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Oslo Gardermoen

$222+ Cheap flights from Dulles Intl (IAD) to Oslo Gardermoen (OSL)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSL
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Find cheap flights from Dulles Intl to Oslo Gardermoen with Cheapflights

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Cheap flight deals from Dulles Intl to Oslo Gardermoen

Cheapest flights from Dulles Intl to Oslo Gardermoen
Explore the most affordable flight options available from Dulles Intl to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:35 pm
IAD
-
OSL
1 stop13h 15m
TAP AIR PORTUGAL
Thu 8/2712:50 pm
OSL
-
IAD
1 stop32h 20m
TAP AIR PORTUGAL
Deal found 7/23$620
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:20 pm
IAD
-
OSL
1 stop12h 35m
Scandinavian Airlines
Sun 9/611:00 am
OSL
-
IAD
1 stop12h 00m
Scandinavian Airlines
Deal found 7/21$621
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Wed 9/94:30 pm
OSL
-
IAD
1 stop32h 50m
Icelandair
Deal found 7/21$622
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:30 pm
IAD
-
OSL
1 stop12h 55m
Icelandair
Sat 9/54:30 pm
OSL
-
IAD
1 stop11h 45m
Icelandair
Deal found 7/22$627
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:59 pm
IAD
-
OSL
2 stops31h 21m
Scandinavian Airlines
Mon 12/79:05 pm
OSL
-
IAD
2 stops28h 05m
Scandinavian Airlines
Deal found 7/22$628
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:20 pm
IAD
-
OSL
1 stop31h 15m
Icelandair
Fri 8/214:30 pm
OSL
-
IAD
1 stop11h 45m
Icelandair
Deal found 7/21$629
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:20 pm
IAD
-
OSL
1 stop10h 35m
Scandinavian Airlines
Fri 8/216:00 am
OSL
-
IAD
1 stop17h 00m
Scandinavian Airlines
Deal found 7/21$631
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:35 pm
IAD
-
OSL
1 stop13h 15m
TAP AIR PORTUGAL
Sun 9/136:50 pm
OSL
-
IAD
1 stop26h 20m
TAP AIR PORTUGAL
Deal found 7/22$632
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:20 pm
IAD
-
OSL
1 stop11h 45m
Scandinavian Airlines
Sat 9/59:55 am
OSL
-
IAD
1 stop13h 05m
Scandinavian Airlines
Deal found 7/22$635
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:59 pm
IAD
-
OSL
1 stop28h 46m
Scandinavian Airlines
Sun 8/306:00 am
OSL
-
IAD
1 stop17h 00m
Scandinavian Airlines
Deal found 7/20$636
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:05 pm
IAD
-
OSL
1 stop18h 45m
TAP AIR PORTUGAL
Sun 8/2312:50 pm
OSL
-
IAD
1 stop32h 20m
TAP AIR PORTUGAL
Deal found 7/20$640
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:25 pm
IAD
-
OSL
2 stops16h 40m
Scandinavian Airlines
Tue 9/159:00 pm
OSL
-
IAD
1 stop26h 00m
Scandinavian Airlines
Deal found 7/23$641

Find flight deals from Dulles Intl to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Oslo Gardermoen (OSL). 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

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$606
(oojo)

One-way from

$222
(Mytrip)

Popular in

June

Cheapest in

April

Average price

$742
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Oslo Gardermoen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Oslo Gardermoen flights.
Search Deals
From Washington, D.C. Dulles Intl to Oslo Gardermoen
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Oslo Gardermoen
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 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 Dulles Intl to Oslo Gardermoen 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 Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Fri 8/21

8:20 pm-12:55 pm

1 stop10h 35m

Oslo Gardermoen

Tue 9/8

7:20 pm-5:00 pm

1 stop27h 40m

$635

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 1/19

4:00 pm-1:50 pm

2 stops15h 50m

Oslo Gardermoen

Wed 1/27

12:35 pm-3:45 pm

1 stop33h 10m

$730

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 8/11

5:40 pm-5:15 pm

1 stop17h 35m

Oslo Gardermoen

Wed 8/19

9:55 am-4:05 pm

1 stop12h 10m

$735
Quickest round-trip

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 12/26

8:30 pm-1:10 pm

1 stop10h 40m

Oslo Gardermoen

Thu 1/7

8:00 am-5:15 pm

1 stop15h 15m

$735

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 8/13

10:20 pm-10:05 pm

1 stop17h 45m

Oslo Gardermoen

Thu 8/20

6:45 am-3:15 pm

1 stop14h 30m

$739

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 1/13

5:00 pm-1:50 pm

2 stops14h 50m

Oslo Gardermoen

Wed 1/20

6:05 am-7:10 pm

2 stops19h 05m

$740

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 9/13

6:26 pm-4:40 pm

2 stops16h 14m

Oslo Gardermoen

Fri 9/18

9:20 am-3:35 pm

1 stop12h 15m

$768

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 9/3

6:16 am-5:15 pm

2 stops28h 59m

Oslo Gardermoen

Thu 9/10

9:55 am-4:05 pm

1 stop12h 10m

$775

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 12/22

7:00 am-9:20 am

2 stops20h 20m

Oslo Gardermoen

Thu 12/31

11:05 am-5:15 pm

1 stop12h 10m

$790

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 8/16

5:47 pm-4:20 pm

2 stops16h 33m

Oslo Gardermoen

Sat 8/22

6:30 am-8:05 pm

2 stops19h 35m

$798

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 23 resultsSorted by cheapest first
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3

Compare providers for flights from Dulles Intl to Oslo Gardermoen

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 Dulles Intl to Oslo Gardermoen in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 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 Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flights, Cheapflights users trust Ovago the most. Ovago 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 Washington, D.C. Dulles Intl Airport-Oslo Gardermoen 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 Dulles Intl to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

The best time to book flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $455). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in June is currently the most expensive (average of $855). 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 Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

Airfare is typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport flights typically cost between $602 and $858 in October.
The cheapest round-trip price found within the last 5 days was $606 on Icelandair (Oct 14-Oct 21).

Reviews of airlines servicing Oslo Gardermoen

Get insights into the airlines that provide service to Oslo Gardermoen. 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 Oslo Gardermoen. Reviews last updated July 24, 2026.
Get a feel of what it's like to fly with KLM,Scandinavian Airlines, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,544 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Scandinavian Airlines
7.4
Good
1,899 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
10,026 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
717 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,156 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Oslo Gardermoen. 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 Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

    A quick flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport can take about 10h 35m. Scandinavian Airlines provides one of the quickest options available for as low as $635. The distance between Washington, D.C. Dulles Intl Airport and Oslo Gardermoen Airport is about 3885 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport round-trip?

    Icelandair, at $399, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Scandinavian Airlines. You may be able to fly from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport for 36% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport are TAP AIR PORTUGAL ($158), Icelandair ($272), and Aer Lingus ($466).

  • Can I find deals for flights from Dulles Intl to Oslo Gardermoen that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Oslo Gardermoen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Oslo Gardermoen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Oslo Gardermoen.

  • Can I find deals for business class flights from Dulles Intl to Oslo Gardermoen?

    Yes. Cheapflights offers flight deals from Dulles Intl to Oslo Gardermoen 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 Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $455). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in June is currently the most expensive (average of $855). 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

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Top 6 airlines flying from Dulles Intl to Oslo Gardermoen

Discover the top 6 airlines that operate flights from Dulles Intl to Oslo Gardermoen. 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
IcelandairCheapest$399Average$626FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$401Average$481FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$430Average$724FlexibilityNo cancel feeOn-time77%
KLMCheapest$514Average$618FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$522Average$739FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$529Average$678FlexibilityNo cancel feeOn-time76%

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