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Oslo Gardermoen

$271+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 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 September 11, 2025.

Round-trip from

$418
(Icelandair)

One-way from

$271
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$569
From Washington, D.C. Dulles Intl to Oslo Gardermoen
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One-way flight from Washington, D.C. Dulles Intl to Oslo Gardermoen
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Highest demand for flights based on searches. 16% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Icelandair deal was found by Cheapflights users on 9/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:30 pmIAD - OSL
1 stop10h 05mIcelandair
Wed 10/221:50 pmOSL - IAD
1 stop11h 30mIcelandair
Deal found 9/9$418
This Icelandair deal was found by Cheapflights users on 9/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:15 pmIAD - OSL
1 stop31h 20mIcelandair
Thu 10/231:50 pmOSL - IAD
1 stop11h 30mIcelandair
Deal found 9/9$420
This Icelandair deal was found by Cheapflights users on 9/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:15 pmIAD - OSL
1 stop31h 20mIcelandair
Fri 10/244:30 pmOSL - IAD
1 stop32h 50mIcelandair
Deal found 9/9$422
This oojo deal was found by Cheapflights users on 9/11. 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.
Mon 12/17:40 pmIAD - OSL
1 stop9h 55mIcelandair
Mon 12/81:10 pmOSL - IAD
1 stop11h 20mIcelandair
Deal found 9/11$428
This oojo deal was found by Cheapflights users on 9/9. 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.
Thu 9/258:30 pmIAD - OSL
1 stop10h 05mIcelandair
Tue 9/301:50 pmOSL - IAD
1 stop11h 30mIcelandair
Deal found 9/9$432
This oojo deal was found by Cheapflights users on 9/9. 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 9/168:30 pmIAD - OSL
1 stop10h 05mIcelandair
Wed 9/244:30 pmOSL - IAD
1 stop11h 40mIcelandair
Deal found 9/9$433
This oojo deal was found by Cheapflights users on 9/10. 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 12/15:30 pmIAD - OSL
1 stop18h 25mTAP AIR PORTUGAL
Mon 12/86:45 pmOSL - IAD
1 stop25h 50mTAP AIR PORTUGAL
Deal found 9/10$435
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:20 pmIAD - OSL
1 stop31h 40mTAP AIR PORTUGAL
Thu 11/66:55 pmOSL - IAD
1 stop32h 05mTAP AIR PORTUGAL
Deal found 9/10$437
This oojo deal was found by Cheapflights users on 9/10. 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.
Tue 10/1410:20 pmIAD - OSL
1 stop31h 40mTAP AIR PORTUGAL
Tue 10/216:50 pmOSL - IAD
1 stop26h 30mTAP AIR PORTUGAL
Deal found 9/10$441
This oojo deal was found by Cheapflights users on 9/9. 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 10/286:30 pmIAD - OSL
1 stop12h 40mTAP AIR PORTUGAL
Wed 11/51:00 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Deal found 9/9$442
This oojo deal was found by Cheapflights users on 9/10. 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.
Sat 11/295:30 pmIAD - OSL
1 stop12h 40mTAP AIR PORTUGAL
Sat 12/66:45 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Deal found 9/10$444
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Tue 11/45:30 pmIAD - OSL
1 stop12h 40mTAP AIR PORTUGAL
Sun 11/91:00 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Deal found 9/9$448

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 September 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

Mon 12/1

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Mon 12/8

1:10 pm-6:30 pm

1 stop11h 20m

$428

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 9/25

8:30 pm-3:25 pm

1 stop12h 55m

Oslo Gardermoen

Mon 10/6

4:45 pm-7:20 pm

1 stop32h 35m

$453

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 12/4

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Mon 12/8

1:10 pm-6:30 pm

1 stop11h 20m

$514

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 11/29

1:20 pm-12:10 pm

2 stops16h 50m

Oslo Gardermoen

Sat 12/6

6:15 am-4:21 pm

2 stops16h 06m

$528

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 10/28

6:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

Thu 11/6

1:45 pm-8:15 pm

1 stop12h 30m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 12/4

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

Mon 12/8

9:35 am-3:50 pm

1 stop12h 15m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 11/2

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

Fri 11/7

9:35 am-3:50 pm

1 stop12h 15m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 11/12

5:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

Fri 11/21

1:45 pm-8:15 pm

1 stop12h 30m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 10/30

6:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

Tue 11/4

6:15 am-8:54 pm

2 stops20h 39m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 12/4

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

Mon 12/8

6:15 am-8:59 pm

2 stops20h 44m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 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 August 29, 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 $1,005). 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 September 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.

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 September 11, 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
1,484 reviews

Boarding

7.7

Overall

7.4

Entertainment

6.7

Food

6.7

Crew

8.0

Comfort

7.3

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
1,484 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Boarding

7.7

Overall

7.4

Entertainment

6.7

Food

6.7

Crew

8.0

Comfort

7.3

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
8,937 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Boarding

7.7

Overall

7.4

Entertainment

6.7

Food

6.7

Crew

8.0

Comfort

7.3

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
7.0
Good
546 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Boarding

7.7

Overall

7.4

Entertainment

6.7

Food

6.7

Crew

8.0

Comfort

7.3

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
7,409 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Boarding

7.7

Overall

7.4

Entertainment

6.7

Food

6.7

Crew

8.0

Comfort

7.3

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
7,361 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Boarding

7.7

Overall

7.4

Entertainment

6.7

Food

6.7

Crew

8.0

Comfort

7.3

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. Icelandair provides one of the quickest options available for as low as $428. 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 $388, 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 36% 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 $58 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 $1,005). 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.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$388Average$593FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$610FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$517Average$705FlexibilityNo cancel feeOn-time70%
DeltaCheapest$538Average$597FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$543Average$581FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$545Average$750FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$560Average$725FlexibilityNo cancel feeOn-time76%
KLMCheapest$569Average$740FlexibilityNo cancel feeOn-time75%

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