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Cheap flights from Seattle to Oslo from $201

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 11/17. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
7:00 pm - 3:25 pm
SEA
-
OSL
11h 25m
1 stop
Icelandair Logo
1:10 pm - 6:00 pm
OSL
-
SEA
12h 50m
1 stop
$493Icelandair
Thu, Oct 15 - Thu, Oct 29
Icelandair Logo
7:00 pm - 3:25 pm
SEA
-
OSL
11h 25m
1 stop
Icelandair Logo
1:50 pm - 5:55 pm
OSL
-
SEA
13h 05m
1 stop
$493Icelandair
Sat, Oct 17 - Sat, Oct 24
Multiple Airlines Logo
2:50 pm - 5:40 pm
SEA
-
OSL
17h 50m
1 stop
Multiple Airlines Logo
1:00 pm - 11:18 pm
OSL
-
SEA
43h 18m
2 stops
$493Multiple Airlines
Wed, Nov 4 - Thu, Nov 12
Multiple Airlines Logo
6:50 pm - 10:05 pm
SEA
-
OSL
18h 15m
1 stop
Multiple Airlines Logo
1:00 pm - 8:47 pm
OSL
-
SEA
40h 47m
2 stops
$493Multiple Airlines
Thu, Oct 22 - Sun, Nov 1
Lufthansa Logo
3:15 pm - 5:40 pm
SEA
-
OSL
41h 25m
2 stops
Lufthansa Logo
6:15 am - 12:00 pm
OSL
-
SEA
14h 45m
1 stop
$495Lufthansa
Mon, Nov 2 - Mon, Nov 9
United Airlines Logo
5:05 am - 5:40 pm
SEA
-
OSL
27h 35m
2 stops
United Airlines Logo
11:45 am - 4:59 pm
OSL
-
SEA
14h 14m
1 stop
$498United Airlines
Thu, Nov 5 - Fri, Apr 16
Lufthansa Logo
6:50 pm - 10:05 pm
SEA
-
OSL
18h 15m
1 stop
Lufthansa Logo
7:15 am - 4:59 pm
OSL
-
SEA
18h 44m
1 stop
$499Lufthansa
Sun, Oct 18 - Fri, Oct 23
United Airlines Logo
6:50 pm - 10:05 pm
SEA
-
OSL
18h 15m
1 stop
United Airlines Logo
7:15 am - 4:59 pm
OSL
-
SEA
18h 44m
1 stop
$499United Airlines
Fri, Oct 16 - Fri, Oct 23
Scandinavian Airlines Logo
3:55 pm - 2:30 pm
SEA
-
TRF
13h 35m
1 stop
Scandinavian Airlines Logo
6:00 am - 1:45 pm
TRF
-
SEA
16h 45m
1 stop
$525Scandinavian Airlines
Tue, Sep 15 - Tue, Sep 29
Scandinavian Airlines Logo
3:55 pm - 2:30 pm
SEA
-
TRF
13h 35m
1 stop
Scandinavian Airlines Logo
6:00 am - 1:45 pm
TRF
-
SEA
16h 45m
1 stop
$526Scandinavian Airlines
Tue, Sep 15 - Tue, Sep 29

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United Airlines flights from Seattle to Oslo

Our best United Airlines deals on Seattle to Oslo flight tickets
United Airlines
Aug 12
SEA7:11 amSeattle/Tacoma Intl
29h 54m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 24
OSL7:10 amOslo Gardermoen
25h 16m
3 stops
SEA11:26 pmSeattle/Tacoma Intl
$503
United Airlines
Aug 16
SEA6:50 pmSeattle/Tacoma Intl
18h 15m
1 stop
OSL10:05 pmOslo Gardermoen
Sep 6
OSL7:10 amOslo Gardermoen
18h 49m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$505
United Airlines
Nov 4
SEA10:50 amSeattle/Tacoma Intl
21h 20m
2 stops
OSL5:10 pmOslo Gardermoen
Nov 12
OSL6:15 amOslo Gardermoen
14h 45m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$510

Icelandair flights from Seattle to Oslo

Our best Icelandair deals on Seattle to Oslo flight tickets
Icelandair
Aug 16
SEA7:00 pmSeattle/Tacoma Intl
32h 35m
1 stop
OSL12:35 pmOslo Gardermoen
Sep 7
OSL1:50 pmOslo Gardermoen
30h 55m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$494
Icelandair
Oct 4
SEA7:00 pmSeattle/Tacoma Intl
32h 35m
1 stop
OSL12:35 pmOslo Gardermoen
Oct 9
OSL4:30 pmOslo Gardermoen
13h 10m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
$495
Icelandair
Oct 11
SEA7:00 pmSeattle/Tacoma Intl
11h 25m
1 stop
OSL3:25 pmOslo Gardermoen
Oct 17
OSL1:50 pmOslo Gardermoen
13h 05m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$496

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 July 30, 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

Cheapest round-trip
Quickest round-trip

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Thu 10/15

7:00 pm-3:25 pm

1 stop11h 25m

Oslo Gardermoen

Thu 10/29

1:10 pm-6:00 pm

1 stop12h 50m

$493

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sat 10/17

7:00 pm-3:25 pm

1 stop11h 25m

Oslo Gardermoen

Sat 10/24

1:50 pm-5:55 pm

1 stop13h 05m

$493

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 11/4

2:50 pm-5:40 pm

1 stop17h 50m

Oslo Gardermoen

Thu 11/12

1:00 pm-11:18 pm

2 stops43h 18m

$493

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Thu 10/22

6:50 pm-10:05 pm

1 stop18h 15m

Oslo Gardermoen

Sun 11/1

1:00 pm-8:47 pm

2 stops40h 47m

$493

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Mon 11/2

3:15 pm-5:40 pm

2 stops41h 25m

Oslo Gardermoen

Mon 11/9

6:15 am-12:00 pm

1 stop14h 45m

$495

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Thu 11/5

5:05 am-5:40 pm

2 stops27h 35m

Oslo Gardermoen

Fri 4/16

11:45 am-4:59 pm

1 stop14h 14m

$498

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 10/18

6:50 pm-10:05 pm

1 stop18h 15m

Oslo Gardermoen

Fri 10/23

7:15 am-4:59 pm

1 stop18h 44m

$499

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Fri 10/16

6:50 pm-10:05 pm

1 stop18h 15m

Oslo Gardermoen

Fri 10/23

7:15 am-4:59 pm

1 stop18h 44m

$499

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 9/15

3:55 pm-2:30 pm

1 stop13h 35m

Oslo Sandefjord

Tue 9/29

6:00 am-1:45 pm

1 stop16h 45m

$525

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 9/15

3:55 pm-2:30 pm

1 stop13h 35m

Oslo Sandefjord

Tue 9/29

6:00 am-1:45 pm

1 stop16h 45m

$526

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $502 to $666.
The lowest price recently found on this route was $493.

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 $422. 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 $483.

How far in advance should I book a flight from Seattle 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 $558 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 $507 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

11h 25m

Direct flights

None
The fastest flight from Seattle to Oslo takes 11h 25m
There are no direct flights from Seattle to Oslo. There are no popular flight routes from Seattle to Oslo.
Search flight deals

Frequently asked questions about flying from Seattle to Oslo

  • 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 11h 25m.

  • 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 $351Free CancellationRating
6.7
8,127 reviews
Search British Airways flights
IcelandairPriceFrom $393Free CancellationRating
7.0
716 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $426Free CancellationRating
7.4
1,906 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $457Free CancellationRating
7.8
8,487 reviews
Search Delta flights
LufthansaPriceFrom $490Free CancellationRating
6.8
8,163 reviews
Search Lufthansa flights
United AirlinesPriceFrom $491Free CancellationRating
7.4
10,046 reviews
Search United Airlines flights
KLMPriceFrom $506Free CancellationRating
7.8
1,551 reviews
Search KLM 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.

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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