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Dulles Intl

$275+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Oslo Gardermoen to Washington, D.C. Dulles Intl are usually found in January or September, 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$422
(Ticket)

One-way from

$275
(Gurufare)

Popular in

July

Cheapest in

January

Average price

$586
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.
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From Oslo Gardermoen to Washington, D.C. Dulles Intl
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One-way flight from Oslo Gardermoen to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 28, 2025.

This Ticket deal was found by Cheapflights users on 3/26. 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.
Fri 5/28:35 amOSL - IAD
2 stops17h 30mMultiple Airlines
Thu 5/1510:40 pmIAD - OSL
1 stop19h 15mMultiple Airlines
Deal found 3/26$422
This Travelis deal was found by Cheapflights users on 3/26. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/211:35 amOSL - IAD
1 stop13h 50mLufthansa
Thu 5/1510:20 pmIAD - OSL
1 stop17h 50mLufthansa
Deal found 3/26$427
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:50 amOSL - IAD
1 stop15h 35mBritish Airways
Thu 5/1510:40 pmIAD - OSL
1 stop19h 15mBritish Airways
Deal found 3/26$435
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:45 amOSL - IAD
1 stop14h 05mAmerican Airlines
Thu 5/110:40 pmIAD - OSL
1 stop11h 35mAmerican Airlines
Deal found 3/25$436
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 5/109:20 amOSL - IAD
2 stops16h 19mDelta
Sat 5/176:30 pmIAD - OSL
1 stop11h 20mDelta
Deal found 3/27$439
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/107:15 amOSL - IAD
2 stops18h 12mUnited Airlines
Sat 5/1710:20 pmIAD - OSL
1 stop17h 50mUnited Airlines
Deal found 3/26$482
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:35 amOSL - IAD
2 stops17h 35mFinnair
Tue 5/2710:40 pmIAD - OSL
1 stop18h 45mFinnair
Deal found 3/27$489
This SWISS deal was found by Cheapflights users on 3/27. 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 10/267:05 pmOSL - IAD
2 stops24h 50mSWISS
Mon 11/35:25 pmIAD - OSL
1 stop15h 45mSWISS
Deal found 3/27$512
This KLM deal was found by Cheapflights users on 3/27. 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.
Thu 4/106:30 amOSL - IAD
1 stop15h 05mKLM
Thu 4/175:25 pmIAD - OSL
1 stop16h 55mKLM
Deal found 3/27$515
This Ticket deal was found by Cheapflights users on 3/27. 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.
Tue 4/16:50 pmOSL - IAD
1 stop32h 00mTAP AIR PORTUGAL
Thu 4/35:50 pmIAD - OSL
1 stop18h 00mTAP AIR PORTUGAL
Deal found 3/27$587
This Gotogate deal was found by Cheapflights users on 3/27. 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.
Sat 4/127:00 amOSL - IAD
1 stop18h 59mScandinavian Airlines
Wed 4/1610:05 pmIAD - OSL
1 stop15h 10mScandinavian Airlines
Deal found 3/27$648
This Iberia deal was found by Cheapflights users on 3/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:05 pmOSL - IAD
2 stops27h 55mIberia
Thu 5/2910:40 pmIAD - OSL
1 stop19h 15mIberia
Deal found 3/26$899

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 28, 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

Fri 5/2

8:35 am-8:05 pm

2 stops17h 30m

Washington, D.C. Dulles Intl

Thu 5/15

10:40 pm-11:55 pm

1 stop19h 15m

$422

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 5/2

11:35 am-7:25 pm

1 stop13h 50m

Washington, D.C. Dulles Intl

Thu 5/15

10:20 pm-10:10 pm

1 stop17h 50m

$427

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 5/2

7:50 am-5:25 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 5/15

10:40 pm-11:55 pm

1 stop19h 15m

$435

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 4/24

7:45 am-3:50 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Thu 5/1

10:40 pm-4:15 pm

1 stop11h 35m

$436

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 5/10

9:20 am-7:39 pm

2 stops16h 19m

Washington, D.C. Dulles Intl

Sat 5/17

6:30 pm-11:50 am

1 stop11h 20m

$439

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 5/10

7:15 am-7:27 pm

2 stops18h 12m

Washington, D.C. Dulles Intl

Sat 5/17

10:20 pm-10:10 pm

1 stop17h 50m

$482

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 5/11

8:35 am-8:10 pm

2 stops17h 35m

Washington, D.C. Dulles Intl

Tue 5/27

10:40 pm-11:25 pm

1 stop18h 45m

$489

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 4/10

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Thu 4/17

5:25 pm-4:20 pm

1 stop16h 55m

$515

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 4/11

6:05 am-7:15 pm

1 stop19h 10m

Washington, D.C. Dulles Intl

Sat 4/19

6:30 pm-11:50 am

1 stop11h 20m

$587

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 4/12

7:00 am-7:59 pm

1 stop18h 59m

Washington, D.C. Dulles Intl

Wed 4/16

10:05 pm-7:15 pm

1 stop15h 10m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 26 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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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.

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 21, 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 $385). 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 March 28, 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 March 28, 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
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
1,570 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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 $427. Other airlines that can offer you cheap pricing are British Airways, from $435, and American Airlines, from $436. Lufthansa is 18% 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 TAP AIR PORTUGAL ($275), Scandinavian Airlines ($430), and Icelandair ($440).

  • 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 $385). 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
Tysons
Springfield
Rockville
Woodbridge
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
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 5 airlines flying from Oslo Gardermoen to Dulles Intl

Discover the top 5 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$319Average$518FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$354Average$677FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$407Average$501FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$449Average$535FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$459Average$600FlexibilityNo cancel feeOn-time69%
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