Cheapest return flights from Washington to Barcelona in January from $571

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

Return flights

18 Jan - 28 Jan British Airways
15 Jan - 24 Jan Air Canada
23 Jan - 26 Jan Air Canada
18 Jan - 26 Jan British Airways
18 Jan - 25 Jan British Airways
23 Jan - 30 Jan British Airways
13 Jan - 20 Jan British Airways
22 Jan - 31 Jan British Airways
24 Jan - 31 Jan British Airways
25 Jan - 28 Jan Air Canada

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

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