Cheapest return flights from Boston to Barcelona in December from 257€

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

Return flights

03 Dec - 07 Dec TAP
04 Dec - 11 Dec TAP
11 Dec - 14 Dec TAP
04 Dec - 09 Dec TAP
01 Dec - 08 Dec TAP
01 Dec - 07 Dec TAP
09 Dec - 16 Dec Iberia For Level direct
04 Dec - 09 Dec Iberia For Level direct
01 Dec - 08 Dec Iberia For Level direct
01 Dec - 07 Dec Iberia For Level direct
28 Dec - 08 Jan Iberia For Level direct
24 Dec - 08 Jan Air Canada
29 Dec - 05 Jan SWISS
29 Dec - 05 Jan Iberia For Level direct
21 Dec - 05 Jan Icelandair
31 Dec - 10 Jan Air Canada
28 Dec - 04 Jan Icelandair
22 Dec - 06 Jan Iberia For Level direct
25 Dec - 03 Jan Icelandair
28 Dec - 04 Jan Iberia For Level direct

Also check the deals for one-way flights from Boston to Barcelona in December.

Skyscanner

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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