Cheapest return BOS–BCN flights, December

AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN) in December 2026 (see full year).

Return flights

03 Dec - 10 Dec Iberia direct
08 Dec - 15 Dec Iberia direct
10 Dec - 17 Dec Iberia direct
15 Dec - 22 Dec Iberia direct
12 Dec - 15 Dec Iberia direct
02 Dec - 05 Dec Iberia
07 Dec - 10 Dec Iberia
09 Dec - 12 Dec Iberia
01 Dec - 04 Dec Iberia
12 Dec - 19 Dec Iberia direct
28 Dec - 04 Jan Air Canada
29 Dec - 05 Jan TAP
25 Dec - 01 Jan Scandinavian Airlines
31 Dec - 07 Jan Iberia
27 Dec - 03 Jan TAP
31 Dec - 03 Jan Iberia
30 Dec - 06 Jan Iberia
26 Dec - 02 Jan TAP
29 Dec - 01 Jan Iberia
17 Dec - 01 Jan Aer Lingus

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

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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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