Washington, D.C.

$375+ Cheap flights from Oslo Gardermoen (OSL) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — WAS
Feb 25 — Mar 41
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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 February 20, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$375
(Ticket)

Popular in

July

Cheapest in

September

Average price

$444
Provider with most accurate pricing for Oslo Gardermoen-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Oslo Gardermoen-Washington, D.C. (WAS) flights.
From Oslo Gardermoen to Washington, D.C. (WAS)
Highest demand for flights based on searches. 15% potential increase in price ($94 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 20, 2025.

This Ticket deal was found by Cheapflights users on 2/20. 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.
Tue 4/11:50 pmOSL - BWI
1 stop11h 35mIcelandair
Mon 4/78:30 pmBWI - OSL
1 stop10h 05mIcelandair
Deal found 2/20$375
This Ticket deal was found by Cheapflights users on 2/20. 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 3/27:15 amOSL - BWI
1 stop17h 30mMultiple Airlines
Sun 3/169:30 pmBWI - OSL
1 stop20h 10mMultiple Airlines
Deal found 2/20$376
This Ticket deal was found by Cheapflights users on 2/20. 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 3/27:15 amOSL - BWI
1 stop17h 30mFinnair
Sun 3/169:30 pmBWI - OSL
2 stops14h 05mFinnair
Deal found 2/20$377
This Ticket deal was found by Cheapflights users on 2/19. 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.
Sat 3/16:30 amOSL - IAD
1 stop15h 15mMultiple Airlines
Sun 3/167:30 pmIAD - OSL
1 stop15h 55mMultiple Airlines
Deal found 2/19$382
This Travelis deal was found by Cheapflights users on 2/20. 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.
Fri 3/216:30 amOSL - IAD
1 stop15h 15mKLM
Thu 4/35:25 pmIAD - OSL
1 stop23h 10mKLM
Deal found 2/20$389
This Ticket deal was found by Cheapflights users on 2/20. 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.
Sat 5/35:10 pmOSL - BWI
1 stop32h 25mBritish Airways
Sat 5/109:20 pmBWI - OSL
1 stop31h 15mBritish Airways
Deal found 2/20$392
This Travelis deal was found by Cheapflights users on 2/20. 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.
Sun 3/29:30 pmOSL - IAD
1 stop26h 55mIcelandair
Sun 3/168:40 pmIAD - OSL
1 stop9h 55mIcelandair
Deal found 2/20$394
This Travelis deal was found by Cheapflights users on 2/19. 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 3/27:15 amOSL - IAD
2 stops16h 46mBritish Airways
Mon 3/1710:55 pmIAD - OSL
1 stop18h 45mBritish Airways
Deal found 2/19$415
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:45 amOSL - DCA
2 stops16h 14mBritish Airways
Mon 4/711:40 amDCA - OSL
2 stops16h 45mBritish Airways
Deal found 2/20$428
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/27:15 amOSL - IAD
1 stop18h 30mAmerican Airlines
Sun 3/167:00 pmIAD - OSL
2 stops16h 35mAmerican Airlines
Deal found 2/20$430
This Delta deal was found by Cheapflights users on 2/20. 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 3/219:20 amOSL - IAD
1 stop12h 25mDelta
Thu 4/31:35 pmIAD - OSL
2 stops15h 30mDelta
Deal found 2/20$432
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/27:15 amOSL - BWI
2 stops20h 24mAmerican Airlines
Sun 3/169:30 pmBWI - OSL
2 stops14h 05mAmerican Airlines
Deal found 2/20$436

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 February 20, 2025.

Fly from

Oslo Gardermoen

Fly to

Washington, D.C.

Route

Depart

Return

Price

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Tue 4/1

1:50 pm-7:25 pm

1 stop11h 35m

Baltimore/Washington

Mon 4/7

8:30 pm-12:35 pm

1 stop10h 05m

$375

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 3/2

7:15 am-6:45 pm

1 stop17h 30m

Baltimore/Washington

Sun 3/16

9:30 pm-10:40 pm

1 stop20h 10m

$376

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 3/2

7:15 am-6:45 pm

1 stop17h 30m

Baltimore/Washington

Sun 3/16

9:30 pm-4:35 pm

2 stops14h 05m

$377

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 3/1

6:30 am-3:45 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sun 3/16

7:30 pm-4:25 pm

1 stop15h 55m

$382

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 3/21

6:30 am-4:45 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Thu 4/3

5:25 pm-10:35 pm

1 stop23h 10m

$389

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sat 5/3

5:10 pm-7:35 pm

1 stop32h 25m

Baltimore/Washington

Sat 5/10

9:20 pm-10:35 am

1 stop31h 15m

$392

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 3/2

9:30 pm-6:25 pm

1 stop26h 55m

Washington, D.C. Dulles Intl

Sun 3/16

8:40 pm-11:35 am

1 stop9h 55m

$394

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 3/2

7:15 am-6:01 pm

2 stops16h 46m

Washington, D.C. Dulles Intl

Mon 3/17

10:55 pm-10:40 pm

1 stop18h 45m

$415

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Tue 4/1

7:45 am-5:59 pm

2 stops16h 14m

Washington, D.C. Reagan-National

Mon 4/7

11:40 am-10:25 am

2 stops16h 45m

$428

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 3/2

7:15 am-7:45 pm

1 stop18h 30m

Washington, D.C. Dulles Intl

Sun 3/16

7:00 pm-4:35 pm

2 stops16h 35m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 47 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 February.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*1 star
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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Oslo Gardermoen Airport-Washington, D.C. flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 February 14, 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 $309). Flying from Oslo Gardermoen Airport to Washington, D.C. in June is currently the most expensive (average of $389). 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 February 20, 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 February 20, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair 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.
8.0
Very good

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

8.0
Very good

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

8.0
Very good

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

8.0
Very good

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

8.0
Very good

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 $375 on this airline. Additional options worth looking into are Finnair and KLM, starting at $377 and $389 round-trip. Users have found that Icelandair is 26% 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 Finnair, which is currently one of the cheapest options available, starting at $424. British Airways flights start at $441 while deals on Iberia start at $446 one-way.

  • What are the most popular routes 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 $309). Flying from Oslo Gardermoen Airport to Washington, D.C. in June is currently the most expensive (average of $389). 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
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill
Gettysburg

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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.

Top 4 airlines flying from Oslo Gardermoen to Washington, D.C.

Discover the top 4 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$319Average$540FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$354Average$646FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$407Average$490FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$449Average$563FlexibilityNo cancel feeOn-time76%
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