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 31/01/26 direct FI0455 03h 20min	Return 03/02/26 direct FI0450 03h 15min	Icelandair		£121
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 31/01/26 direct FI0455 03h 20min	Return 03/02/26 direct FI0450 03h 15min	Icelandair		£125
London Heathrow Reykjavik-Keflavik	Outbound 31/01/26 direct FI0455 03h 20min	Return 03/02/26 direct FI0450 03h 15min	Icelandair		£126
London Heathrow Reykjavik-Keflavik	Outbound 31/01/26 direct FI0455 03h 20min	Return 03/02/26 direct FI0454 03h 10min	Icelandair	?	£128
London Heathrow Reykjavik-Keflavik	Outbound 31/01/26 direct FI0455 03h 20min	Return 03/02/26 direct FI0450 03h 15min	Icelandair		£138
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 31/01/26 direct FI0455 03h 20min	Return 03/02/26 direct BA0895 03h 10min	Icelandair	?	£165
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 31/01/26 direct FI0451 03h 15min	Return 03/02/26 direct FI0454 03h 10min	Icelandair		£183

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	£ 120,99
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

Alternative flights to Reykjavik-Keflavik

Flight London Stansted - Reykjavik-Keflavik from £ 149
Flight London Gatwick - Reykjavik-Keflavik from £ 116
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Flight Edinburgh - Reykjavik-Keflavik from £ 140
Flight London Luton - Reykjavik-Keflavik from £ 108

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