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

Monday, August 31st, 2026

3 round-trip options

Returning
Wed, Sep 9, 20269 Day Trip
$655 USD
Returning
Thu, Sep 10, 202610 Day Trip
$655 USD
Returning
Sat, Sep 12, 202612 Day Trip
$668 USD