AirHint found the following cheapest return flights from London (LTN) to Keflavik (KEF) in July 2026 (see full year).

Return flights

01 Jul - 12 Jul	easyJet	direct
12 Jul - 22 Jul	easyJet	direct
08 Jul - 15 Jul	easyJet	direct
19 Jul - 29 Jul	easyJet	direct
19 Jul - 22 Jul	easyJet	direct
26 Jul - 05 Aug	easyJet	direct
10 Jul - 12 Jul	easyJet
17 Jul - 19 Jul	easyJet
21 Jul - 26 Jul	easyJet
05 Jul - 09 Jul	easyJet
14 Jul - 18 Jul	easyJet
27 Jul - 02 Aug	Ryanair
27 Jul - 01 Aug	Ryanair
30 Jul - 10 Aug	Wizz Air UK

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

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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Cheapest return flights from London to Keflavik in July from 118€

Return flights