Cheapest return flights from Boston to Barcelona in December from 347€

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

Return flights

02 Dec - 09 Dec Iberia
01 Dec - 08 Dec Iberia
03 Dec - 10 Dec Iberia direct
05 Dec - 08 Dec Iberia direct
05 Dec - 12 Dec Iberia direct
03 Dec - 06 Dec Iberia
02 Dec - 05 Dec Iberia
04 Dec - 07 Dec Iberia
04 Dec - 11 Dec Iberia
06 Dec - 13 Dec Iberia

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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