HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo Gardermoen

$200+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSL
Jul 16 — Jul 231
Wed 7/16
Wed 7/23
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 79 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 July 11, 2025.

Round-trip from

$476
(CrystalTravel)

One-way from

$200
(Cheapflightsfares)

Popular in

June

Cheapest in

April

Average price

$690
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. 16% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 11, 2025.

This FlightHub deal was found by Cheapflights users on 7/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:15 pmIAD - OSL
1 stop10h 10mIcelandair
Fri 9/124:30 pmOSL - IAD
1 stop11h 40mIcelandair
Deal found 7/9$479
This CheapOair deal was found by Cheapflights users on 7/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:55 amIAD - OSL
2 stops20h 15mMultiple Airlines
Sun 12/216:30 pmOSL - IAD
1 stop31h 35mMultiple Airlines
Deal found 7/9$498
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:33 pmIAD - OSL
2 stops18h 12mUnited Airlines
Tue 11/116:45 amOSL - IAD
1 stop13h 50mUnited Airlines
Deal found 7/10$499
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:40 pmIAD - OSL
1 stop18h 50mAmerican Airlines
Tue 9/211:15 amOSL - IAD
1 stop12h 20mAmerican Airlines
Deal found 7/10$505
This oojo deal was found by Cheapflights users on 7/9. 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.
Mon 8/1812:13 pmIAD - OSL
2 stops18h 42mScandinavian Airlines
Mon 8/257:10 amOSL - IAD
1 stop18h 49mScandinavian Airlines
Deal found 7/9$515
This CheapOair deal was found by Cheapflights users on 7/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:35 amIAD - OSL
2 stops21h 30mAir Canada
Tue 10/215:40 amOSL - IAD
2 stops16h 30mAir Canada
Deal found 7/9$521
This Delta deal was found by Cheapflights users on 7/9. 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.
Mon 8/111:00 pmIAD - OSL
2 stops18h 45mDelta
Wed 8/206:00 amOSL - IAD
2 stops19h 43mDelta
Deal found 7/9$532
This Lufthansa deal was found by Cheapflights users on 7/9. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:20 pmIAD - OSL
1 stop13h 45mLufthansa
Mon 9/157:15 amOSL - IAD
2 stops20h 04mLufthansa
Deal found 7/9$556

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 11, 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

Thu 8/28

11:15 pm-3:25 pm

1 stop10h 10m

Oslo Gardermoen

Fri 9/12

4:30 pm-10:10 pm

1 stop11h 40m

$479

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 12/10

9:55 am-12:10 pm

2 stops20h 15m

Oslo Gardermoen

Sun 12/21

6:30 pm-8:05 pm

1 stop31h 35m

$498

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 11/4

5:33 pm-5:45 pm

2 stops18h 12m

Oslo Gardermoen

Tue 11/11

6:45 am-2:35 pm

1 stop13h 50m

$499

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/18

10:40 pm-11:30 pm

1 stop18h 50m

Oslo Gardermoen

Tue 9/2

11:15 am-5:35 pm

1 stop12h 20m

$505

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/18

12:13 pm-12:55 pm

2 stops18h 42m

Oslo Gardermoen

Mon 8/25

7:10 am-7:59 pm

1 stop18h 49m

$515

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 10/14

9:35 am-1:05 pm

2 stops21h 30m

Oslo Gardermoen

Tue 10/21

5:40 am-4:10 pm

2 stops16h 30m

$521

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/11

1:00 pm-1:45 pm

2 stops18h 45m

Oslo Gardermoen

Wed 8/20

6:00 am-7:43 pm

2 stops19h 43m

$532

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 9/3

10:20 pm-6:05 pm

1 stop13h 45m

Oslo Gardermoen

Mon 9/15

7:15 am-9:19 pm

2 stops20h 04m

$556

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 9/2

8:30 pm-12:35 pm

1 stop10h 05m

$200

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 12/10

10:30 pm-6:05 pm

1 stop13h 35m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 19 results
1
2

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 June 27, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport is 79 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,010). 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 July 11, 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 15% on your trip compared to booking a flight at noon.

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 11, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Air France 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.
Delta
8.0
Very good
7,951 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,951 reviews
Delta
8.0
Very good
7,951 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very good
7,951 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very good
7,951 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,846 reviews
Delta
8.0
Very good
7,951 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,418 reviews
Delta
8.0
Very good
7,951 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Scandinavian Airlines, at $476, 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 American Airlines. You may be able to fly from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport for 21% 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 Icelandair ($200), TAP AIR PORTUGAL ($344), and British Airways ($356).

  • 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 Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool more than anywhere else. Hallgrímskirkja, Harpa and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 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 $78 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,010). 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
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 July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$389Average$607FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$638FlexibilityNo cancel feeOn-time77%
DeltaCheapest$501Average$587FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$512Average$684FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$531Average$737FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$718FlexibilityNo cancel feeOn-time76%
KLMCheapest$542Average$720FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$566Average$616FlexibilityNo cancel feeOn-time77%

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.