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

Monday, August 24th, 2026

3 round-trip options

Returning
Wed, Sep 2, 20269 Day Trip
$816 USD
Returning
Thu, Sep 3, 202610 Day Trip
$816 USD
Returning
Sat, Sep 5, 202612 Day Trip
$833 USD