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KCT to WBU: distance & flight time
Koggala (Koggala Airport) → Boulder (Boulder Municipal Airport)
9,237 mi
14,865 km · 8,026 nm
18h 35m
estimated nonstop flight time
-11.5h
time difference · heading north
See live KCT→WBU fares Phone-only fares on this route — call free
Flight time details
9,237 miles nonstop takes roughly 18h 35m 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
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is KCT from WBU?
The flight distance from Koggala (KCT) to Boulder (WBU) is 9,237 miles (14,865 km, 8,026 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KCT to WBU?
A nonstop flight takes about 18h 35m 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 Boulder?
Boulder is 11.5 hours behind Koggala.
What is the cheapest way to fly from KCT to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KCT–WBU that never appear on search engines, with no booking fees.