HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo Gardermoen

$297+ Cheap flights from Seattle (SEA) to Oslo Gardermoen (OSL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Oslo Gardermoen with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Seattle/Tacoma Intl to Oslo Gardermoen are usually found in November or January, booked 43 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Seattle to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Oslo Gardermoen (OSL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$415
(Ticket)

Popular in

June

Cheapest in

November

Average price

$898
Provider with most accurate pricing for Seattle/Tacoma Intl-Oslo Gardermoen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Oslo Gardermoen flights.
Search Deals
From Seattle/Tacoma Intl to Oslo Gardermoen
Search Deals
High demand for flights, 28% potential price rise
Search Deals
Best time to find cheap flights, 6% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Seattle to Oslo Gardermoen

Cheapest flights from Seattle to Oslo Gardermoen
Explore the most affordable flight options available from Seattle to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2024.

This Gotogate deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/273:10 pmSEA - OSL
1 stop17h 45mMultiple Airlines
Sat 1/41:10 pmOSL - SEA
1 stop12h 50mMultiple Airlines
Deal found 12/22$1,820
This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/265:00 amSEA - OSL
2 stops27h 55mUnited Airlines
Sun 1/511:50 amOSL - SEA
2 stops42h 25mUnited Airlines
Deal found 12/22$1,997
This Justfly.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:50 pmSEA - OSL
1 stop31h 05mBritish Airways
Sun 12/297:15 amOSL - SEA
2 stops23h 03mBritish Airways
Deal found 12/22$2,261
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/261:35 pmSEA - OSL
1 stop17h 50mDelta
Sun 1/56:20 amOSL - SEA
2 stops21h 00mDelta
Deal found 12/22$2,471

Find flights from Seattle to Oslo Gardermoen within your budget

Customize your flight search to find flights from Seattle to Oslo Gardermoen 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, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 2/9

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Sun 2/16

9:30 pm-5:00 pm

1 stop28h 30m

$415

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 2/5

3:25 pm-12:10 pm

2 stops35h 45m

Oslo Gardermoen

Wed 2/12

9:45 am-8:30 pm

2 stops19h 45m

$514

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 2/5

6:50 pm-10:40 pm

1 stop18h 50m

Oslo Gardermoen

Wed 2/12

6:50 am-4:55 pm

1 stop19h 05m

$520

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 2/9

6:50 pm-10:40 pm

1 stop18h 50m

Oslo Gardermoen

Wed 3/5

8:45 am-7:05 pm

2 stops19h 20m

$534

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 2/12

10:35 am-12:45 pm

2 stops17h 10m

Oslo Gardermoen

Tue 3/4

6:10 am-2:30 pm

2 stops17h 20m

$555

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 2/9

12:35 pm-4:25 pm

1 stop18h 50m

Oslo Gardermoen

Mon 3/3

12:40 pm-11:37 am

1 stop31h 57m

$562

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Tue 2/4

7:00 am-5:35 pm

3 stops25h 35m

Oslo Gardermoen

Tue 2/11

6:10 am-9:30 pm

2 stops24h 20m

$565

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 2/12

2:10 pm-8:50 pm

1 stop21h 40m

Oslo Gardermoen

Wed 3/5

6:30 am-11:37 am

1 stop14h 07m

$568

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Mon 3/10

12:00 pm-6:20 pm

2 stops22h 20m

Oslo Gardermoen

Sun 3/16

4:10 pm-11:05 pm

2 stops38h 55m

$579

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 1/19

6:50 pm-10:40 pm

1 stop18h 50m

Oslo Gardermoen

Sun 2/2

7:15 am-7:00 pm

2 stops20h 45m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 18 results
1
2

Compare providers for flights from Seattle to Oslo Gardermoen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Oslo Gardermoen in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Oslo Gardermoen Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Oslo Gardermoen Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Oslo Gardermoen Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Oslo Gardermoen Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Oslo Gardermoen Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Oslo Gardermoen

Get recent, data-driven insights about flights from Seattle to Oslo Gardermoen including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Oslo Gardermoen. Price data was last updated on December 20, 2024.

To ensure you get the cheapest price possible for a flight from Seattle to Oslo Gardermoen Airport, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Oslo Gardermoen Airport (average of $567). Flying from Seattle to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,182). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to OSL?

Find hourly flight availability from Seattle to Oslo Gardermoen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2024.

It’s optimal to fly from Seattle to Oslo Gardermoen Airport in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Oslo Gardermoen. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Oslo Gardermoen Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo Gardermoen Airport ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo Gardermoen Airport when rainfall is around 1.6 in.

Temperature in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo Gardermoen Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Oslo Gardermoen

Get insights into the airlines that provide service to Oslo Gardermoen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo Gardermoen. Reviews last updated December 23, 2024.
Delta
8.0
Very good
8,588 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,588 reviews
Delta
8.0
Very good
8,588 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,345 reviews
Delta
8.0
Very good
8,588 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,588 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very good
8,588 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,022 reviews
Delta
8.0
Very good
8,588 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Oslo Gardermoen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Oslo Gardermoen?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Oslo Gardermoen from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Oslo Gardermoen should be relatively easy as there are 0 daily outbound flights to Oslo Gardermoen from 10 different airlines.

  • What are the cheapest airlines flying from Seattle to Oslo Gardermoen Airport round-trip?

    Currently priced at $415, Icelandair will fly you from Seattle to Oslo Gardermoen Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Finnair - these airlines can fly you to your destination from $520 and $534, respectively. Icelandair is 46% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Seattle to Oslo Gardermoen that include hotel bookings?

    Yes. In addition to deals on Seattle to Oslo Gardermoen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Oslo Gardermoen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Oslo Gardermoen.

  • Can I find deals for business class flights from Seattle to Oslo Gardermoen?

    Yes. Cheapflights offers flight deals from Seattle to Oslo Gardermoen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Oslo Gardermoen Airport?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Oslo Gardermoen Airport (average of $567). Flying from Seattle to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,182). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Oslo Gardermoen

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Oslo Gardermoen flights
Seattle to Sandefjord flights
Spokane to Oslo Gardermoen flights
Portland to Sandefjord flights
Spokane to Sandefjord flights

Top 10 airlines flying from Seattle to Oslo Gardermoen

Discover the top 10 airlines that operate flights from Seattle to Oslo Gardermoen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$459Average$891FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$475Average$739FlexibilityNo cancel feeOn-time70%
FinnairCheapest$484Average$782FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$533Average$898FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$553Average$678FlexibilityNo cancel feeOn-time71%
DeltaCheapest$569Average$838FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$576Average$842FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$585Average$907FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$592Average$902FlexibilityNo cancel feeOn-time77%
KLMCheapest$593Average$1,001FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.