Denver (DEN) to Reykjavík (KEF)
Flight time
≈ 7h 55m
Bearing
34° NE
Denver (DEN) to Reykjavík (KEF) is 3,559 miles (5,727 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DEN–KEF
Filed traffic dataIn April 2026, Icelandair was the only carrier flying nonstop DEN–KEF; the Boeing 757-200 was the most common aircraft at 100% of departures; flights ran 86% full.
Departures
41
April 2026
Seats
7,515
both directions
Passengers
6,443
both directions
Load factor
85.7%
RPM ÷ ASM
Who flies DEN–KEF?
Icelandair was the only carrier to fly nonstop DEN–KEF in April 2026 (41 departures).
- FI
Icelandair
41 departures · 7,515 seats
Share of departures100.0%85.7%
Load
What plane flies DEN–KEF?
In April 2026, the Boeing 757-200 flew 100% of DEN–KEF departures.
- Boeing 757-200
41 departures · 85.7% load
100.0%
How has DEN–KEF traffic changed?
Nonstop DEN–KEF departures fell from 103 in June 2025 to 41 in April 2026.
Monthly nonstop DEN–KEF traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
103 departures · 17,354 passengers
92.0%
Load
July 2025
106 departures · 17,487 passengers
89.8%
Load
August 2025
107 departures · 15,779 passengers
81.3%
Load
September 2025
71 departures · 11,607 passengers
87.9%
Load
October 2025
58 departures · 9,228 passengers
87.0%
Load
November 2025
60 departures · 8,434 passengers
78.0%
Load
December 2025
53 departures · 7,238 passengers
68.3%
Load
January 2026
37 departures · 4,932 passengers
83.3%
Load
February 2026
35 departures · 4,640 passengers
73.7%
Load
March 2026
42 departures · 5,754 passengers
75.8%
Load
April 2026
41 departures · 6,443 passengers
85.7%
Load
By direction
Each direction is filed separately — they rarely match.
KEF → DEN
80.4% full
21 departures · 3,094 passengers
DEN → KEF
91.3% full
20 departures · 3,349 passengers
Nonstop DEN–KEF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work).
The airports
Reykjavík
IS
Keflavik International Airport
Coordinates
63.98°N, 22.61°W
Hemisphere
N · W
Frequently asked
How far is Denver (DEN) from Reykjavík (KEF)?
DEN to KEF is 3,559 miles (5,727 km / 3,092 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DEN to KEF?
A nonstop covers the 3,559-mile great-circle distance in roughly 7h 55m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DEN–KEF?
In April 2026, the Boeing 757-200 flew the largest share of departures (100.0%).
What mileage do I earn flying DEN–KEF?
Distance-based programs credit off the 3,559-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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