Cheapest return flights from Boston to Barcelona in December from 279€

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

Return flights

01 Dec - 08 Dec TAP
05 Dec - 12 Dec TAP
04 Dec - 11 Dec TAP
02 Dec - 09 Dec TAP
06 Dec - 13 Dec TAP
07 Dec - 14 Dec TAP
03 Dec - 10 Dec TAP
04 Dec - 13 Dec TAP
03 Dec - 11 Dec TAP
06 Dec - 14 Dec TAP
29 Dec - 17 Jan Iberia direct
30 Dec - 09 Jan Aer Lingus
29 Dec - 08 Jan Aer Lingus
31 Dec - 07 Jan Icelandair
27 Dec - 11 Jan Scandinavian Airlines
29 Dec - 05 Jan Scandinavian Airlines
27 Dec - 11 Jan Iberia direct
30 Dec - 06 Jan Aer Lingus
29 Dec - 08 Jan Iberia direct
16 Dec - 10 Jan United

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

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