HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$281+ Cheap flights from Oslo 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — WAS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oslo 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.

Cheapflights Tip: The best prices from Oslo to Washington, D.C. are usually found in February or November, booked 42 days in advance, depart on a Friday or Wednesday and return on a Thursday

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

Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) 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 September 15, 2025.

Round-trip from

$442
(Ticket)

One-way from

$281
(Billigflug)

Popular in

July

Cheapest in

February

Average price

$488
From Oslo to Washington, D.C. (WAS)
Search Deals
One-way flight from Oslo to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Oslo to Washington, D.C.

Cheapest flights from Oslo to Washington, D.C.
Explore the most affordable flight options available from Oslo to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Ticket deal was found by Cheapflights users on 9/14. 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 9/215:20 pmOSL - IAD
1 stop28h 15mKLM
Tue 10/75:25 pmIAD - OSL
1 stop23h 10mKLM
Deal found 9/14$435
This Ticket deal was found by Cheapflights users on 9/14. 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 10/252:15 pmOSL - IAD
1 stop32h 50mKLM
Mon 11/106:05 pmIAD - OSL
1 stop22h 25mKLM
Deal found 9/14$442
This Ticket deal was found by Cheapflights users on 9/14. 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 11/226:45 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Mon 12/15:30 pmIAD - OSL
1 stop18h 25mTAP AIR PORTUGAL
Deal found 9/14$446
This Ticket deal was found by Cheapflights users on 9/15. 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.
Thu 10/309:25 amOSL - BWI
2 stops18h 37mKLM
Thu 11/67:45 pmBWI - OSL
2 stops14h 30mKLM
Deal found 9/15$447
This Travelis deal was found by Cheapflights users on 9/14. 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 10/258:20 amOSL - IAD
2 stops17h 25mBritish Airways
Fri 11/75:35 pmIAD - OSL
2 stops17h 55mBritish Airways
Deal found 9/14$454
This Travelis deal was found by Cheapflights users on 9/14. 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 10/258:20 amOSL - DCA
2 stops16h 46mBritish Airways
Mon 11/101:44 pmDCA - OSL
2 stops15h 11mBritish Airways
Deal found 9/14$455
This Travelis deal was found by Cheapflights users on 9/14. 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 10/258:20 amOSL - IAD
2 stops17h 25mBritish Airways
Mon 11/106:20 pmIAD - OSL
1 stop22h 20mBritish Airways
Deal found 9/14$460
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/258:20 amOSL - IAD
1 stop18h 00mAmerican Airlines
Fri 11/75:35 pmIAD - OSL
2 stops34h 55mAmerican Airlines
Deal found 9/15$463
This Travelis deal was found by Cheapflights users on 9/15. 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 10/296:55 amOSL - IAD
2 stops16h 59mBritish Airways
Mon 11/36:20 pmIAD - OSL
1 stop22h 20mBritish Airways
Deal found 9/15$464
This American Airlines deal was found by Cheapflights users on 9/13. 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 12/57:10 amOSL - IAD
1 stop18h 45mAmerican Airlines
Sun 12/78:05 pmIAD - OSL
2 stops32h 50mAmerican Airlines
Deal found 9/13$465
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/27:45 amOSL - IAD
2 stops17h 57mAmerican Airlines
Mon 10/135:41 pmIAD - OSL
2 stops18h 59mAmerican Airlines
Deal found 9/14$469
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/27:45 amOSL - BWI
2 stops16h 14mAmerican Airlines
Mon 10/137:45 pmBWI - OSL
2 stops16h 55mAmerican Airlines
Deal found 9/14$469

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oslo 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 September 15, 2025.
Use the filters below to find and compare flights from Oslo to Washington, D.C. that are best for you.

Fly from

Oslo

Fly to

Washington, D.C.

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 10/25

2:15 pm-5:05 pm

1 stop32h 50m

Washington, D.C. Dulles Intl

Mon 11/10

6:05 pm-10:30 pm

1 stop22h 25m

$442

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 10/25

5:20 pm-5:05 pm

1 stop29h 45m

Washington, D.C. Dulles Intl

Fri 11/7

6:05 pm-10:30 pm

1 stop22h 25m

$442

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Thu 10/30

9:25 am-11:02 pm

2 stops18h 37m

Baltimore/Washington

Thu 11/6

7:45 pm-4:15 pm

2 stops14h 30m

$447

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sat 10/25

8:20 am-7:06 pm

2 stops16h 46m

Washington, D.C. Reagan-National

Mon 11/10

1:44 pm-10:55 am

2 stops15h 11m

$455

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 10/20

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Wed 11/5

3:33 pm-1:50 pm

2 stops16h 17m

$465

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 12/5

7:10 am-7:55 pm

1 stop18h 45m

Washington, D.C. Dulles Intl

Sun 12/7

8:05 pm-10:55 am

2 stops32h 50m

$465

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 11/22

9:25 am-4:05 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

Mon 12/1

3:35 pm-1:50 pm

2 stops16h 15m

$465

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 10/2

7:45 am-7:42 pm

2 stops17h 57m

Washington, D.C. Dulles Intl

Mon 10/13

5:41 pm-6:40 pm

2 stops18h 59m

$469

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 10/2

7:45 am-11:07 pm

2 stops21h 22m

Washington, D.C. Reagan-National

Mon 10/13

6:38 am-10:25 am

2 stops21h 47m

$469

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 10/29

9:25 am-5:05 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

Mon 11/3

6:50 pm-4:20 pm

1 stop15h 30m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
1
2
3
...
6

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Oslo to Washington, D.C.. Price data was last updated on September 12, 2025.

The price you pay for your flight from Oslo to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Oslo to Washington, D.C. (average of $292). Flying from Oslo to Washington, D.C. in April is currently the most expensive (average of $337). 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 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 September 15, 2025.

It’s optimal to fly from Oslo 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.

How much does it cost to fly round-trip from Oslo to Washington, D.C.?

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 September 15, 2025.
Read reviews from past customers who have flown KLM, Scandinavian Airlines, and Icelandair from Oslo to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,385 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Scandinavian Airlines
7.4
Good
1,484 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Icelandair
7.0
Good
544 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,407 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
British Airways
6.7
Okay
7,361 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from Oslo 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.

  • How long is the flight from Oslo to Washington, D.C.?

    Airlines like KLM, British Airways, and Delta fly from Oslo to Washington, D.C. in about 15h 05m. The time it takes to get you to your destination can typically vary by up to 17h 45m. Oslo and Washington, D.C. are separated by a distance of 3885 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Icelandair, at $319, was found to be the cheapest airline from Oslo to Washington, D.C..Alternate airlines to your destination round-trip include British Airways and Scandinavian Airlines. These flights start at 39% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $283 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Finnair from $295 and British Airways from $299 one-way.

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

    Most travelers choose Oslo Gardermoen - Washington, D.C. Dulles Intl, Oslo Gardermoen - Baltimore/Washington or Oslo Gardermoen - Washington, D.C. Reagan-National when deciding on the best route from Oslo to Washington, D.C..

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Oslo to Washington, D.C. (average of $292). Flying from Oslo to Washington, D.C. in April is currently the most expensive (average of $337). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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 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
Bergen to Dulles Intl flights
Stavanger to Reagan-National flights

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

Discover the top 5 airlines that operate flights from Oslo 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$319Average$533FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$406Average$525FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$438Average$706FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$448Average$535FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$483Average$543FlexibilityNo 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.