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

Return flights

11 Dec - 14 Dec	Ryanair
07 Dec - 12 Dec	Wizz Air Malta
02 Dec - 09 Dec	KLM
05 Dec - 09 Dec	KLM
06 Dec - 11 Dec	Wizz Air Malta
02 Dec - 09 Dec	Austrian Airlines	direct
26 Dec - 08 Jan	Aer Lingus
12 Dec - 14 Dec	Ryanair
01 Dec - 09 Dec	SWISS
07 Dec - 11 Dec	Wizz Air Malta
26 Dec - 11 Jan	Ryanair
08 Dec - 11 Dec	Condor
25 Dec - 06 Jan	Wizz Air Malta
27 Dec - 08 Jan	KLM
25 Dec - 05 Jan	Wizz Air Malta
26 Dec - 06 Jan	Ryanair
23 Dec - 04 Jan	Ryanair
16 Dec - 02 Jan	Ryanair
23 Dec - 05 Jan	Ryanair
26 Dec - 11 Jan	Austrian Airlines	direct

Also check the deals for one-way flights from Vienna to Boston 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 Vienna to Boston in December from 549€

Return flights