Oslo (OSL) to Seattle / Tacoma (SEA) flight deal in economy from $671

Air CanadaACAir CanadaLufthansaLHLufthansaSwiss International Air LinesLXSwiss International Air LinesAustrian AirlinesOSAustrian AirlinesUnited AirlinesUAUnited Airlines
Round Trip•Economy
NorwayOSL

Oslo Airport, Gardermoen

Oslo, Norway
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$755 USD
-11%$671 USD
Verified 1 day ago
Great Availability
70% of dates checked are available within 10% of the lowest price

Friday, September 4th, 2026

10 round-trip options

Returning
Wed, Sep 9, 2026•5 Day Trip
$740 USD
Google Flights
Returning
Thu, Sep 10, 2026•6 Day Trip
$785 USD
Google Flights
Returning
Fri, Sep 11, 2026•7 Day Trip
$951 USD
Google Flights
Returning
Sat, Sep 12, 2026•8 Day Trip
$746 USD
Google Flights
Returning
Sun, Sep 13, 2026•9 Day Trip
$694 USD
Google Flights
Returning
Mon, Sep 14, 2026•10 Day Trip
$850 USD
Google Flights
Returning
Tue, Sep 15, 2026•11 Day Trip
$694 USD
Google Flights
Returning
Wed, Sep 16, 2026•12 Day Trip
$694 USD
Google Flights
Returning
Thu, Sep 17, 2026•13 Day Trip
$792 USD
Google Flights
Returning
Fri, Sep 18, 2026•14 Day Trip
$852 USD
Google Flights