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CMH to LKO: distance & flight time
Columbus (John Glenn Columbus International Airport) → Lucknow (Chaudhary Charan Singh International Airport)
7,708 mi
12,404 km · 6,698 nm
15h 35m
estimated nonstop flight time
+9.5h
time difference · heading north
See live CMH→LKO fares Phone-only fares on this route — call free
Flight time details
7,708 miles nonstop takes roughly 15h 35m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- CMH — John Glenn Columbus International Airport · Columbus, 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 CMH
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 CMH from LKO?
The flight distance from Columbus (CMH) to Lucknow (LKO) is 7,708 miles (12,404 km, 6,698 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMH to LKO?
A nonstop flight takes about 15h 35m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CMH to LKO?
Nonstop service on CMH–LKO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 15h 35m nonstop estimate.
What is the time difference between Columbus and Lucknow?
Lucknow is 9.5 hours ahead of Columbus.
What is the cheapest way to fly from CMH to LKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMH–LKO that never appear on search engines, with no booking fees.
Why are some CMH to LKO fares phone-only?
Consolidator contracts let us sell certain CMH–LKO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.