How long is the flight from Oslo Gardermoen Airport to Seattle?

There are many flights that can get you from Oslo Gardermoen Airport to Seattle in 14h 20m. Fly via British Airways or Delta to get the fastest option. Airlines will cover a distance of 4551 mi. This flight may include one or multiple stops.

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

Flying on Icelandair is currently your cheapest option to Seattle, with prices starting at $395. Additional round-trip tickets that might be worth considering are offered by Lufthansa and British Airways, with the lowest prices starting at $436 and $442, respectively. Users have found that Icelandair 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 Scandinavian Airlines ($251), American Airlines ($275), and Finnair ($303).

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.

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).

What are the most popular airlines that fly from Oslo Gardermoen Airport to Seattle?

Icelandair, Lufthansa and Scandinavian Airlines are the most popular airlines when flying from Oslo Gardermoen Airport to Seattle.

Most accurate provider : When it comes to deals on Oslo Gardermoen Airport-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oslo Gardermoen Airport-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 5 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.

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.

$295+ Flights from Oslo Gardermoen Airport to Seattle

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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”

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Cheapflights Tip: The best prices from Oslo Gardermoen to Seattle/Tacoma Intl are usually found in May or January, booked 61 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap 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 December 3, 2025.

Thu 12/1810:00 pmOSL - SEA

2 stops29h 20mMultiple Airlines

Sun 1/48:05 pmSEA - OSL

2 stops30h 10mMultiple Airlines

Deal found 12/2

$1,221

Mon 12/296:15 amOSL - SEA

2 stops25h 01mUnited Airlines

Mon 1/511:59 pmSEA - OSL

2 stops32h 11mUnited Airlines

Deal found 12/1

$1,270

Mon 12/2911:35 amOSL - SEA

2 stops20h 38mAmerican Airlines

Mon 1/56:50 pmSEA - OSL

1 stop18h 50mAmerican Airlines

Deal found 12/1

$1,342

Mon 12/295:00 pmOSL - SEA

1 stop27h 50mMultiple Airlines

Mon 1/52:10 pmSEA - OSL

1 stop24h 25mMultiple Airlines

Deal found 12/1

$1,343

Thu 12/186:25 amOSL - SEA

1 stop14h 00mDelta

Sun 1/47:13 amSEA - OSL

2 stops19h 37mDelta

Deal found 12/2

$1,424

Thu 12/181:45 pmOSL - SEA

3 stops40h 22mUnited Airlines

Sun 1/47:05 amSEA - OSL

2 stops31h 25mUnited Airlines

Deal found 12/2

$1,479

Mon 12/221:10 pmOSL - SEA

1 stop12h 50mIcelandair

Tue 12/302:35 pmSEA - OSL

1 stop12h 00mIcelandair

Deal found 12/1

$1,921

Best flights from Oslo Gardermoen to Seattle
Discover carefully curated flight deals from Oslo Gardermoen to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 3, 2025.

Thu 1/157:05 amOSL - SEA

1 stop18h 50mBritish Airways

Wed 1/286:12 amSEA - OSL

2 stops19h 43mBritish Airways

Deal found 12/2

$446

Fri 1/166:15 amOSL - SEA

2 stops24h 51mMultiple Airlines

Fri 1/233:10 pmSEA - OSL

1 stop17h 30mMultiple Airlines

Deal found 12/1

$458

Wed 1/286:30 amOSL - SEA

1 stop14h 20mDelta

Thu 2/54:55 pmSEA - OSL

1 stop16h 55mDelta

Deal found 12/1

$460

Thu 1/157:05 amOSL - SEA

2 stops24h 15mAmerican Airlines

Wed 1/288:04 amSEA - OSL

2 stops21h 06mAmerican Airlines

Deal found 12/2

$465

Wed 1/286:05 amOSL - SEA

3 stops24h 07mUnited Airlines

Thu 2/58:10 amSEA - OSL

2 stops17h 50mUnited Airlines

Deal found 12/1

$469

Wed 1/286:05 amOSL - SEA

2 stops25h 01mMultiple Airlines

Thu 2/52:00 pmSEA - OSL

1 stop14h 00mMultiple Airlines

Deal found 12/1

$459

Fri 1/166:30 amOSL - SEA

2 stops19h 28mDelta

Fri 1/231:38 pmSEA - OSL

2 stops20h 12mDelta

Deal found 12/1

$466

Thu 1/156:15 amOSL - SEA

3 stops25h 28mUnited Airlines

Thu 1/228:40 amSEA - OSL

3 stops24h 00mUnited Airlines

Deal found 12/1

$470

Sun 1/253:05 pmOSL - SEA

1 stop34h 50mBritish Airways

Sat 2/710:50 amSEA - OSL

2 stops27h 10mBritish Airways

Deal found 12/2

$476

Sun 1/2512:40 pmOSL - SEA

1 stop32h 10mDelta

Sat 2/71:40 pmSEA - OSL

1 stop17h 40mDelta

Deal found 12/2

$486

Sun 1/113:05 pmOSL - SEA

2 stops40h 02mBritish Airways

Sat 1/246:50 pmSEA - OSL

1 stop30h 45mBritish Airways

Deal found 12/1

$492

Last-minute flights from Oslo Gardermoen to Seattle
Discover last-minute flight deals from Oslo Gardermoen to Seattle. Data last updated December 3, 2025 and is based on user searches.

Sun 1/119:30 pmOSL - SEA

1 stop28h 30mIcelandair

Sat 1/242:35 pmSEA - OSL

1 stop21h 00mIcelandair

Deal found 12/1

$419

Thu 1/151:10 pmOSL - SEA

1 stop12h 50mIcelandair

Wed 1/282:35 pmSEA - OSL

1 stop12h 00mIcelandair

Deal found 12/2

$412

Thu 1/151:10 pmOSL - SEA

1 stop12h 50mIcelandair

Thu 1/222:35 pmSEA - OSL

1 stop12h 00mIcelandair

Deal found 12/1

$417

Thu 1/1512:25 pmOSL - SEA

2 stops20h 34mMultiple Airlines

Thu 1/226:50 pmSEA - OSL

1 stop19h 45mMultiple Airlines

Deal found 12/1

$441

Thu 1/157:05 amOSL - SEA

1 stop18h 50mBritish Airways

Wed 1/286:12 amSEA - OSL

2 stops19h 43mBritish Airways

Deal found 12/2

$446

Thu 1/155:00 pmOSL - SEA

1 stop27h 50mMultiple Airlines

Wed 1/282:10 pmSEA - OSL

1 stop17h 10mMultiple Airlines

Deal found 12/2

$451

Thu 1/1512:25 pmOSL - SEA

2 stops20h 34mFinnair

Thu 1/228:35 amSEA - OSL

2 stops18h 25mFinnair

Deal found 12/1

$456

Fri 1/161:10 pmOSL - SEA

1 stop12h 50mIcelandair

Fri 1/232:35 pmSEA - OSL

1 stop12h 00mIcelandair

Deal found 12/1

$436

Fri 1/166:15 amOSL - SEA

2 stops24h 51mMultiple Airlines

Fri 1/233:10 pmSEA - OSL

1 stop17h 30mMultiple Airlines

Deal found 12/1

$458

Sun 1/259:30 pmOSL - SEA

1 stop28h 30mIcelandair

Sat 2/72:35 pmSEA - OSL

1 stop21h 00mIcelandair

Deal found 12/2

$416

Wed 1/286:05 amOSL - SEA

2 stops22h 11mMultiple Airlines

Thu 2/510:05 amSEA - OSL

2 stops17h 55mMultiple Airlines

Deal found 12/1

$449

One-way flights from Oslo Gardermoen to Seattle
Search for one-way flight options from Oslo Gardermoen to Seattle. Find affordable one-way fares based on user searches. Data last updated December 3, 2025.

Wed 3/116:25 amOSL - SEA

2 stops22h 51mMultiple Airlines

Deal found 12/2

$295

Mon 3/238:50 pmOSL - SEA

2 stops32h 34mMultiple Airlines

Deal found 12/1

$297

Mon 3/238:50 pmOSL - SEA

2 stops31h 30mFinnair

Deal found 12/2

$298

Mon 3/2311:35 amOSL - SEA

1 stop32h 55mAmerican Airlines

Deal found 12/2

$299

Sat 3/217:10 amOSL - SEA

2 stops22h 44mMultiple Airlines

Deal found 12/2

$337

Sun 3/227:20 amOSL - SEA

2 stops23h 27mMultiple Airlines

Deal found 12/2

$340

Sat 3/2111:20 amOSL - SEA

1 stop14h 35mBritish Airways

Deal found 12/2

$349

Sun 3/223:05 pmOSL - SEA

1 stop34h 50mBritish Airways

Deal found 12/2

$350

Fri 1/167:00 amOSL - SEA

3 stops59h 36mMultiple Airlines

Deal found 12/2

$398

Find flight deals from Oslo Gardermoen to Seattle

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$412 (Travelis)
One-way from	$295 (Finnair)
Popular in	July
Cheapest in	May
Average price	$687

Provider with most accurate pricing for Oslo Gardermoen-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Oslo Gardermoen-Seattle/Tacoma Intl flights.

Search Deals

From Oslo Gardermoen to Seattle/Tacoma Intl

Search Deals

One-way flight from Oslo Gardermoen to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($98 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oslo Gardermoen Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 1/15

7:05 am-4:55 pm

1 stop18h 50m

Seattle/Tacoma Intl

Wed 1/28

6:12 am-10:55 am

2 stops19h 43m

$446

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 1/16

6:15 am-10:06 pm

2 stops24h 51m

Seattle/Tacoma Intl

Fri 1/23

3:10 pm-5:40 pm

1 stop17h 30m

$458

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 1/28

6:05 am-10:06 pm

2 stops25h 01m

Seattle/Tacoma Intl

Thu 2/5

2:00 pm-1:00 pm

1 stop14h 00m

$459

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 1/28

6:30 am-11:50 am

1 stop14h 20m

Seattle/Tacoma Intl

Thu 2/5

4:55 pm-6:50 pm

1 stop16h 55m

$460

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 1/15

7:05 am-10:20 pm

2 stops24h 15m

Seattle/Tacoma Intl

Wed 1/28

8:04 am-2:10 pm

2 stops21h 06m

$465

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 1/16

6:30 am-4:58 pm

2 stops19h 28m

Seattle/Tacoma Intl

Fri 1/23

1:38 pm-6:50 pm

2 stops20h 12m

$466

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 1/28

6:05 am-9:12 pm

3 stops24h 07m

Seattle/Tacoma Intl

Thu 2/5

8:10 am-11:00 am

2 stops17h 50m

$469

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 1/15

6:15 am-10:43 pm

3 stops25h 28m

Seattle/Tacoma Intl

Thu 1/22

8:40 am-5:40 pm

3 stops24h 00m

$470

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 1/25

3:05 pm-4:55 pm

1 stop34h 50m

Seattle/Tacoma Intl

Sat 2/7

10:50 am-11:00 pm

2 stops27h 10m

$476

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 1/25

12:40 pm-11:50 am

1 stop32h 10m

Seattle/Tacoma Intl

Sat 2/7

1:40 pm-4:20 pm

1 stop17h 40m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 20 results

Compare providers for flights from Oslo Gardermoen to Seattle

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 December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oslo Gardermoen Airport-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Oslo Gardermoen Airport to Seattle

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

Booking 61 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, November is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Seattle (average of $357). Flying from Oslo Gardermoen Airport to Seattle in July is currently the most expensive (average of $493). 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?

It’s typically best to fly out from Oslo Gardermoen Airport to Seattle in the evening. Doing so could potentially save you 19% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Seattle

See what other customers who have flown with Delta, Scandinavian Airlines, and Icelandair from Oslo Gardermoen Airport to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,011 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Scandinavian Airlines

7.4

Good

1,591 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Icelandair

7.0

Good

584 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Lufthansa

6.8

Okay

7,603 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

British Airways

6.7

Okay

7,550 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 5 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.
How long is the flight from Oslo Gardermoen Airport to Seattle?
There are many flights that can get you from Oslo Gardermoen Airport to Seattle in 14h 20m. Fly via British Airways or Delta to get the fastest option. Airlines will cover a distance of 4551 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Oslo Gardermoen Airport to Seattle round-trip?
Flying on Icelandair is currently your cheapest option to Seattle, with prices starting at $395. Additional round-trip tickets that might be worth considering are offered by Lufthansa and British Airways, with the lowest prices starting at $436 and $442, respectively. Users have found that Icelandair 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 Scandinavian Airlines ($251), American Airlines ($275), and Finnair ($303).
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, November is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Seattle (average of $357). Flying from Oslo Gardermoen Airport to Seattle in July is currently the most expensive (average of $493). 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

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Other flights to Seattle

Top 5 airlines flying from Oslo Gardermoen to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$395	Average$616	FlexibilityNo cancel fee	On-time76%
Lufthansa	Cheapest$436	Average$539	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$442	Average$620	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$452	Average$480	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$603	Average$703	FlexibilityNo cancel fee	On-time77%

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$295+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oslo Gardermoen to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Oslo Gardermoen to Seattle/Tacoma Intl are usually found in May or January, booked 61 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Oslo Gardermoen to Seattle

Cheapest flights from Oslo Gardermoen to SeattleExplore 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 December 3, 2025.

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 December 3, 2025.

Find flight deals from Oslo Gardermoen to Seattle

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oslo Gardermoen Airport to Seattle that are best for you.

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 December.

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.

Cheapflights Insights

Everything you need to know about your flight from Oslo Gardermoen Airport to Seattle

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

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

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

Reviews of airlines servicing Seattle

See what other customers who have flown with Delta, Scandinavian Airlines, and Icelandair from Oslo Gardermoen Airport to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from Oslo Gardermoen Airport to Seattle?

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

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

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

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

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

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

Traveling to a place near Seattle?

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Alternative routes for Oslo Gardermoen to Seattle

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Top 5 airlines flying from Oslo Gardermoen to Seattle

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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 December 3, 2025.