Cheapest return flights from Washington to Barcelona in July from $670

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

Return flights

29 Jul - 17 Aug TAP
27 Jul - 31 Jul TAP
08 Jul - 15 Jul TAP
07 Jul - 15 Jul TAP
11 Jul - 18 Aug TAP
14 Jul - 21 Jul TAP
16 Jul - 30 Jul TAP
14 Jul - 20 Jul TAP
24 Jul - 02 Aug TAP
23 Jul - 02 Aug TAP
16 Jul - 26 Jul TAP
01 Jul - 06 Jul Royal Air Maroc
03 Jul - 10 Jul TAP
02 Jul - 05 Jul TAP
31 Jul - 09 Aug United

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

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