JetSetAuthority

Route · Europe

LHR London ⇄ KEF Reykjavík

London Heathrow Airport (United Kingdom) and Keflavik International Airport (Iceland): great-circle distance, estimated scheduled flight time each way, time difference and jet lag.

Distance1,895 km1,178 mi1,023 nautical miles
LHR → KEF3 h 20 minestimated block time
KEF → LHR3 h 05 minestimated block time
Clock change±0 hReykjavík vs London, today
Great-circle route from London (LHR) to Reykjavík (KEF)LHRLondonKEFReykjavík
The shortest path over the Earth’s surface (great circle), drawn on a Natural Earth projection. Real flight paths bend around weather, winds and closed airspace.

Flight time each way

LHR → KEF

3 h 20 min

Estimated gate-to-gate scheduled time. Initial heading 326° (NW).

Leave London Sat 7 Nov, 10:00 local → arrive Reykjavík Sat 7 Nov, 13:20 local.

KEF → LHR

3 h 05 min

Estimated gate-to-gate scheduled time. Initial heading 127° (SE).

Leave Reykjavík Sat 7 Nov, 10:00 local → arrive London Sat 7 Nov, 13:05 local.

The two directions differ by 11 minutes in our estimate: this route runs mostly north–south, so the prevailing westerly winds make little difference. How we estimate it.

Distance

Great-circle distance1,895 km · 1,178 mi · 1,023 nmi
Initial heading326° (NW) from LHR; 127° (SE) from KEF
Farthest from the equator64.0°N
Crossesneither the equator nor the 180th meridian
Share of the longest possible trip9% of the 20,015 km to the far side of the Earth

Time zones and jet lag

LHREurope/London — UTC+0 now; UTC+0 standard time, UTC+1 during daylight saving time
KEFAtlantic/Reykjavik — UTC+0 now; UTC+0 all year (no daylight saving time)
DifferenceReykjavík is on the same clock as London today; ±0 h in January and −1 h in July because daylight saving time starts and ends on different dates (or not at all).

Jet lag, flying LHR → KEF. No time-zone change, so no jet lag from the clock — only the usual tiredness of travel.

General information, not medical advice.

The two airports

LHR London Heathrow AirportLondon, United Kingdom · longest runway 12,799 ft3,901 m KEF Keflavik International AirportReykjavík, Iceland · longest runway 10,056 ft3,065 m

More routes from LHR and KEF

LHRMAN London – Manchester 243 km151 mi · 1 h 20 min LHROSL London – Oslo 1,206 km749 mi · 2 h 20 min AMMLHR Amman – London 3,683 km2,288 mi · 5 h 35 min LHRDEL London – Delhi 6,731 km4,183 mi · 8 h 05 min LHRSEZ London – Mahé 8,176 km5,080 mi · 10 h LHRSYD London – Sydney 17,021 km10,576 mi · 19 h 30 min KEFCPH Reykjavík – Copenhagen 2,144 km1,332 mi · 3 h 25 min BOSKEF Boston – Reykjavík 3,875 km2,408 mi · 5 h 15 min JFKKEF New York – Reykjavík 4,163 km2,587 mi · 5 h 30 min SEAKEF Seattle – Reykjavík 5,811 km3,611 mi · 7 h 25 min

Routes of a similar length

BOGLIM Bogotá – Lima 1,888 km1,173 mi · 3 h 10 min PEKCAN Beijing – Guangzhou 1,881 km1,169 mi · 3 h 15 min MANFAO Manchester – Faro 1,869 km1,161 mi · 3 h 15 min DXBBOM Dubai – Mumbai 1,925 km1,196 mi · 3 h 10 min

Need a different pair? The flight-time calculator works for any two of 3,245 airports. Not covered: which airlines fly this route, schedules, fares and live status — that data is proprietary and we don’t guess it.

Photos on airport pages are credited there. Estimates are rounded to 5 minutes; typical error about 13 minutes (validation).