Need help booking?
Unpublished phone-only deals available
LKO to RDU: distance & flight time
Lucknow (Chaudhary Charan Singh International Airport) → Raleigh-durham (Raleigh Durham International Airport)
7,911 mi
12,731 km · 6,874 nm
15h 59m
estimated nonstop flight time
-9.5h
time difference · heading north
See live LKO→RDU fares Phone-only fares on this route — call free
Flight time details
7,911 miles nonstop takes roughly 15h 59m 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 set-back when reading arrival times on your ticket.
The two airports
- LKO — Chaudhary Charan Singh International Airport · Lucknow, India
- RDU — Raleigh Durham International Airport · Raleigh-durham, 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 RDU
- POB · Pope Field50 mi away
- RWI · Rocky Mount Wilson Regional Airport50 mi away
- FBG · Simmons Army Air Field52 mi away
- SOP · Moore County Airport56 mi away
Frequently asked questions
How far is LKO from RDU?
The flight distance from Lucknow (LKO) to Raleigh-durham (RDU) is 7,911 miles (12,731 km, 6,874 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LKO to RDU?
A nonstop flight takes about 15h 59m 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 LKO to RDU?
Nonstop service on LKO–RDU 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 59m nonstop estimate.
What is the time difference between Lucknow and Raleigh-durham?
Raleigh-durham is 9.5 hours behind Lucknow.
What is the cheapest way to fly from LKO to RDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LKO–RDU that never appear on search engines, with no booking fees.
Why are some LKO to RDU fares phone-only?
Consolidator contracts let us sell certain LKO–RDU 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.