Cheapest return flights from Boston to Barcelona in March from $388

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

Return flights

19 Mar - 24 Mar LEVEL direct
16 Mar - 23 Mar LEVEL direct
09 Mar - 17 Mar LEVEL direct
23 Mar - 10 Apr Scandinavian Airlines
23 Mar - 10 Apr LEVEL direct
14 Mar - 19 Mar LEVEL direct
18 Mar - 25 Mar Air Canada
17 Mar - 21 Mar LEVEL direct
26 Mar - 31 Mar LEVEL direct
14 Mar - 21 Mar LEVEL direct
16 Mar - 20 Mar Aer Lingus
11 Mar - 15 Mar Scandinavian Airlines
25 Mar - 01 Apr TAP
30 Mar - 06 Apr TAP
31 Mar - 25 Apr TAP
31 Mar - 25 Apr LEVEL direct

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

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