OSL - SEA

£221 Find Cheap Flights from Oslo to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Oslo to Seattle departing on 19/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oslo to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oslo to Seattle, as well as popular online travel agencies
Travellers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£343
Overall average: £376
Icelandair
Wed 22/4Sun 26/4
OSL - SEA • 1 stop
Cheapest one-way flight
£221
Typical prices: £336-£465
Multiple Airlines
Tue 19/5
OSL - SEA • 1 stop
Direct flights
Not available
There are currently no direct flights between Oslo and Seattle. You’ll need at least 1 connection.
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Top stopover airports
Munich (MUC)
Cheapest • Avg £382 (return)
Reykjavik (KEF)
Shortest trip • 13h 00m (one-way)
Insights
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When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 25% compared to booking last minute.
Insights
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When to travel
May
Cheapest • 20% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Oslo to Seattle (OSL-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Oslo to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Oslo to Seattle

Wed, 22 Apr - Sun, 26 Apr
Icelandair Logo
13:50 - 17:55
OSL
-
SEA
13h 05m
1 stop
Icelandair Logo
15:40 - 12:35
SEA
-
OSL
11h 55m
1 stop
£343Icelandair
Wed, 22 Apr - Sun, 26 Apr
Icelandair Logo
13:50 - 17:55
OSL
-
SEA
13h 05m
1 stop
Icelandair Logo
19:00 - 12:35
SEA
-
OSL
32h 35m
1 stop
£345Icelandair
Thu, 2 Apr - Thu, 16 Apr
Multiple Airlines Logo
08:35 - 23:13
OSL
-
SEA
23h 38m
2 stops
Multiple Airlines Logo
13:35 - 23:50
SEA
-
OSL
25h 15m
1 stop
£361Multiple Airlines
Fri, 10 Apr - Fri, 17 Apr
KLM Logo
06:30 - 11:45
OSL
-
SEA
14h 15m
1 stop
KLM Logo
13:45 - 16:20
SEA
-
OSL
17h 35m
1 stop
£370KLM
Thu, 2 Apr - Thu, 16 Apr
Delta Logo
11:50 - 22:10
OSL
-
SEA
19h 20m
2 stops
Delta Logo
09:15 - 11:45
SEA
-
OSL
17h 30m
2 stops
£370Delta
Fri, 13 Mar - Tue, 17 Mar
Delta Logo
06:30 - 12:35
OSL
-
SEA
14h 05m
1 stop
Delta Logo
07:20 - 08:40
SEA
-
OSL
17h 20m
2 stops
£371Delta
Thu, 9 Apr - Thu, 23 Apr
Multiple Airlines Logo
08:35 - 00:36
OSL
-
SEA
25h 01m
2 stops
Multiple Airlines Logo
13:19 - 19:45
SEA
-
OSL
21h 26m
2 stops
£372Multiple Airlines
Thu, 9 Apr - Thu, 23 Apr
Multiple Airlines Logo
12:50 - 00:36
OSL
-
SEA
20h 46m
2 stops
Multiple Airlines Logo
13:19 - 19:45
SEA
-
OSL
21h 26m
2 stops
£373Multiple Airlines
Fri, 13 Mar - Tue, 17 Mar
Delta Logo
06:30 - 18:38
OSL
-
SEA
20h 08m
2 stops
Delta Logo
06:00 - 08:40
SEA
-
OSL
18h 40m
2 stops
£376Delta
Thu, 11 Jun - Tue, 23 Jun
Scandinavian Airlines Logo
19:20 - 13:45
OSL
-
SEA
27h 25m
1 stop
Scandinavian Airlines Logo
15:55 - 14:05
SEA
-
OSL
13h 10m
1 stop
£396Scandinavian Airlines
Booking Insights

KAYAK’s insights & trends for Oslo to Seattle flights

Get data-powered insights and trends into flights from Oslo to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Oslo Gardermoen Airport to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Oslo Gardermoen Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Oslo Gardermoen Airport to Seattle is May, where tickets cost £362 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is £554 and £541 respectively.

How far in advance should I book a flight from Oslo Gardermoen Airport to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Oslo Gardermoen Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Oslo Gardermoen Airport to Seattle, you should book around 2 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Find deals

Good to know - Cheap tickets from Oslo to Seattle

Low seasonJanuary
Cheapest flight£221
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (20% more expensive on average)
Flight from Oslo to Seattle

When to book flights from Oslo to Seattle

Are your dates flexible? Find out the best times to travel from Oslo to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Oslo to Seattle flights

  • What is the cheapest flight from Oslo Gardermoen Airport to Seattle?

    In the last 3 days, the lowest price for a flight from Oslo Gardermoen Airport to Seattle was £221 for a one-way ticket and £343 for a return.

  • Which airports will I be using when flying from Oslo to Seattle?

    When flying out of Oslo you will be using Oslo Gardermoen. You will be landing at Seattle, also known as Seattle/Tacoma Intl.

  • Which aircraft models fly most regularly from Oslo to Seattle?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Oslo to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oslo to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oslo to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Oslo is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Oslo to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Oslo with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oslo to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Oslo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Oslo to Seattle

Information on your arrival and departure airports

Oslo (OSL)
Seattle (SEA)