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

Return flights

24 Aug - 11 Sep	Wizz Air
28 Aug - 07 Sep	airBaltic
28 Aug - 14 Sep	airBaltic
31 Aug - 11 Sep	Wizz Air
21 Aug - 07 Sep	airBaltic
06 Aug - 13 Aug	Wizz Air
21 Aug - 28 Aug	Wizz Air
29 Aug - 15 Sep	Finnair
15 Aug - 25 Aug	Finnair
21 Aug - 08 Sep	airBaltic
29 Aug - 14 Sep	Finnair
14 Aug - 24 Aug	Wizz Air
21 Aug - 28 Aug	Fly Play	direct
07 Aug - 24 Aug	Finnair
15 Aug - 24 Aug	Finnair
03 Aug - 21 Aug	airBaltic
22 Aug - 07 Sep	Finnair
29 Aug - 07 Sep	Finnair
14 Aug - 24 Aug	Fly Play	direct
07 Aug - 14 Aug	Wizz Air

Also check the deals for one-way flights from Keflavik to Vilnius 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.

Book a cheap hotel in Vilnius

Cheap car rent in Vilnius

Cheapest return flights from Keflavik to Vilnius in August from $277

Return flights