Flight tickets from Seattle to Oslo

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Flight deals from Seattle to Oslo

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

Find the cheapest month to fly from Seattle to Oslo

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

Alternative Seattle to Oslo routes

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

Seattle to Oslo: Flight information

The things to know before you go.
Cheapest flight found₹ 15,835
Cheapest month to flyAugust

Finding cheap flights from Seattle to Oslo: Frequently asked questions

There are 2 airports in Oslo: Oslo Gardermoen and Oslo Torp.
The best price we found for a return flight from Seattle to Oslo is ₹ 35,179. 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 Seattle to Oslo. But we found flights with one or more stops from ₹ 35,179.
As of May 2025, there are no flights flying from Seattle to Oslo.
The cheapest month to fly from Seattle to Oslo is usually May 2025.
If you're flying from Seattle, the cheapest airport near Oslo is Oslo Gardermoen – which is 37.1 km away from the centre of Oslo. We've found flights into this airport from ₹ 35,179.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Oslo on Saturday, 25 October 2025.
No airlines currently offer direct flights between Seattle and Oslo. 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 Oslo 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 Oslo is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 9°C. July is typically the warmest month in Oslo, when it usually averages around 20°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging -9°C. The rainiest month is August.
The cheapest airline that flies to Oslo is Icelandair .

Flying from Seattle to Oslo: what you need to know

  • Begin planning your holiday by considering the departure point for your flight from Seattle to Oslo. Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base Airport (LKE) are the main airports in Seattle.

  • Oslo Airport Gardermoen (OSL) and Torp Sandefjord Airport (TRF) are Oslo's major gateways.

  • Oslo is eight hours ahead of Seattle and observes the UTC+1 timezone.

  • To ensure you board your Seattle to Oslo flight, allow plenty of time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • If you're travelling during a peak month like July, head to the airport even earlier. It's smart to arrive up to four hours before an international flight and two hours ahead of domestic departures. Check-in and security lines are longer during peak periods like Thanksgiving, Christmas and New Year.

How to find the cheapest flights from Seattle to Oslo

  • Don't wait until the last moment. You're more likely to find cheap Seattle to Oslo flights if you book ahead. Airlines often offer some fantastic early bird rates.

  • Finding cheap plane tickets from Seattle to Oslo is more likely if you're flexible with your trip dates. Try using the 'Whole month' search tool to see the best prices across each month and pick up an awesome deal.

  • Locking in a cheap flight from Seattle to Oslo is easy with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Save on your Seattle to Oslo flight with the help of our filters. Choose your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Flying from Seattle

Seattle-Tacoma International Airport (SEA)

  • A stopover is the perfect opportunity to break up your trip — and maybe even visit a new city. When searching for Seattle to Oslo flights departing from Seattle-Tacoma International Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:

    • Keflavik International Airport (KEF)

    • Amsterdam Airport Schiphol (AMS)

    • Frankfurt Airport (FRA)

  • Located around 18 kilometres from the centre of Seattle, SEA can be reached in about 20 minutes by car, depending on traffic. The journey by public transport is roughly 55 minutes.

  • Need a handy hotel close to Seattle-Tacoma International Airport? If you're catching an early flight from Seattle to Oslo, these accommodation options will have you sleeping moments from your check-in counter:

  • Seattle-Tacoma International Airport maintains a strong on-time record, so flight disruptions are less likely. Departures from SEA touch down on schedule 81.27% of the time.

Arriving in Oslo

Oslo Airport Gardermoen (OSL)

  • Oslo Airport Gardermoen (OSL) is approximately 40 kilometres from central Oslo. If you're catching a cab or a ride-share, the drive will take around 40 minutes.

  • Travelling to the centre on public transport will take you roughly 30 minutes.

  • Consider booking a hotel close to OSL if you have a late flight from Seattle to Oslo. Pick one of these accommodation options and skip the long transfer:

  • Pick up an Oslo Airport Gardermoen rental car and explore Oslo and beyond with your own set of wheels. Budget, Hertz and Thrifty are popular providers to choose from here.

  • Secure the lowest price by reserving your vehicle from Oslo Airport Gardermoen around three weeks before your departure date.

Torp Sandefjord Airport (TRF)

  • Once your flight from Seattle to Oslo has arrived, you can make your way to the city centre in around 1 hour 30 minutes by car. Central Oslo is approximately 88 kilometres from Torp Sandefjord Airport (TRF).

  • If you hop on public transport, the ride to the centre takes 2 hours 20 minutes or so.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel near TRF. Here are a few options where you can check in after your flight from Seattle to Oslo:

  • Hertz, Sixt and Budget make picking up a Torp Sandefjord Airport rental car simple. These trusted companies are located in or around the terminal and will have you on the road before long.

  • Avoid paying extra. Securing your ride one week before your arrival at TRF will help you save.

Best time to go to Oslo

  • It's time to plan your travel dates for your flight from Seattle to Oslo. June is the busiest month to travel to Oslo. If you like a more relaxed vibe, go in February.

  • The warmest month in Oslo is July, with temperatures ranging between 8ºC and 25ºC. Lock in your Seattle to Oslo ticket then if that's your idea of comfortable weather.

  • January has average temperatures of between -14ºC and 1ºC. Search for cheap flights from Seattle to Oslo around that time if you want to travel when it's cooler.

More about Oslo

  • When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Oslo right here. Check out these hotels once you've booked your flight from Seattle to Oslo:

  • Viking Ship Museum and The Norwegian National Opera & Ballet are a couple of big attractions to add to your Oslo itinerary. Keep the momentum going by heading to Akershus Fortress.

Explore more of Norway

  • You've done Oslo, now it's time to explore more of Norway. Journey around 306 kilometres west to Bergen to check off its must-visit sights. From Bryggen to Troldhaugen and Fish Market, you've got a jam-packed schedule ahead.

  • If you're eager to discover another well-known destination in Norway, head for Trondheim, roughly 386 kilometres north of Oslo. Kristiansten Fortress, Ringve Museum and Old Town Bridge are the start of reasons to visit.

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