Cheapest return flights from Washington to Barcelona in May from $627

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 May 2025 (see full year).

Return flights

27 May - 03 Jun ITA Airways
31 May - 10 Jun Icelandair
28 May - 02 Jun TAP
30 May - 08 Jun Icelandair
25 May - 02 Jun SWISS
31 May - 08 Jun Icelandair
29 May - 16 Jun Icelandair
25 May - 04 Jun Lufthansa
29 May - 17 Jun Icelandair
28 May - 01 Jun Air Canada

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

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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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