Boston (BOS) – Reykjavik (KEF)

Distance, flight time and the airlines that fly it, from open data.
Distance
3,883 km
2,413 mi · 2,097 nm
Flight time
5 h 20 min
Estimate from distance
Time difference
5 h / 4 h
January / July
CO2 per passenger
453 kg
One way, economy, incl. RF (268 kg CO2 only)
Passengers / year
208,750
Aug 2025 – Jul 2026 · −37.2%
Flights / week
25
Both directions, average
Seats filled
73%
285,264 seats a year
Airlines nonstop
1
FI

Traffic: U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service), Aug 2025 – Jul 2026. Distance: WGS-84 ellipsoid. CO2: UK DESNZ 2026 factors. Sources

Great circle from BOS to KEFBOSKEF
Shortest path over the earth's surface (great circle). Real flights bend around weather, winds and airspace.

The way there

Heading from BOS
35°
Heading from KEF
255°
Halfway point
55.51, -53.33
Great-circle km
3,875 km (sphere, for EU261)
Clocks
5 h in January, 4 h in July

The estimate for a route without real times is 5 h 20 min; how it is worked out is on Sources.

Passengers per month, both directions (Aug 2025 – Jul 2026)Busiest: August 2025: 28,866 passengers
010K20K30KAug28.9KSepOctNovDecJanFebMarAprMayJunJul
Show as a table
Month Passengers
Aug 202528,866
Sep 202520,440
Oct 202518,876
Nov 202515,896
Dec 202515,137
Jan 202611,608
Feb 20266,097
Mar 202615,587
Apr 202617,013
May 202618,534
Jun 202621,671
Jul 202619,025
Flights per month, both directions (Aug 2025 – Jul 2026)Busiest: August 2025: 176 flights
0100200Aug176SepOctNovDecJanFebMarAprMayJunJul
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Month Flights
Aug 2025176
Sep 2025153
Oct 2025118
Nov 202590
Dec 202584
Jan 202663
Feb 202661
Mar 2026100
Apr 202698
May 2026110
Jun 2026118
Jul 2026124

Airlines flying BOS–KEF nonstop

Airline Flights / week Share of passengers
FIIcelandair25
100%

Both directions, Aug 2025 – Jul 2026. Airlines with at least one flight a month. U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service). Sources

Aircraft on this route

  • Boeing 767-300/300ER · 691 flights
  • Boeing B737 Max 800 · 558 flights
  • Boeing 757-200 · 39 flights
  • Boeing 737-900 · 4 flights
  • Airbus Industrie A321Neoxlr · 3 flights

Also carried: 4,676 tonnes of freight and 0 tonnes of mail a year (passenger and cargo flights).

Eurostat also has this route: 354,144 passengers in 2024, 2,118 flights (reported by the airport in Iceland).

Delay compensation (EU261 / UK261)

Measured by great-circle distance: 3,875 km.

BOS Boston → KEF Reykjavik

EU261€600 for arriving 3 hours or more late (€300 if 3–4 hours).

Covers EU, EEA or Swiss airlines only.

KEF Reykjavik → BOS Boston

EU261€600 for arriving 3 hours or more late (€300 if 3–4 hours).

Covers any airline.

Also owed for a cancellation with less than 14 days' notice or denied boarding. Not owed for extraordinary circumstances. On a connection, the distance to the final destination counts. From 23 October 2027 the EU's Regulation 2026/2202 applies; it keeps these amounts (what changes in 2027). Information, not legal advice.

Every airport pair between Boston and Reykjavik

KEFRKV
BOS3,8833,919

Kilometres. Linked numbers have a page of their own. All Reykjavik airports

More routes from BOS

Route Distance Passengers / year
BOS → ORD1,395 km 1,886,038
BOS → ATL1,522 km 1,549,511
BOS → DCA642 km 1,458,538
BOS → SFO4,352 km 1,386,355
BOS → MCO1,804 km 1,361,623
BOS → LAX4,202 km 1,267,422
BOS → DEN2,823 km 1,202,358
BOS → LHR5,255 km 1,082,778
BOS → DFW2,513 km 1,021,972
BOS → MIA2,024 km 994,694

More routes from KEF

Route Distance Passengers / year
KEF → CPH2,151 km 556,908
KEF → AMS2,043 km 370,666
KEF → CDG2,247 km 353,520
KEF → LHR1,900 km 349,515
KEF → OSL1,788 km 286,925
KEF → JFK4,172 km 274,336
KEF → FRA2,408 km 247,091
KEF → MAN1,658 km 213,870
KEF → IAD4,504 km 211,779
KEF → SEA5,830 km 207,421

Questions

Boston (BOS) and Reykjavik (KEF) are 3,883 km (2,413 miles, 2,097 nautical miles) apart, measured along the shortest path over the earth's surface.