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FSI to LKO: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Lucknow (Chaudhary Charan Singh International Airport)
8,194 mi
13,186 km · 7,120 nm
16h 32m
estimated nonstop flight time
+10.5h
time difference · heading north
See live FSI→LKO fares Phone-only fares on this route — call free
Flight time details
8,194 miles nonstop takes roughly 16h 32m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 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 FSI from LKO?
The flight distance from Fort Sill (FSI) to Lucknow (LKO) is 8,194 miles (13,186 km, 7,120 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to LKO?
A nonstop flight takes about 16h 32m 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 Fort Sill and Lucknow?
Lucknow is 10.5 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to LKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–LKO that never appear on search engines, with no booking fees.