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Dulles Intl

$402+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 July 24, 2026.

This Finnair deal was found by Cheapflights users on 7/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:30 pm
OSL
-
IAD
2 stops29h 50m
Finnair
Tue 9/295:45 pm
IAD
-
OSL
2 stops32h 05m
Finnair
Deal found 7/22$586
This Ticket deal was found by Cheapflights users on 7/23. 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 9/178:00 am
OSL
-
IAD
1 stop15h 00m
Scandinavian Airlines
Thu 10/18:20 pm
IAD
-
OSL
1 stop10h 35m
Scandinavian Airlines
Deal found 7/23$593
This Travelis deal was found by Cheapflights users on 7/23. 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.
Thu 9/176:45 am
OSL
-
IAD
1 stop15h 20m
Multiple Airlines
Wed 9/305:45 pm
IAD
-
OSL
1 stop13h 30m
Multiple Airlines
Deal found 7/23$598
This Ticket deal was found by Cheapflights users on 7/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:55 am
OSL
-
IAD
1 stop13h 05m
Scandinavian Airlines
Sun 9/68:20 pm
IAD
-
OSL
1 stop16h 40m
Scandinavian Airlines
Deal found 7/20$599
This Ticket deal was found by Cheapflights users on 7/22. 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 8/215:35 am
OSL
-
IAD
1 stop15h 55m
Multiple Airlines
Sun 9/610:20 pm
IAD
-
OSL
1 stop17h 45m
Multiple Airlines
Deal found 7/22$610
This Ticket deal was found by Cheapflights users on 7/23. 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 9/178:05 pm
OSL
-
IAD
1 stop27h 20m
British Airways
Wed 9/306:15 pm
IAD
-
OSL
2 stops17h 20m
British Airways
Deal found 7/23$615
This Gotogate deal was found by Cheapflights users on 7/21. 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 9/134:30 pm
OSL
-
IAD
1 stop32h 50m
Icelandair
Tue 9/298:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Deal found 7/21$627
This Travelis deal was found by Cheapflights users on 7/24. 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 9/147:45 am
OSL
-
IAD
1 stop15h 40m
British Airways
Wed 9/235:45 pm
IAD
-
OSL
1 stop19h 30m
British Airways
Deal found 7/24$639
This Mytrip deal was found by Cheapflights users on 7/24. 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 9/139:35 pm
OSL
-
IAD
3 stops27h 45m
Multiple Airlines
Tue 9/298:30 pm
IAD
-
OSL
3 stops30h 05m
Multiple Airlines
Deal found 7/24$645
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/247:45 am
OSL
-
IAD
2 stops19h 11m
American Airlines
Wed 9/96:15 pm
IAD
-
OSL
2 stops23h 10m
American Airlines
Deal found 7/20$650
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:45 am
OSL
-
IAD
1 stop14h 30m
Lufthansa
Wed 9/910:20 pm
IAD
-
OSL
1 stop17h 45m
Lufthansa
Deal found 7/20$655

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$586
(Finnair)

One-way from

$402
(Iberia)

Popular in

June

Cheapest in

April

Average price

$697
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. 14% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 24, 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 9/13

8:30 pm-8:20 pm

2 stops29h 50m

Washington, D.C. Dulles Intl

Tue 9/29

10:25 pm-7:50 am

2 stops27h 25m

$586

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 9/3

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Mon 9/7

7:15 pm-4:40 pm

2 stops15h 25m

$669
Quickest round-trip

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 9/13

6:25 am-3:10 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Tue 9/29

10:20 pm-6:00 pm

1 stop13h 40m

$670

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 1/16

6:15 am-4:20 pm

2 stops16h 05m

Washington, D.C. Dulles Intl

Sat 6/5

10:20 pm-10:05 pm

1 stop17h 45m

$673

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 8/21

6:30 am-4:38 pm

2 stops16h 08m

Washington, D.C. Dulles Intl

Sun 9/6

7:15 pm-4:40 pm

2 stops15h 25m

$675

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 9/10

6:45 am-5:37 pm

2 stops16h 52m

Washington, D.C. Dulles Intl

Mon 9/14

5:28 pm-3:25 pm

2 stops15h 57m

$678

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 9/13

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Tue 9/29

12:25 pm-8:45 am

2 stops14h 20m

$684
Cheapest one-way

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 9/30

11:35 am-10:51 pm

2 stops17h 16m

$416

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 9/28

7:45 am-10:51 pm

2 stops21h 06m

$416
Quickest one-way

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 9/26

1:35 pm-7:10 pm

1 stop11h 35m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • 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?

Booking 82 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, April is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport (average of $462). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $805). 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?

Airfare is below average for this route at the moment.

Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $629 and $794 in September.
The cheapest round-trip price found within the last 5 days was $586 on Finnair (Sep 13-Sep 29).

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 July 24, 2026.
Read reviews from past customers who have flown KLM,Scandinavian Airlines, andLufthansa 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.
KLM
7.8
Good
1,545 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,545 reviews
KLM
7.8
Good
1,545 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Scandinavian Airlines
7.4
Good
1,900 reviews
KLM
7.8
Good
1,545 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Lufthansa
6.8
Okay
8,157 reviews
KLM
7.8
Good
1,545 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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, Delta, and United Airlines can get you from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in just under 14h 45m. Your travel time can differ by up to 15h 05m. 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 $479. Other airlines that can offer you cheap pricing are Lufthansa, from $494, and Scandinavian Airlines, from $496. KLM is 21% 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 ($369), Icelandair ($453), and Scandinavian Airlines ($473).

  • 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, April is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport (average of $462). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $805). 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
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

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Top 3 airlines flying from Oslo Gardermoen to Dulles Intl

Discover the top 3 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$479Average$840FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$494Average$1,014FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$496Average$705FlexibilityNo cancel feeOn-time77%

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