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$290+ Cheap flights from Oslo Gardermoen (OSL) to Washington, D.C. (WAS)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — WAS
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Oslo Gardermoen to Washington, D.C. are usually found in September or November, booked 42 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap flight deals from Oslo Gardermoen to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$364
(Ticket)

One-way from

$290
(PLAY)

Popular in

July

Cheapest in

September

Average price

$525
Provider with most accurate pricing for Oslo Gardermoen-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Oslo Gardermoen-Washington, D.C. (WAS) flights.
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From Oslo Gardermoen to Washington, D.C. (WAS)
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One-way flight from Oslo Gardermoen to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 14% potential increase in price ($86 potential increase over avg. RT price).
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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 2025
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Find flight deals from Oslo Gardermoen to Washington, D.C.

Cheapest flights from Oslo Gardermoen to Washington, D.C.
Explore the most affordable flight options available from Oslo Gardermoen to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/99:30 pmOSL - BWI
1 stop27h 00mIcelandair
Mon 2/247:30 pmBWI - OSL
1 stop10h 05mIcelandair
Deal found 1/21$364
This Ticket deal was found by Cheapflights users on 1/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/912:40 pmOSL - IAD
1 stop33h 05mKLM
Mon 2/245:35 pmIAD - OSL
1 stop12h 20mKLM
Deal found 1/20$369
This Ticket deal was found by Cheapflights users on 1/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/99:20 amOSL - BWI
2 stops19h 45mKLM
Mon 2/2412:00 pmBWI - OSL
2 stops14h 35mKLM
Deal found 1/20$370
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/912:40 pmOSL - IAD
1 stop33h 05mMultiple Airlines
Tue 2/256:40 pmIAD - OSL
1 stop22h 55mMultiple Airlines
Deal found 1/21$371
This Travelis deal was found by Cheapflights users on 1/20. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/56:50 amOSL - DCA
2 stops18h 24mBritish Airways
Sun 2/95:49 pmDCA - OSL
2 stops13h 56mBritish Airways
Deal found 1/20$382
This Travelis deal was found by Cheapflights users on 1/21. 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.
Sun 2/911:25 amOSL - BWI
1 stop13h 20mBritish Airways
Tue 2/255:28 pmBWI - OSL
2 stops14h 47mBritish Airways
Deal found 1/21$383
This Ticket deal was found by Cheapflights users on 1/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/98:50 pmOSL - BWI
2 stops50h 05mFinnair
Mon 2/248:30 pmBWI - OSL
1 stop20h 10mFinnair
Deal found 1/20$385
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/97:15 amOSL - IAD
1 stop14h 20mBritish Airways
Tue 2/255:26 pmIAD - OSL
2 stops14h 49mBritish Airways
Deal found 1/21$387
This Finnair deal was found by Cheapflights users on 1/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/97:15 amOSL - IAD
1 stop18h 30mFinnair
Mon 2/246:00 pmIAD - OSL
1 stop22h 40mFinnair
Deal found 1/20$406
This Delta deal was found by Cheapflights users on 1/20. 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.
Wed 3/199:20 amOSL - IAD
1 stop12h 25mDelta
Wed 3/267:59 pmIAD - OSL
2 stops17h 51mDelta
Deal found 1/20$408
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/97:15 amOSL - IAD
1 stop18h 30mAmerican Airlines
Mon 2/246:00 pmIAD - OSL
1 stop10h 55mAmerican Airlines
Deal found 1/20$413
This Delta deal was found by Cheapflights users on 1/20. 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.
Sun 2/96:30 amOSL - DCA
2 stops18h 48mDelta
Mon 2/245:00 pmDCA - OSL
2 stops17h 25mDelta
Deal found 1/20$417

Find flights from Oslo Gardermoen to Washington, D.C. within your budget

Customize your flight search to find flights from Oslo Gardermoen to Washington, D.C. 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 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 2/9

9:30 pm-6:30 pm

1 stop27h 00m

Baltimore/Washington

Mon 2/24

7:30 pm-11:35 am

1 stop10h 05m

$364

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

12:40 pm-3:45 pm

1 stop33h 05m

Washington, D.C. Dulles Intl

Mon 2/24

5:35 pm-11:55 am

1 stop12h 20m

$369

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 2/9

9:20 am-11:05 pm

2 stops19h 45m

Baltimore/Washington

Mon 2/24

12:00 pm-8:35 am

2 stops14h 35m

$370

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

12:40 pm-3:45 pm

1 stop33h 05m

Washington, D.C. Dulles Intl

Tue 2/25

6:40 pm-11:35 pm

1 stop22h 55m

$371

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 2/5

6:50 am-7:14 pm

2 stops18h 24m

Washington, D.C. Reagan-National

Sun 2/9

5:49 pm-1:45 pm

2 stops13h 56m

$382

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 2/9

11:25 am-6:45 pm

1 stop13h 20m

Baltimore/Washington

Tue 2/25

5:28 pm-2:15 pm

2 stops14h 47m

$383

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 2/9

8:50 pm-4:55 pm

2 stops50h 05m

Baltimore/Washington

Mon 2/24

8:30 pm-10:40 pm

1 stop20h 10m

$385

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

7:15 am-3:35 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Tue 2/25

5:26 pm-2:15 pm

2 stops14h 49m

$387

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

7:15 am-7:45 pm

1 stop18h 30m

Washington, D.C. Dulles Intl

Mon 2/24

6:00 pm-10:40 pm

1 stop22h 40m

$406

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 3/19

9:20 am-4:45 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Wed 3/26

7:59 pm-6:50 pm

2 stops17h 51m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 45 results
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Compare providers for flights from Oslo Gardermoen to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oslo Gardermoen to Washington, D.C. in January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Oslo Gardermoen Airport-Washington, D.C. flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Oslo Gardermoen Airport-Washington, D.C. flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oslo Gardermoen Airport-Washington, D.C. flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oslo Gardermoen Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Oslo Gardermoen to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Travel insights for flights from Oslo Gardermoen to Washington, D.C.

Get recent, data-driven insights about flights from Oslo Gardermoen to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Oslo Gardermoen Airport to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Oslo Gardermoen to Washington, D.C.. Price data was last updated on January 17, 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo Gardermoen Airport to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. (average of $241). Flying from Oslo Gardermoen Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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 WAS?

Find hourly flight availability from Oslo Gardermoen to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

It’s optimal to fly from Oslo Gardermoen Airport to Washington, D.C. in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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, D.C.. Reviews last updated January 21, 2025.
Read reviews from past customers who have flown Icelandair, British Airways and American Airlines from Oslo to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What are the cheapest airlines flying from Oslo Gardermoen Airport to Washington, D.C. round-trip?

    Our cheapest airline available from Oslo Gardermoen Airport to Washington, D.C. is Icelandair. Our recent data shows that you can find tickets from as low as $364 on this airline. Additional options worth looking into are KLM and British Airways, starting at $369 and $382 round-trip. Users have found that Icelandair is 28% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Oslo Gardermoen Airport to Washington, D.C. one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $325. TAP AIR PORTUGAL flights start at $439 while deals on Finnair start at $444 one-way.

  • What are the most popular routes from Oslo Gardermoen Airport to Washington, D.C.?

    While some choose either Oslo Gardermoen - Baltimore/Washington or Oslo Gardermoen - Washington, D.C. Reagan-National, Oslo Gardermoen - Washington, D.C. Dulles Intl is the most popular route from Oslo Gardermoen Airport to Washington, D.C..

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

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

  • How can I find direct flights from Oslo Gardermoen to Washington, D.C.?

    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, D.C..

  • Can I find deals for business class flights from Oslo Gardermoen to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to Washington, D.C. 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 Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. (average of $241). Flying from Oslo Gardermoen Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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

Traveling to a place near Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston
National Harbor

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Alternative routes for Oslo Gardermoen to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Oslo Gardermoen to Dulles Intl flights
Oslo Gardermoen to Reagan-National flights
Sandefjord to Dulles Intl flights

Top 5 airlines flying from Oslo Gardermoen to Washington, D.C.

Discover the top 5 airlines that operate flights from Oslo Gardermoen to Washington, D.C.. 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$319Average$567FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$407Average$568FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$433Average$677FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$458Average$582FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$490Average$661FlexibilityNo cancel feeOn-time69%
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