Need help booking?
Unpublished phone-only deals available
KOS to BOJ: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Bourgas (Burgas Airport)
5,021 mi
8,081 km · 4,363 nm
10h 19m
estimated nonstop flight time
-4h
time difference · heading northwest
See live KOS→BOJ fares Phone-only fares on this route — call free
Flight time details
5,021 miles nonstop takes roughly 10h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- BOJ — Burgas Airport · Bourgas, Bulgaria
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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Near BOJ
- VAR · Varna Airport48 mi away
- JAM · Bezmer Air Base60 mi away
- IST · Istanbul Airport110 mi away
- SZR · Stara Zagora Airport96 mi away
Frequently asked questions
How far is KOS from BOJ?
The flight distance from Sihanoukville (KOS) to Bourgas (BOJ) is 5,021 miles (8,081 km, 4,363 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to BOJ?
A nonstop flight takes about 10h 19m 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 Sihanoukville and Bourgas?
Bourgas is 4 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to BOJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–BOJ that never appear on search engines, with no booking fees.