Reykjavik (KEF) to Copenhagen (CPH): 1,332 miles (2,144 km) great-circle, about 3h 10m nonstop by our estimate. Cheapest fare observed: $459 round-trip on Icelandair, nonstop, departing June 12, 2026.
$459 round-trip, Icelandair FI202, departing 2026-06-12 at 01:10, returning 2026-06-12. The recorded itinerary left on a Friday and came back the same day; the fare was observed 48 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $459, it ranked 18th of the 30 round-trip fares we recorded from KEF (median $398). That is 34.5 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: Paris (1,393 mi) at $370 and Amsterdam (1,266 mi) at $460.
Icelandair had the cheapest fare on 4 of 30 KEF routes. It is the 26th longest of the 30 routes we track from KEF.
Of 10 departure airports with a fare to Copenhagen, Reykjavik (KEF) ranked 7th at $459. Lowest: $75 from Prague (PRG); highest: $926 from Charlotte (CLT); 5 nonstop. Cheapest-fare airlines (routes): airline MW (2), Ryanair (2), Air Baltic (1), Air India (1), Icelandair (1) and Jazz Aviation (1), plus 2 more.
That depends on your passport and trip, so check the official source for Denmark: European Commission: Schengen visa policy. 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/Copenhagen; flight time is our estimate.