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

Return flights

19 Sep - 22 Sep	Fly Play	direct
26 Sep - 05 Oct	Fly Play	direct
27 Sep - 01 Oct	Wizz Air
29 Sep - 10 Oct	Fly Play	direct
25 Sep - 28 Sep	Ryanair
26 Sep - 29 Sep	Fly Play	direct
22 Sep - 05 Oct	Fly Play	direct
25 Sep - 02 Oct	Ryanair
16 Sep - 18 Sep	Ryanair
26 Sep - 07 Oct	Fly Play
19 Sep - 26 Sep	Fly Play	direct
24 Sep - 29 Sep	Wizz Air
23 Sep - 30 Sep	Ryanair
24 Sep - 06 Oct	Wizz Air
25 Sep - 07 Oct	Ryanair
22 Sep - 29 Sep	Fly Play	direct
19 Sep - 24 Sep	Fly Play
19 Sep - 27 Sep	Fly Play
26 Sep - 04 Oct	Fly Play

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

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 September from 188€

Return flights