Cheapest return flights from Washington to Barcelona in April from $475

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

Return flights

07 Apr - 14 Apr TAP
08 Apr - 15 Apr TAP
24 Apr - 29 Apr TAP
05 Apr - 11 Apr TAP
14 Apr - 21 Apr TAP
24 Apr - 27 Apr TAP
16 Apr - 10 May TAP
10 Apr - 23 Apr Scandinavian Airlines
03 Apr - 11 Apr Scandinavian Airlines
06 Apr - 13 Apr TAP
07 Apr - 14 Apr Lufthansa direct

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

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