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Oslo Gardermoen

$158+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSL
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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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 February 13, 2026.

This eDestinos deal was found by Cheapflights users on 2/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Thu 4/304:30 pm
OSL
-
IAD
1 stop32h 50m
Icelandair
Deal found 2/12$383
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:30 pm
IAD
-
OSL
1 stop12h 55m
Icelandair
Wed 4/221:50 pm
OSL
-
IAD
1 stop11h 30m
Icelandair
Deal found 2/10$397
This oojo deal was found by Cheapflights users on 2/12. 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.
Thu 4/168:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Thu 4/231:50 pm
OSL
-
IAD
1 stop11h 30m
Icelandair
Deal found 2/12$398
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:40 pm
IAD
-
OSL
1 stop9h 55m
Icelandair
Tue 3/314:30 pm
OSL
-
IAD
1 stop32h 50m
Icelandair
Deal found 2/9$399
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Sun 5/31:50 pm
OSL
-
IAD
1 stop11h 30m
Icelandair
Deal found 2/10$405
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Wed 5/61:50 pm
OSL
-
IAD
1 stop11h 30m
Icelandair
Deal found 2/10$413
This oojo deal was found by Cheapflights users on 2/12. 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.
Fri 5/18:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Sat 5/91:50 pm
OSL
-
IAD
1 stop11h 30m
Icelandair
Deal found 2/12$414
This oojo deal was found by Cheapflights users on 2/11. 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 11/2210:30 pm
IAD
-
OSL
1 stop13h 25m
TAP AIR PORTUGAL
Sun 11/291:00 pm
OSL
-
IAD
1 stop32h 15m
TAP AIR PORTUGAL
Deal found 2/11$431
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:35 pm
IAD
-
OSL
1 stop13h 15m
TAP AIR PORTUGAL
Tue 9/86:50 pm
OSL
-
IAD
1 stop26h 20m
TAP AIR PORTUGAL
Deal found 2/10$433
This oojo deal was found by Cheapflights users on 2/12. 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.
Mon 3/3010:35 pm
IAD
-
OSL
1 stop13h 15m
TAP AIR PORTUGAL
Wed 4/156:50 pm
OSL
-
IAD
1 stop26h 20m
TAP AIR PORTUGAL
Deal found 2/12$434

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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$397
(oojo)

One-way from

$158
(oojo)

Popular in

June

Cheapest in

January

Average price

$556
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. 15% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 13, 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

Dulles Intl

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 2/23

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Fri 2/27

1:10 pm-6:30 pm

1 stop11h 20m

$463

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 4/20

6:50 pm-6:45 pm

2 stops17h 55m

Oslo Gardermoen

Mon 4/27

9:20 am-3:35 pm

1 stop12h 15m

$511

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 4/29

6:50 pm-6:45 pm

2 stops17h 55m

Oslo Gardermoen

Sun 5/3

9:20 am-3:35 pm

1 stop12h 15m

$511

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 8/12

1:00 pm-1:45 pm

2 stops18h 45m

Oslo Gardermoen

Fri 8/21

11:50 am-3:35 pm

1 stop33h 45m

$511

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 5/21

8:30 pm-3:25 pm

1 stop12h 55m

Oslo Gardermoen

Mon 5/25

4:30 pm-7:20 pm

1 stop32h 50m

$512

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 4/22

6:50 pm-6:45 pm

2 stops17h 55m

Oslo Gardermoen

Thu 4/30

9:20 am-3:35 pm

1 stop12h 15m

$512

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 3/15

6:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

Tue 3/24

1:45 pm-9:15 pm

1 stop12h 30m

$516

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 8/12

10:20 pm-10:05 pm

1 stop17h 45m

Oslo Gardermoen

Thu 8/20

9:55 am-4:05 pm

1 stop12h 10m

$516

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 2/23

5:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

Fri 2/27

6:15 am-3:50 pm

1 stop15h 35m

$516

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 4/30

10:20 pm-5:55 pm

1 stop13h 35m

Oslo Gardermoen

Wed 5/6

6:35 am-4:22 pm

2 stops15h 47m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 22 results
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 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 Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flight deals on Cheapflights vs. FlightHub >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 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 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?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Oslo Gardermoen. Price data was last updated on February 6, 2026.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport is 42 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $385). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in July is currently the most expensive (average of $544). 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?

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 February 13, 2026.
Get a feel of what it's like to fly with KLM, United Airlines, and Scandinavian 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
7.7
Good
1,452 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,452 reviews
KLM
7.7
Good
1,452 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,286 reviews
KLM
7.7
Good
1,452 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Scandinavian Airlines
7.3
Good
1,682 reviews
KLM
7.7
Good
1,452 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Icelandair
7.1
Good
614 reviews
KLM
7.7
Good
1,452 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,782 reviews
KLM
7.7
Good
1,452 reviews

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 11h 20m. Delta provides one of the quickest options available for as low as $516. 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?

    Scandinavian Airlines, at $400, 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 Icelandair and British Airways. You may be able to fly from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport for 30% 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 ($159), Icelandair ($207), and United Airlines ($242).

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $385). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in July is currently the most expensive (average of $544). 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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Alternative routes for Dulles Intl to Oslo Gardermoen

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Oslo Gardermoen flights
Reagan-National to Oslo Gardermoen flights
Dulles Intl to Sandefjord flights
Baltimore to Sandefjord flights

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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$400Average$664FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$407Average$576FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$512Average$674FlexibilityNo cancel feeOn-time70%
KLMCheapest$513Average$588FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$522Average$739FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$529Average$670FlexibilityNo cancel feeOn-time76%

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