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

Return flights

15 Dec - 29 Dec	Scandinavian Airlines
14 Dec - 28 Dec	Scandinavian Airlines
16 Dec - 29 Dec	Air Canada
15 Dec - 28 Dec	Lufthansa
16 Dec - 28 Dec	Air Canada
17 Dec - 29 Dec	Lufthansa
19 Dec - 04 Jan	Icelandair

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 $496

Return flights