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Dulles Intl

$291+ Cheap flights from Oslo Gardermoen (OSL) to Dulles Intl (IAD)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Oslo Gardermoen to Dulles Intl

Cheapest flights from Oslo Gardermoen to Dulles Intl
Explore the most affordable flight options available from Oslo Gardermoen to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Ticket deal was found by Cheapflights users on 1/26. 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 2/89:30 pm
OSL
-
IAD
1 stop27h 00m
Icelandair
Sat 2/217:40 pm
IAD
-
OSL
1 stop9h 55m
Icelandair
Deal found 1/26$402
This Ticket deal was found by Cheapflights users on 1/26. 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.
Wed 2/256:55 am
OSL
-
IAD
1 stop14h 40m
British Airways
Wed 3/49:45 pm
IAD
-
OSL
1 stop18h 55m
British Airways
Deal found 1/26$433
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:10 pm
OSL
-
IAD
1 stop11h 20m
Icelandair
Sun 3/88:40 pm
IAD
-
OSL
1 stop9h 55m
Icelandair
Deal found 1/26$450
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:30 pm
OSL
-
IAD
1 stop27h 00m
Icelandair
Sun 3/88:40 pm
IAD
-
OSL
1 stop9h 55m
Icelandair
Deal found 1/26$451
This Ticket deal was found by Cheapflights users on 1/26. 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.
Mon 3/27:00 pm
OSL
-
IAD
1 stop27h 05m
KLM
Sun 3/87:05 pm
IAD
-
OSL
1 stop18h 10m
KLM
Deal found 1/26$457
This Icelandair deal was found by Cheapflights users on 1/25. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:50 pm
OSL
-
IAD
1 stop11h 30m
Icelandair
Sun 4/268:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Deal found 1/25$459
This Gotogate deal was found by Cheapflights users on 1/25. 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.
Tue 2/246:45 pm
OSL
-
IAD
1 stop32h 15m
TAP AIR PORTUGAL
Tue 3/35:30 pm
IAD
-
OSL
1 stop12h 40m
TAP AIR PORTUGAL
Deal found 1/25$470

Find flight deals from Oslo Gardermoen to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to Dulles Intl (IAD). 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 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$402
(Ticket)

One-way from

$291
(Travelis)

Popular in

July

Cheapest in

April

Average price

$564
Provider with most accurate pricing for Oslo Gardermoen-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oslo Gardermoen-Washington, D.C. Dulles Intl flights.
Search Deals
From Oslo Gardermoen to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Oslo Gardermoen to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen to Dulles Intl 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 26, 2026.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Oslo Gardermoen

Fly to

Dulles Intl

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/8

9:30 pm-6:30 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Sat 2/21

7:40 pm-8:35 pm

1 stop18h 55m

$421

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 3/2

2:40 pm-3:35 pm

1 stop30h 55m

Washington, D.C. Dulles Intl

Sun 3/8

10:45 pm-10:55 am

1 stop31h 10m

$433

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 4/22

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Sun 4/26

8:30 pm-12:35 pm

1 stop10h 05m

$459

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 2/26

1:10 pm-6:30 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 3/8

8:40 pm-11:35 am

1 stop9h 55m

$472

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 3/27

9:35 am-4:50 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Mon 4/6

5:25 pm-11:35 am

1 stop12h 10m

$477

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 2/28

7:10 am-7:55 pm

1 stop18h 45m

Washington, D.C. Dulles Intl

Sat 3/7

9:45 pm-10:35 am

1 stop30h 50m

$504

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 2/26

3:05 pm-7:55 pm

1 stop34h 50m

Washington, D.C. Dulles Intl

Sat 3/7

9:45 pm-10:35 am

1 stop30h 50m

$504

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 4/22

7:45 am-5:25 pm

1 stop15h 40m

Washington, D.C. Dulles Intl

Sun 4/26

8:11 pm-10:30 am

2 stops32h 19m

$504

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/8

6:30 am-7:09 pm

2 stops18h 39m

Washington, D.C. Dulles Intl

Sat 2/21

6:05 pm-6:15 pm

1 stop18h 10m

$510

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 3/2

12:40 pm-12:21 am

2 stops17h 41m

Washington, D.C. Dulles Intl

Sun 3/8

7:05 pm-6:15 pm

1 stop18h 10m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 20 results
1
2

Compare providers for flights from Oslo Gardermoen to Dulles Intl

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 Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 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. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oslo Gardermoen Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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. Dulles Intl Airport 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 Dulles Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Oslo Gardermoen to Dulles Intl. Price data was last updated on January 23, 2026.

Booking 36 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. Dulles Intl Airport. 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. Dulles Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport (average of $322). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $481). 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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 26, 2026.
Read reviews from past customers who have flown United Airlines, Scandinavian Airlines, and Lufthansa from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport. 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.
United Airlines
7.4
Good
9,199 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,199 reviews
United Airlines
7.4
Good
9,199 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Scandinavian Airlines
7.3
Good
1,667 reviews
United Airlines
7.4
Good
9,199 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Lufthansa
6.8
Okay
7,747 reviews
United Airlines
7.4
Good
9,199 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Dulles Intl. 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 Washington, D.C. Dulles Intl Airport?

    Icelandair and British Airways can get you from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in just under 27h. Your travel time can differ by up to 3h 55m. There are 3885 mi between Oslo Gardermoen Airport and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport round-trip from $438. Other airlines that can offer you cheap pricing are Lufthansa, from $448, and United Airlines, from $459. Scandinavian Airlines is 24% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport are British Airways ($283), Icelandair ($439), and Scandinavian Airlines ($485).

  • Can I find deals for flights from Oslo Gardermoen to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Oslo Gardermoen to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo Gardermoen to Dulles Intl.

  • Can I find deals for business class flights from Oslo Gardermoen to Dulles Intl?

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to Dulles Intl 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. Dulles Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport (average of $322). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $481). 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. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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Alternative routes for Oslo Gardermoen to Dulles Intl

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

Top 3 airlines flying from Oslo Gardermoen to Dulles Intl

Discover the top 3 airlines that operate flights from Oslo Gardermoen to Dulles Intl. 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$438Average$676FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$448Average$494FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$459Average$514FlexibilityNo cancel feeOn-time69%

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