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$387+ Cheap flights from Oslo Gardermoen (OSL) to Seattle (SEA)

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Nov 19 — Nov 261
1 adult
Tue 11/19
Tue 11/26
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The best prices from Oslo Gardermoen to Seattle/Tacoma Intl are usually found in October or February, booked 54 days in advance, depart on a Saturday or Tuesday and return on a Monday

Cheap flight deals from Oslo Gardermoen to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to Seattle (SEA). 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 November 14, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

October

Average price

$465

Round-trip from

$399
(Finnair)
Provider with most accurate pricing for Oslo Gardermoen-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Oslo Gardermoen-Seattle/Tacoma Intl flights.
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High demand for flights, 30% potential price rise
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Best time to find cheap flights, 21% potential price drop
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Average for round-trip flights in November 2024
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From Oslo Gardermoen to Seattle/Tacoma Intl
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Find flight deals from Oslo Gardermoen to Seattle

Cheapest flights from Oslo Gardermoen to Seattle
Explore the most affordable flight options available from Oslo Gardermoen to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2024.

This American Airlines deal was found by Cheapflights users on 11/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/252:30 pmOSL - SEA
1 stop29h 50mAmerican Airlines
Sun 12/81:34 pmSEA - OSL
2 stops36h 21mAmerican Airlines
Deal found 11/14$448
This Flysmarter deal was found by Cheapflights users on 11/14. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/127:00 amOSL - SEA
2 stops24h 21mMultiple Airlines
Sun 12/159:00 amSEA - OSL
2 stops20h 20mMultiple Airlines
Deal found 11/14$484
This Gotogate deal was found by Cheapflights users on 11/14. 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.
Mon 11/256:20 amOSL - SEA
1 stop14h 50mLufthansa
Sun 12/83:10 pmSEA - OSL
1 stop17h 45mLufthansa
Deal found 11/14$485
This United Airlines deal was found by Cheapflights users on 11/14. 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.
Fri 11/226:30 amOSL - SEA
2 stops24h 10mUnited Airlines
Mon 12/24:35 pmSEA - OSL
2 stops21h 55mUnited Airlines
Deal found 11/14$495
This Cheapflightsfares deal was found by Cheapflights users on 11/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:50 amOSL - SEA
1 stop19h 05mBritish Airways
Sat 12/216:50 pmSEA - OSL
1 stop19h 10mBritish Airways
Deal found 11/14$922
This Ticket deal was found by Cheapflights users on 11/14. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1211:30 amOSL - SEA
2 stops19h 17mScandinavian Airlines
Sat 12/1411:35 amSEA - OSL
2 stops16h 30mScandinavian Airlines
Deal found 11/14$943
This oojo deal was found by Cheapflights users on 11/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/226:45 pmOSL - SEA
4 stops58h 35mEthiopian Air
Mon 12/28:05 amSEA - OSL
4 stops38h 40mEthiopian Air
Deal found 11/14$2,653
This Turkish Airlines deal was found by Cheapflights users on 11/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/12:55 pmOSL - SEA
1 stop35h 10mTurkish Airlines
Wed 12/49:25 amSEA - OSL
2 stops22h 50mTurkish Airlines
Deal found 11/14$3,355

Find flights from Oslo Gardermoen to Seattle within your budget

Customize your flight search to find flights from Oslo Gardermoen to Seattle 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 2,752,363 searches. Data last updated November 14, 2024.

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Fly to

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Route

Depart

Return

Price

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 2/14

11:40 am-11:22 pm

2 stops20h 42m

Seattle/Tacoma Intl

Sat 3/1

1:45 pm-2:10 pm

1 stop15h 25m

$427

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 11/29

6:30 am-12:10 pm

1 stop14h 40m

Seattle/Tacoma Intl

Tue 12/3

9:25 am-1:10 pm

2 stops18h 45m

$435

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 12/15

6:00 am-1:20 pm

1 stop16h 20m

Seattle/Tacoma Intl

Wed 1/8

7:00 am-5:10 pm

3 stops49h 10m

$436

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 2/15

6:55 pm-11:45 am

1 stop25h 50m

Seattle/Tacoma Intl

Sun 3/2

12:40 pm-4:25 pm

1 stop18h 45m

$440

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 2/14

6:20 am-12:05 pm

1 stop14h 45m

Seattle/Tacoma Intl

Sun 3/2

12:40 pm-4:25 pm

1 stop18h 45m

$445

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 2/16

11:25 am-11:22 pm

2 stops20h 57m

Seattle/Tacoma Intl

Sat 3/1

1:45 pm-2:10 pm

1 stop15h 25m

$458

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 2/15

9:20 am-8:28 pm

2 stops20h 08m

Seattle/Tacoma Intl

Sun 3/2

12:40 pm-4:25 pm

1 stop18h 45m

$471

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 11/25

6:20 am-12:10 pm

1 stop14h 50m

Seattle/Tacoma Intl

Sun 12/8

3:10 pm-5:55 pm

1 stop17h 45m

$485

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 12/4

6:50 am-4:55 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sat 12/21

6:50 pm-11:00 pm

1 stop19h 10m

$922

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 12/12

11:30 am-9:47 pm

2 stops19h 17m

Seattle/Tacoma Intl

Sat 12/14

11:35 am-1:05 pm

2 stops16h 30m

$943

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 21 results
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Compare providers for flights from Oslo Gardermoen to Seattle

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 Oslo Gardermoen to Seattle in November.
ProviderPrice AccuracyTrust Score*
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 Oslo Gardermoen Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oslo Gardermoen Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oslo Gardermoen Airport-Seattle 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 Oslo Gardermoen Airport-Seattle 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 Oslo Gardermoen to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Oslo Gardermoen 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 Oslo Gardermoen to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Oslo Gardermoen to Seattle. Price data was last updated on November 8, 2024.

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo Gardermoen Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Seattle (average of $238). Flying from Oslo Gardermoen Airport to Seattle in July is currently the most expensive (average of $411). 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 OSL to SEA?

Find hourly flight availability from Oslo Gardermoen to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 14, 2024.

It’s typically best to fly out from Oslo Gardermoen Airport to Seattle at noon. Doing so could potentially save you 18% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated November 14, 2024.
Get a feel of what it's like to fly with British Airways, Air Canada and American Airlines from Oslo to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,788 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,788 reviews
Delta
8.0
Very good
8,788 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,304 reviews
Delta
8.0
Very good
8,788 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Cathay Pacific
7.6
Good
874 reviews
Delta
8.0
Very good
8,788 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,538 reviews
Delta
8.0
Very good
8,788 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,194 reviews
Delta
8.0
Very good
8,788 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Seattle. 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 into for flights to Seattle from Oslo Gardermoen?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Oslo Gardermoen to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Oslo Gardermoen; the airport handles an average of 0 inbound flights from Oslo Gardermoen per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Seattle airport from Oslo Gardermoen. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

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

    Flying on Finnair is currently your cheapest option to Seattle, with prices starting at $399. Additional round-trip tickets that might be worth considering are offered by Delta and British Airways, with the lowest prices starting at $410 and $411, respectively. Users have found that Finnair is 31% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Oslo Gardermoen Airport to Seattle one-way?

    The cheapest airlines for a one-way flight from Oslo Gardermoen Airport to Seattle are British Airways ($478), Turkish Airlines ($729), and Ethiopian Air ($1,636).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to Seattle 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 Oslo Gardermoen Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Seattle (average of $238). Flying from Oslo Gardermoen Airport to Seattle in July is currently the most expensive (average of $411). 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.

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Alternative routes for Oslo Gardermoen to Seattle

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

Top 6 airlines flying from Oslo Gardermoen to Seattle

Discover the top 6 airlines that operate flights from Oslo Gardermoen to Seattle. 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 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$415Average$578FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$429Average$665FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$433Average$739FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$434Average$605FlexibilityNo cancel feeOn-time76%
FinnairCheapest$445Average$501FlexibilityNo cancel feeOn-time76%
DeltaCheapest$522Average$823FlexibilityNo cancel feeOn-timeN/A
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