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 13 hours ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$653 1$630 2$666 3$706 4$671 5$746 6$621 7$654 8$666 9$603 10$706 11$715 12$847 13$811 14 15$812 16$596 17$699 18$806 19$772 20$899 21 22$659 23$596 24$699 25$759 26$838 27$766 28 29$659 30$583 1$692 2$692 3$731 4$712

Limited Availability

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

Wednesday, September 16th, 2026

3 round-trip options

Returning

Tue, Sep 22, 2026•6 Day Trip

$603 USD

Returning

Thu, Sep 24, 2026•8 Day Trip

$603 USD

Returning

Wed, Sep 30, 2026•14 Day Trip

$596 USD