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$304+ Cheap flights from Oslo Gardermoen (OSL) to Washington

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Oslo Gardermoen to Washington

Keep the following information in mind while searching for Oslo Gardermoen to Washington flight deals. Data was last updated January 8, 2026.

Round-trip from

$392
(Icelandair)

One-way from

$304
(American Airlines)

Popular in

March

Cheapest in

May

Average price

$596
From Oslo Gardermoen to Washington
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One-way flight from Oslo Gardermoen to Washington
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Oslo Gardermoen to Washington

Cheapest flights from Oslo Gardermoen to Washington
Explore the most affordable flight options available from Oslo Gardermoen to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Icelandair deal was found by Cheapflights users on 1/7. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:50 pmOSL - SEA
1 stop15h 50mIcelandair
Sun 4/263:40 pmSEA - OSL
1 stop11h 55mIcelandair
Deal found 1/7$392
This Ticket deal was found by Cheapflights users on 1/5. 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.
Mon 2/97:20 amOSL - PDX
1 stop17h 35mBritish Airways
Sun 2/225:45 pmPDX - OSL
1 stop32h 10mBritish Airways
Deal found 1/5$436
This Travelis deal was found by Cheapflights users on 1/7. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:30 pmOSL - SEA
1 stop28h 30mIcelandair
Mon 2/162:35 pmSEA - OSL
1 stop12h 00mIcelandair
Deal found 1/7$449
This Ticket deal was found by Cheapflights users on 1/7. 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.
Sun 2/19:35 amOSL - SEA
2 stops22h 08mLufthansa
Mon 2/167:00 amSEA - OSL
2 stops25h 30mLufthansa
Deal found 1/7$472
This Travelis deal was found by Cheapflights users on 1/7. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/159:25 amOSL - SEA
1 stop35h 25mMultiple Airlines
Wed 2/112:15 pmSEA - OSL
1 stop24h 20mMultiple Airlines
Deal found 1/7$475
This Finnair deal was found by Cheapflights users on 1/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/298:45 amOSL - PDX
2 stops22h 53mMultiple Airlines
Sun 3/86:45 pmPDX - OSL
1 stop19h 55mMultiple Airlines
Deal found 1/8$487
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Wed 4/2211:35 amOSL - SEA
1 stop33h 00mAmerican Airlines
Sun 4/2611:55 pmSEA - OSL
2 stops25h 30mAmerican Airlines
Deal found 1/6$490
This British Airways deal was found by Cheapflights users on 1/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:10 pmOSL - SEA
1 stop27h 25mBritish Airways
Sun 4/261:29 pmSEA - OSL
2 stops36h 01mBritish Airways
Deal found 1/7$491
This British Airways deal was found by Cheapflights users on 1/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:35 amOSL - PDX
1 stop15h 05mBritish Airways
Sun 4/266:22 amPDX - OSL
2 stops43h 03mBritish Airways
Deal found 1/5$492
This Finnair deal was found by Cheapflights users on 1/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/298:50 pmOSL - PDX
2 stops31h 01mFinnair
Sun 3/86:45 pmPDX - OSL
2 stops29h 15mFinnair
Deal found 1/8$494
This British Airways deal was found by Cheapflights users on 1/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/286:55 amOSL - PDX
2 stops22h 32mBritish Airways
Sun 3/86:40 amPDX - OSL
2 stops32h 00mBritish Airways
Deal found 1/8$495
This British Airways deal was found by Cheapflights users on 1/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:20 amOSL - PDX
2 stops44h 31mBritish Airways
Sun 3/812:04 pmPDX - OSL
2 stops38h 51mBritish Airways
Deal found 1/8$496

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen to Washington 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 January 8, 2026.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Washington that are best for you.

Fly from

Oslo Gardermoen

Fly to

Washington

Route

Depart

Return

Price

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 4/22

1:50 pm-8:40 pm

1 stop15h 50m

Seattle/Tacoma Intl

Sun 4/26

3:40 pm-12:35 pm

1 stop11h 55m

$392

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 2/9

7:20 am-3:55 pm

1 stop17h 35m

Portland

Sun 2/22

5:45 pm-10:55 am

1 stop32h 10m

$436

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 4/22

11:35 am-6:25 pm

1 stop15h 50m

Seattle/Tacoma Intl

Sun 4/26

8:20 pm-10:25 am

1 stop29h 05m

$490

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 4/22

11:35 am-5:40 pm

1 stop15h 05m

Portland

Sun 4/26

6:22 am-10:30 am

2 stops43h 08m

$491

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 4/22

5:10 pm-11:35 am

1 stop27h 25m

Seattle/Tacoma Intl

Sun 4/26

1:29 pm-10:30 am

2 stops36h 01m

$491

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 2/9

7:20 am-11:46 pm

2 stops25h 26m

Portland

Sun 2/22

11:48 am-10:55 am

2 stops38h 07m

$494

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Tue 6/16

7:30 pm-5:40 pm

1 stop31h 10m

Portland

Sat 6/27

7:30 pm-10:40 am

1 stop30h 10m

$494

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 1/28

6:55 am-8:27 pm

2 stops22h 32m

Portland

Thu 3/5

5:40 am-11:35 pm

2 stops32h 55m

$495

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 1/28

6:55 am-8:27 pm

2 stops22h 32m

Portland

Sun 3/8

6:40 am-10:40 pm

2 stops32h 00m

$495

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 2/1

7:20 am-8:22 pm

2 stops22h 02m

Portland

Fri 3/6

5:45 pm-10:10 pm

1 stop19h 25m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 39 results
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Best time to book a flight from Oslo Gardermoen to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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 Washington

What is the cheapest month to book a flight from Oslo Gardermoen Airport to State of Washington?

Currently, February is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to State of Washington (average of $358). Flying from Oslo Gardermoen Airport to State of Washington in July is currently the most expensive (average of $510). 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.

How much does it cost to fly round-trip from Oslo Gardermoen Airport to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated January 8, 2026.
Peruse reviews from past customers who have flown with Delta, Scandinavian Airlines, and Icelandair from Oslo Gardermoen Airport to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,032 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
8,032 reviews
Delta
7.9
Good
8,032 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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.
Scandinavian Airlines
7.3
Good
1,637 reviews
Delta
7.9
Good
8,032 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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.
Icelandair
7.1
Good
593 reviews
Delta
7.9
Good
8,032 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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.
Lufthansa
6.8
Okay
7,698 reviews
Delta
7.9
Good
8,032 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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.

Related info for your journey

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

  • How long is the flight from Oslo Gardermoen Airport to State of Washington?

    A quick flight from Oslo Gardermoen Airport to State of Washington can take about 15h 50m. Icelandair provides one of the quickest options available for as low as $392. Airlines will cover a distance of 4551 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Oslo Gardermoen Airport to State of Washington are Scandinavian Airlines ($251), American Airlines ($275), and Finnair ($303).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to Washington 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 State of Washington?

    Currently, February is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to State of Washington (average of $358). Flying from Oslo Gardermoen Airport to State of Washington in July is currently the most expensive (average of $510). 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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Alternative routes for Oslo Gardermoen to Washington

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Top 4 airlines flying from Oslo Gardermoen to Washington

Discover the top 4 airlines that operate flights from Oslo Gardermoen to Washington. 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$395Average$649FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$436Average$539FlexibilityNo cancel feeOn-time76%
DeltaCheapest$452Average$480FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$603Average$703FlexibilityNo cancel feeOn-time77%

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