Which airport typically offers the quickest layover for flights from Seattle to Oslo Gardermoen Airport?

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 33m.

What’s the fastest layover option from Seattle to Oslo Gardermoen Airport?

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 11h 38m.

What’s the cheapest layover airport for flights from Seattle to Oslo Gardermoen Airport?

Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of $612.

What’s the top layover airport for flights from Seattle to Oslo Gardermoen Airport?

Copenhagen (CPH) – chosen by Cheapflights users on 43% of 1-stop itineraries from Seattle to Oslo Gardermoen Airport on Cheapflights.

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

For as low as $396, Icelandair can have you in Oslo Gardermoen Airport from Seattle in 12h. Seattle and Oslo Gardermoen Airport are separated by a distance of 4551 mi.

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

Currently priced at $403, 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 Delta - these airlines can fly you to your destination from $422 and $468, respectively. Icelandair is 32% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

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

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

Most accurate provider : When it comes to deals on Seattle-Oslo Gardermoen Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Oslo Gardermoen Airport flight deals on Cheapflights vs. eDreams >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 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 Seattle-Oslo Gardermoen Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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.

$342+ Cheap Flights from Seattle to Oslo Gardermoen Airport

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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 Seattle/Tacoma Intl to Oslo Gardermoen are usually found in January or November, booked 76 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Seattle to Oslo Gardermoen

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$342 (Ticket)
Popular in	June
Cheapest in	January
Average price	$491

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

Highest demand for flights based on searches. 19% potential increase in price ($146 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

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 October 27, 2025.

Thu 11/132:35 pmSEA - OSL

1 stop12h 00mIcelandair

Wed 11/261:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/27

$342

Thu 12/42:35 pmSEA - OSL

1 stop12h 00mIcelandair

Mon 12/151:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/27

$392

Wed 12/32:35 pmSEA - OSL

1 stop12h 00mIcelandair

Sun 12/71:05 pmOSL - SEA

1 stop12h 55mIcelandair

Deal found 10/25

$396

Tue 12/22:35 pmSEA - OSL

1 stop12h 00mIcelandair

Mon 1/121:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/24

$397

Mon 12/292:35 pmSEA - OSL

1 stop12h 00mIcelandair

Tue 1/131:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/26

$434

Sun 11/92:35 pmSEA - OSL

1 stop12h 00mIcelandair

Wed 11/191:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/25

$456

Sun 11/93:10 pmSEA - OSL

1 stop17h 30mLufthansa

Sat 11/156:15 amOSL - SEA

2 stops22h 01mLufthansa

Deal found 10/27

$458

Thu 11/137:00 amSEA - OSL

2 stops21h 00mLufthansa

Wed 11/2611:50 amOSL - SEA

2 stops42h 04mLufthansa

Deal found 10/27

$461

Sun 11/92:35 pmSEA - OSL

1 stop12h 00mIcelandair

Fri 11/141:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/27

$465

Best flights from Seattle to Oslo Gardermoen
Discover carefully curated flight deals from Seattle to Oslo Gardermoen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Thu 12/42:35 pmSEA - OSL

1 stop12h 00mIcelandair

Mon 12/151:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/25

$396

Wed 4/222:00 pmSEA - OSL

2 stops18h 20mScandinavian Airlines

Thu 4/301:05 pmOSL - SEA

1 stop18h 11mScandinavian Airlines

Deal found 10/25

$481

Mon 4/207:00 pmSEA - OSL

1 stop11h 25mIcelandair

Tue 4/284:30 pmOSL - SEA

1 stop13h 15mIcelandair

Deal found 10/24

$419

Wed 12/32:35 pmSEA - OSL

1 stop12h 00mIcelandair

Sun 12/71:05 pmOSL - SEA

1 stop12h 55mIcelandair

Deal found 10/26

$419

Wed 4/222:00 pmSEA - OSL

2 stops18h 20mScandinavian Airlines

Wed 4/291:05 pmOSL - SEA

1 stop18h 11mScandinavian Airlines

Deal found 10/24

$481

Sun 4/193:45 pmSEA - OSL

1 stop11h 50mIcelandair

Sun 4/261:50 pmOSL - SEA

1 stop15h 55mIcelandair

Deal found 10/24

$419

Tue 4/2110:55 amSEA - OSL

2 stops19h 00mScandinavian Airlines

Thu 4/301:05 pmOSL - SEA

1 stop18h 11mScandinavian Airlines

Deal found 10/25

$481

Wed 3/183:35 pmSEA - OSL

1 stop12h 00mIcelandair

Tue 4/71:50 pmOSL - SEA

1 stop13h 00mIcelandair

Deal found 10/26

$420

Tue 3/171:40 pmSEA - OSL

2 stops19h 00mScandinavian Airlines

Wed 4/81:05 pmOSL - SEA

1 stop18h 11mScandinavian Airlines

Deal found 10/26

$486

Mon 12/292:35 pmSEA - OSL

1 stop12h 00mIcelandair

Tue 1/131:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/26

$434

Last-minute flights from Seattle to Oslo Gardermoen
Discover last-minute flight deals from Seattle to Oslo Gardermoen. Data last updated October 27, 2025 and is based on user searches.

Mon 10/273:10 pmSEA - OSL

1 stop17h 10mDelta

Mon 11/36:25 amOSL - SEA

1 stop15h 55mDelta

Deal found 10/26

$515

Tue 10/282:40 pmSEA - OSL

1 stop16h 05mAir France

Fri 11/76:25 amOSL - SEA

1 stop15h 55mAir France

Deal found 10/26

$517

Sun 11/92:35 pmSEA - OSL

1 stop12h 00mIcelandair

Wed 11/191:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/25

$456

Sun 11/93:10 pmSEA - OSL

1 stop17h 30mLufthansa

Sat 11/156:15 amOSL - SEA

2 stops22h 01mLufthansa

Deal found 10/27

$458

Sun 11/92:35 pmSEA - OSL

1 stop12h 00mIcelandair

Fri 11/141:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/27

$465

Sun 11/910:05 amSEA - OSL

2 stops22h 35mMultiple Airlines

Wed 11/196:05 amOSL - SEA

2 stops22h 11mMultiple Airlines

Deal found 10/25

$488

Thu 11/132:35 pmSEA - OSL

1 stop12h 00mIcelandair

Wed 11/261:10 pmOSL - SEA

1 stop12h 50mIcelandair

Deal found 10/27

$342

Thu 11/137:00 amSEA - OSL

2 stops21h 00mLufthansa

Wed 11/2611:50 amOSL - SEA

2 stops42h 04mLufthansa

Deal found 10/27

$461

Wed 11/262:05 pmSEA - OSL

1 stop22h 25mMultiple Airlines

Tue 12/24:25 pmOSL - SEA

1 stop28h 25mMultiple Airlines

Deal found 10/25

$508

One-way flights from Seattle to Oslo Gardermoen
Search for one-way flight options from Seattle to Oslo Gardermoen. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Wed 12/32:35 pmSEA - OSL

1 stop12h 00mIcelandair

Deal found 10/26

$352

Wed 12/33:15 pmSEA - OSL

2 stops37h 40mMultiple Airlines

Deal found 10/26

$362

Sat 11/83:36 pmSEA - OSL

3 stops31h 39mMultiple Airlines

Deal found 10/24

$375

Wed 12/245:02 amSEA - OSL

2 stops27h 38mUnited Airlines

Deal found 10/26

$395

Sat 11/811:30 pmSEA - OSL

2 stops33h 00mUnited Airlines

Deal found 10/24

$427

Sat 11/83:00 pmSEA - OSL

1 stop21h 00mKLM

Deal found 10/24

$468

Wed 12/242:46 pmSEA - OSL

3 stops35h 14mMultiple Airlines

Deal found 10/26

$476

Wed 12/243:05 pmSEA - OSL

1 stop20h 55mKLM

Deal found 10/26

$492

Wed 12/38:40 amSEA - OSL

3 stops23h 50mUnited Airlines

Deal found 10/27

$528

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Thu 12/4

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Mon 12/15

1:10 pm-5:00 pm

1 stop12h 50m

$396

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Mon 4/20

7:00 pm-3:25 pm

1 stop11h 25m

Oslo Gardermoen

Tue 4/28

4:30 pm-8:45 pm

1 stop13h 15m

$419

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 12/3

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Sun 12/7

1:05 pm-5:00 pm

1 stop12h 55m

$419

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Sun 4/19

3:45 pm-12:35 pm

1 stop11h 50m

Oslo Gardermoen

Sun 4/26

1:50 pm-8:45 pm

1 stop15h 55m

$419

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 3/18

3:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Tue 4/7

1:50 pm-5:50 pm

1 stop13h 00m

$420

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Mon 12/29

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Tue 1/13

1:10 pm-5:00 pm

1 stop12h 50m

$434

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 4/22

2:00 pm-5:20 pm

2 stops18h 20m

Oslo Gardermoen

Thu 4/30

1:05 pm-10:16 pm

1 stop18h 11m

$481

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 4/22

2:00 pm-5:20 pm

2 stops18h 20m

Oslo Gardermoen

Wed 4/29

1:05 pm-10:16 pm

1 stop18h 11m

$481

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Tue 4/21

10:55 am-2:55 pm

2 stops19h 00m

Oslo Gardermoen

Thu 4/30

1:05 pm-10:16 pm

1 stop18h 11m

$481

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Tue 3/17

1:40 pm-4:40 pm

2 stops19h 00m

Oslo Gardermoen

Wed 4/8

1:05 pm-10:16 pm

1 stop18h 11m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 17 results

Compare providers for flights from Seattle to Oslo Gardermoen

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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
business-class.com	Price Accuracy3 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 Seattle-Oslo Gardermoen Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Oslo Gardermoen Airport flight deals on Cheapflights vs. eDreams >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 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 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.

Cheapflights Insights

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

Prices

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

To ensure you get the cheapest price possible for a flight from Seattle to Oslo Gardermoen Airport, you should look to book at least 76 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, January is the cheapest month in which you can book a flight from Seattle to Oslo Gardermoen Airport (average of $340). Flying from Seattle to Oslo Gardermoen Airport in June is currently the most expensive (average of $537). 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?

It’s optimal to fly from Seattle to Oslo Gardermoen Airport in the evening. By choosing this option you can save up to 27% 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?

Travelers seeking maximum savings on their Seattle to Oslo Gardermoen Airport flight should consider departing on Saturday mornings 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.

Reviews of airlines servicing Oslo Gardermoen

Peruse reviews from past customers who have flown with Delta, Scandinavian Airlines, and Icelandair from Seattle to Oslo Gardermoen Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Delta

7.9

Good

7,996 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Scandinavian Airlines

7.4

Good

1,543 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Icelandair

7.1

Good

562 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Lufthansa

6.8

Okay

7,532 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

British Airways

6.7

Okay

7,478 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Related info for your journey

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.
How long is the flight from Seattle to Oslo Gardermoen Airport?
For as low as $396, Icelandair can have you in Oslo Gardermoen Airport from Seattle in 12h. Seattle and Oslo Gardermoen Airport are separated by a distance of 4551 mi.
What are the cheapest airlines flying from Seattle to Oslo Gardermoen Airport round-trip?
Currently priced at $403, 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 Delta - these airlines can fly you to your destination from $422 and $468, respectively. Icelandair is 32% 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, January is the cheapest month in which you can book a flight from Seattle to Oslo Gardermoen Airport (average of $340). Flying from Seattle to Oslo Gardermoen Airport in June is currently the most expensive (average of $537). 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

Gardermoen

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Top 10 airlines flying from Seattle to Oslo Gardermoen

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$404	Average$556	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$422	Average$628	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$468	Average$744	FlexibilityNo cancel fee	On-timeN/A
Finnair	Cheapest$491	Average$767	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$494	Average$719	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$517	Average$840	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$524	Average$765	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$551	Average$773	FlexibilityNo cancel fee	On-time76%
Air France	Cheapest$552	Average$590	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$578	Average$673	FlexibilityNo cancel fee	On-time71%

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$342+ Cheap flights from Seattle (SEA) to Oslo Gardermoen (OSL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Oslo Gardermoen 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 Seattle/Tacoma Intl to Oslo Gardermoen are usually found in January or November, booked 76 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Seattle to Oslo Gardermoen

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Oslo Gardermoen

Cheapest flights from Seattle to Oslo GardermoenExplore 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 October 27, 2025.

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 October 27, 2025.

Cheapflights Fare Finder

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

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 October.

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.

Cheapflights Insights

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

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

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

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

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

What’s the top layover airport for flights from Seattle to Oslo Gardermoen Airport?

What’s the fastest layover option from Seattle to Oslo Gardermoen Airport?

What’s the fastest layover option from Seattle to Oslo Gardermoen Airport?

Which airport typically offers the quickest layover for flights from Seattle to Oslo Gardermoen Airport?

Reviews of airlines servicing Oslo Gardermoen

Peruse reviews from past customers who have flown with Delta, Scandinavian Airlines, and Icelandair from Seattle to Oslo Gardermoen Airport to help guide your decision. You can also see how each airline stacks up 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 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.

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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 October 27, 2025.