Our cheapest offers for flights from London Heathrow to Reykjavik Keflavik

Here you can compare cheap flights from London Heathrow (LHR) to Reykjavik Keflavik (KEF) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Reykjavik Keflavik. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Heathrow Reykjavik-Keflavik	Outbound 10/04/26 1 Stopover (OSL) SK0812, SK4785 12h 05min	Return -	SAS Scandinavian Airlines		£373
London Heathrow Reykjavik-Keflavik	Outbound 05/06/26 1 Stopover (OSL) SK0806, SK4787 18h 10min	Return 07/06/26 1 Stopover (CPH) SK2596, SK1517 23h 35min	SAS Scandinavian Airlines		£200
Best option London Heathrow Reykjavik-Keflavik	Outbound 31/03/26 direct BA0800 03h 05min	Return 21/04/26 direct BA0801 03h 10min	British Airways	?	£204
London Heathrow Reykjavik-Keflavik	Outbound 31/03/26 direct FI0455 03h 10min	Return 21/04/26 direct FI0454 03h 10min	Icelandair		£206
London Heathrow Reykjavik-Keflavik	Outbound 31/03/26 direct BA0800 03h 05min	Return 21/04/26 direct BA0801 03h 10min	British Airways		£214
London Heathrow Reykjavik-Keflavik	Outbound 31/03/26 direct FI0455 03h 10min	Return 21/04/26 direct FI0454 03h 10min	Icelandair		£223
London Heathrow Reykjavik-Keflavik	Outbound 31/03/26 direct FI0455 03h 10min	Return 21/04/26 direct FI0454 03h 10min	Icelandair	?	£225
London Heathrow Reykjavik-Keflavik	Outbound 08/08/26 direct FI0455 03h 10min	Return 31/08/26 direct FI0450 03h 15min	Icelandair		£233 found 3 days ago
London Heathrow Reykjavik-Keflavik	Outbound 08/08/26 direct FI0455 03h 10min	Return 31/08/26 direct FI0450 03h 15min	Icelandair		£237 found 3 days ago
London Heathrow Reykjavik-Keflavik	Outbound 08/08/26 direct FI0455 03h 10min	Return 31/08/26 direct FI0450 03h 15min	Icelandair		£245 found 3 days ago

Tips and tricks to help you find cheap flights from London Heathrow to Reykjavik Keflavik

Important flight information

Flight information: London Heathrow - Reykjavik-Keflavik

Cheapest outbound flight from	£ 372,99
Outbound and return from	£ 199,69
Flight duration	min. 03:10 / max. 03:15
Return flight duration	min. 03:05/ max. 03:20
Distance	1897 km
Flights per week	29
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Reykjavik-Keflavik International (KEF)
Destination country	Flights to Iceland

Alternative flights to Reykjavik-Keflavik

Flight Glasgow - Reykjavik-Keflavik from £ 195
Flight Manchester - Reykjavik-Keflavik from £ 169
Flight Edinburgh - Reykjavik-Keflavik from £ 43
Flight London Luton - Reykjavik-Keflavik from £ 219
Flight London Gatwick - Reykjavik-Keflavik from £ 97

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