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$279+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
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 October 22, 2025.

This Delta deal was found by Cheapflights users on 10/21. 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 12/86:30 amOSL - SEA
1 stop14h 20mDelta
Wed 12/244:48 pmSEA - OSL
1 stop17h 02mDelta
Deal found 10/21$497
This Travelis deal was found by Cheapflights users on 10/21. 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.
Fri 12/267:10 amOSL - SEA
1 stop18h 45mBritish Airways
Sat 1/106:50 pmSEA - OSL
1 stop19h 10mBritish Airways
Deal found 10/21$501
This Air France deal was found by Cheapflights users on 10/20. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:00 pmOSL - SEA
1 stop27h 45mMultiple Airlines
Sat 11/291:40 pmSEA - OSL
1 stop17h 40mMultiple Airlines
Deal found 10/20$503
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/56:15 amOSL - SEA
1 stop14h 55mUnited Airlines
Fri 12/128:10 amSEA - OSL
2 stops24h 30mUnited Airlines
Deal found 10/20$516
This Finnair deal was found by Cheapflights users on 10/21. 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.
Fri 12/58:15 amOSL - SEA
2 stops19h 40mFinnair
Fri 12/128:30 amSEA - OSL
2 stops23h 05mFinnair
Deal found 10/21$533
This Delta deal was found by Cheapflights users on 10/20. 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.
Sat 11/89:25 amOSL - SEA
2 stops21h 38mDelta
Sat 11/291:40 pmSEA - OSL
1 stop17h 40mDelta
Deal found 10/20$538
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/97:20 amOSL - PDX
2 stops22h 55mAmerican Airlines
Mon 11/245:45 pmPDX - OSL
1 stop35h 25mAmerican Airlines
Deal found 10/20$540
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Sun 11/96:05 amOSL - PDX
2 stops25h 46mUnited Airlines
Mon 11/245:00 amPDX - OSL
2 stops27h 40mUnited Airlines
Deal found 10/20$566
This Delta deal was found by Cheapflights users on 10/20. 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.
Fri 11/146:30 amOSL - SEA
2 stops21h 11mDelta
Thu 11/272:02 pmSEA - OSL
2 stops17h 13mDelta
Deal found 10/20$567
This Finnair deal was found by Cheapflights users on 10/21. 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.
Fri 11/76:25 amOSL - PDX
2 stops21h 44mMultiple Airlines
Fri 11/145:45 pmPDX - OSL
1 stop14h 45mMultiple Airlines
Deal found 10/21$571
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/76:15 amOSL - PDX
2 stops25h 21mUnited Airlines
Fri 11/146:00 amPDX - OSL
2 stops24h 40mUnited Airlines
Deal found 10/21$576
This lol.travel deal was found by Cheapflights users on 10/21. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:25 amOSL - PDX
2 stops21h 45mFinnair
Fri 12/127:38 amPDX - OSL
2 stops27h 32mFinnair
Deal found 10/21$581

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 October 22, 2025.

Round-trip from

$437
(Ticket)

One-way from

$279
(Finnair)

Popular in

July

Cheapest in

November

Average price

$566
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 ($103 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 October 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 October 22, 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

Sat 1/17

6:30 am-5:00 pm

2 stops19h 30m

Seattle/Tacoma Intl

Sun 1/25

3:10 pm-10:30 pm

1 stop22h 20m

$441

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 1/17

8:45 am-7:18 pm

2 stops19h 33m

Seattle/Tacoma Intl

Sun 1/25

8:00 am-1:45 pm

2 stops20h 45m

$465

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 12/8

6:30 am-11:50 am

1 stop14h 20m

Seattle/Tacoma Intl

Wed 12/24

4:48 pm-6:50 pm

1 stop17h 02m

$497

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 11/8

5:00 pm-11:45 am

1 stop27h 45m

Seattle/Tacoma Intl

Sat 11/29

1:40 pm-4:20 pm

1 stop17h 40m

$503

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 12/5

6:15 am-12:10 pm

1 stop14h 55m

Seattle/Tacoma Intl

Fri 12/12

8:10 am-5:40 pm

2 stops24h 30m

$516

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 12/26

7:10 am-4:55 pm

1 stop18h 45m

Seattle/Tacoma Intl

Sat 1/10

6:50 pm-1:45 pm

1 stop33h 55m

$523

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-10:10 pm

2 stops27h 00m

$527

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 12/5

8:15 am-6:55 pm

2 stops19h 40m

Seattle/Tacoma Intl

Fri 12/12

8:30 am-4:35 pm

2 stops23h 05m

$533

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/26

7:05 am-8:24 pm

2 stops22h 19m

Portland

Mon 3/2

5:45 pm-2:10 pm

1 stop35h 25m

$539

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 11/9

11:30 am-11:09 am

2 stops32h 39m

Portland

Mon 11/24

1:26 pm-10:55 am

2 stops36h 29m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 29 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 $499). 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 October 22, 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 October 22, 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
7,978 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,978 reviews
Delta
7.9
Good
7,978 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Scandinavian Airlines
7.4
Good
1,535 reviews
Delta
7.9
Good
7,978 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Icelandair
7.0
Good
560 reviews
Delta
7.9
Good
7,978 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Lufthansa
6.8
Okay
7,509 reviews
Delta
7.9
Good
7,978 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
British Airways
6.7
Okay
7,464 reviews
Delta
7.9
Good
7,978 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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 20m. KLM provides one of the quickest options available for as low as $497. 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 $499). 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 6 airlines flying from Oslo Gardermoen to Washington

Discover the top 6 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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$362Average$600FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$399Average$594FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$416Average$490FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$423Average$558FlexibilityNo cancel feeOn-time76%
DeltaCheapest$452Average$525FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$603Average$703FlexibilityNo cancel feeOn-time77%

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