Cheapest return flights from Boston to Barcelona in December from $284

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

Return flights

07 Dec - 14 Dec Iberia For Level direct
09 Dec - 16 Dec Iberia For Level direct
11 Dec - 15 Dec Iberia For Level direct
16 Dec - 23 Dec Iberia For Level direct
22 Dec - 29 Dec Iberia For Level direct
22 Dec - 18 Jan Iberia For Level direct
25 Dec - 01 Jan Iberia For Level direct
25 Dec - 10 Jan Iberia direct
23 Dec - 29 Dec Iberia For Level direct
25 Dec - 31 Dec Iberia
15 Dec - 20 Dec Iberia For Level direct
14 Dec - 20 Dec Iberia For Level direct
24 Dec - 01 Jan Lufthansa
12 Dec - 19 Dec Icelandair
28 Dec - 04 Jan Iberia For Level direct
28 Dec - 03 Jan Iberia For Level direct
25 Dec - 04 Jan Iberia For Level direct
24 Dec - 04 Jan British Airways
20 Dec - 04 Jan Iberia For Level direct
19 Dec - 04 Jan Iberia

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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