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$286+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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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 November 18, 2025.

This Ticket deal was found by Cheapflights users on 11/18. 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 11/271:10 pmOSL - SEA
1 stop12h 50mIcelandair
Wed 12/102:35 pmSEA - OSL
1 stop12h 00mIcelandair
Deal found 11/18$444
This Travelis deal was found by Cheapflights users on 11/17. 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.
Mon 11/247:00 pmOSL - SEA
1 stop25h 45mKLM
Sun 12/73:05 pmSEA - OSL
1 stop32h 35mKLM
Deal found 11/17$478
This Delta deal was found by Cheapflights users on 11/17. 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.
Mon 11/246:30 amOSL - SEA
1 stop14h 15mDelta
Sun 12/76:00 amSEA - OSL
2 stops17h 40mDelta
Deal found 11/17$507
This Ticket deal was found by Cheapflights users on 11/18. 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 11/276:30 amOSL - SEA
1 stop14h 15mKLM
Wed 12/107:20 amSEA - OSL
2 stops16h 20mKLM
Deal found 11/18$597
This Flysmarter deal was found by Cheapflights users on 11/18. 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 11/276:30 amOSL - SEA
2 stops19h 40mMultiple Airlines
Wed 12/106:00 amSEA - OSL
2 stops17h 40mMultiple Airlines
Deal found 11/18$607
This Delta deal was found by Cheapflights users on 11/18. 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 11/276:30 amOSL - SEA
2 stops26h 29mDelta
Wed 12/107:20 amSEA - OSL
2 stops16h 20mDelta
Deal found 11/18$613
This Delta deal was found by Cheapflights users on 11/17. 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.
Wed 12/176:30 amOSL - SEA
2 stops18h 51mDelta
Wed 12/312:05 pmSEA - OSL
1 stop17h 15mDelta
Deal found 11/17$755
This Gotogate deal was found by Cheapflights users on 11/17. 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.
Wed 12/171:10 pmOSL - SEA
1 stop12h 50mMultiple Airlines
Wed 12/313:10 pmSEA - OSL
1 stop17h 30mMultiple Airlines
Deal found 11/17$845
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:55 amOSL - SEA
3 stops18h 45mMultiple Airlines
Sun 12/73:10 pmSEA - OSL
2 stops20h 40mMultiple Airlines
Deal found 11/17$1,022
This United Airlines deal was found by Cheapflights users on 11/15. 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 12/191:45 pmOSL - PDX
2 stops62h 58mUnited Airlines
Sat 1/107:51 pmPDX - OSL
2 stops42h 39mUnited Airlines
Deal found 11/15$1,104
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Wed 12/1711:50 amOSL - PDX
2 stops21h 51mUnited Airlines
Sat 1/32:35 pmPDX - OSL
2 stops42h 05mUnited Airlines
Deal found 11/17$1,142
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:10 pmOSL - PDX
1 stop12h 50mMultiple Airlines
Sat 1/312:54 pmPDX - OSL
2 stops34h 51mMultiple Airlines
Deal found 11/17$1,247

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 November 18, 2025.

Round-trip from

$462
(Delta)

One-way from

$286
(Mytrip)

Popular in

July

Cheapest in

May

Average price

$493
From Oslo Gardermoen to Washington
Search Deals
One-way flight from Oslo Gardermoen to Washington
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 18, 2025.
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

Mon 1/12

9:25 am-10:25 pm

2 stops22h 00m

Seattle/Tacoma Intl

Mon 1/26

8:00 am-1:50 pm

2 stops20h 50m

$462

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 1/12

11:35 am-11:30 am

1 stop32h 55m

Seattle/Tacoma Intl

Mon 1/26

2:04 pm-10:55 am

2 stops35h 51m

$501

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 3/26

6:25 pm-1:10 pm

1 stop26h 45m

Seattle/Tacoma Intl

Mon 3/30

3:40 pm-10:10 pm

2 stops21h 30m

$525

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 3/26

1:45 pm-1:10 pm

1 stop31h 25m

Seattle/Tacoma Intl

Mon 3/30

7:00 am-6:10 pm

2 stops26h 10m

$527

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/26

3:05 pm-3:55 pm

1 stop33h 50m

Portland

Mon 3/2

5:45 pm-10:55 am

1 stop32h 10m

$555

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/26

6:15 am-10:40 pm

2 stops25h 25m

Portland

Mon 3/2

1:18 pm-3:20 pm

2 stops17h 02m

$561

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/26

7:05 am-9:48 pm

2 stops23h 43m

Portland

Mon 3/2

5:45 pm-6:40 pm

1 stop15h 55m

$561

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 1/12

2:05 pm-9:12 pm

3 stops40h 07m

Seattle/Tacoma Intl

Mon 1/26

10:58 am-12:55 pm

2 stops16h 57m

$681

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 12/17

6:30 am-4:21 pm

2 stops18h 51m

Seattle/Tacoma Intl

Wed 12/31

2:05 pm-4:20 pm

1 stop17h 15m

$755

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Fri 12/19

1:45 pm-6:48 pm

3 stops62h 03m

Portland

Sat 1/10

1:24 pm-11:30 pm

3 stops49h 06m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 26 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, November is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to State of Washington (average of $356). Flying from Oslo Gardermoen Airport to State of Washington in July is currently the most expensive (average of $492). 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 WA?

Find hourly flight availability from Oslo Gardermoen to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Oslo Gardermoen Airport to State of Washington in the evening. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight at noon.

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 November 18, 2025.
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
8,003 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

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
8,003 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

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
7.4
Good
1,583 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

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
7.0
Good
580 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

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
7,576 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

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.
British Airways
6.7
Okay
7,532 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

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 22h. Delta provides one of the quickest options available for as low as $462. Airlines will cover a distance of 4551 mi. This flight may include one or multiple stops.

  • 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, November is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to State of Washington (average of $356). Flying from Oslo Gardermoen Airport to State of Washington in July is currently the most expensive (average of $492). 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 Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Oslo Gardermoen to Washington

Discover the top 5 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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$362Average$600FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$399Average$607FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$423Average$532FlexibilityNo cancel feeOn-time76%
DeltaCheapest$452Average$525FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$603Average$703FlexibilityNo cancel feeOn-time77%

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