CA $428 Cheap Flights from Oslo (OSL) to Seattle (SEA)

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

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

Prices were available within the past 7 days and start at CA $428 for one-way flights and CA $636 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Icelandair
American Airlines
Lufthansa
American Airlines
Lufthansa
Scandinavian Airlines
Lufthansa
Lufthansa
Brussels Airlines

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Find the cheapest month to fly from Oslo (OSL) to Seattle (SEA)

October is typically the cheapest month to fly

From CA $516 - CA $1,152 per traveller.

Frequently asked questions

How much is a flight from OSL to Sea-Tac Airport?
If you're travelling between Gardermoen Airport (OSL) and Sea-Tac Airport, round-trip journeys start from CA $636. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Gardermoen Airport (OSL) to Seattle - Tacoma Intl. Airport (SEA)?
Every air carrier has a different set of terms and conditions. If you decide to cancel your vacation, head to our Customer Service Portal.
How do I find cheap flights from Gardermoen Airport (OSL) to Sea-Tac Airport that have flexible change policies?
Many carriers will allow you to reschedule your flight without charging a fee. All you pay is the cost difference between the two flights. When looking for Gardermoen Airport (OSL) to Sea-Tac Airport flights, you'll see a "No change fees" box for you to pick.
How many hours is the flight from Oslo Gardermoen Airport to Sea-Tac Airport?
To comfortably while away the 14 hours and 48 minutes flight time between Oslo Gardermoen Airport and Sea-Tac Airport, it's smart to have a solid plan. A tablet filled with your favourite playlists is a great start.
How far is the flight from OSL to Seattle - Tacoma Intl. Airport (SEA)?
The distance is around 7,300 kilometres. Neck pillow? Check. Toiletries? Check. We recommend you pack all the travel comforts for this long-haul Ullensaker to SeaTac flight.
Which airlines fly direct from OSL to Seattle - Tacoma Intl. Airport (SEA)?
Flying nonstop between Oslo Gardermoen Airport and Seattle - Tacoma Intl. Airport (SEA) isn't possible at the moment. However, you'll still be able to book a flight to SeaTac with at least one stop.
Are Gardermoen Airport (OSL) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to score an amazing last-minute deal from Oslo Gardermoen Airport to SEA, but it's also possible to miss out altogether! As many airlines publish prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares carrier prices and updates flight deals often, so you can be certain you're always seeing the latest offers.

Travel information

Origin airport
Gardermoen
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Icelandair, Lufthansa, Scandinavian Airlines, Virgin Atlantic
Roundtrip price
CA $636
Distance
7285 km

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