Flights from Seattle to Oslo available from USD 475*
expand_more
1 Passenger
expand_morePromo code
expand_moretoday
today
Our best rates from Seattle to Oslo
location_on
location_on
Fly in the next 3 months: flights from Seattle to Oslo (OSL)
Book an Icelandair flight in August 2026 - starting at USD 475
flight_takeoff
flight_land
USD
Seattle (SEA)to
Oslo (OSL)Nov 12 2026 - Dec 03 2026
From
USD 475
Viewed 24 minutes ago
Round trip
Economy
Seattle (SEA)to
Oslo (OSL)Nov 12 2026 - Dec 05 2026
From
USD 475
Viewed 24 minutes 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.
Book Icelandair flights from Seattle to Oslo (OSL)
Find our lowest fares from Seattle to Oslo - starting at USD 475
flight_takeoff
flight_land
USD
From | To | Fare type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Oslo (OSL) | Round trip / Economy | Apr 21 2027 - Apr 27 2027 | From USD 475 Viewed 24 minutes ago | |
| Seattle (SEA) | Oslo (OSL) | Round trip / Economy | Apr 21 2027 - Apr 29 2027 | From USD 475 Viewed 24 minutes ago | |
| Seattle (SEA) | Oslo (OSL) | Round trip / Economy | Apr 21 2027 - Apr 30 2027 | From USD 475 Viewed 24 minutes 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
Learn more
Entertainment for all ages
Learn more