Seattle / Tacoma (SEA) to Luxembourg City (LUX) flight deal from $456 USD in economy class

AFAir France

DLDelta Air Lines

KLKLM

Round Trip•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

LUX

Luxembourg-Findel International Airport

Luxembourg City, Luxembourg

$889 USD

-49%$456 USD

Verified Nov 27, 2025 at 5:57 PM

April 2026

Today

Mon

Tue

Wed

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Sun

30$469 31$456 1$469 2$626 3$718 4$506 5$469 6$469 7$456 8$469 9$626 10$741 11$508 12$468 13$461 14$456 15$468 16$506 17$506 18$554 19$468 20$460 21$456 22$468 23$506 24$523 25$560 26$469 27$469 28$456 29$469 30$507 1 2 3

Fair Availability

24% of dates checked are available within 10% of the lowest price

Thursday, April 16th, 2026

10 round-trip options

Returning

Tue, Apr 21, 2026•5 Day Trip

$506 USD

Google Flights

Returning

Wed, Apr 22, 2026•6 Day Trip

$506 USD

Google Flights

Returning

Thu, Apr 23, 2026•7 Day Trip

$506 USD

Google Flights

Returning

Fri, Apr 24, 2026•8 Day Trip

$529 USD

Google Flights

Returning

Sat, Apr 25, 2026•9 Day Trip

$556 USD

Google Flights

Returning

Sun, Apr 26, 2026•10 Day Trip

$568 USD

Google Flights

Returning

Mon, Apr 27, 2026•11 Day Trip

$579 USD

Google Flights

Returning

Tue, Apr 28, 2026•12 Day Trip

$506 USD

Google Flights

Returning

Wed, Apr 29, 2026•13 Day Trip

$506 USD

Google Flights

Returning

Thu, Apr 30, 2026•14 Day Trip

$506 USD

Google Flights