Cheapest return flights from Boston to Barcelona in January from $367

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

26 Jan - 31 Jan Iberia direct
26 Jan - 02 Feb Iberia direct
05 Jan - 12 Jan Iberia direct
04 Jan - 11 Jan British Airways
06 Jan - 13 Jan Air Canada
07 Jan - 14 Jan Air Canada
04 Jan - 11 Jan Iberia direct
08 Jan - 15 Jan Iberia
02 Jan - 09 Jan British Airways
01 Jan - 08 Jan TAP
03 Jan - 10 Jan TAP

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona