Flights from Seattle to Oslo available from USD 419*

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Our best rates from Seattle to Oslo

Jul 2025
FromUSD 564*
Fare: Round trip/Economy
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    • *Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking

    Fly in the next three months: flights from Seattle to Oslo

    USD

    Seattle (SEA)to

    Oslo (OSL)
    Sep 30 2025 - Oct 09 2025
    From
    USD 419
    Round trip
    Economy

    Seattle (SEA)to

    Oslo (OSL)
    Sep 30 2025 - Oct 10 2025
    From
    USD 419
    Round trip
    Economy

    Seattle (SEA)to

    Oslo (OSL)
    Sep 30 2025 - Oct 18 2025
    From
    USD 419
    Round trip
    Economy

    Seattle (SEA)to

    Oslo (OSL)
    Sep 30 2025 - Oct 19 2025
    From
    USD 419
    Round trip
    Economy

    Seattle (SEA)to

    Oslo (OSL)
    Sep 30 2025 - Oct 24 2025
    From
    USD 419
    Round trip
    Economy

    Seattle (SEA)to

    Oslo (OSL)
    Sep 30 2025 - Oct 04 2025
    From
    USD 419
    Round trip
    Economy

    Seattle (SEA)to

    Oslo (OSL)
    Sep 30 2025 - Oct 11 2025
    From
    USD 419
    Round trip
    Economy

    Seattle (SEA)to

    Oslo (OSL)
    Sep 30 2025 - Oct 25 2025
    From
    USD 419
    Round trip
    Economy

    *Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.

     

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    Plan ahead for your trip from Seattle to Oslo with Icelandair

    USD
    Plan ahead for your trip from Seattle to Oslo with Icelandair
    From
    To
    Fare type
    Dates
    Price
    Seattle (SEA)Oslo (OSL)Round trip
    /
    Economy    		Jan 16 2026 - Feb 04 2026

    From

    USD 419

    Viewed 12 hrs ago

    Seattle (SEA)Oslo (OSL)Round trip
    /
    Economy    		Jan 16 2026 - Feb 06 2026

    From

    USD 419

    Viewed 12 hrs ago

    Seattle (SEA)Oslo (OSL)Round trip
    /
    Economy    		Jan 16 2026 - Feb 07 2026

    From

    USD 419

    Viewed 12 hrs ago

    Seattle (SEA)Oslo (OSL)Round trip
    /
    Economy    		Jan 17 2026 - Jan 21 2026

    From

    USD 419

    Viewed 12 hrs ago

    Seattle (SEA)Oslo (OSL)Round trip
    /
    Economy    		Jan 17 2026 - Jan 23 2026

    From

    USD 419

    Viewed 12 hrs ago

    Seattle (SEA)Oslo (OSL)Round trip
    /
    Economy    		Jan 17 2026 - Jan 28 2026

    From

    USD 419

    Viewed 12 hrs ago

    Seattle (SEA)Oslo (OSL)Round trip
    /
    Economy    		Jan 17 2026 - Jan 29 2026

    From

    USD 419

    Viewed 12 hrs ago

    Seattle (SEA)Oslo (OSL)Round trip
    /
    Economy    		Jan 17 2026 - Jan 31 2026

    From

    USD 419

    Viewed 12 hrs ago

    Seattle (SEA)Oslo (OSL)Round trip
    /
    Economy    		Jan 17 2026 - Feb 02 2026

    From

    USD 419

    Viewed 12 hrs ago

    *Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.

    Flights to Oslo from Seattle

    Fly from the Emerald City to the vibrant Norwegian capital of Oslo in style with Icelandair.

    With endless hours of onboard entertainment, a unique selection of Icelandic refreshments, and comfortable cabin seating, choose Icelandair for your Seattle to Oslo flight.

    Book your flight to Oslo from Seattle today and enjoy one of the fastest transatlantic flight times with an easy transfer at our Keflavik hub.

     

    FAQs about travel from Seattle to Oslo

    Helpful information for passengers traveling from Seattle to Oslo

    When is the best time to fly to Oslo from Seattle?

    The best time to book flights to Oslo is in the spring or summer, particularly between May and August.

    Long hours of daylight, mild weather, and the vast range of festivals and outdoor activities available make this an ideal time to travel to Oslo from Seattle.

    How long is the flight from Seattle to Oslo?

    A typical flight from Seattle to Oslo takes around 11-13 hours.

    Layovers are common on this route, which makes the journey slightly longer than on a direct flight.

    Seattle to Oslo flights with Icelandair transit via our Keflavík hub, but the total journey time is as little as 11 hours 30 minutes.

    Which airport do you fly from when traveling from Seattle to Oslo?

    Passengers traveling with Icelandair will depart from Seattle Tacoma International (SEA) and arrive at Oslo Airport, Gardermoen (OSL). It takes around 20-40 minutes to reach Oslo city center once you land.

    How do you find cheap flights to Oslo from Seattle?

    Planning your trip outside of peak season (summer) and booking well in advance will help you secure cheap flights from Seattle to Oslo.

    You can also check our flight deals regularly for the best airfare rates.