SEA to OSL from $319 in economy – flightdeals.net

Home Premium Fare Deals About

British Airways

BABritish Airways

One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Oslo Airport, Gardermoen

$503 USD

-37%$319 USD

Verified about 5 hours ago

June 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5$831 6$802 7$761 8$761 9$761 10$761 11$802 12$842 13$1,250 14$877 15$761 16$866 17$972 18$831 19$842 20$1,200 21$761 22$761 23$761 24$761 25$831 26$831 27$802 28$761 29$761 30$761 1$761 2$831 3$842 4$693 5$633

Good Availability

46% of dates checked are available within 10% of the lowest price

Thursday, June 4th, 2026

No flight details available for this date.