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
Best option London Heathrow Reykjavik-Keflavik	Outbound 08/12/25 direct BA0894 03h 20min	Return 24/12/25 direct BA0895 03h 10min	British Airways		£188
London Heathrow Reykjavik-Keflavik	Outbound 30/10/25 1 Stopover (CPH) SK0500, SK0595 28h 05min	Return 04/11/25 1 Stopover (CPH) SK0596, SK1507 07h 00min	SAS Scandinavian Airlines		£236
London Heathrow Reykjavik-Keflavik	Outbound 08/12/25 direct BA0894 03h 20min	Return 24/12/25 direct BA0895 03h 10min	British Airways		£190
London Heathrow Reykjavik-Keflavik	Outbound 08/12/25 direct BA0894 03h 20min	Return 24/12/25 direct BA0895 03h 10min	British Airways		£198
London Heathrow Reykjavik-Keflavik	Outbound 08/12/25 direct BA0894 03h 20min	Return 24/12/25 direct BA0895 03h 10min	British Airways		£200
London Heathrow Reykjavik-Keflavik	Outbound 30/10/25 direct FI0455 03h 20min	Return 04/11/25 direct FI0450 03h 15min	Icelandair	?	£204
London Heathrow Reykjavik-Keflavik	Outbound 08/12/25 1 Stopover (CPH) SK1508, SK0595 15h 15min	Return 24/12/25 1 Stopover (CPH) SK0596, SK1501 10h 10min	SAS Scandinavian Airlines	?	£209
London Heathrow Reykjavik-Keflavik	Outbound 08/12/25 direct FI0455 03h 20min	Return 24/12/25 direct FI0450 03h 15min	Icelandair		£234
London Heathrow Reykjavik-Keflavik	Outbound 08/12/25 direct FI0455 03h 20min	Return 24/12/25 direct FI0450 03h 15min	Icelandair	?	£280
London Heathrow Reykjavik-Keflavik	Outbound 20/09/25 1 Stopover (FRA) LH0909, LH0846 09h 05min	Return 27/09/25 2 Stopovers (ZRH, GVA) LX8301, LX2816, LX0352 16h 35min	Lufthansa		£328

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

Important flight information

Flight information: London Heathrow - Reykjavik-Keflavik

Outbound and return from	187,99 £
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

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