Cheapest one-way flights from Washington to Barcelona in April from $261

AirHint found the following cheapest one-way flights from Washington (IAD) to Barcelona (BCN) in April 2026 (see full year).

One-Way flights

11 Apr Icelandair
23 Apr Icelandair
02 Apr Frontier Airlines
22 Apr Icelandair
03 Apr Frontier Airlines
26 Apr TAP
04 Apr Frontier Airlines
23 Apr Lufthansa direct
26 Apr United direct
11 Apr United direct

Also check the deals for return flights from Washington to Barcelona in April.

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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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