Reykjavík (KEF) to Denver (DEN) flights
Nonstop from Keflavík International to Denver International: distance, flying time, which airlines fly it and how often.
Distance
5,727km
3,559 mi, great circle
Flying time
7h 29m
typical, gate to gate
Flights a day
1.1
average, November 2026
Airlines
1
passenger airlines
Airlines flying KEF to DEN
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare KEF to DEN fares by month.
Both directions
Frequently asked questions
How long is the flight from Reykjavík to Denver?
About 7h 29m gate to gate for the 5,727 km (3,559 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from KEF to DEN?
Icelandair, with about 1.1 flights a day between them in our data (AeroDataBox, November 2026).