heading northwest
See live UNN→LKO fares Phone-only fares on this route — call free
Flight time details
1,646 miles nonstop takes roughly 3h 42m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time set-back when reading arrival times on your ticket.
The two airports
- UNN — Ranong Airport · Ranong, Thailand
- LKO — Chaudhary Charan Singh International Airport · Lucknow, India
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 UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
Near LKO
- KNU · Kanpur Airport39 mi away
- KEP · Nepalgunj Airport104 mi away
- IXD · Allahabad Airport105 mi away
- DNP · Tulsipur Airport127 mi away
Frequently asked questions
How far is UNN from LKO?
The flight distance from Ranong (UNN) to Lucknow (LKO) is 1,646 miles (2,650 km, 1,431 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNN to LKO?
A nonstop flight takes about 3h 42m 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 Ranong and Lucknow?
Lucknow is 1.5 hours behind Ranong.
What is the cheapest way to fly from UNN to LKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNN–LKO that never appear on search engines, with no booking fees.