Oslo (OSL) to Seattle / Tacoma (SEA) flight deal from $581 USD in economy class

SKScandinavian Airlines

Round Trip•Economy

OSL

Oslo Airport, Gardermoen

Oslo, Norway

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$981 USD

-41%$581 USD

Verified Nov 4, 2025 at 12:10 PM

December 2025

Today

Mon

Tue

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Sun

1$739 2$739 3$598 4$685 5$637 6$607 7$607 8$627 9$637 10$723 11$754 12$832 13$744 14$783 15$783 16$895 17$805 18$1,189 19$1,184 20$1,252 21$1,095 22$980 23$895 24$795 25$744 26$846 27$985 28$1,005 29$1,005 30$1,005 31$1,127 1 2 3 4

Fair Availability

21% of dates checked are available within 10% of the lowest price

Tuesday, December 23rd, 2025

10 round-trip options

Returning

Sun, Dec 28, 2025•5 Day Trip

$1,184 USD

Google Flights

Returning

Mon, Dec 29, 2025•6 Day Trip

$1,022 USD

Google Flights

Returning

Tue, Dec 30, 2025•7 Day Trip

$964 USD

Google Flights

Returning

Wed, Dec 31, 2025•8 Day Trip

$951 USD

Google Flights

Returning

Thu, Jan 1, 2026•9 Day Trip

$984 USD

Google Flights

Returning

Fri, Jan 2, 2026•10 Day Trip

$1,589 USD

Google Flights

Returning

Sat, Jan 3, 2026•11 Day Trip

$1,095 USD

Google Flights

Returning

Sun, Jan 4, 2026•12 Day Trip

$1,095 USD

Google Flights

Returning

Mon, Jan 5, 2026•13 Day Trip

$895 USD

Google Flights

Returning

Tue, Jan 6, 2026•14 Day Trip

$959 USD

Google Flights