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KCT to DEN: distance & flight time
Koggala (Koggala Airport) → Denver (Denver International Airport)
9,253 mi
14,891 km · 8,040 nm
18h 37m
estimated nonstop flight time
-11.5h
time difference · heading north
See live KCT→DEN fares Phone-only fares on this route — call free
Flight time details
9,253 miles nonstop takes roughly 18h 37m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time set-back when reading arrival times on your ticket.
The two airports
- KCT — Koggala Airport · Koggala, Sri Lanka
- DEN — Denver International Airport · Denver, 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 KCT
- HRI · Mattala Rajapaksa International Airport59 mi away
- RML · Colombo Ratmalana Airport65 mi away
- WRZ · Weerawila Airport65 mi away
- CMB · Bandaranaike International Colombo Airport87 mi away
Near DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is KCT from DEN?
The flight distance from Koggala (KCT) to Denver (DEN) is 9,253 miles (14,891 km, 8,040 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KCT to DEN?
A nonstop flight takes about 18h 37m 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 Koggala and Denver?
Denver is 11.5 hours behind Koggala.
What is the cheapest way to fly from KCT to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KCT–DEN that never appear on search engines, with no booking fees.