The flight time from Keflavík International Airport to Denver International Airport is:

7 hours, 38 minutes

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Flying time from KEF to DEN

The total flight duration from KEF to DEN is 7 hours, 38 minutes.

This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Your exact time may vary depending on wind speeds.

If you're planning a trip, remember to add more time for the plane to taxi between the gate and the airport runway. This measurement is only for the actual flying time. You should also factor in airport wait times and possible equipment or weather delays. If you're trying to figure out what time you'll arrive at the destination, you may want to see if there's a time difference between KEF and DEN.

The calculation of flight time is based on the straight line distance from KEF to DEN ("as the crow flies"), which is about 3,568 miles or 5 743 kilometers.

Your trip begins at Keflavík International Airport in Reykjavik, Iceland.
It ends at Denver International Airport in Denver, Colorado.

Your flight direction from KEF to DEN is West (-76 degrees from North).

The flight time calculator measures the average flight duration between points. It uses the great circle formula to compute the travel mileage.

Keflavík International Airport

IATA: KEF
ICAO: BIKF
City: Reykjavik
Country: Iceland
Category: airports

Denver International Airport

IATA: DEN
ICAO: KDEN
FAA: DEN
City: Denver
State: Colorado
Zip code: 80249
Country: United States
Category: airports

Flight time calculator

Travelmath provides an online flight time calculator for all types of travel routes. You can enter airports, cities, states, countries, or zip codes to find the flying time between any two points. The database uses the great circle distance and the average airspeed of a commercial airliner to figure out how long a typical flight would take. Find your travel time to estimate the length of a flight between airports, or ask how long it takes to fly from one city to another.