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

Return flights

05 Mar - 09 Mar	TAP
04 Mar - 09 Mar	TAP
19 Mar - 23 Mar	TAP
16 Mar - 30 Mar	LEVEL	direct
12 Mar - 16 Mar	LEVEL	direct
30 Mar - 06 Apr	Scandinavian Airlines
19 Mar - 24 Mar	TAP
19 Mar - 29 Mar	TAP
05 Mar - 10 Mar	TAP
05 Mar - 16 Mar	TAP
31 Mar - 06 Apr	Scandinavian Airlines
12 Mar - 19 Mar	LEVEL	direct
31 Mar - 07 Apr	Iberia	direct
31 Mar - 10 Apr	Iberia	direct
31 Mar - 06 Apr	Iberia	direct
31 Mar - 03 Apr	Iberia	direct
30 Mar - 07 Apr	Scandinavian Airlines
19 Mar - 06 Apr	Iberia	direct
30 Mar - 08 Apr	Scandinavian Airlines
31 Mar - 05 Apr	TAP

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

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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Cheapest return flights from Barcelona to Boston in March from $464

Return flights