AirHint found the following cheapest return flights from Vilnius (VNO) to Keflavik (KEF) in August 2026 (see full year).

Return flights

31 Aug - 11 Sep	Wizz Air	direct
31 Aug - 18 Sep	Wizz Air	direct
31 Aug - 14 Sep	Wizz Air	direct
31 Aug - 07 Sep	Wizz Air	direct
21 Aug - 24 Aug	Wizz Air	direct
14 Aug - 21 Aug	Finnair
18 Aug - 25 Aug	Norwegian
21 Aug - 31 Aug	Wizz Air	direct
14 Aug - 21 Aug	Wizz Air	direct
14 Aug - 17 Aug	Wizz Air	direct
14 Aug - 24 Aug	Wizz Air	direct
14 Aug - 28 Aug	Finnair
21 Aug - 28 Aug	Wizz Air	direct
21 Aug - 07 Sep	Wizz Air	direct
03 Aug - 10 Aug	airBaltic

Also check the deals for one-way flights from Vilnius 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 Vilnius to Keflavik in August from 150€

Return flights