Madrid (MAD) to Washington (IAD) flight deal in economy from $609

Sunday, August 30th, 2026

3 round-trip options

Returning
Tue, Sep 8, 20269 Day Trip
$668 USD
Returning
Wed, Sep 9, 202610 Day Trip
$672 USD
Returning
Fri, Sep 11, 202612 Day Trip
$685 USD