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

Return flights

03 Mar - 16 Mar	TAP
04 Mar - 17 Mar	TAP
11 Mar - 16 Mar	TAP
12 Mar - 17 Mar	TAP
10 Mar - 23 Mar	TAP
06 Mar - 21 Mar	TAP
12 Mar - 19 Mar	TAP
03 Mar - 09 Mar	TAP
16 Mar - 30 Mar	TAP
16 Mar - 31 Mar	LEVEL	direct
31 Mar - 06 Apr	LEVEL	direct
30 Mar - 06 Apr	LEVEL	direct
31 Mar - 04 Apr	Iberia	direct
30 Mar - 04 Apr	Iberia	direct
24 Mar - 01 Apr	Iberia
30 Mar - 07 Apr	LEVEL	direct
31 Mar - 07 Apr	LEVEL	direct
30 Mar - 03 Apr	LEVEL	direct
31 Mar - 03 Apr	Iberia	direct
30 Mar - 08 Apr	Iberia

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 369€

Return flights