Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Oslo from $233

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 4/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 00m
1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
SEA
12h 50m
1 stop
$395Icelandair
Wed, Feb 4 - Wed, Feb 11
Icelandair Logo
2:35 pm - 8:35 pm
SEA
-
OSL
21h 00m
1 stop
Icelandair Logo
9:30 pm - 5:00 pm
OSL
-
SEA
28h 30m
1 stop
$396Icelandair
Sat, Jan 24 - Sun, Feb 1
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m
1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
SEA
12h 50m
1 stop
$398Icelandair
Sat, Jan 24 - Sat, Jan 31
British Airways Logo
1:29 pm - 4:15 pm
SEA
-
OSL
17h 46m
2 stops
British Airways Logo
7:30 pm - 6:30 pm
OSL
-
SEA
56h 00m
2 stops
$453British Airways
Sun, May 3 - Tue, May 12
British Airways Logo
5:45 pm - 10:40 pm
SEA
-
OSL
19h 55m
2 stops
British Airways Logo
11:45 am - 4:55 pm
OSL
-
SEA
14h 10m
1 stop
$456British Airways
Sun, Feb 1 - Tue, Mar 3
American Airlines Logo
7:00 am - 10:35 am
SEA
-
OSL
18h 35m
2 stops
American Airlines Logo
12:50 pm - 4:00 pm
OSL
-
SEA
12h 10m
1 stop
$458American Airlines
Sun, May 3 - Tue, May 12
Scandinavian Airlines Logo
3:55 pm - 12:25 am
SEA
-
TRF
23h 30m
1 stop
Scandinavian Airlines Logo
8:55 pm - 1:45 pm
TRF
-
SEA
25h 50m
1 stop
$663Scandinavian Airlines
Sun, Jun 7 - Mon, Jun 29
Multiple Airlines Logo
7:00 pm - 6:00 pm
SEA
-
TRF
14h 00m
2 stops
Multiple Airlines Logo
12:10 pm - 5:55 pm
TRF
-
SEA
14h 45m
2 stops
$776Multiple Airlines
Sat, Apr 25 - Wed, May 20
Multiple Airlines Logo
3:00 pm - 2:05 pm
SEA
-
TRF
39h 05m
2 stops
Multiple Airlines Logo
3:05 pm - 12:20 pm
TRF
-
SEA
54h 15m
2 stops
$782Multiple Airlines
Tue, Mar 17 - Sun, Mar 29
Scandinavian Airlines Logo
3:55 pm - 8:25 pm
SEA
-
TRF
19h 30m
1 stop
Scandinavian Airlines Logo
5:10 pm - 1:45 pm
TRF
-
SEA
29h 35m
1 stop
$793Scandinavian Airlines
Sun, Jul 5 - Sat, Jul 11

Lufthansa flights from Seattle to Oslo

Our best Lufthansa deals on Seattle to Oslo flight tickets
Lufthansa
Jan 24
SEA10:58 amSeattle/Tacoma Intl
41h 07m
2 stops
OSL1:05 pmOslo Gardermoen
Jan 31
OSL6:15 amOslo Gardermoen
14h 55m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$482
Lufthansa
Apr 17
SEA6:50 pmSeattle/Tacoma Intl
14h 05m
1 stop
OSL5:55 pmOslo Gardermoen
Apr 21
OSL6:55 amOslo Gardermoen
14h 25m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$493
Lufthansa
May 8
SEA6:50 pmSeattle/Tacoma Intl
14h 05m
1 stop
OSL5:55 pmOslo Gardermoen
May 22
OSL11:45 amOslo Gardermoen
14h 14m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$494

British Airways flights from Seattle to Oslo

Our best British Airways deals on Seattle to Oslo flight tickets
British Airways
May 3
SEA1:29 pmSeattle/Tacoma Intl
17h 46m
2 stops
OSL4:15 pmOslo Gardermoen
May 12
OSL7:30 pmOslo Gardermoen
56h 00m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$453
British Airways
Feb 1
SEA5:45 pmSeattle/Tacoma Intl
19h 55m
2 stops
OSL10:40 pmOslo Gardermoen
Mar 3
OSL11:45 amOslo Gardermoen
14h 10m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$456
British Airways
Feb 1
SEA5:45 pmSeattle/Tacoma Intl
19h 55m
2 stops
OSL10:40 pmOslo Gardermoen
Mar 3
OSL11:45 amOslo Gardermoen
20h 19m
2 stops
SEA11:04 pmSeattle/Tacoma Intl
$459

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Oslo 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 12, 2026.
Use the filters below to find and compare flights from Seattle to Oslo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

$395

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sat 1/24

2:35 pm-8:35 pm

1 stop21h 00m

Oslo Gardermoen

Sun 2/1

9:30 pm-5:00 pm

1 stop28h 30m

$396

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sat 1/24

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Sat 1/31

1:10 pm-5:00 pm

1 stop12h 50m

$398

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 5/3

1:29 pm-4:15 pm

2 stops17h 46m

Oslo Gardermoen

Tue 5/12

7:30 pm-6:30 pm

2 stops56h 00m

$453

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 2/1

5:45 pm-10:40 pm

2 stops19h 55m

Oslo Gardermoen

Tue 3/3

11:45 am-4:55 pm

1 stop14h 10m

$456

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 5/3

7:00 am-10:35 am

2 stops18h 35m

Oslo Gardermoen

Tue 5/12

12:50 pm-4:00 pm

1 stop12h 10m

$458

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 6/7

3:55 pm-12:25 am

1 stop23h 30m

Oslo Sandefjord

Mon 6/29

8:55 pm-1:45 pm

1 stop25h 50m

$663

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sat 4/25

7:00 pm-6:00 pm

2 stops14h 00m

Oslo Sandefjord

Wed 5/20

12:10 pm-5:55 pm

2 stops14h 45m

$776

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 3/17

3:00 pm-2:05 pm

2 stops39h 05m

Oslo Sandefjord

Sun 3/29

3:05 pm-12:20 pm

2 stops54h 15m

$782

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 7/5

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Sat 7/11

5:10 pm-1:45 pm

1 stop29h 35m

$793

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Oslo from

How to get the cheapest flight ticket from Seattle to Oslo

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?

What is the cheapest month to fly to Oslo?

The month of January is, on average, the cheapest month to fly to Oslo from Seattle, with most prices found around $423. If you’re not able to fly to Oslo in January, then November is your next best option. Flight prices from Seattle to Oslo during November average around $482.

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

You are more likely to see cheaper flights to Oslo from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo for around $591 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo from Seattle for as low as $533 on momondo.

Cheap Seattle to Oslo flight deals and tips

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

Fastest flight time

12h 00m

Direct flights

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

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

    Seattle/Tacoma Intl and Oslo are 4550.6 mi apart from one another. A reasonable flight in good conditions will take 12h 00m.

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

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

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

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

    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.

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

    The travel and health documents you'll need for your trip to Oslo 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Oslo

Compare and see reviews for airlines that fly from Seattle to Oslo with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $354Free CancellationRating
6.7
7,665 reviews
Search British Airways flights
IcelandairPriceFrom $401Free CancellationRating
7.1
595 reviews
Search Icelandair flights
DeltaPriceFrom $468Free CancellationRating
7.9
8,038 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $492Free CancellationRating
7.3
1,646 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $510Free CancellationRating
7.2
11,114 reviews
Search American Airlines flights
United AirlinesPriceFrom $522Free CancellationRating
7.4
9,147 reviews
Search United Airlines flights
KLMPriceFrom $524Free CancellationRating
7.7
1,437 reviews
Search KLM flights
Air FrancePriceFrom $526Free CancellationRating
7.4
1,520 reviews
Search Air France flights
LufthansaPriceFrom $538Free CancellationRating
6.8
7,709 reviews
Search Lufthansa flights
FinnairPriceFrom $569Free CancellationRating
7.6
1,347 reviews
Search Finnair flights

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?

Yes. momondo enables you to select and highlight flights to Oslo from Seattle with this policy.

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

Once all potential Seattle to Oslo 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 Seattle to Oslo right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Oslo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Oslo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 2/11
Wed 2/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Norway

Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo
Oslo Gardermoen Airport
Oslo Sandefjord Airport