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$289+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 6, 2025.

This Ticket deal was found by Cheapflights users on 11/5. 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.
Sun 11/239:30 pmOSL - SEA
1 stop28h 30mIcelandair
Sat 12/62:35 pmSEA - OSL
1 stop21h 00mIcelandair
Deal found 11/5$434
This Travelis deal was found by Cheapflights users on 11/4. 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 11/236:30 amOSL - SEA
1 stop14h 15mKLM
Sat 12/63:05 pmSEA - OSL
1 stop22h 25mKLM
Deal found 11/4$486
This Ticket deal was found by Cheapflights users on 11/4. 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 11/239:30 pmOSL - PDX
1 stop28h 30mIcelandair
Mon 12/82:45 pmPDX - OSL
1 stop11h 50mIcelandair
Deal found 11/4$496
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:30 amOSL - SEA
1 stop14h 15mDelta
Sat 12/611:26 amSEA - OSL
2 stops19h 54mDelta
Deal found 11/5$498
This Travelis deal was found by Cheapflights users on 11/4. 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 11/236:05 amOSL - SEA
2 stops22h 11mAir Canada
Sat 12/68:00 pmSEA - OSL
2 stops32h 05mAir Canada
Deal found 11/4$508
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Sat 11/87:10 amOSL - SEA
2 stops24h 10mAmerican Airlines
Sun 1/256:50 pmSEA - OSL
1 stop18h 50mAmerican Airlines
Deal found 11/4$509
This Travelis deal was found by Cheapflights users on 11/4. 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 11/239:35 amOSL - PDX
2 stops23h 51mLufthansa
Mon 12/87:00 amPDX - OSL
2 stops20h 55mLufthansa
Deal found 11/4$515
This Flysmarter deal was found by Cheapflights users on 11/4. 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.
Sun 11/236:05 amOSL - SEA
2 stops25h 01mMultiple Airlines
Sat 12/68:00 pmSEA - OSL
2 stops36h 40mMultiple Airlines
Deal found 11/4$535
This American Airlines deal was found by Cheapflights users on 11/6. 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.
Sun 11/2311:30 amOSL - PDX
2 stops22h 20mAmerican Airlines
Mon 12/85:45 pmPDX - OSL
1 stop35h 25mAmerican Airlines
Deal found 11/6$556
This Ticket deal was found by Cheapflights users on 11/4. 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 11/236:30 amOSL - PDX
2 stops18h 03mKLM
Mon 12/81:25 pmPDX - OSL
1 stop34h 15mKLM
Deal found 11/4$570
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:35 amOSL - PDX
3 stops32h 40mMultiple Airlines
Mon 12/83:15 pmPDX - OSL
2 stops20h 25mMultiple Airlines
Deal found 11/4$723
This AirNGo deal was found by Cheapflights users on 11/4. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:20 amOSL - PDX
2 stops20h 50mBritish Airways
Mon 12/81:28 pmPDX - OSL
2 stops24h 12mBritish Airways
Deal found 11/4$744

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 6, 2025.

Round-trip from

$434
(Ticket)

One-way from

$289
(Booking.com)

Popular in

July

Cheapest in

November

Average price

$469
From Oslo Gardermoen to Washington
Search Deals
One-way flight from Oslo Gardermoen to Washington
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($104 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 6, 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

Sun 11/23

9:30 pm-5:00 pm

1 stop28h 30m

Seattle/Tacoma Intl

Sat 12/6

2:35 pm-8:35 pm

1 stop21h 00m

$434

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 3/27

6:15 am-1:10 pm

1 stop14h 55m

Seattle/Tacoma Intl

Mon 4/6

2:10 pm-3:50 pm

1 stop16h 40m

$460

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 3/28

5:00 pm-3:50 pm

1 stop30h 50m

Seattle/Tacoma Intl

Mon 4/6

5:35 pm-6:35 pm

1 stop16h 00m

$480

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 3/28

5:00 pm-3:50 pm

1 stop30h 50m

Seattle/Tacoma Intl

Tue 4/7

5:35 pm-4:20 pm

1 stop13h 45m

$483

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 11/23

6:30 am-11:45 am

1 stop14h 15m

Seattle/Tacoma Intl

Sat 12/6

3:05 pm-10:30 pm

1 stop22h 25m

$486

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 11/23

9:30 pm-5:00 pm

1 stop28h 30m

Portland

Mon 12/8

2:45 pm-11:35 am

1 stop11h 50m

$496

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 11/23

6:30 am-11:45 am

1 stop14h 15m

Seattle/Tacoma Intl

Sat 12/6

11:26 am-4:20 pm

2 stops19h 54m

$498

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 3/26

1:10 pm-6:00 pm

1 stop12h 50m

Seattle/Tacoma Intl

Mon 3/30

7:00 pm-3:25 pm

1 stop11h 25m

$506

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 3/26

6:25 pm-2:20 pm

1 stop27h 55m

Seattle/Tacoma Intl

Mon 3/30

10:10 am-6:00 pm

2 stops22h 50m

$514

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 11/23

9:35 am-12:26 am

2 stops23h 51m

Portland

Mon 12/8

7:00 am-12:55 pm

2 stops20h 55m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 30 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 $359). Flying from Oslo Gardermoen Airport to State of Washington in July is currently the most expensive (average of $500). 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 6, 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 6, 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
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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
8,001 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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
1,561 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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
571 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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
7,558 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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
7,500 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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 14h 55m. Icelandair provides one of the quickest options available for as low as $460. 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, February is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to State of Washington (average of $359). Flying from Oslo Gardermoen Airport to State of Washington in July is currently the most expensive (average of $500). 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 6, 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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