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 20/03/26 direct FI0455 03h 20min	Return 17/04/26 direct FI0450 03h 15min	Icelandair		£153
London Heathrow Reykjavik-Keflavik	Outbound 20/03/26 1 Stopover (CPH) SK0500, SK0595 28h 00min	Return 17/04/26 1 Stopover (CPH) SK0596, SK1517 06h 10min	SAS Scandinavian Airlines		£214
London Heathrow Reykjavik-Keflavik	Outbound 20/03/26 direct FI0455 03h 20min	Return 17/04/26 direct FI0450 03h 15min	Icelandair		£159
London Heathrow Reykjavik-Keflavik	Outbound 20/03/26 direct FI0455 03h 20min	Return 17/04/26 direct FI0450 03h 15min	Icelandair		£163
London Heathrow Reykjavik-Keflavik	Outbound 20/03/26 direct FI0455 03h 20min	Return 17/04/26 direct FI0450 03h 15min	Icelandair		£174
London Heathrow Reykjavik-Keflavik	Outbound 20/03/26 direct FI0455 03h 20min	Return 17/04/26 direct FI0450 03h 15min	Icelandair	?	£181
London Heathrow Reykjavik-Keflavik	Outbound 22/12/25 direct FI0455 03h 20min	Return 10/01/26 direct FI0450 03h 15min	Icelandair		£184
London Heathrow Reykjavik-Keflavik	Outbound 20/03/26 direct BA0896 03h 25min	Return 17/04/26 direct BA0801 03h 10min	British Airways	?	£190
London Heathrow Reykjavik-Keflavik	Outbound 22/12/25 direct FI0455 03h 20min	Return 10/01/26 direct FI0450 03h 15min	Icelandair	?	£204
London Heathrow Reykjavik-Keflavik	Outbound 22/12/25 1 Stopover (MAN) BA1360, U22261 34h 00min	Return 10/01/26 1 Stopover (ORY) TO7479, VY8960 20h 20min	British Airways, easyJet	?	£210

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	£ 152,99
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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