Cheapest return flights from Washington to Barcelona in July from $503

Best time to book flights for Washington (IAD) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Barcelona (BCN) in July 2025 (see full year).

Return flights

08 Jul - 16 Jul ITA Airways
14 Jul - 25 Aug ITA Airways
14 Jul - 25 Aug United direct
16 Jul - 22 Jul Icelandair
06 Jul - 13 Jul ITA Airways
07 Jul - 26 Jul TAP
27 Jul - 04 Aug Air Canada
13 Jul - 19 Jul TAP
04 Jul - 10 Jul ITA Airways
14 Jul - 19 Jul Icelandair
13 Jul - 27 Jul Icelandair
28 Jul - 04 Aug Icelandair
08 Jul - 18 Jul ITA Airways
16 Jul - 21 Jul Air Canada
20 Jul - 05 Aug Delta
27 Jul - 04 Aug United direct
28 Jul - 04 Aug United direct
26 Jul - 03 Aug Icelandair

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

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