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Cheap flight tickets from Oslo to Seattle

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Compare Oslo to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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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.RM1,751 per passenger.Departing Sun, 1 Jun, returning Sun, 8 Jun.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Oslo Gardermoen on Sun, 1 Jun, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Sun, 8 Jun, arriving in Oslo Gardermoen.Price includes taxes and charges.From RM1,751, select.
Seattle.RM1,751 per passenger.Departing Sat, 24 May, returning Sat, 31 May.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Oslo Gardermoen on Sat, 24 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Sat, 31 May, arriving in Oslo Gardermoen.Price includes taxes and charges.From RM1,751, select.
Seattle.RM1,751 per passenger.Departing Sun, 25 May, returning Sun, 1 Jun.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Oslo Gardermoen on Sun, 25 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Sun, 1 Jun, arriving in Oslo Gardermoen.Price includes taxes and charges.From RM1,751, select.
Seattle.RM1,865 per passenger.Departing Mon, 14 Apr, returning Mon, 28 Apr.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Oslo Gardermoen on Mon, 14 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 28 Apr, arriving in Oslo Gardermoen.Price includes taxes and charges.From RM1,865, select.
Seattle.RM1,877 per passenger.Departing Fri, 14 Mar, returning Sun, 30 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Oslo Gardermoen on Fri, 14 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Sun, 30 Mar, arriving in Oslo Gardermoen.Price includes taxes and charges.From RM1,877, select.
Seattle.RM1,953 per passenger.Departing Mon, 7 Apr, returning Mon, 26 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Oslo Gardermoen on Mon, 7 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 26 May, arriving in Oslo Gardermoen.Price includes taxes and charges.From RM1,953, select.
Seattle.RM1,968 per passenger.Departing Mon, 22 Sep, returning Mon, 29 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Oslo Gardermoen on Mon, 22 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Mon, 29 Sep, arriving in Oslo Gardermoen.Price includes taxes and charges.From RM1,968, select.
Seattle.RM2,182 per passenger.Departing Wed, 20 Aug, returning Wed, 3 Sep.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Oslo Gardermoen on Wed, 20 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Wed, 3 Sep, arriving in Oslo Gardermoen.Price includes taxes and charges.From RM2,182, 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 May.
Mar
from RM1,883
Apr
from RM1,871
May
from RM1,756
Jun
from RM1,756
Jul
from RM2,669
Aug
from RM2,357
Sep
from RM1,974
Oct
from RM2,243
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
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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 foundRM1,751
Cheapest month to flyMay

Finding cheap flights from Oslo to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Oslo to Seattle is RM1,756. 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.
Currently, there are no airlines that fly direct from Oslo to Seattle. But we found flights with one or more stops from RM1,751.
As of March 2025, there are no flights flying from Oslo to Seattle.
The cheapest month to fly from Oslo to Seattle is usually March 2025.
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 RM1,756.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Oslo to Seattle on Saturday, 24 May 2025.
No airlines currently offer direct flights between Oslo and Seattle. Most routes have one or more stops.
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.
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.
In March, the average temperature is usually around 6°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.
The cheapest airline that flies to Seattle is Scandinavian Airlines .

Flying from Oslo to Seattle: what you need to know

  • Start your travel planning by considering where you'll board your flight from Oslo to Seattle. Oslo Airport Gardermoen (OSL) and Torp Sandefjord Airport (TRF) are Oslo's main airports.

  • Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base (LKE) are Seattle's chief entry points.

  • To ensure you catch your flight from Oslo to Seattle, leave plenty of time to navigate the airport and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • Taking off during a peak time like school or public holidays? Expect longer queues at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • To enter United States for tourism purposes, you will need an ETA if you have a passport from Norway. However, visa rules can change and you may need additional documents depending on the duration and purpose of your visit. Always check the most recent guidelines before reserving your cheap flight from Oslo to Seattle.

Flying from Oslo

Oslo Airport Gardermoen Airport (OSL)

  • Consider adding a stopover to potentially save money on your flight from Oslo to Seattle. Simply deselect 'Direct flights only' when browsing departures from Oslo Airport Gardermoen Airport. Take a break from travelling at one of these airports:

    • Helsinki-Vantaa Airport (HEL)

    • Keflavik International Airport (KEF)

    • London Heathrow Airport (LHR)

  • OSL is around 48 kilometres from central Oslo. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 38 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be approximately 30 minutes.

  • Catching an early flight from Oslo to Seattle? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these hotels near Oslo Airport Gardermoen Airport:

Torp Sandefjord Airport (TRF)

  • Visit friends or family or just take a moment to freshen up with a stopover. If you'd like to split up your flight from Oslo to Seattle, check out these options when taking off from Oslo Airport Gardermoen Airport:

    • Helsinki-Vantaa Airport (HEL)

    • Keflavik International Airport (KEF)

    • London Heathrow Airport (LHR)

  • TRF is around 121 kilometres from central Oslo. It'll take 1 hour and 28 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 2 hours and 21 minutes.

  • Want to treat yourself to an extra night away before catching your flight from Oslo to Seattle? Check in to a hotel near Torp Sandefjord Airport before your trip officially begins. Stay at one of these accommodation options:

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

Lake Union Sea Plane Base Airport (LKE)

How to find the cheapest flights from Oslo to Seattle

  • Right now, RM1,971 is the best price we've found for a one-way ticket from Oslo to Seattle. The cheapest price for a return flight is RM1,756. Keep in mind fares can change due to availability at the time of booking.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from Oslo to Seattle if you book early. Airlines often offer some excellent early bird rates.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll give you the cheapest price in each month when looking for a ticket from Oslo to Seattle.

  • Snapping up a cheap ticket from Oslo to Seattle couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when the price has dropped.

  • Use filters to tailor your flights from Oslo to Seattle. Simply select your preferred departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to see the best deals.

Best time to go to Seattle

  • It's time to choose your trip dates for your flight from Oslo to Seattle. July is the most popular month to travel to Seattle. If you prefer a more relaxed vibe, go in May.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Lock in your flights from Oslo to Seattle in this month if you enjoy this type of weather.

  • Search for cheap tickets from Oslo to Seattle in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC on average.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Oslo to Seattle, explore our selection of hotels including:

  • There are so many things to discover in this city it can be difficult to know where to start. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are leading attractions which should feature on any well-planned Seattle itinerary.

Complete your Seattle trip with a car rental

  • Browse our range of car rentals once you've found your hotel and cheap flight from Oslo to Seattle. Whether you're looking for an SUV, a compact ride or something more luxurious, you can easily compare companies in one go to find the perfect deal.

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Plan the rest of your trip from Oslo to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.