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LKO to DCA: distance & flight time
Lucknow (Chaudhary Charan Singh International Airport) → Washington (Ronald Reagan Washington National Airport)
7,685 mi
12,367 km · 6,678 nm
15h 32m
estimated nonstop flight time
-9.5h
time difference · heading north
See live LKO→DCA fares Phone-only fares on this route — call free
Flight time details
7,685 miles nonstop takes roughly 15h 32m 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
- DCA — Ronald Reagan Washington National Airport · Washington, 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 DCA
Frequently asked questions
How far is LKO from DCA?
The flight distance from Lucknow (LKO) to Washington (DCA) is 7,685 miles (12,367 km, 6,678 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LKO to DCA?
A nonstop flight takes about 15h 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 Lucknow and Washington?
Washington is 9.5 hours behind Lucknow.
What is the cheapest way to fly from LKO to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LKO–DCA that never appear on search engines, with no booking fees.