AirHint found the following cheapest return flights from Shannon (SNN) to Kaunas (KUN) in December 2025 (see full year).

Return flights

04 Dec - 05 Dec	Ryanair	direct
07 Dec - 19 Dec	Ryanair	direct
04 Dec - 19 Dec	Ryanair	direct
05 Dec - 19 Dec	Ryanair	direct
31 Dec - 18 Jan	Ryanair	direct
04 Dec - 07 Dec	Ryanair
05 Dec - 07 Dec	Ryanair
07 Dec - 21 Dec	Ryanair	direct
04 Dec - 21 Dec	Ryanair	direct
31 Dec - 08 Jan	Ryanair
05 Dec - 21 Dec	Ryanair	direct
31 Dec - 08 Jan	Ryanair	direct
07 Dec - 24 Dec	Ryanair	direct
28 Dec - 08 Jan	Ryanair	direct
24 Dec - 08 Jan	Ryanair	direct

Also check the deals for one-way flights from Shannon to Kaunas in December.

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 Kaunas

Cheap car rent in Kaunas

Cheapest return flights from Shannon to Kaunas in December from 56€

Return flights