Boston (BOS) to Reykjavík (KEF)
Flight time
≈ 5h 37m
Bearing
35° NE
Boston (BOS) to Reykjavík (KEF) is 2,408 miles (3,875 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–KEF
Filed traffic dataIn July 2026, Icelandair was the only carrier flying nonstop BOS–KEF; the Boeing 767-300 was the most common aircraft at 50% of departures; flights ran 73% full.
Departures
124
July 2026
Seats
26,164
both directions
Passengers
19,025
both directions
Load factor
72.7%
RPM ÷ ASM
Who flies BOS–KEF?
Icelandair was the only carrier to fly nonstop BOS–KEF in July 2026 (124 departures).
- FI
Icelandair
124 departures · 26,164 seats
Share of departures100.0%72.7%
Load
What plane flies BOS–KEF?
In July 2026, the Boeing 767-300 flew 50% of BOS–KEF departures — more than any other aircraft type.
- Boeing 767-300
62 departures · 88.8% load
50.0% - Boeing 737 MAX 8
62 departures · 46.4% load
50.0%
How has BOS–KEF traffic changed?
Nonstop BOS–KEF departures fell from 208 in August 2025 to 124 in July 2026.
Monthly nonstop BOS–KEF traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
208 departures · 35,202 passengers
83.7%
Load
September 2025
154 departures · 20,446 passengers
60.6%
Load
October 2025
119 departures · 18,881 passengers
72.6%
Load
November 2025
90 departures · 15,896 passengers
75.8%
Load
December 2025
84 departures · 15,137 passengers
75.0%
Load
January 2026
63 departures · 11,608 passengers
72.4%
Load
February 2026
61 departures · 6,097 passengers
39.6%
Load
March 2026
100 departures · 15,587 passengers
69.0%
Load
April 2026
98 departures · 17,013 passengers
76.0%
Load
May 2026
0 departures · 0 passengers
—
Load
June 2026
118 departures · 21,671 passengers
86.7%
Load
July 2026
124 departures · 19,025 passengers
72.7%
Load
By direction
Each direction is filed separately — they rarely match.
BOS → KEF
59.0% full
62 departures · 7,720 passengers
KEF → BOS
86.4% full
62 departures · 11,305 passengers
Nonstop BOS–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 Boston (BOS) from Reykjavík (KEF)?
BOS to KEF is 2,408 miles (3,875 km / 2,092 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to KEF?
A nonstop covers the 2,408-mile great-circle distance in roughly 5h 37m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–KEF?
In July 2026, the Boeing 767-300 flew the largest share of departures (50.0%), followed by the Boeing 737 MAX 8 (50.0%).
What mileage do I earn flying BOS–KEF?
Distance-based programs credit off the 2,408-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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