Washington, D.C.

$292+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — WAS
Dec 24 — Dec 311
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oslo Gardermoen to Washington, D.C. 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.

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 December 19, 2024.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$362
(Travelis)

One-way from

$292
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$554
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)
One-way flight from Oslo Gardermoen to Washington, D.C. (WAS)
High demand for flights, 15% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in December 2024

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 December 19, 2024.

This Travelis deal was found by Cheapflights users on 12/19. 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.
Fri 12/204:10 pmOSL - IAD
1 stop29h 30mScandinavian Airlines
Mon 12/235:10 pmIAD - OSL
1 stop10h 10mScandinavian Airlines
Deal found 12/19$809
This Flysmarter deal was found by Cheapflights users on 12/19. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/206:30 amOSL - IAD
2 stops15h 55mMultiple Airlines
Mon 12/235:25 pmIAD - OSL
1 stop15h 45mMultiple Airlines
Deal found 12/19$859
This Flysmarter deal was found by Cheapflights users on 12/19. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2011:50 amOSL - IAD
2 stops14h 30mAir Canada
Mon 12/235:30 pmIAD - OSL
2 stops15h 50mAir Canada
Deal found 12/19$960
This Gotogate deal was found by Cheapflights users on 12/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2011:50 amOSL - DCA
2 stops28h 29mAir Canada
Mon 12/236:00 amDCA - OSL
2 stops27h 20mAir Canada
Deal found 12/19$1,057
This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/207:40 pmOSL - BWI
2 stops33h 45mMultiple Airlines
Mon 12/236:55 amBWI - OSL
2 stops20h 25mMultiple Airlines
Deal found 12/19$1,397
This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/206:45 amOSL - DCA
3 stops45h 52mMultiple Airlines
Mon 12/236:00 amDCA - OSL
3 stops29h 50mMultiple Airlines
Deal found 12/19$1,554
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/207:15 amOSL - BWI
1 stop17h 30mAmerican Airlines
Mon 12/238:17 pmBWI - OSL
2 stops16h 18mAmerican Airlines
Deal found 12/19$1,819
This Gotogate deal was found by Cheapflights users on 12/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/201:10 pmOSL - BWI
1 stop11h 20mIcelandair
Mon 12/237:30 pmBWI - OSL
1 stop10h 05mIcelandair
Deal found 12/19$2,420

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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 1/17

11:40 am-7:45 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Thu 1/30

6:00 pm-2:15 pm

1 stop14h 15m

$362

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 2/2

9:30 pm-6:30 pm

1 stop27h 00m

Baltimore/Washington

Sun 2/9

7:30 pm-11:35 am

1 stop10h 05m

$384

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Tue 1/21

1:10 pm-6:25 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Sun 1/26

7:40 pm-11:35 am

1 stop9h 55m

$387

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 1/18

6:30 am-3:45 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Fri 1/31

5:35 pm-4:15 pm

1 stop16h 40m

$388

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sat 1/18

5:20 pm-6:45 pm

1 stop31h 25m

Baltimore/Washington

Fri 1/31

8:30 pm-10:15 pm

1 stop19h 45m

$389

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 1/12

7:15 am-6:45 pm

1 stop17h 30m

Baltimore/Washington

Sun 1/26

8:30 pm-1:45 pm

1 stop11h 15m

$390

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 1/12

3:20 pm-9:32 am

2 stops24h 12m

Washington, D.C. Reagan-National

Sun 1/26

6:50 am-10:35 am

2 stops21h 45m

$397

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 1/12

7:15 am-6:45 pm

1 stop17h 30m

Baltimore/Washington

Sun 1/26

8:30 pm-10:40 pm

1 stop20h 10m

$401

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 6/4

6:20 am-3:25 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Thu 6/12

10:20 pm-10:10 pm

1 stop17h 50m

$405

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 1/27

7:15 am-3:35 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Tue 4/8

10:40 pm-11:25 pm

1 stop18h 45m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 46 results
1
2
3
...
5

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 December.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*2 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 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 December 13, 2024.

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 December 19, 2024.

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 December 19, 2024.
Read reviews from past customers who have flown Icelandair, Finnair and British Airways 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
8,600 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

8.0
Very good
8,600 reviews
8.0
Very good
8,600 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

7.8
Good
1,349 reviews
8.0
Very good
8,600 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

7.7
Good
1,285 reviews
8.0
Very good
8,600 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

7.4
Good
1,505 reviews
8.0
Very good
8,600 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

7.4
Good
9,048 reviews
8.0
Very good
8,600 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

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 British Airways. Our recent data shows that you can find tickets from as low as $362 on this airline. Additional options worth looking into are Icelandair and KLM, starting at $384 and $388 round-trip. Users have found that British Airways 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 $378. British Airways flights start at $445 while deals on Finnair 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

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, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$319Average$567FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$407Average$575FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$433Average$677FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$458Average$590FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$490Average$661FlexibilityNo cancel feeOn-time69%
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.