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DEN to KSJ: distance & flight time
Denver (Denver International Airport) → Kasos (Kasos Airport)
6,391 mi
10,286 km · 5,554 nm
13h
estimated nonstop flight time
+9h
time difference · heading northeast
See live DEN→KSJ fares Phone-only fares on this route — call free
Flight time details
6,391 miles nonstop takes roughly 13h gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- DEN — Denver International Airport · Denver, United States
- KSJ — Kasos Airport · Kasos, Greece
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 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
Near KSJ
- AOK · Karpathos Airport13 mi away
- JSH · Sitia Airport48 mi away
- JTY · Astypalaia Airport85 mi away
- KGS · Kos Airport95 mi away
Frequently asked questions
How far is DEN from KSJ?
The flight distance from Denver (DEN) to Kasos (KSJ) is 6,391 miles (10,286 km, 5,554 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEN to KSJ?
A nonstop flight takes about 13h 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 Denver and Kasos?
Kasos is 9 hours ahead of Denver.
What is the cheapest way to fly from DEN to KSJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEN–KSJ that never appear on search engines, with no booking fees.