Cheapest one-way flights from Washington to Barcelona in April from $303

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

One-Way flights

15 Apr TAP
15 Apr Lufthansa direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.