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Cheap flights from Seattle to Oslo from $211

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Oslo departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
9:30 pm - 5:00 pm
OSL
-
SEA
28h 30m1 stop
$345Icelandair
Fri, Jan 23 - Sun, Feb 8
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
SEA
12h 50m1 stop
$394Icelandair
Wed, Feb 4 - Wed, Feb 11
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
9:30 pm - 5:00 pm
OSL
-
SEA
28h 30m1 stop
$397Icelandair
Thu, Feb 5 - Sun, Feb 8
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
SEA
12h 50m1 stop
$399Icelandair
Thu, Jan 22 - Wed, Jan 28
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
SEA
12h 50m1 stop
$416Icelandair
Tue, Feb 3 - Tue, Feb 10
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
SEA
12h 50m1 stop
$417Icelandair
Fri, Jan 23 - Tue, Jan 27
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
SEA
12h 50m1 stop
$420Icelandair
Thu, Jan 22 - Tue, Jan 27
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
1:10 pm - 6:00 pm
OSL
-
SEA
12h 50m1 stop
$441Icelandair
Sun, Mar 1 - Mon, Mar 9
Icelandair Logo
3:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
1:10 pm - 6:00 pm
OSL
-
SEA
12h 50m1 stop
$442Icelandair
Mon, Mar 9 - Mon, Mar 23
Icelandair Logo
3:35 pm - 11:35 am
SEA
-
OSL
12h 00m1 stop
Icelandair Logo
4:30 pm - 5:55 pm
OSL
-
SEA
34h 25m1 stop
$444Icelandair
Tue, Mar 17 - Sun, Mar 29

Icelandair flights from Seattle to Oslo Gardermoen Airport

Our best Icelandair deals on Seattle to Oslo Gardermoen Airport flight tickets
Icelandair
Jan 23
SEA2:35 pmSeattle/Tacoma Intl
12h 00m
1 stop
OSL11:35 amOslo Gardermoen
Feb 8
OSL9:30 pmOslo Gardermoen
28h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$345
Icelandair
Feb 4
SEA2:35 pmSeattle/Tacoma Intl
12h 00m
1 stop
OSL11:35 amOslo Gardermoen
Feb 11
OSL1:10 pmOslo Gardermoen
12h 50m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$394
Icelandair
Feb 5
SEA2:35 pmSeattle/Tacoma Intl
12h 00m
1 stop
OSL11:35 amOslo Gardermoen
Feb 8
OSL9:30 pmOslo Gardermoen
28h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$397

British Airways flights from Seattle to Oslo Gardermoen Airport

Our best British Airways deals on Seattle to Oslo Gardermoen Airport flight tickets
British Airways
Apr 7
SEA11:10 pmSeattle/Tacoma Intl
35h 05m
2 stops
OSL7:15 pmOslo Gardermoen
Apr 14
OSL8:30 pmOslo Gardermoen
36h 09m
2 stops
SEA11:39 pmSeattle/Tacoma Intl
$448
British Airways
Feb 4
SEA5:45 pmSeattle/Tacoma Intl
32h 10m
2 stops
OSL10:55 amOslo Gardermoen
Feb 18
OSL6:55 amOslo Gardermoen
40h 41m
2 stops
SEA2:36 pmSeattle/Tacoma Intl
$449
British Airways
Feb 4
SEA5:45 pmSeattle/Tacoma Intl
32h 10m
2 stops
OSL10:55 amOslo Gardermoen
Feb 10
OSL11:45 amOslo Gardermoen
14h 10m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$456

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Oslo Gardermoen Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Seattle to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Fri 1/23

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Sun 2/8

9:30 pm-5:00 pm

1 stop28h 30m

$345

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 2/4

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Wed 2/11

1:10 pm-5:00 pm

1 stop12h 50m

$394

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Thu 2/5

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Sun 2/8

9:30 pm-5:00 pm

1 stop28h 30m

$397

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Thu 1/22

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Wed 1/28

1:10 pm-5:00 pm

1 stop12h 50m

$399

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Tue 2/3

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Tue 2/10

1:10 pm-5:00 pm

1 stop12h 50m

$416

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Fri 1/23

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Tue 1/27

1:10 pm-5:00 pm

1 stop12h 50m

$417

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Thu 1/22

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Tue 1/27

1:10 pm-5:00 pm

1 stop12h 50m

$420

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 3/1

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Mon 3/9

1:10 pm-6:00 pm

1 stop12h 50m

$441

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Mon 3/9

3:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Mon 3/23

1:10 pm-6:00 pm

1 stop12h 50m

$442

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Tue 3/17

3:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Sun 3/29

4:30 pm-5:55 pm

1 stop34h 25m

$444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Oslo from

How to get the cheapest flight ticket from Seattle to Oslo Gardermoen Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Oslo Gardermoen Airport?

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

The cheapest month to fly to Oslo Gardermoen Airport from Seattle is in January. Flight prices, which tend to average around $423, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Oslo Gardermoen Airport from Seattle during November instead. Flights to Oslo Gardermoen Airport in November, while not as cheap as those in January, still average around $482.

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

You are more likely to see cheaper flights to Oslo Gardermoen Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $593 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from Seattle for as low as $533 on momondo.

How have Seattle to Oslo Gardermoen Airport flight prices changed over time?

When to book flights from Seattle to Oslo Gardermoen Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Oslo Gardermoen Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Oslo Gardermoen Airport (SEA to OSL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Oslo Gardermoen Airport

Fastest flight time

12h 00m

Direct flights

None
The fastest flight from Seattle to Oslo Gardermoen Airport takes 12h 00m
There are no direct flights from Seattle to Oslo Gardermoen Airport. There are no popular flight routes from Seattle to Oslo Gardermoen Airport.
Search flight deals

  • How far is Seattle/Tacoma Intl to Oslo Gardermoen by plane?

    Seattle/Tacoma Intl and Oslo Gardermoen are 4540.7 mi apart from one another. 12h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport.

  • What documentation or ID do you need to fly to Oslo Gardermoen Airport?

    The travel and health documents you'll need for your trip to Oslo Gardermoen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oslo Gardermoen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Oslo Gardermoen Airport?

Best airlines flying from Seattle to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from Seattle to Oslo Gardermoen Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $354Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
IcelandairPriceFrom $403Free CancellationRating
7.1
593 reviews
Search Icelandair flights
DeltaPriceFrom $478Free CancellationRating
7.9
8,027 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $492Free CancellationRating
7.3
1,635 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $510Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights
United AirlinesPriceFrom $517Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
KLMPriceFrom $524Free CancellationRating
7.7
1,434 reviews
Search KLM flights
LufthansaPriceFrom $551Free CancellationRating
6.8
7,694 reviews
Search Lufthansa flights
Air FrancePriceFrom $552Free CancellationRating
7.4
1,519 reviews
Search Air France flights
FinnairPriceFrom $569Free CancellationRating
7.6
1,346 reviews
Search Finnair flights

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Gardermoen
Fredrikstad
Lillehammer
Drammen

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Oslo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from Seattle.

Can I find flights from Seattle to Oslo with flexible booking policies on momondo?

Flights from Seattle to Oslo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Oslo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Oslo from Seattle.

I’m not ready to book a flight from Seattle to Oslo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Oslo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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