AirHint found the following cheapest return flights from Valencia (VLC) to Keflavik (KEF) in August 2025 (see full year).

Return flights

26 Aug - 02 Sep	Scandinavian Airlines
30 Aug - 07 Sep	Vueling Airlines
26 Aug - 05 Sep	Scandinavian Airlines
28 Aug - 08 Sep	Wizz Air
30 Aug - 06 Sep	Wizz Air
31 Aug - 08 Sep	Ryanair
19 Aug - 02 Sep	Iberia
15 Aug - 26 Aug	Ryanair
30 Aug - 13 Sep	Wizz Air
30 Aug - 05 Sep	Wizz Air
21 Aug - 27 Aug	Ryanair
31 Aug - 10 Sep	Ryanair
25 Aug - 30 Aug	Ryanair
20 Aug - 26 Aug	Ryanair
20 Aug - 27 Aug	Air Europa
21 Aug - 30 Aug	Ryanair
15 Aug - 23 Aug	Ryanair
13 Aug - 23 Aug	Ryanair
21 Aug - 28 Aug	Ryanair
23 Aug - 26 Aug	Fly Play	direct

Also check the deals for one-way flights from Valencia to Keflavik in August.

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 Valencia to Keflavik in August from $239

Return flights