HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$310+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oslo Gardermoen to Washington with Cheapflights

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:15 amOSL - SEA
2 stops27h 35mUnited Airlines
Wed 12/313:10 pmSEA - OSL
1 stop17h 30mUnited Airlines
Deal found 12/7$723
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:25 amOSL - SEA
1 stop35h 25mDelta
Mon 12/293:05 pmSEA - OSL
1 stop32h 35mDelta
Deal found 12/7$735
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:25 amOSL - SEA
1 stop35h 25mDelta
Wed 12/312:05 pmSEA - OSL
1 stop17h 15mDelta
Deal found 12/7$740
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:25 amOSL - SEA
1 stop35h 25mDelta
Tue 12/3011:00 pmSEA - OSL
2 stops32h 15mDelta
Deal found 12/7$746
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:30 amOSL - SEA
2 stops22h 43mDelta
Mon 12/293:05 pmSEA - OSL
1 stop32h 35mDelta
Deal found 12/7$777
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:50 amOSL - SEA
2 stops42h 10mUnited Airlines
Wed 12/313:10 pmSEA - OSL
1 stop17h 30mUnited Airlines
Deal found 12/7$785
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:30 amOSL - SEA
2 stops24h 53mDelta
Mon 12/293:05 pmSEA - OSL
1 stop32h 35mDelta
Deal found 12/7$788
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:15 amOSL - SEA
3 stops23h 45mUnited Airlines
Tue 12/305:00 amSEA - OSL
2 stops47h 00mUnited Airlines
Deal found 12/7$801
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:15 amOSL - PDX
2 stops40h 05mUnited Airlines
Sat 12/275:00 amPDX - OSL
2 stops27h 40mUnited Airlines
Deal found 12/7$1,431
This Flysmarter deal was found by Cheapflights users on 12/8. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:45 amOSL - PDX
2 stops23h 03mAir Canada
Sat 12/277:30 amPDX - OSL
2 stops25h 10mAir Canada
Deal found 12/8$1,447
This Travelis deal was found by Cheapflights users on 12/8. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:40 pmOSL - PDX
1 stop31h 45mKLM
Sat 12/2712:29 pmPDX - OSL
2 stops17h 01mKLM
Deal found 12/8$1,702
This Flysmarter deal was found by Cheapflights users on 12/8. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:15 amOSL - PDX
3 stops25h 25mMultiple Airlines
Sat 12/273:15 pmPDX - OSL
2 stops41h 25mMultiple Airlines
Deal found 12/8$2,084

Find 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 December 9, 2025.

Round-trip from

$429
(Ticket)

One-way from

$310
(Finnair)

Popular in

March

Cheapest in

May

Average price

$745
From Oslo Gardermoen to Washington
Search Deals
One-way flight from Oslo Gardermoen to Washington
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 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 December 2025
Search Deals

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 December 9, 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 1/25

9:30 pm-5:00 pm

1 stop28h 30m

Seattle/Tacoma Intl

Sat 2/7

2:35 pm-11:35 am

1 stop12h 00m

$429

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 3/5

1:10 pm-5:00 pm

1 stop12h 50m

Seattle/Tacoma Intl

Mon 3/9

3:35 pm-11:35 am

1 stop12h 00m

$486

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 1/25

9:25 am-10:25 pm

2 stops22h 00m

Seattle/Tacoma Intl

Sat 2/7

1:40 pm-4:20 pm

1 stop17h 40m

$499

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 1/25

6:05 am-8:57 pm

2 stops23h 52m

Seattle/Tacoma Intl

Sat 2/7

2:00 pm-1:05 pm

1 stop14h 05m

$523

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 1/25

1:50 pm-8:57 pm

2 stops40h 07m

Seattle/Tacoma Intl

Sat 2/7

10:58 am-10:55 pm

2 stops26h 57m

$524

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 3/5

7:05 am-11:29 pm

2 stops25h 24m

Seattle/Tacoma Intl

Mon 3/9

1:37 pm-10:40 pm

2 stops25h 03m

$533

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 1/25

7:20 am-3:55 pm

1 stop17h 35m

Portland

Mon 2/9

5:45 pm-10:40 pm

1 stop19h 55m

$539

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 1/25

8:30 am-10:38 pm

2 stops23h 08m

Portland

Mon 2/9

5:45 pm-10:40 pm

1 stop19h 55m

$554

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 1/25

11:30 am-8:27 pm

2 stops41h 57m

Portland

Mon 2/9

5:45 pm-10:40 pm

1 stop19h 55m

$582

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 3/12

7:05 am-10:47 am

2 stops35h 42m

Portland

Mon 3/16

11:46 am-6:40 pm

2 stops22h 54m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 26 results
1
2
3

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 $506). 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 December 9, 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.

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 December 9, 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
8,009 reviews

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

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
8,009 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

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
7.4
Good
1,602 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

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
7.0
Good
588 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

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
7,619 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

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.
British Airways
6.7
Okay
7,573 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

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 17h 35m. Icelandair provides one of the quickest options available for as low as $539. Airlines will cover a distance of 4674 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 $359). Flying from Oslo Gardermoen Airport to State of Washington in July is currently the most expensive (average of $506). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oslo Gardermoen to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Oslo Gardermoen to Newark flights
Oslo Gardermoen to John F Kennedy Intl flights
Oslo Gardermoen to LaGuardia flights
Oslo Gardermoen to Boston flights
Sandefjord to John F Kennedy Intl flights
Sandefjord to Newark flights
Sandefjord to Boston flights
Oslo Gardermoen to Miami flights
Oslo Gardermoen to Fort Lauderdale flights
Oslo Gardermoen to West Palm Beach flights
Oslo Gardermoen to Los Angeles flights
Oslo Gardermoen to Orlando flights
Oslo Gardermoen to Hobby flights
Oslo Gardermoen to Dallas/Fort Worth flights
Oslo Gardermoen to Tampa flights
Oslo Gardermoen to Baltimore flights
Oslo Gardermoen to Dulles Intl flights
Oslo Gardermoen to San Francisco flights
Oslo Gardermoen to O'Hare Intl flights
Oslo Gardermoen to George Bush Intcntl flights
Sandefjord to Los Angeles flights
Oslo Gardermoen to Reagan-National flights
Oslo Gardermoen to Minneapolis flights
Oslo Gardermoen to Denver flights
Oslo Gardermoen to San Antonio flights
Oslo Gardermoen to Las Vegas flights
Oslo Gardermoen to Seattle flights
Oslo Gardermoen to Philadelphia flights
Oslo Gardermoen to Oakland flights
Sandefjord to Dulles Intl flights
Sandefjord to Orlando flights
Oslo Gardermoen to San Diego flights
Oslo Gardermoen to Sky Harbor Intl flights
Oslo Gardermoen to Charlotte flights
Oslo Gardermoen to Honolulu flights
Oslo Gardermoen to Nashville flights
Oslo Gardermoen to Oklahoma City flights
Sandefjord to Seattle flights
Sandefjord to George Bush Intcntl flights
Sandefjord to San Francisco flights

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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$395Average$616FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$436Average$539FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$442Average$620FlexibilityNo cancel feeOn-time70%
DeltaCheapest$452Average$480FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$603Average$703FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.