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Dulles Intl

$320+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This Ticket deal was found by Cheapflights users on 3/6. 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 4/304:30 pm
OSL
-
IAD
1 stop32h 50m
Icelandair
Wed 5/138:30 pm
IAD
-
OSL
1 stop12h 55m
Icelandair
Deal found 3/6$412
This Ticket deal was found by Cheapflights users on 3/6. 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 4/194:30 pm
OSL
-
IAD
1 stop32h 50m
Icelandair
Sun 5/38:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Deal found 3/6$421
This ResecentrumGruppen deal was found by Cheapflights users on 3/7. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/194:30 pm
OSL
-
IAD
1 stop32h 50m
Icelandair
Sat 5/28:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Deal found 3/7$423
This Mytrip deal was found by Cheapflights users on 3/9. 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.
Sun 4/261:50 pm
OSL
-
IAD
1 stop11h 30m
Icelandair
Wed 4/298:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Deal found 3/9$442
This Mytrip deal was found by Cheapflights users on 3/7. 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.
Thu 4/161:50 pm
OSL
-
IAD
1 stop11h 30m
Icelandair
Thu 4/308:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Deal found 3/7$456
This Ticket deal was found by Cheapflights users on 3/9. 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 4/198:00 am
OSL
-
IAD
1 stop15h 15m
British Airways
Sat 5/27:15 pm
IAD
-
OSL
1 stop33h 25m
British Airways
Deal found 3/9$464
This Ticket deal was found by Cheapflights users on 3/8. 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 4/198:00 am
OSL
-
IAD
1 stop15h 15m
British Airways
Sun 5/37:15 pm
IAD
-
OSL
1 stop33h 15m
British Airways
Deal found 3/8$465

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$412
(Ticket)

One-way from

$320
(Finnair)

Popular in

January

Cheapest in

April

Average price

$498
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. 2% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 4/19

8:00 am-7:25 pm

2 stops17h 25m

Washington, D.C. Dulles Intl

Sun 5/3

10:25 pm-10:30 am

1 stop30h 05m

$499

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 4/19

8:00 am-7:25 pm

2 stops17h 25m

Washington, D.C. Dulles Intl

Sat 5/2

7:15 pm-10:40 am

1 stop33h 25m

$501

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 4/19

8:30 pm-8:20 pm

2 stops29h 50m

Washington, D.C. Dulles Intl

Sun 5/3

10:25 pm-12:05 pm

2 stops31h 40m

$509
Quickest round-trip

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 4/29

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Tue 5/5

9:45 pm-4:40 pm

1 stop12h 55m

$523

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 3/30

5:20 pm-3:35 pm

1 stop28h 15m

Washington, D.C. Dulles Intl

Mon 4/13

9:45 pm-4:40 pm

1 stop12h 55m

$524

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Tue 4/7

7:15 pm-3:35 pm

1 stop26h 20m

Washington, D.C. Dulles Intl

Tue 4/14

9:45 pm-4:40 pm

1 stop12h 55m

$524

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 4/30

11:50 am-11:03 pm

2 stops17h 13m

Washington, D.C. Dulles Intl

Wed 5/13

6:10 pm-6:35 pm

1 stop18h 25m

$526

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 4/23

6:00 am-6:08 pm

2 stops18h 08m

Washington, D.C. Dulles Intl

Thu 4/30

9:45 pm-4:40 pm

1 stop12h 55m

$553
Cheapest one-way

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Tue 5/5

11:15 am-8:20 pm

1 stop15h 05m

$320

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 5/16

8:15 am-5:25 pm

1 stop15h 10m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 20 resultsSorted by cheapest first
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 March.
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 March 6, 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 $318). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $564). 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.

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

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 March 11, 2026.
Read reviews from past customers who have flown United Airlines and Scandinavian Airlines 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
9,413 reviews

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

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
9,413 reviews
United Airlines
7.4
Good
9,413 reviews

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

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
1,708 reviews
United Airlines
7.4
Good
9,413 reviews

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

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?

    Finnair and Delta can get you from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in just under 15h 05m. Your travel time can differ by up to 14h 45m. 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. Another airline that can offer you cheap pricing is United Airlines. Scandinavian Airlines is 26% 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 ($445), 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 $318). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $564). 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
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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Top 2 airlines flying from Oslo Gardermoen to Dulles Intl

Discover the top 2 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$438Average$676FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$483Average$514FlexibilityNo cancel feeOn-time69%

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