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

Saturday, December 12th, 2026

4 round-trip options

Returning
Sun, Dec 20, 20268 Day Trip
$684 USD
Returning
Mon, Dec 21, 20269 Day Trip
$667 USD
Returning
Tue, Dec 22, 202610 Day Trip
$667 USD
Returning
Sat, Dec 26, 202614 Day Trip
$684 USD