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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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 December, booked 80 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 September 11, 2025.

Round-trip from

$437
(Ticket)

One-way from

$291
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$518
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
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Highest demand for flights based on searches. 13% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Ticket deal was found by Cheapflights users on 9/10. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:15 pmOSL - IAD
1 stop26h 20mMultiple Airlines
Thu 11/69:25 pmIAD - OSL
1 stop12h 55mMultiple Airlines
Deal found 9/10$437
This Ticket deal was found by Cheapflights users on 9/10. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:15 pmOSL - IAD
1 stop26h 20mMultiple Airlines
Mon 11/36:50 pmIAD - OSL
1 stop15h 30mMultiple Airlines
Deal found 9/10$439
This Ticket deal was found by Cheapflights users on 9/11. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:15 pmOSL - IAD
1 stop32h 50mKLM
Mon 11/106:05 pmIAD - OSL
1 stop22h 25mKLM
Deal found 9/11$442
This Ticket deal was found by Cheapflights users on 9/11. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:15 pmOSL - IAD
1 stop26h 20mKLM
Wed 10/15:25 pmIAD - OSL
1 stop11h 40mKLM
Deal found 9/11$444
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/261:05 pmOSL - IAD
1 stop11h 25mIcelandair
Sun 11/27:40 pmIAD - OSL
1 stop9h 55mIcelandair
Deal found 9/11$445
This Travelis deal was found by Cheapflights users on 9/10. 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.
Wed 10/296:55 amOSL - IAD
2 stops16h 59mBritish Airways
Mon 11/39:45 pmIAD - OSL
1 stop14h 55mBritish Airways
Deal found 9/10$456
This Travelis deal was found by Cheapflights users on 9/11. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:20 amOSL - IAD
2 stops17h 25mBritish Airways
Mon 11/109:45 pmIAD - OSL
1 stop18h 55mBritish Airways
Deal found 9/11$462
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:50 amOSL - IAD
1 stop33h 45mAmerican Airlines
Mon 11/36:20 pmIAD - OSL
1 stop22h 20mAmerican Airlines
Deal found 9/11$465
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:45 amOSL - IAD
2 stops32h 22mAmerican Airlines
Mon 10/137:25 pmIAD - OSL
1 stop22h 05mAmerican Airlines
Deal found 9/11$467
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:30 amOSL - IAD
1 stop15h 05mDelta
Mon 10/139:20 pmIAD - OSL
1 stop13h 20mDelta
Deal found 9/9$469
This Icelandair deal was found by Cheapflights users on 9/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:10 pmOSL - IAD
1 stop11h 20mIcelandair
Sun 12/77:40 pmIAD - OSL
1 stop9h 55mIcelandair
Deal found 9/9$471

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 September 11, 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 10/24

7:15 pm-3:35 pm

1 stop26h 20m

Washington, D.C. Dulles Intl

Thu 11/6

9:25 pm-4:20 pm

1 stop12h 55m

$437

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 10/19

7:15 pm-3:35 pm

1 stop26h 20m

Washington, D.C. Dulles Intl

Mon 11/3

6:50 pm-4:20 pm

1 stop15h 30m

$439

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 10/25

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 11/1

8:40 pm-11:35 am

1 stop9h 55m

$467

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 10/23

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Wed 11/5

7:40 pm-11:35 am

1 stop9h 55m

$467

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 10/2

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Mon 10/13

9:20 pm-4:40 pm

1 stop13h 20m

$469

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 10/29

9:25 am-5:05 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

Mon 11/3

6:50 pm-4:20 pm

1 stop15h 30m

$470

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 10/20

8:00 am-8:15 pm

1 stop18h 15m

Washington, D.C. Dulles Intl

Sun 11/2

6:20 pm-10:40 pm

1 stop22h 20m

$471

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 10/24

7:50 am-8:15 pm

1 stop18h 25m

Washington, D.C. Dulles Intl

Thu 11/6

4:34 pm-2:15 pm

2 stops15h 41m

$471

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 12/5

7:10 am-10:14 pm

2 stops21h 04m

Washington, D.C. Dulles Intl

Sun 12/7

11:30 am-10:40 pm

2 stops29h 10m

$471

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 2/13

7:10 am-7:55 pm

1 stop18h 45m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 19 results
1
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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 August 29, 2025.

Booking 80 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 $292). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 11, 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.

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 September 11, 2025.
Read reviews from past customers who have flown Scandinavian Airlines, United 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.
Scandinavian Airlines
7.4
Good
1,484 reviews

Crew

8.0

Overall

7.4

Entertainment

6.7

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Scandinavian Airlines
7.4
Good
1,484 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Crew

8.0

Overall

7.4

Entertainment

6.7

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
United Airlines
7.4
Good
8,937 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Crew

8.0

Overall

7.4

Entertainment

6.7

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Lufthansa
6.8
Okay
7,409 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Crew

8.0

Overall

7.4

Entertainment

6.7

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
British Airways
6.7
Okay
7,361 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Crew

8.0

Overall

7.4

Entertainment

6.7

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

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 30m. Your travel time can differ by up to 3h 35m. 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 $406. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $438, and Lufthansa, from $448. British Airways 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 American Airlines ($291), Finnair ($351), and TAP AIR PORTUGAL ($368).

  • 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 $292). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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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 Reagan-National flights
Oslo Gardermoen to Baltimore 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$406Average$525FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$438Average$706FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$448Average$535FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$483Average$543FlexibilityNo cancel feeOn-time69%

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