Flights from Seattle to Oslo available from USD 501*
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Our best rates from Seattle to Oslo
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Fly in the next 3 months: flights from Seattle to Oslo (OSL)
Icelandair airfare from Seattle to Oslo - starting at USD 501
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USD
Seattle (SEA)to
Oslo (OSL)Nov 15 2026 - Dec 03 2026
From
USD 501
Viewed 17 hrs ago
Round trip
Economy
Seattle (SEA)to
Oslo (OSL)Nov 17 2026 - Dec 06 2026
From
USD 501
Viewed 17 hrs ago
Round trip
Economy
Seattle (SEA)to
Oslo (OSL)Nov 17 2026 - Dec 07 2026
From
USD 501
Viewed 17 hrs ago
Round trip
Economy
Seattle (SEA)to
Oslo (OSL)Nov 17 2026 - Dec 09 2026
From
USD 501
Viewed 17 hrs ago
Round trip
Economy
Seattle (SEA)to
Oslo (OSL)Nov 17 2026 - Dec 10 2026
From
USD 501
Viewed 17 hrs ago
Round trip
Economy
*Fares displayed have been collected within the last 72 hours 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 from Seattle (SEA) to Oslo (OSL) in the next 365 days
Book ahead and find our best prices in 2026 and beyond
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From | To | Fare type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Oslo (OSL) | Round trip / Economy | Nov 15 2026 - Dec 03 2026 | From USD 501 Viewed 17 hrs ago | |
| Seattle (SEA) | Oslo (OSL) | Round trip / Economy | Nov 17 2026 - Dec 06 2026 | From USD 501 Viewed 17 hrs ago | |
| Seattle (SEA) | Oslo (OSL) | Round trip / Economy | Nov 17 2026 - Dec 07 2026 | From USD 501 Viewed 17 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.
Make the most of your trip
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.
Flying with Icelandair: more than just a journey
Generous baggage allowances
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Entertainment for all ages
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