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CA $291 Cheap Flights from Seattle (SEA) to Oslo (OSL)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Gardermoen Airport (OSL)

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Cheap flights from Seattle (SEA) to Oslo (OSL)

Prices were available within the past 7 days and start at CA $291 for one-way flights and CA $670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Icelandair
Icelandair
Icelandair
United
United
Lufthansa
Swiss International Air Lines
Air Canada
Delta

Alternative airports near Oslo

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

How much is a flight from SEA to OSL?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between Sea-Tac Airport and Oslo Gardermoen Airport was CA $670. Fares this cheap don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Gardermoen Airport (OSL)?
We understand that life can throw the odd curveball, so we've made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to OSL that have flexible change policies?
Flights from SEA to Oslo Gardermoen Airport with flexible change policies are available from several airlines. Simply use our "No change fees" filter while searching. You'll only need to cover the cost difference between flights, with no extra fees to worry about.
How many hours is the flight from Sea-Tac Airport to OSL?
To comfortably while away the 14 hours and 5 minutes flight time between Sea-Tac Airport and Gardermoen Airport (OSL), it's smart to have a plan. A smartphone loaded up with your favourite playlists is an excellent start.
How far is the flight from Sea-Tac Airport to Gardermoen Airport (OSL)?
With around 7,300 kilometres separating SEA and Oslo Gardermoen Airport, your flight will be a long one. Pack wisely to make your trip comfortable. Little things like warm clothing and a cozy travel pillow can make a huge difference.
Which airlines fly direct from SEA to Gardermoen Airport (OSL)?
Unfortunately, there are no airlines that fly directly between Sea-Tac Airport and Gardermoen Airport (OSL). You'll have to book a flight with one or more stops.
Are Sea-Tac Airport to Gardermoen Airport (OSL) flight tickets cheaper when they're purchased at the last minute?
Airline tickets from SEA to OSL are available up to a year before departure on Expedia. And although you may occasionally pick up fantastic last-minute deals, it's never something you can count on. Also, booking your flights well in advance means you'll have more choices — and you can avoid getting trapped in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so check back often for all the latest specials.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Gardermoen
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
CA $669
Distance
7285 km

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