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LKO to IAH: distance & flight time
Lucknow (Chaudhary Charan Singh International Airport) → Houston (George Bush Intercontinental Houston Airport)
8,508 mi
13,693 km · 7,393 nm
17h 9m
estimated nonstop flight time
-10.5h
time difference · heading north
See live LKO→IAH fares Phone-only fares on this route — call free
Flight time details
8,508 miles nonstop takes roughly 17h 9m 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 set-back when reading arrival times on your ticket.
The two airports
- LKO — Chaudhary Charan Singh International Airport · Lucknow, India
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Frequently asked questions
How far is LKO from IAH?
The flight distance from Lucknow (LKO) to Houston (IAH) is 8,508 miles (13,693 km, 7,393 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LKO to IAH?
A nonstop flight takes about 17h 9m 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 Houston?
Houston is 10.5 hours behind Lucknow.
What is the cheapest way to fly from LKO to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LKO–IAH that never appear on search engines, with no booking fees.