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

Sunday, September 6th, 2026

5 round-trip options

Returning
Sat, Sep 12, 20266 Day Trip
$679 USD
Returning
Mon, Sep 14, 20268 Day Trip
$662 USD
Returning
Fri, Sep 18, 202612 Day Trip
$679 USD
Returning
Sat, Sep 19, 202613 Day Trip
$679 USD
Returning
Sun, Sep 20, 202614 Day Trip
$679 USD