SEA to LUX from $690 in economy

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

$842 USD

-18%$690 USD

Verified 14 days ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$759 1$720 2$912 3$856 4$726 5$861 6$720 7$963 8$725 9$1,025 10$731 11$808 12$804 13$725 14$724 15$755 16$755 17$810 18$819 19$818 20$750 21$755 22$759 23$755 24$815 25$810 26$770 27$750 28$755 29$750 30$755 1$810 2$810 3$759 4$750

Good Availability

53% of dates checked are available within 10% of the lowest price

Monday, September 21st, 2026

9 round-trip options

Returning

Sat, Sep 26, 2026•5 Day Trip

$1,049 USD

Google Flights

Returning

Sun, Sep 27, 2026•6 Day Trip

$815 USD

Google Flights

Returning

Mon, Sep 28, 2026•7 Day Trip

$815 USD

Google Flights

Returning

Tue, Sep 29, 2026•8 Day Trip

$755 USD

Google Flights

Returning

Thu, Oct 1, 2026•10 Day Trip

$755 USD

Google Flights

Returning

Fri, Oct 2, 2026•11 Day Trip

$755 USD

Google Flights

Returning

Sat, Oct 3, 2026•12 Day Trip

$830 USD

Google Flights

Returning

Sun, Oct 4, 2026•13 Day Trip

$815 USD

Google Flights

Returning

Mon, Oct 5, 2026•14 Day Trip

$815 USD

Google Flights

Seattle / Tacoma (SEA) to Luxembourg City (LUX) flight deal in economy from $690

Seattle–Tacoma International Airport

Luxembourg-Findel International Airport

September 2026

Monday, September 21st, 2026