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

Monday, December 21st, 2026

7 round-trip options

Returning
Sat, Dec 26, 20265 Day Trip
$1,362 USD
Returning
Mon, Dec 28, 20267 Day Trip
$1,318 USD
Returning
Wed, Dec 30, 20269 Day Trip
$1,034 USD
Returning
Fri, Jan 1, 202711 Day Trip
$1,733 USD
Returning
Sat, Jan 2, 202712 Day Trip
$1,646 USD
Returning
Sun, Jan 3, 202713 Day Trip
$1,608 USD
Returning
Mon, Jan 4, 202714 Day Trip
$1,251 USD