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BOI to KCT: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Koggala (Koggala Airport)
8,860 mi
14,259 km · 7,699 nm
17h 50m
estimated nonstop flight time
+11.5h
time difference · heading north
See live BOI→KCT fares Phone-only fares on this route — call free
Flight time details
8,860 miles nonstop takes roughly 17h 50m 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 gain when reading arrival times on your ticket.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
- KCT — Koggala Airport · Koggala, Sri Lanka
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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
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
Frequently asked questions
How far is BOI from KCT?
The flight distance from Boise (BOI) to Koggala (KCT) is 8,860 miles (14,259 km, 7,699 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to KCT?
A nonstop flight takes about 17h 50m 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 Boise and Koggala?
Koggala is 11.5 hours ahead of Boise.
What is the cheapest way to fly from BOI to KCT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–KCT that never appear on search engines, with no booking fees.