Cheapest return flights from Boston to Barcelona in January from $298

Best time to book flights for Boston (BOS) to Barcelona (BCN) flights at AirHint

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

Return flights

11 Jan - 18 Jan Iberia direct
12 Jan - 19 Jan Iberia direct
15 Jan - 20 Jan Iberia direct
08 Jan - 15 Jan Iberia
07 Jan - 14 Jan Finnair
07 Jan - 21 Jan Iberia
03 Jan - 08 Jan Iberia direct
09 Jan - 16 Jan Icelandair
16 Jan - 23 Jan TAP
10 Jan - 17 Jan Delta

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

Skyscanner

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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