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

Return flights

14 Apr - 22 Apr	jetBlue
13 Apr - 20 Apr	Air Canada
23 Apr - 30 Apr	jetBlue
16 Apr - 23 Apr	jetBlue
14 Apr - 21 Apr	jetBlue
15 Apr - 22 Apr	British Airways
13 Apr - 16 Apr	British Airways
20 Apr - 27 Apr	Air Canada
12 Apr - 19 Apr	British Airways
26 Apr - 03 May	British Airways
27 Apr - 04 May	jetBlue
06 Apr - 13 Apr	jetBlue
16 Apr - 02 May	British Airways
11 Apr - 16 May	jetBlue
24 Apr - 03 May	British Airways
23 Apr - 03 May	British Airways

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

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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Cheapest return flights from Washington to Barcelona in April from 410€

Return flights