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

Friday, December 18th, 2026

4 round-trip options

Returning
Sat, Dec 26, 20268 Day Trip
$851 USD
Returning
Sun, Dec 27, 20269 Day Trip
$873 USD
Returning
Mon, Dec 28, 202610 Day Trip
$1,005 USD
Returning
Fri, Jan 1, 202714 Day Trip
$1,022 USD