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

Return flights

01 Jul - 08 Jul	easyJet	direct
08 Jul - 12 Jul	easyJet	direct
01 Jul - 15 Jul	easyJet	direct
08 Jul - 15 Jul	easyJet	direct
22 Jul - 29 Jul	easyJet	direct
26 Jul - 02 Aug	easyJet	direct
22 Jul - 12 Aug	easyJet
10 Jul - 19 Jul	easyJet
10 Jul - 15 Jul	easyJet
14 Jul - 18 Jul	easyJet
04 Jul - 12 Jul	Wizz Air Malta
02 Jul - 05 Jul	Wizz Air
25 Jul - 01 Aug	Wizz Air Malta

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 $120

Return flights