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LKO to SIN: distance & flight time
Lucknow (Chaudhary Charan Singh International Airport) → Singapore (Singapore Changi Airport)
2,331 mi
3,751 km · 2,025 nm
5h 2m
estimated nonstop flight time
+2.5h
time difference · heading southeast
See live LKO→SIN fares Phone-only fares on this route — call free
Flight time details
2,331 miles nonstop takes roughly 5h 2m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time gain when reading arrival times on your ticket.
The two airports
- LKO — Chaudhary Charan Singh International Airport · Lucknow, India
- SIN — Singapore Changi Airport · Singapore, Singapore
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 SIN
- QPG · Paya Lebar Air Base6 mi away
- XSP · Seletar Airport10 mi away
- BTH · Hang Nadim International Airport18 mi away
- TGA · Tengah Air Base20 mi away
Frequently asked questions
How far is LKO from SIN?
The flight distance from Lucknow (LKO) to Singapore (SIN) is 2,331 miles (3,751 km, 2,025 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LKO to SIN?
A nonstop flight takes about 5h 2m 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 Singapore?
Singapore is 2.5 hours ahead of Lucknow.
What is the cheapest way to fly from LKO to SIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LKO–SIN that never appear on search engines, with no booking fees.