LGW to SEA from $520 in economy – flightdeals.net

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Icelandair

Round Trip•Economy

London Gatwick Airport

London Gatwick, United Kingdom

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$715 USD

-27%$520 USD

Verified about 7 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$527 1 2$636 3 4$564 5 6$791 7$527 8 9$636 10 11$558 12 13$685 14$520 15 16$645 17$678 18$697 19$773 20$851 21$640 22$640 23$721 24$678 25$630 26$620 27$698 28$533 29$577 30$662 31$668 1$933 2 3$939

Limited Availability

15% of dates checked are available within 10% of the lowest price

Tuesday, December 22nd, 2026

4 round-trip options

Returning

Sun, Dec 27, 2026•5 Day Trip

$678 USD

Returning

Tue, Dec 29, 2026•7 Day Trip

$640 USD

Returning

Fri, Jan 1, 2027•10 Day Trip

$917 USD

Returning

Sat, Jan 2, 2027•11 Day Trip

$804 USD