Cheapest return flights from London to Keflavik in July from $268

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

09 Jul - 16 Jul Scandinavian Airlines
17 Jul - 24 Jul Icelandair direct
21 Jul - 24 Jul Icelandair direct
21 Jul - 25 Jul Icelandair direct
26 Jul - 30 Jul Icelandair direct
11 Jul - 16 Jul Icelandair direct
10 Jul - 20 Jul Icelandair direct
11 Jul - 20 Jul Icelandair direct
07 Jul - 16 Jul Icelandair direct
15 Jul - 20 Jul Icelandair direct
30 Jul - 06 Aug Icelandair direct
01 Jul - 01 Aug Icelandair direct
05 Jul - 02 Aug Icelandair direct
28 Jul - 04 Aug Icelandair direct
25 Jul - 01 Aug Icelandair direct
21 Jul - 01 Aug Icelandair direct
31 Jul - 05 Aug Scandinavian Airlines
31 Jul - 10 Aug Icelandair direct
24 Jul - 03 Aug Icelandair direct
25 Jul - 03 Aug Icelandair direct

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

Skyscanner

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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