Washington (IAD) to Luxembourg City (LUX) flight deal in economy from $561

Sunday, December 20th, 2026

7 round-trip options

Returning
Fri, Dec 25, 20265 Day Trip
$1,158 USD
Returning
Sun, Dec 27, 20267 Day Trip
$1,188 USD
Returning
Tue, Dec 29, 20269 Day Trip
$1,034 USD
Returning
Thu, Dec 31, 202611 Day Trip
$1,158 USD
Returning
Fri, Jan 1, 202712 Day Trip
$1,646 USD
Returning
Sat, Jan 2, 202713 Day Trip
$1,659 USD
Returning
Sun, Jan 3, 202714 Day Trip
$1,515 USD