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

Return flights

08 Dec - 15 Dec	KLM
04 Dec - 11 Dec	Scandinavian Airlines
02 Dec - 09 Dec	Austrian Airlines
01 Dec - 08 Dec	Scandinavian Airlines
17 Dec - 07 Jan	Icelandair
17 Dec - 10 Jan	Icelandair
22 Dec - 15 Jan	Azores Airlines
16 Dec - 10 Jan	Azores Airlines
13 Dec - 19 Dec	Iberia
19 Dec - 14 Jan	Icelandair
29 Dec - 05 Jan	Scandinavian Airlines
19 Dec - 15 Jan	Icelandair
13 Dec - 04 Jan	TAP
18 Dec - 10 Jan	Spirit Airlines
19 Dec - 10 Jan	Icelandair
22 Dec - 29 Dec	Azores Airlines
19 Dec - 26 Dec	Icelandair
16 Dec - 23 Dec	Scandinavian Airlines

Also check the deals for one-way flights from Boston 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.

Book a cheap hotel in Vilnius

Cheap car rent in Vilnius

Cheapest return flights from Boston to Vilnius in December from 342€

Return flights