Oslo Gardermoen

$266+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSL
Aug 3 — Aug 101
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Oslo Gardermoen are usually found in April or November, booked 53 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 29, 2025.

Round-trip from

$481
(Ticket)

One-way from

$266
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$706
From Washington, D.C. Dulles Intl to Oslo Gardermoen
One-way flight from Washington, D.C. Dulles Intl to Oslo Gardermoen
Highest demand for flights based on searches. 16% potential increase in price ($118 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 29, 2025.

This Ticket deal was found by Cheapflights users on 7/28. 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 9/118:30 pmIAD - OSL
1 stop12h 55mIcelandair
Thu 9/181:50 pmOSL - IAD
1 stop11h 30mIcelandair
Deal found 7/28$481
This Booking.com deal was found by Cheapflights users on 7/28. 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.
Mon 12/11:20 pmIAD - OSL
2 stops16h 50mMultiple Airlines
Mon 12/81:00 pmOSL - IAD
1 stop33h 40mMultiple Airlines
Deal found 7/28$485
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 11/55:29 pmIAD - OSL
2 stops14h 41mAmerican Airlines
Wed 11/1211:50 amOSL - IAD
2 stops17h 17mAmerican Airlines
Deal found 7/28$490
This Finnair deal was found by Cheapflights users on 7/28. 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.
Mon 12/16:20 pmIAD - OSL
2 stops31h 40mFinnair
Mon 12/88:50 pmOSL - IAD
2 stops24h 45mFinnair
Deal found 7/28$491
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:20 pmIAD - OSL
2 stops16h 50mAir Canada
Tue 12/26:45 amOSL - IAD
2 stops20h 14mAir Canada
Deal found 7/27$492
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 8/2510:20 pmIAD - OSL
1 stop13h 45mLufthansa
Mon 9/16:35 amOSL - IAD
1 stop12h 55mLufthansa
Deal found 7/28$507
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 12/111:10 pmIAD - OSL
1 stop12h 35mUnited Airlines
Mon 12/81:50 pmOSL - IAD
2 stops15h 31mUnited Airlines
Deal found 7/28$509
This oojo deal was found by Cheapflights users on 7/27. 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.
Sun 9/1410:05 pmIAD - OSL
1 stop18h 30mScandinavian Airlines
Sat 9/208:55 pmOSL - IAD
1 stop29h 04mScandinavian Airlines
Deal found 7/27$510
This Orbitz deal was found by Cheapflights users on 7/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:20 pmIAD - OSL
1 stop17h 10mBritish Airways
Fri 11/147:10 amOSL - IAD
2 stops21h 57mBritish Airways
Deal found 7/28$512

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 29, 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 9/11

8:30 pm-3:25 pm

1 stop12h 55m

Oslo Gardermoen

Thu 9/18

1:50 pm-7:20 pm

1 stop11h 30m

$481

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 8/17

8:45 pm-1:05 pm

1 stop34h 20m

Oslo Gardermoen

Mon 8/25

6:45 am-9:01 pm

2 stops20h 16m

$492

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 8/17

2:25 pm-6:05 pm

2 stops21h 40m

Oslo Gardermoen

Mon 8/25

6:45 am-9:01 pm

2 stops20h 16m

$501

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/25

10:20 pm-6:05 pm

1 stop13h 45m

Oslo Gardermoen

Mon 9/1

6:35 am-1:30 pm

1 stop12h 55m

$507

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 9/14

10:05 pm-10:35 pm

1 stop18h 30m

Oslo Gardermoen

Sat 9/20

8:55 pm-7:59 pm

1 stop29h 04m

$510

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 8/26

7:25 pm-11:25 pm

2 stops22h 00m

Oslo Gardermoen

Tue 9/2

7:45 am-6:52 pm

2 stops17h 07m

$522

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 8/16

10:20 pm-10:10 pm

1 stop17h 50m

Oslo Gardermoen

Tue 8/26

7:15 am-8:55 pm

2 stops19h 40m

$526

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 8/31

8:45 pm-11:55 pm

1 stop21h 10m

Oslo Gardermoen

Thu 9/11

5:40 am-4:15 pm

1 stop16h 35m

$545

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/18

5:50 pm-4:40 pm

2 stops16h 50m

Oslo Gardermoen

Sun 8/24

6:05 am-7:15 pm

1 stop19h 10m

$548

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 9/22

10:20 pm-2:35 pm

3 stops58h 15m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 19 results
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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 July 25, 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, 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 29, 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.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Copenhagen (CPH) – chosen by Cheapflights users on 67% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $498.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Copenhagen (CPH) have the shortest average one-way travel time for 1-stop routes: 1h 58m.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport?

Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Copenhagen (CPH) offer the fastest connection on this route, with an average layover time of 1h 01m.

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 29, 2025.
Get a feel of what it's like to fly with Delta, Air France, and SWISS 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.
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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!
8.0
Very good
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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!
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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!
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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!
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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!
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

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?

    Icelandair, at $481, 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 Air Canada and Lufthansa. 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 TAP AIR PORTUGAL ($289), Icelandair ($355), and Delta ($383).

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

  • 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 $69 per day.

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

  • 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 Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Gardermoen

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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.

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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$389Average$602FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$621FlexibilityNo cancel feeOn-time77%
DeltaCheapest$501Average$589FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$512Average$684FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$535Average$719FlexibilityNo cancel feeOn-time76%
KLMCheapest$548Average$784FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$563Average$751FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$566Average$616FlexibilityNo cancel feeOn-time77%

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