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 July 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 89% full.
Departures
123
July 2026
Seats
22,519
both directions
Passengers
19,962
both directions
Load factor
88.6%
RPM ÷ ASM
Who flies DEN–KEF?
Icelandair was the only carrier to fly nonstop DEN–KEF in July 2026 (123 departures).
- FI
Icelandair
123 departures · 22,519 seats
Share of departures100.0%88.6%
Load
What plane flies DEN–KEF?
In July 2026, the Boeing 757-200 flew 100% of DEN–KEF departures.
- Boeing 757-200
123 departures · 88.6% load
100.0%
How has DEN–KEF traffic changed?
Nonstop DEN–KEF departures rose from 107 in August 2025 to 123 in July 2026.
Monthly nonstop DEN–KEF traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
0 departures · 0 passengers
—
Load
June 2026
120 departures · 19,892 passengers
90.5%
Load
July 2026
123 departures · 19,962 passengers
88.6%
Load
By direction
Each direction is filed separately — they rarely match.
KEF → DEN
91.0% full
62 departures · 10,334 passengers
DEN → KEF
86.2% full
61 departures · 9,628 passengers
Nonstop DEN–KEF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 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 July 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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