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

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

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Frequently asked questions

How much is a flight from Gardermoen Airport (OSL) to SEA?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between Gardermoen Airport (OSL) and Sea-Tac Airport was . Great fares don't last long, 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 OSL to SEA?
This varies between airlines, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where there are simple instructions on how to cancel online.
How do I find cheap flights from Gardermoen Airport (OSL) to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Gardermoen Airport (OSL) to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Oslo Gardermoen Airport to Sea-Tac Airport?
You'll have 7,300 kilometres to cover on the long-haul Ullensaker to SeaTac route. Wear layers of comfy clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from Gardermoen Airport (OSL) to Seattle - Tacoma Intl. Airport (SEA)?
You won't find any airlines flying directly between OSL and Sea-Tac Airport, so be prepared to make at least one stop on your journey. A layover can be a good way to break up a trip!
Are Gardermoen Airport (OSL) to SEA flight tickets cheaper when they're purchased at the last minute?
It is possible to find an amazing last-minute deal from Oslo Gardermoen Airport to Sea-Tac Airport, but it's also possible to miss out altogether! As many airlines release prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals often, so you can be certain you're always getting the latest offers.

Travel information

Origin airport
Gardermoen
Destination airport
Seattle - Tacoma Intl.
Distance
7285 km
*Available to Expedia members.