Question 1

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Oslo Gardermoen Airport to Seattle was £233 for a one-way ticket and £295 for a return. <a href='/flight-routes/Oslo-Gardermoen-OSL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

When flying out of Oslo you will be using Oslo Gardermoen. You will be landing at Seattle, also known as Seattle/Tacoma Intl. <a href='/flight-routes/Oslo-Gardermoen-OSL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 3

Which aircraft models fly most regularly from Oslo to Seattle?

Accepted Answer

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

Question 4

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

Accepted Answer

The cheapest month for flights from Oslo Gardermoen Airport to Seattle is May, where tickets cost £360 (return) on average. On the other hand, the most expensive months are March and December, where the average cost of round-trip tickets is £566 and £557 respectively.

Question 5

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

Accepted Answer

The cheapest month for flights from Oslo Gardermoen Airport to Seattle is May, where tickets cost £360 (return) on average. On the other hand, the most expensive months are March and December, where the average cost of round-trip tickets is £566 and £557 respectively.

Question 6

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

Accepted Answer

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. <a href='/flight-routes/Oslo-Gardermoen-OSL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 7

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

Accepted Answer

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. <a href='/flight-routes/Oslo-Gardermoen-OSL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 8

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

Accepted Answer

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. <a href='/flight-routes/Oslo-Gardermoen-OSL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 9

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

Accepted Answer

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. <a href='/flight-routes/Oslo-Gardermoen-OSL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 10

What is the cheapest stopover airport when flying from Oslo to Seattle?

Accepted Answer

Flights via London (LHR) offer the most affordable fares, with an average price of £498 for a return.

Question 11

What is the most popular stopover airport when flying from Oslo to Seattle?

Accepted Answer

London (LHR) is the top choice – 75% of KAYAK users who clicked on one-stop flights from Oslo to Seattle picked an itinerary connecting there.

Question 12

Which stopover airport has the quickest connection when flying from Oslo to Seattle?

Accepted Answer

If you prefer a quick connection, Reykjavik (KEF) often has the shortest stopovers from Oslo to Seattle, with an average time of 1h 50m.

Question 13

Which stopover airport offers the shortest total travel time from Oslo to Seattle?

Accepted Answer

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 13h 00m.

Question 14

Which airlines provide the cheapest flights from Oslo to Seattle?

Accepted Answer

In the past 3 days, the cheapest return tickets from Oslo to Seattle were found on Icelandair (£295) and British Airways (£372).

Question 15

Which airlines provide the cheapest flights from Oslo to Seattle?

Accepted Answer

In the past 3 days, the cheapest return tickets from Oslo to Seattle were found on Icelandair (£295) and British Airways (£372).

Question 16

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

Accepted Answer

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 23% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Question 17

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

Accepted Answer

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 23% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Question 18

How much is a return flight from Oslo Gardermoen Airport to Seattle?

Accepted Answer

Flight prices are below average for this route right now.Flights to Seattle from Oslo Gardermoen Airport usually cost between £357 and £518 in April.
The lowest price found in the past 3 days was £295 on Icelandair (22 Apr-26 Apr).

Low season	January
High season	July
Cheapest flight	£233

OSL - SEA

£233 Find Cheap Flights from Oslo to Seattle

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

Everything you should know

Cheap Flights from Oslo to Seattle (OSL-SEA)

Recent return flight deals from Oslo to Seattle

Recent one-way flight deals from Oslo to Seattle

Recent last minute flight deals from Oslo to Seattle

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.

How much is a return flight from Oslo Gardermoen Airport to Seattle?

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

The cheapest month for flights from Oslo Gardermoen Airport to Seattle is May, where tickets cost £360 (return) on average. On the other hand, the most expensive months are March and December, where the average cost of round-trip tickets is £566 and £557 respectively.

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

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 23% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Which airlines provide the cheapest flights from Oslo to Seattle?

In the past 3 days, the cheapest return tickets from Oslo to Seattle were found on Icelandair (£295) and British Airways (£372).

What is the most popular stopover airport when flying from Oslo to Seattle?

London (LHR) is the top choice – 75% of KAYAK users who clicked on one-stop flights from Oslo to Seattle picked an itinerary connecting there.

What is the cheapest stopover airport when flying from Oslo to Seattle?

Flights via London (LHR) offer the most affordable fares, with an average price of £498 for a return.

Which stopover airport offers the shortest total travel time from Oslo to Seattle?

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 13h 00m.

Which stopover airport has the quickest connection when flying from Oslo to Seattle?

If you prefer a quick connection, Reykjavik (KEF) often has the shortest stopovers from Oslo to Seattle, with an average time of 1h 50m.

Good to know - Cheap tickets from Oslo to Seattle

When to book flights from Oslo to Seattle

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 £233 for a one-way ticket and £295 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

Cabin class types available on flights to Seattle

Complete your trip to Seattle with a hotel stay or car hire

Find direct flights to and from Oslo and Seattle

Flights to other popular destinations

Flights from domestic origins to Seattle

Choose which airport to fly into in Oslo