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

Return flights

22 Jul - 30 Jul	jetBlue
17 Jul - 29 Jul	jetBlue
29 Jul - 17 Aug	Condor
31 Jul - 07 Aug	Condor
29 Jul - 12 Aug	British Airways
30 Jul - 15 Aug	jetBlue
20 Jul - 04 Aug	TAP
20 Jul - 03 Aug	TAP
03 Jul - 07 Jul	jetBlue
16 Jul - 23 Jul	Condor
20 Jul - 17 Aug	Condor
03 Jul - 08 Jul	Condor
31 Jul - 08 Aug	jetBlue
08 Jul - 16 Jul	TAP
07 Jul - 12 Jul	TAP
01 Jul - 13 Jul	TAP
03 Jul - 11 Jul	jetBlue
03 Jul - 10 Jul	TAP

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

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 July from $873

Return flights