HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo Gardermoen

$166+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSL
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Oslo Gardermoen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Oslo Gardermoen are usually found in April or November, booked 54 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap 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 octubre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$347
(eDestinos)

One-way from

$166
(oojo)

Popular in

June

Cheapest in

April

Average price

$580
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 ($128 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 October 2025
Search Deals

Find 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 octubre 27, 2025.

This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/297:40 pmIAD - OSL
1 stop9h 55mIcelandair
sáb. 12/61:10 pmOSL - IAD
1 stop11h 20mIcelandair
Deal found 10/27$392
This Booking.com deal was found by Cheapflights users on 10/27. 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.
jue. 11/137:40 pmIAD - OSL
1 stop9h 55mIcelandair
mié. 11/261:10 pmOSL - IAD
1 stop11h 20mIcelandair
Deal found 10/27$394
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/15:30 pmIAD - OSL
1 stop18h 25mTAP AIR PORTUGAL
lun. 12/86:45 pmOSL - IAD
1 stop25h 50mTAP AIR PORTUGAL
Deal found 10/25$400
This Icelandair deal was found by Cheapflights users on 10/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/187:40 pmIAD - OSL
1 stop9h 55mIcelandair
jue. 11/271:10 pmOSL - IAD
1 stop11h 20mIcelandair
Deal found 10/26$419
This Icelandair deal was found by Cheapflights users on 10/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/47:40 pmIAD - OSL
1 stop9h 55mIcelandair
lun. 12/81:10 pmOSL - IAD
1 stop11h 20mIcelandair
Deal found 10/26$442
This SmartFares deal was found by Cheapflights users on 10/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:40 pmIAD - OSL
1 stop9h 55mIcelandair
jue. 12/181:10 pmOSL - IAD
1 stop11h 20mIcelandair
Deal found 10/25$470
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:00 pmIAD - OSL
1 stop13h 00mLufthansa
jue. 11/206:15 amOSL - IAD
1 stop15h 35mLufthansa
Deal found 10/26$478
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/139:45 amIAD - OSL
2 stops20h 25mAir Canada
mié. 11/266:05 amOSL - IAD
2 stops20h 49mAir Canada
Deal found 10/27$485
This CrystalTravel deal was found by Cheapflights users on 10/26. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/610:55 pmIAD - OSL
1 stop12h 45mLufthansa
dom. 11/99:35 amOSL - IAD
1 stop12h 15mLufthansa
Deal found 10/26$487

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 octubre 27, 2025.
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

lun. 12/1

5:30 pm-5:55 pm

1 stop18h 25m

Oslo Gardermoen

lun. 12/8

6:45 pm-2:35 pm

1 stop25h 50m

$400

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

dom. 1/11

12:30 pm-11:15 am

2 stops16h 45m

Oslo Gardermoen

dom. 1/18

9:05 pm-3:20 pm

1 stop24h 15m

$405

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

mié. 2/25

12:30 pm-2:15 pm

2 stops19h 45m

Oslo Gardermoen

mié. 3/4

5:55 am-5:15 pm

1 stop17h 20m

$405

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 12/4

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

lun. 12/8

1:10 pm-6:30 pm

1 stop11h 20m

$442

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

lun. 3/30

12:30 pm-12:55 pm

2 stops18h 25m

Oslo Gardermoen

mié. 4/15

8:00 am-4:50 pm

1 stop14h 50m

$475

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

vie. 2/13

10:30 pm-5:55 pm

1 stop13h 25m

Oslo Gardermoen

vie. 2/20

1:00 pm-3:15 pm

1 stop32h 15m

$476

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

dom. 11/23

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

jue. 11/27

1:45 pm-8:15 pm

1 stop12h 30m

$507

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

lun. 12/1

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

lun. 12/8

6:15 am-8:59 pm

2 stops20h 44m

$507

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

mié. 12/3

10:30 pm-6:05 pm

1 stop13h 35m

$166

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

mié. 12/10

10:30 pm-6:05 pm

1 stop13h 35m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 12 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice 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 Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport is 53 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $378). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in July is currently the most expensive (average of $545). 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 IAD to OSL?

Find hourly flight availability from Dulles Intl to Oslo Gardermoen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 27, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in the morning. If you’re flexible enough to do this you can expect to save up to 59% on your trip compared to booking a flight at noon.

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 octubre 27, 2025.
Get a feel of what it's like to fly with Scandinavian Airlines, United Airlines, and Icelandair 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.
Scandinavian Airlines
7.4
Good
1,543 reviews

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

6.6

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
1,543 reviews
Scandinavian Airlines
7.4
Good
1,543 reviews

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

6.6

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
8,997 reviews
Scandinavian Airlines
7.4
Good
1,543 reviews

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

6.6

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
Icelandair
7.1
Good
562 reviews
Scandinavian Airlines
7.4
Good
1,543 reviews

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

6.6

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
7,532 reviews
Scandinavian Airlines
7.4
Good
1,543 reviews

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

6.6

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
7,476 reviews
Scandinavian Airlines
7.4
Good
1,543 reviews

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

6.6

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 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 9h 55m. TAP AIR PORTUGAL provides one of the quickest options available for as low as $420. 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 $392, 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 Scandinavian Airlines and British Airways. You may be able to fly from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport for 34% less than the average price by searching for these airlines.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

    Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport flights have a layover in Reykjavik most of the time.

  • What are some popular things to do or see while on a layover in Reykjavik?

    Reykjavik travelers tend to visit Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool more than anywhere else. Harpa, Hallgrímskirkja and Laugardalslaug Geothermal Pool are located about 23.3 mi, 23.2 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl if you are interested in checking them out. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $48 per day.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport flights?

    Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport flights have a layover in Copenhagen least often.

  • 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $378). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in July is currently the most expensive (average of $545). 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
Gardermoen

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Oslo Gardermoen

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

Top 8 airlines flying from Dulles Intl to Oslo Gardermoen

Discover the top 8 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 octubre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$392Average$583FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$615FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$517Average$705FlexibilityNo cancel feeOn-time70%
DeltaCheapest$532Average$575FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$542Average$720FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$543Average$574FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$545Average$748FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$549Average$728FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.