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Dulles Intl

$382+ Cheap flights from Oslo Gardermoen (OSL) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Oslo Gardermoen to Washington, D.C. Dulles Intl are usually found in January or February, booked 79 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$382
(Ticket)

Popular in

July

Cheapest in

January

Average price

$458
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
Highest demand for flights based on searches. 14% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find 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 February 20, 2025.

This Ticket deal was found by Cheapflights users on 2/19. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:30 amOSL - IAD
1 stop15h 15mMultiple Airlines
Sun 3/167:30 pmIAD - OSL
1 stop15h 55mMultiple Airlines
Deal found 2/19$382
This Travelis deal was found by Cheapflights users on 2/20. 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 3/216:30 amOSL - IAD
1 stop15h 15mKLM
Thu 4/35:25 pmIAD - OSL
1 stop23h 10mKLM
Deal found 2/20$389
This Travelis deal was found by Cheapflights users on 2/20. 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.
Sun 3/29:30 pmOSL - IAD
1 stop26h 55mIcelandair
Sun 3/168:40 pmIAD - OSL
1 stop9h 55mIcelandair
Deal found 2/20$394
This Travelis deal was found by Cheapflights users on 2/19. 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.
Sun 3/27:15 amOSL - IAD
2 stops16h 46mBritish Airways
Mon 3/1710:55 pmIAD - OSL
1 stop18h 45mBritish Airways
Deal found 2/19$415
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 3/27:15 amOSL - IAD
1 stop18h 30mAmerican Airlines
Sun 3/167:00 pmIAD - OSL
2 stops16h 35mAmerican Airlines
Deal found 2/20$430
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 3/219:20 amOSL - IAD
1 stop12h 25mDelta
Thu 4/31:35 pmIAD - OSL
2 stops15h 30mDelta
Deal found 2/20$432
This Travelis deal was found by Cheapflights users on 2/20. 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 6/47:15 amOSL - IAD
1 stop18h 10mLufthansa
Thu 6/1210:20 pmIAD - OSL
1 stop13h 45mLufthansa
Deal found 2/20$444
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/136:00 amOSL - IAD
2 stops15h 25mUnited Airlines
Sat 3/226:50 pmIAD - OSL
1 stop17h 45mUnited Airlines
Deal found 2/20$468
This SWISS deal was found by Cheapflights users on 2/19. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/65:40 amOSL - IAD
2 stops14h 35mSWISS
Sun 4/135:35 pmIAD - OSL
1 stop24h 20mSWISS
Deal found 2/19$486
This AirNGo deal was found by Cheapflights users on 2/20. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/48:35 amOSL - IAD
2 stops17h 35mFinnair
Thu 6/1210:40 pmIAD - OSL
2 stops27h 15mFinnair
Deal found 2/20$510
This Turkish Airlines deal was found by Cheapflights users on 2/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/106:20 pmOSL - IAD
1 stop31h 10mTurkish Airlines
Fri 3/143:00 pmIAD - OSL
1 stop15h 05mTurkish Airlines
Deal found 2/20$608
This Gotogate deal was found by Cheapflights users on 2/20. 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 2/218:00 amOSL - IAD
1 stop13h 40mScandinavian Airlines
Sun 3/96:10 pmIAD - OSL
1 stop25h 00mScandinavian Airlines
Deal found 2/20$609

Find flights from Oslo Gardermoen to Dulles Intl within your budget

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 February 20, 2025.

Fly from

Oslo Gardermoen

Fly to

Dulles Intl

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 3/1

6:30 am-3:45 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sun 3/16

7:30 pm-4:25 pm

1 stop15h 55m

$382

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 3/21

6:30 am-4:45 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Thu 4/3

5:25 pm-10:35 pm

1 stop23h 10m

$389

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 3/2

9:30 pm-6:25 pm

1 stop26h 55m

Washington, D.C. Dulles Intl

Sun 3/16

8:40 pm-11:35 am

1 stop9h 55m

$394

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 3/2

7:15 am-6:01 pm

2 stops16h 46m

Washington, D.C. Dulles Intl

Mon 3/17

10:55 pm-10:40 pm

1 stop18h 45m

$415

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 3/2

7:15 am-7:45 pm

1 stop18h 30m

Washington, D.C. Dulles Intl

Sun 3/16

7:00 pm-4:35 pm

2 stops16h 35m

$430

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 3/21

9:20 am-4:45 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Thu 4/3

1:35 pm-11:05 am

2 stops15h 30m

$432

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 4/6

6:50 am-3:50 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Sun 4/13

11:05 pm-6:05 pm

1 stop13h 00m

$462

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 3/13

6:00 am-4:25 pm

2 stops15h 25m

Washington, D.C. Dulles Intl

Sat 3/22

6:50 pm-5:35 pm

1 stop17h 45m

$468

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 4/6

5:40 am-2:15 pm

2 stops14h 35m

Washington, D.C. Dulles Intl

Sun 4/13

5:35 pm-11:55 pm

1 stop24h 20m

$486

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 3/10

6:20 pm-8:30 pm

1 stop31h 10m

Washington, D.C. Dulles Intl

Fri 3/14

3:00 pm-11:05 am

1 stop15h 05m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 23 results
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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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 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.

Travel insights for flights from Oslo Gardermoen to Dulles Intl

Get recent, data-driven insights about flights from Oslo Gardermoen to Dulles Intl including ideal travel times, pricing trends, and more.

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 February 14, 2025.

Booking 79 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, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport 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 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 February 20, 2025.

It’s typically best to fly out from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 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 February 20, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Oslo to Washington, D.C. by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 Dulles Intl. 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. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport round-trip from $389. Other airlines that can offer you cheap pricing are Icelandair, from $394, and British Airways, from $415. KLM 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 Finnair ($424), British Airways ($441), and Iberia ($446).

  • 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, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport 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

Traveling to a place near Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Sterling
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill

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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 4 airlines flying from Oslo Gardermoen to Dulles Intl

Discover the top 4 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$319Average$542FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$354Average$646FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$407Average$490FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$449Average$563FlexibilityNo cancel feeOn-time76%
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