Dulles (IAD) to Reykjavík (KEF)
Flight time
≈ 6h 23m
Bearing
34° NE
Dulles (IAD) to Reykjavík (KEF) is 2,793 miles (4,495 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–KEF
Filed traffic dataIn May 2026, United Airlines was the only carrier flying nonstop IAD–KEF; the Boeing 757-200 was the most common aircraft at 100% of departures; flights ran 50% full.
Departures
21
May 2026
Seats
3,696
both directions
Passengers
1,834
both directions
Load factor
49.6%
RPM ÷ ASM
Who flies IAD–KEF?
United Airlines was the only carrier to fly nonstop IAD–KEF in May 2026 (21 departures).
- UA
21 departures · 3,696 seats
Share of departures100.0%49.6%
Load
What plane flies IAD–KEF?
In May 2026, the Boeing 757-200 flew 100% of IAD–KEF departures.
- Boeing 757-200
21 departures · 49.6% load
100.0%
How has IAD–KEF traffic changed?
Nonstop IAD–KEF departures fell from 123 in June 2025 to 21 in May 2026.
Monthly nonstop IAD–KEF traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
123 departures · 17,149 passengers
86.0%
Load
July 2025
124 departures · 18,019 passengers
90.2%
Load
August 2025
124 departures · 16,403 passengers
82.4%
Load
September 2025
99 departures · 11,261 passengers
57.6%
Load
October 2025
80 departures · 9,645 passengers
67.0%
Load
November 2025
62 departures · 8,840 passengers
79.6%
Load
December 2025
61 departures · 6,336 passengers
55.0%
Load
January 2026
61 departures · 7,654 passengers
77.3%
Load
February 2026
57 departures · 6,507 passengers
63.6%
Load
March 2026
63 departures · 8,717 passengers
77.7%
Load
April 2026
58 departures · 8,405 passengers
80.5%
Load
May 2026
21 departures · 1,834 passengers
49.6%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → KEF
52.4% full
11 departures · 1,014 passengers
KEF → IAD
46.6% full
10 departures · 820 passengers
Nonstop IAD–KEF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 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 Dulles (IAD) from Reykjavík (KEF)?
IAD to KEF is 2,793 miles (4,495 km / 2,427 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to KEF?
A nonstop covers the 2,793-mile great-circle distance in roughly 6h 23m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–KEF?
In May 2026, the Boeing 757-200 flew the largest share of departures (100.0%).
What mileage do I earn flying IAD–KEF?
Distance-based programs credit off the 2,793-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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