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Dulles Intl

$311+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Oslo Gardermoen to Washington, D.C. Dulles Intl are usually found in February or April, booked 36 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

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 December 12, 2025.

This Travelis deal was found by Cheapflights users on 12/10. 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.
Mon 12/156:45 pmOSL - IAD
1 stop25h 50mTAP AIR PORTUGAL
Mon 5/1110:35 pmIAD - OSL
1 stop13h 15mTAP AIR PORTUGAL
Deal found 12/10$577
This Gotogate deal was found by Cheapflights users on 12/10. 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.
Sun 12/149:30 pmOSL - IAD
1 stop27h 00mIcelandair
Mon 5/118:30 pmIAD - OSL
1 stop12h 55mIcelandair
Deal found 12/10$602
This Gotogate deal was found by Cheapflights users on 12/10. 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.
Sun 12/141:30 pmOSL - IAD
2 stops31h 45mTAP AIR PORTUGAL
Mon 5/1110:35 pmIAD - OSL
1 stop13h 15mTAP AIR PORTUGAL
Deal found 12/10$697
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:15 amOSL - IAD
2 stops23h 06mUnited Airlines
Mon 5/1110:20 pmIAD - OSL
1 stop13h 40mUnited Airlines
Deal found 12/10$705
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/141:50 pmOSL - IAD
2 stops15h 31mUnited Airlines
Mon 5/1112:55 pmIAD - OSL
2 stops17h 25mUnited Airlines
Deal found 12/10$774
This Air France deal was found by Cheapflights users on 12/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:25 amOSL - IAD
1 stop16h 10mMultiple Airlines
Thu 1/16:05 pmIAD - OSL
1 stop22h 25mMultiple Airlines
Deal found 12/11$983
This KLM deal was found by Cheapflights users on 12/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:30 amOSL - IAD
1 stop15h 35mKLM
Thu 1/16:05 pmIAD - OSL
1 stop22h 25mKLM
Deal found 12/11$989
This Icelandair deal was found by Cheapflights users on 12/11. 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.
Thu 12/181:10 pmOSL - IAD
1 stop11h 20mIcelandair
Fri 1/27:40 pmIAD - OSL
1 stop9h 55mIcelandair
Deal found 12/11$1,006
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/186:25 amOSL - IAD
1 stop16h 10mDelta
Thu 1/16:00 amIAD - OSL
2 stops20h 40mDelta
Deal found 12/11$1,082
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:45 amOSL - IAD
2 stops23h 30mUnited Airlines
Fri 1/210:33 pmIAD - OSL
2 stops36h 37mUnited Airlines
Deal found 12/11$1,093
This KLM deal was found by Cheapflights users on 12/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:40 pmOSL - IAD
1 stop33h 25mKLM
Thu 1/16:05 pmIAD - OSL
1 stop22h 25mKLM
Deal found 12/11$1,127

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$403
(Ticket)

One-way from

$311
(Finnair)

Popular in

July

Cheapest in

February

Average price

$624
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 ($80 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 December 2025
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 December 12, 2025.
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

Wed 2/4

1:10 pm-6:30 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Mon 5/11

8:30 pm-3:25 pm

1 stop12h 55m

$408

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Tue 2/24

1:10 pm-6:30 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 3/1

7:40 pm-11:35 am

1 stop9h 55m

$443

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 1/29

1:10 pm-6:30 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Mon 2/2

7:40 pm-11:35 am

1 stop9h 55m

$466

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 2/23

6:30 am-4:05 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 3/2

12:35 pm-1:50 pm

2 stops19h 15m

$479

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 1/24

6:30 am-4:05 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 1/31

6:50 pm-4:20 pm

1 stop15h 30m

$484

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 1/25

6:30 am-7:09 pm

2 stops18h 39m

Washington, D.C. Dulles Intl

Sat 2/7

6:50 pm-4:20 pm

1 stop15h 30m

$490

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Tue 2/24

9:25 am-7:09 pm

2 stops15h 44m

Washington, D.C. Dulles Intl

Sun 3/1

6:50 pm-4:20 pm

1 stop15h 30m

$490

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 1/11

1:00 pm-3:15 pm

1 stop32h 15m

Washington, D.C. Dulles Intl

Sun 2/1

10:30 pm-5:55 pm

1 stop13h 25m

$494

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 3/19

7:05 am-4:35 pm

1 stop14h 30m

$311

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 3/20

8:50 pm-4:35 pm

2 stops24h 45m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 16 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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oslo Gardermoen Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

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 $320). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $479). 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 IAD?

Find hourly flight availability from Oslo Gardermoen to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in the evening. Doing so could potentially save you 45% on the flight price compared to flying at noon, which is usually more expensive.

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 December 12, 2025.
Read reviews from past customers who have flown Scandinavian Airlines, United Airlines, and Icelandair 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.
Scandinavian Airlines
7.4
Good
1,605 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Scott,Sep 2025

CPH - LAX

Unfortunately, usual rubbish at the gate for SAS reporting that boarding is underway, but clearly that was not the case. Internet worked to start with, but at some point it wouldn't connect using any of the devices I had with me and remained that way for the rest of the trip; could not even blame being out of network coverage, for all of that, as surely it should work across continental USA - worked for so little of the flight for me that I wouldn't have advertised that such a service was actually available; if I had had to pay extra for internet, I would have been demanding that money back.
Scandinavian Airlines
7.4
Good
1,605 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Scott,Sep 2025

CPH - LAX

Unfortunately, usual rubbish at the gate for SAS reporting that boarding is underway, but clearly that was not the case. Internet worked to start with, but at some point it wouldn't connect using any of the devices I had with me and remained that way for the rest of the trip; could not even blame being out of network coverage, for all of that, as surely it should work across continental USA - worked for so little of the flight for me that I wouldn't have advertised that such a service was actually available; if I had had to pay extra for internet, I would have been demanding that money back.
United Airlines
7.4
Good
9,095 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Scott,Sep 2025

CPH - LAX

Unfortunately, usual rubbish at the gate for SAS reporting that boarding is underway, but clearly that was not the case. Internet worked to start with, but at some point it wouldn't connect using any of the devices I had with me and remained that way for the rest of the trip; could not even blame being out of network coverage, for all of that, as surely it should work across continental USA - worked for so little of the flight for me that I wouldn't have advertised that such a service was actually available; if I had had to pay extra for internet, I would have been demanding that money back.
Icelandair
7.0
Good
589 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Scott,Sep 2025

CPH - LAX

Unfortunately, usual rubbish at the gate for SAS reporting that boarding is underway, but clearly that was not the case. Internet worked to start with, but at some point it wouldn't connect using any of the devices I had with me and remained that way for the rest of the trip; could not even blame being out of network coverage, for all of that, as surely it should work across continental USA - worked for so little of the flight for me that I wouldn't have advertised that such a service was actually available; if I had had to pay extra for internet, I would have been demanding that money back.
Lufthansa
6.8
Okay
7,626 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Scott,Sep 2025

CPH - LAX

Unfortunately, usual rubbish at the gate for SAS reporting that boarding is underway, but clearly that was not the case. Internet worked to start with, but at some point it wouldn't connect using any of the devices I had with me and remained that way for the rest of the trip; could not even blame being out of network coverage, for all of that, as surely it should work across continental USA - worked for so little of the flight for me that I wouldn't have advertised that such a service was actually available; if I had had to pay extra for internet, I would have been demanding that money back.
British Airways
6.7
Okay
7,571 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Scott,Sep 2025

CPH - LAX

Unfortunately, usual rubbish at the gate for SAS reporting that boarding is underway, but clearly that was not the case. Internet worked to start with, but at some point it wouldn't connect using any of the devices I had with me and remained that way for the rest of the trip; could not even blame being out of network coverage, for all of that, as surely it should work across continental USA - worked for so little of the flight for me that I wouldn't have advertised that such a service was actually available; if I had had to pay extra for internet, I would have been demanding that money back.

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 Delta can get you from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in just under 11h 20m. Your travel time can differ by up to 4h 15m. 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 $423. Other airlines that can offer you cheap pricing are British Airways, from $438, and Scandinavian Airlines, from $438. Icelandair is 27% 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 $320). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $479). 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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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 6 airlines flying from Oslo Gardermoen to Dulles Intl

Discover the top 6 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$423Average$687FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$438Average$586FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$438Average$676FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$448Average$494FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$459Average$514FlexibilityNo cancel feeOn-time69%
KLMCheapest$479Average$836FlexibilityNo cancel feeOn-time75%

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