AirHint found the following cheapest return flights from Chicago (ORD) to Vilnius (VNO) in December 2025 (see full year).

Return flights

07 Dec - 08 Jan	Scandinavian Airlines
13 Dec - 06 Jan	Scandinavian Airlines
25 Dec - 07 Jan	Scandinavian Airlines
14 Dec - 27 Dec	Lufthansa
15 Dec - 27 Dec	Lufthansa
15 Dec - 28 Dec	Lufthansa
17 Dec - 09 Jan	Scandinavian Airlines
26 Dec - 06 Jan	Scandinavian Airlines
19 Dec - 28 Dec	Lufthansa

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

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Cheapest return flights from Chicago to Vilnius in December from 350€

Return flights