Reykjavik (KEF) to London (LON): 1,178 miles (1,895 km) great-circle, about 2h 50m nonstop by our estimate. Cheapest fare observed: $284 round-trip on Wizz Air, with 1 stop, departing May 8, 2026.
$284 round-trip, Wizz Air W61774, departing 2026-05-08 at 09:05, returning 2026-05-10. The recorded itinerary left on a Friday, returning on a Sunday 2 nights later; the fare was observed 13 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $284, it ranked 6th of the 30 round-trip fares we recorded from KEF (median $398). That is 24.1 cents per great-circle mile (round-trip price over one-way distance), above the KEF median of 20.6 cents across 30 round-trip routes.
Routes from KEF of similar length: Amsterdam (1,266 mi) at $460 and Copenhagen (1,332 mi) at $459.
Wizz Air had the cheapest fare on 7 of 30 KEF routes. It is the 28th longest of the 30 routes we track from KEF.
Of 49 departure airports with a fare to London, Reykjavik (KEF) ranked 16th at $284. Lowest: $46 from Dublin (DUB); highest: $1356 from Sydney (SYD); 14 nonstop. Cheapest-fare airlines (routes): Ryanair (7), easyJet (4), Etihad (4), Frontier (4), Air Canada (3) and WestJet (3), plus 19 more.
That depends on your passport and trip, so check the official source for United Kingdom: GOV.UK: check if you need a UK visa. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Atlantic/Reykjavik, Europe/London; flight time is our estimate.