Cheapest return flights from London to Keflavik in July from $290

Best time to book flights for London (LHR) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF) in July 2025 (see full year).

Return flights

02 Jul - 23 Jul Scandinavian Airlines
30 Jul - 06 Aug Scandinavian Airlines
31 Jul - 05 Aug Icelandair direct
30 Jul - 04 Aug Scandinavian Airlines
31 Jul - 04 Aug Scandinavian Airlines
29 Jul - 05 Aug Icelandair direct
02 Jul - 09 Jul Scandinavian Airlines
09 Jul - 15 Jul SWISS
10 Jul - 10 Aug Scandinavian Airlines
02 Jul - 13 Jul Scandinavian Airlines
31 Jul - 04 Aug Icelandair direct
31 Jul - 08 Aug Icelandair direct
02 Jul - 23 Jul Icelandair direct
23 Jul - 30 Jul British Airways
22 Jul - 30 Jul Icelandair direct
08 Jul - 23 Jul Scandinavian Airlines
10 Jul - 25 Jul Icelandair direct
28 Jul - 01 Aug Icelandair direct
28 Jul - 04 Aug Icelandair direct
03 Jul - 10 Jul Scandinavian Airlines

Also check the deals for one-way flights from London to Keflavik in July.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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