Cheap Flights from Oslo to Seattle from $796

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Flight deals from Oslo to Seattle

Looking for a cheap last-minute deal or the best return flight from Oslo to Seattle? Find the lowest prices on one-way and return tickets right here.

Seattle.$796 per passenger.Departing Sun, 25 Jan, returning Sat, 7 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Oslo Gardermoen on Sun, 25 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sat, 7 Feb, arriving in Oslo Gardermoen.Price includes taxes and charges.From $796, select.

Seattle.$807 per passenger.Departing Mon, 26 Jan, returning Sat, 31 Jan.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Oslo Gardermoen on Mon, 26 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sat, 31 Jan, arriving in Oslo Gardermoen.Price includes taxes and charges.From $807, select.

Seattle.$839 per passenger.Departing Tue, 1 Sep, returning Tue, 8 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Oslo Gardermoen on Tue, 1 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Tue, 8 Sep, arriving in Oslo Gardermoen.Price includes taxes and charges.From $839, select.

Seattle.$839 per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Oslo Gardermoen on Fri, 25 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Fri, 2 Oct, arriving in Oslo Gardermoen.Price includes taxes and charges.From $839, select.

Seattle.$839 per passenger.Departing Fri, 2 Oct, returning Fri, 9 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Oslo Gardermoen on Fri, 2 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Fri, 9 Oct, arriving in Oslo Gardermoen.Price includes taxes and charges.From $839, select.

Seattle.$839 per passenger.Departing Sat, 23 May, returning Sat, 30 May.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Oslo Gardermoen on Sat, 23 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Sat, 30 May, arriving in Oslo Gardermoen.Price includes taxes and charges.From $839, select.

Seattle.$839 per passenger.Departing Tue, 25 Aug, returning Tue, 1 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Oslo Gardermoen on Tue, 25 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Tue, 1 Sep, arriving in Oslo Gardermoen.Price includes taxes and charges.From $839, select.

Seattle.$839 per passenger.Departing Tue, 10 Mar, returning Wed, 18 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Oslo Gardermoen on Tue, 10 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 18 Mar, arriving in Oslo Gardermoen.Price includes taxes and charges.From $839, select.

Find the cheapest month to fly from Oslo to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Oslo to Seattle flights are currently cheapest in January.

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Alternative Oslo to Seattle routes

Looking for the cheapest, fastest or easiest route from Oslo to Seattle? You could fly into the following airports instead.

Oslo to Seattle: Flight information

The things to know before you go.

Cheapest flight found	$796
Cheapest month to fly	January

Finding cheap flights from Oslo to Seattle: Frequently asked questions

How many airports are there in Seattle?

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.

How much are return flights from Oslo to Seattle?

The best price we found for a return flight from Oslo to Seattle is $796. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Oslo to Seattle?

Currently, there are no airlines that fly direct from Oslo to Seattle. But we found flights with one or more stops from $796.

How many flights are there a week from Oslo to Seattle?

As of December 2025, there are no flights flying from Oslo to Seattle.

When is the cheapest time to fly from Oslo to Seattle?

The cheapest month to fly from Oslo to Seattle is usually January.

Which is the cheapest airport to fly into in Seattle?

If you're flying from Oslo, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from $796.

Which upcoming date is cheapest to fly from Oslo to Seattle on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Oslo to Seattle on Sunday, 25 January 2026.

Can I get a direct flight from Oslo to Seattle?

No airlines currently offer direct flights between Oslo and Seattle. Most routes have one or more stops.

How can I get the best flight deal from Oslo to Seattle?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Seattle?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Seattle?

In December, the average temperature is usually around 3°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.

Which is the cheapest airline to fly from Oslo to Seattle with?

The cheapest airline that flies to Seattle is Icelandair .

Flying from Oslo to Seattle: what you need to know

Oslo is home to a couple of airports that could be the jumping-off point for your adventure. Explore your options for booking a flight from Oslo to Seattle flying out of Oslo Airport Gardermoen (OSL) or Torp Sandefjord Airport (TRF).
When planning your arrival in Seattle, Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base Airport (LKE) are the chief entry points.
The timezone in Seattle is UTC-7, which is eight hours behind Oslo.
To ensure you make it on your Oslo to Seattle flight, leave enough time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.
You can expect longer lines during popular months such as June. Arriving up to four hours in advance for international flights and two hours for domestic departures is a good idea.

How to find the cheapest flights from Oslo to Seattle

Booking ahead of time is often the key to finding a cheap Oslo to Seattle flight. Fares tend to rise as demand increases, so the closer you get to departure, the more expensive your ticket may be.
The 'Whole month' tool shows you the cheapest plane tickets from Oslo to Seattle throughout the month. It's an easy way to snap up a bargain if your plans are flexible.
Never miss a deal on cheap flights from Oslo to Seattle by creating a Price Alert. You'll receive an email or notification through the app when a new discounted fare appears.
Choose your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your Oslo to Seattle flight results by 'Best,' 'Cheapest' or 'Fastest.'

Flying from Oslo

Oslo Airport Gardermoen (OSL)

We make it easy to book an Oslo to Seattle flight with a stopover. To see your options leaving from Oslo Airport Gardermoen, uncheck 'Direct flights only.' Next, select a flight offering a stop long enough to see the sights of the city of your choice. Some popular stopovers include:
- London Heathrow Airport (LHR)
- Helsinki-Vantaa Airport (HEL)
- Keflavik International Airport (KEF)
OSL is about 40 kilometres from central Oslo. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 40 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 30 minutes.
After a relaxed start to your journey? Stay near Oslo Airport Gardermoen. Whether you're catching an early flight from Oslo to Seattle or want to avoid feeling rushed, these hotels have you covered:
71.98% of flights leaving from Oslo Airport Gardermoen make it to their destination on schedule.

Torp Sandefjord Airport (TRF)

Using public transport, you can travel from central Oslo to TRF in around 2 hours 20 minutes. The airport is roughly 88 kilometres away. Driving will take you about 1 hour 30 minutes.
It's your holiday, so why not extend it with an additional night away? Think about checking in to one of these hotels near Torp Sandefjord Airport the day before your flight from Oslo to Seattle:
As far as flight punctuality goes, Torp Sandefjord Airport has an on-time arrival rate of 67%.

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

Seattle-Tacoma International Airport (SEA) is approximately 19 kilometres from central Seattle. If you're catching a cab or a ride-share, the drive takes around 20 minutes.
When travelling by public transport, expect a journey time of roughly 55 minutes.
Book a hotel close to SEA if you're coming in on a late flight from Oslo to Seattle. Pick one of these accommodation options and avoid the hassle of a long transfer:
Go wherever you want, whenever you want with a Seattle-Tacoma International Airport rental car. Book your wheels from Thrifty, Europcar or Budget and find adventure across Seattle and beyond.
For the lowest price, reserve your vehicle from Seattle-Tacoma International Airport around one week in advance of your Oslo to Seattle flight.

Lake Union Sea Plane Base Airport (LKE)

Lake Union Sea Plane Base Airport (LKE) is roughly 3 kilometres from the centre of Seattle. Following your flight from Oslo to Seattle, it takes approximately 10 minutes to reach the heart of the city in a ride-share or cab.
The journey will take roughly 25 minutes on public transport.
You'll find some comfortable places to lay your head close to LKE. Kick back after your Oslo to Seattle flight at any of these perfectly located options:

Best time to go to Seattle

May is the quietest month for flights from Oslo to Seattle, while July is the busiest. Work out the best time to go to Seattle based on whether you want a bustling atmosphere or a more laid-back vibe.
The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Book your Oslo to Seattle ticket then if this is the type of weather you enjoy.
If you want cooler conditions, look for a cheap flight from Oslo to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

Start your Seattle trip off on the right foot by choosing the ideal place to stay. After booking your flight from Oslo to Seattle, check out our range of accommodation options including:
Greyhound: Bus Station and LMN Architects are just two of the big attractions to put on your Seattle travel itinerary. Keep the adventure rolling by checking out Boeing Radiation Effects Lab.

Explore more of United States

You've visited Seattle, now it's time to explore more of United States. Travel around 241 kilometres south to Portland to tick off its leading attractions. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, your itinerary will be busy.
If there's time to check out another corner of United States, head for Spokane, about 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are key reasons to visit.