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

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

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

November is typically the cheapest month to fly

From AU$640 - AU$1,779 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Oslo route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Gardermoen
Distance
7285 km

Your quick guide to flights from Seattle to Oslo

Pick up great flights from Seattle to Oslo

With Expedia, you have your pick of flights a day with airlines covering flights from Seattle to Oslo. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Oslo that take around hours.

Find cheap flights from Seattle to Oslo

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Oslo around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Oslo is normally in .

Reasons to book your flight from Seattle to Oslo with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Oslo across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Oslo right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from SEA to Oslo Gardermoen Airport?
Start packing your suitcase, because round-trip flights between SEA and Oslo Gardermoen Airport start from . That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Gardermoen Airport (OSL)?
We understand that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Sea-Tac Airport to OSL 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 SEA to Gardermoen Airport (OSL) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to OSL?
SeaTac to Ullensaker is around 7 300 kilometres, so be prepared to spend a while in the air. Make sure you pack all the essentials, from your headphones to your hoodie. Toss in some snacks to nibble on throughout your journey too.
Which airlines fly direct from SEA to OSL?
Flying directly between Seattle - Tacoma Intl. Airport (SEA) and Gardermoen Airport (OSL) isn't possible at this time. However, you'll still be able to book a flight to Ullensaker with at least one stop.
Are SEA to OSL flight tickets cheaper when they're purchased at the last minute?
Booking last minute from SEA to Gardermoen Airport (OSL) can be hit-or-miss. You may be able to score a great bargain, but you could also completely miss out! If you'd rather play it safe and start your travel planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines publish their prices so far in advance. Our top tip? Check back often as updates are made frequently.

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