What airlines fly to Seattle?

Icelandair, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Seattle from Oslo according to our data. Icelandair is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Oslo to Seattle/Tacoma Intl?

American Airlines and Icelandair are the most popular carriers operating from Oslo to Seattle/Tacoma Intl

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

Prices for flights from Oslo to Seattle/Tacoma Intl Airport are updated daily.

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

As of April 2026, there are 3 operators available to choose from for flights from Oslo to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Oslo to Seattle/Tacoma Intl 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 Oslo to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$399 Cheap Flights from Oslo to Seattle in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $706 to $482. The lowest price recently found on this route was $493.

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Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oslo to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 pm - 8:40 pm

OSL

SEA

13h 10m

1 stop

7:00 pm - 3:25 pm

SEA

OSL

11h 25m

1 stop

$493Icelandair

Tue, May 26 - Tue, Jun 2

1:50 pm - 5:55 pm

OSL

SEA

13h 05m

1 stop

11:25 pm - 3:25 pm

SEA

OSL

31h 00m

1 stop

$494Icelandair

Sat, May 16 - Mon, Jun 1

1:50 pm - 5:55 pm

OSL

SEA

13h 05m

1 stop

7:00 pm - 12:35 pm

SEA

OSL

32h 35m

1 stop

$520Icelandair

Sat, May 16 - Mon, Jun 1

11:50 am - 9:05 pm

OSL

SEA

18h 15m

2 stops

10:05 pm - 8:40 pm

SEA

OSL

13h 35m

1 stop

$547Delta

Sat, May 16 - Mon, Jun 1

8:35 am - 4:00 pm

OSL

SEA

16h 25m

1 stop

8:20 pm - 11:20 pm

SEA

OSL

18h 00m

1 stop

$554Multiple Airlines

Tue, Jun 2 - Tue, Jun 9

9:20 am - 4:30 pm

OSL

SEA

16h 10m

1 stop

9:30 am - 11:05 am

SEA

OSL

16h 35m

2 stops

$557Delta

Fri, May 15 - Tue, May 19

11:50 am - 9:05 pm

OSL

SEA

18h 15m

2 stops

7:30 am - 11:05 am

SEA

OSL

18h 35m

2 stops

$558Delta

Sat, May 16 - Mon, Jun 1

4:30 pm - 8:40 pm

OSL

SEA

13h 10m

1 stop

7:00 pm - 3:25 pm

SEA

OSL

11h 25m

1 stop

$560Icelandair

Tue, May 19 - Wed, Jun 3

6:00 am - 1:45 pm

TRF

SEA

16h 45m

1 stop

3:55 pm - 2:30 pm

SEA

TRF

13h 35m

1 stop

$604Scandinavian Airlines

Tue, May 26 - Tue, Jun 2

6:00 am - 1:45 pm

TRF

SEA

16h 45m

1 stop

3:55 pm - 12:25 am

SEA

TRF

23h 30m

1 stop

$681Scandinavian Airlines

Sat, May 23 - Sun, May 31

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Delta flights from Oslo to Seattle

Our best Delta deals on Oslo to Seattle flight tickets

Delta

May 16

OSL11:50 amOslo Gardermoen

18h 15m

2 stops

SEA9:05 pmSeattle/Tacoma Intl

Jun 1

SEA10:05 pmSeattle/Tacoma Intl

13h 35m

1 stop

OSL8:40 pmOslo Gardermoen

$547

Delta

May 15

OSL9:20 amOslo Gardermoen

16h 10m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

May 19

SEA9:30 amSeattle/Tacoma Intl

16h 35m

2 stops

OSL11:05 amOslo Gardermoen

$557

Delta

May 16

OSL11:50 amOslo Gardermoen

18h 15m

2 stops

SEA9:05 pmSeattle/Tacoma Intl

Jun 1

SEA7:30 amSeattle/Tacoma Intl

18h 35m

2 stops

OSL11:05 amOslo Gardermoen

$558

British Airways flights from Oslo to Seattle

Our best British Airways deals on Oslo to Seattle flight tickets

British Airways

Jun 4

OSL7:45 amOslo Gardermoen

23h 47m

2 stops

SEA10:32 pmSeattle/Tacoma Intl

Jun 7

SEA8:20 pmSeattle/Tacoma Intl

29h 10m

1 stop

OSL10:30 amOslo Gardermoen

$586

British Airways

Jun 4

OSL7:45 amOslo Gardermoen

23h 47m

2 stops

SEA10:32 pmSeattle/Tacoma Intl

Jun 7

SEA3:05 pmSeattle/Tacoma Intl

23h 35m

2 stops

OSL11:40 pmOslo Gardermoen

$587

British Airways

Jun 4

OSL7:45 amOslo Gardermoen

23h 47m

2 stops

SEA10:32 pmSeattle/Tacoma Intl

Jun 7

SEA6:00 amSeattle/Tacoma Intl

32h 40m

2 stops

OSL11:40 pmOslo Gardermoen

$589

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Tue 5/26

4:30 pm-8:40 pm

1 stop13h 10m

Seattle/Tacoma Intl

Tue 6/2

7:00 pm-3:25 pm

1 stop11h 25m

$493

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 5/16

1:50 pm-5:55 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 6/1

11:25 pm-3:25 pm

1 stop31h 00m

$494

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 5/16

1:50 pm-5:55 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 6/1

7:00 pm-12:35 pm

1 stop32h 35m

$520

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 5/16

11:50 am-9:05 pm

2 stops18h 15m

Seattle/Tacoma Intl

Mon 6/1

10:05 pm-8:40 pm

1 stop13h 35m

$547

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Tue 6/2

8:35 am-4:00 pm

1 stop16h 25m

Seattle/Tacoma Intl

Tue 6/9

8:20 pm-11:20 pm

1 stop18h 00m

$554

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 5/15

9:20 am-4:30 pm

1 stop16h 10m

Seattle/Tacoma Intl

Tue 5/19

9:30 am-11:05 am

2 stops16h 35m

$557

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 5/16

11:50 am-9:05 pm

2 stops18h 15m

Seattle/Tacoma Intl

Mon 6/1

7:30 am-11:05 am

2 stops18h 35m

$558

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Tue 5/19

4:30 pm-8:40 pm

1 stop13h 10m

Seattle/Tacoma Intl

Wed 6/3

7:00 pm-3:25 pm

1 stop11h 25m

$560

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Tue 5/26

6:00 am-1:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Tue 6/2

3:55 pm-2:30 pm

1 stop13h 35m

$604

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 5/23

6:00 am-1:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Sun 5/31

3:55 pm-12:25 am

1 stop23h 30m

$681

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oslo to Seattle

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

Prices

Airlines

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

What is the cheapest month to fly to Seattle?

In general, November is the cheapest month to fly from Oslo to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $301. If you don’t want to visit Seattle in November, then you should wait until May to fly from Oslo, when ticket prices are also cheap, with an average price of $309.

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

You are more likely to see cheaper flights to Seattle from Oslo when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $608 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Oslo for as low as $559 on momondo.

Cheap Oslo to Seattle flight deals and tips

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

Fastest flight time	12h 10m
Direct flights	None

The fastest flight from Oslo to Seattle takes 12h 10m

There are no direct flights from Oslo to Seattle. There are no popular flight routes from Oslo to Seattle.

Search flight deals

Frequently asked questions about flying from Oslo to Seattle

How far is Oslo to Seattle/Tacoma Intl by plane?
There are 4550.6 mi between Oslo and Seattle/Tacoma Intl. Typically, this will take 12h 10m by plane in normal conditions.
When did momondo last update prices for flights from Oslo to Seattle/Tacoma Intl Airport?
Prices for flights from Oslo to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Oslo to Seattle/Tacoma Intl Airport?
As of April 2026, there are 3 operators available to choose from for flights from Oslo to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Oslo to Seattle/Tacoma Intl 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 Oslo to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Oslo to Seattle

Compare and see reviews for airlines that fly from Oslo to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $443	Free Cancellation	Rating 7.0 646 reviews	Search Icelandair flights
Lufthansa	PriceFrom $474	Free Cancellation	Rating 6.8 7,962 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 1,767 reviews	Search Scandinavian Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Marysville

Puyallup

Tukwila

Lakewood

Cle Elum

Federal Way

Centralia

Fife

Shoreline

Westport

Tumwater

Why use momondo?

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

It is quick and easy to find Oslo to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

All flight searches from Oslo to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Oslo to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Oslo and alert you when they change.