Cheapest return flights from Boston to Barcelona in January from $357

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

Return flights

25 Jan - 01 Feb Icelandair
23 Jan - 01 Feb Icelandair
16 Jan - 23 Jan Icelandair
24 Jan - 31 Jan LEVEL direct
17 Jan - 24 Jan LEVEL direct
08 Jan - 31 Jan LEVEL direct
11 Jan - 24 Jan LEVEL direct
08 Jan - 15 Jan LEVEL direct
19 Jan - 14 Feb LEVEL direct
22 Jan - 14 Feb LEVEL direct
25 Jan - 14 Feb LEVEL direct
24 Jan - 14 Feb LEVEL direct
11 Jan - 18 Jan LEVEL direct
24 Jan - 27 Jan LEVEL direct
18 Jan - 07 Feb LEVEL direct
27 Jan - 09 Feb LEVEL direct
23 Jan - 31 Jan Aer Lingus
10 Jan - 24 Jan LEVEL direct
31 Jan - 07 Feb LEVEL direct
21 Jan - 14 Feb Air Canada

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

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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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