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Oslo Gardermoen

$292+ Cheap flights from Washington, D.C. (WAS) 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.
WAS — OSL
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Oslo Gardermoen are usually found in February or January, booked 86 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap flight deals from Washington, D.C. to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$452
(oojo)

One-way from

$292
(CrystalTravel)

Popular in

June

Cheapest in

February

Average price

$523
Provider with most accurate pricing for Washington, D.C. (WAS)-Oslo Gardermoen flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Oslo Gardermoen flights.
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From Washington, D.C. (WAS) to Oslo Gardermoen
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One-way flight from Washington, D.C. (WAS) to Oslo Gardermoen
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Washington, D.C. to Oslo Gardermoen

Cheapest flights from Washington, D.C. to Oslo Gardermoen
Explore the most affordable flight options available from Washington, D.C. to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This oojo deal was found by Cheapflights users on 4/23. 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 8/128:30 pmBWI - OSL
1 stop12h 55mIcelandair
Tue 8/194:30 pmOSL - BWI
1 stop32h 55mIcelandair
Deal found 4/23$452
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Wed 10/86:50 pmBWI - OSL
1 stop12h 25mMultiple Airlines
Sun 10/125:00 pmOSL - BWI
1 stop30h 40mMultiple Airlines
Deal found 4/22$482
This FlightHub deal was found by Cheapflights users on 4/23. 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 8/78:30 pmIAD - OSL
1 stop12h 55mIcelandair
Thu 8/144:30 pmOSL - IAD
1 stop11h 40mIcelandair
Deal found 4/23$482
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Mon 8/1110:05 pmIAD - OSL
1 stop10h 05mScandinavian Airlines
Mon 8/181:35 pmOSL - IAD
1 stop12h 24mScandinavian Airlines
Deal found 4/23$494
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 11/61:44 pmDCA - OSL
2 stops15h 11mAmerican Airlines
Tue 11/111:15 pmOSL - DCA
2 stops15h 18mAmerican Airlines
Deal found 4/23$559
This British Airways deal was found by Cheapflights users on 4/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/169:20 pmBWI - OSL
1 stop13h 05mBritish Airways
Tue 8/267:45 amOSL - BWI
1 stop17h 50mBritish Airways
Deal found 4/23$565
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2911:00 amDCA - OSL
2 stops19h 10mAir Canada
Sat 12/66:20 amOSL - DCA
2 stops14h 59mAir Canada
Deal found 4/23$565
This Travelocity deal was found by Cheapflights users on 4/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:30 pmDCA - OSL
2 stops23h 40mMultiple Airlines
Tue 8/196:35 amOSL - DCA
2 stops15h 13mMultiple Airlines
Deal found 4/23$567
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 8/135:00 pmDCA - OSL
2 stops14h 45mDelta
Wed 8/206:00 amOSL - DCA
2 stops18h 12mDelta
Deal found 4/23$570
This SWISS deal was found by Cheapflights users on 4/23. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:45 pmIAD - OSL
1 stop21h 10mSWISS
Fri 8/225:40 amOSL - IAD
1 stop16h 35mSWISS
Deal found 4/23$573
This Delta deal was found by Cheapflights users on 4/22. 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.
Tue 8/125:30 pmBWI - OSL
2 stops14h 15mDelta
Tue 8/1911:50 amOSL - BWI
2 stops15h 53mDelta
Deal found 4/22$575
This British Airways deal was found by Cheapflights users on 4/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:45 pmDCA - OSL
2 stops15h 25mBritish Airways
Sat 12/1311:25 amOSL - DCA
2 stops16h 50mBritish Airways
Deal found 4/23$580

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 April 24, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Oslo Gardermoen Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Tue 8/12

8:30 pm-3:25 pm

1 stop12h 55m

Oslo Gardermoen

Tue 8/19

4:30 pm-7:25 pm

1 stop32h 55m

$452

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Wed 10/8

6:50 pm-1:15 pm

1 stop12h 25m

Oslo Gardermoen

Sun 10/12

5:00 pm-5:40 pm

1 stop30h 40m

$482

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 4/28

8:30 pm-12:35 pm

1 stop10h 05m

Oslo Gardermoen

Wed 5/14

1:50 pm-7:20 pm

1 stop11h 30m

$498

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Sat 8/16

9:20 pm-4:25 pm

1 stop13h 05m

Oslo Gardermoen

Tue 8/26

7:45 am-7:35 pm

1 stop17h 50m

$565

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 7/14

10:05 pm-12:10 am

1 stop20h 05m

Oslo Gardermoen

Tue 8/12

2:45 pm-7:59 pm

1 stop11h 14m

$567

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Tue 8/12

5:30 pm-1:45 pm

2 stops14h 15m

Oslo Gardermoen

Tue 8/19

11:50 am-9:43 pm

2 stops15h 53m

$575

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 5/13

8:45 pm-11:55 pm

1 stop21h 10m

Oslo Gardermoen

Tue 5/20

5:40 am-4:15 pm

1 stop16h 35m

$577

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 5/12

10:40 pm-11:30 pm

1 stop18h 50m

Oslo Gardermoen

Sat 5/24

8:20 am-8:10 pm

1 stop17h 50m

$598

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 5/5

10:40 pm-11:30 pm

1 stop18h 50m

Oslo Gardermoen

Mon 5/12

8:00 am-8:05 pm

1 stop18h 05m

$600

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sat 5/10

4:35 pm-6:05 pm

2 stops19h 30m

Oslo Gardermoen

Sat 5/31

9:50 am-9:53 pm

2 stops18h 03m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 46 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Oslo Gardermoen in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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.-Oslo Gardermoen Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Oslo Gardermoen Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-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.-Oslo Gardermoen Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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.-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 Washington, D.C. to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Washington, D.C. 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. to Oslo Gardermoen Airport

How far ahead should I book a flight from Washington, D.C. to Oslo Gardermoen Airport?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Oslo Gardermoen. Price data was last updated on April 18, 2025.

The best time to book flights from Washington, D.C. to Oslo Gardermoen Airport is 86 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. to Oslo Gardermoen Airport?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Oslo Gardermoen Airport (average of $567). Flying from Washington, D.C. to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,101). 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 WAS to OSL?

Find hourly flight availability from Washington, D.C. 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 April 24, 2025.

It’s typically best to fly out from Washington, D.C. to Oslo Gardermoen Airport in the morning. Doing so could potentially save you 38% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo Gardermoen Airport ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo Gardermoen Airport when rainfall is around 1.6 in.

Temperature in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo Gardermoen Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

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 April 24, 2025.
To help decide which airline to fly from Washington, D.C. to Oslo, see what other customers have to say about Delta, KLM and Austrian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,442 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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. to Oslo Gardermoen Airport round-trip?

    Our cheapest airline available from Washington, D.C. to Oslo Gardermoen Airport is Icelandair. Our recent data shows that you can find tickets from as low as $452 on this airline. Additional options worth looking into are Scandinavian Airlines and British Airways, starting at $494 and $565 round-trip. Icelandair is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Oslo Gardermoen Airport one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $292. Delta flights start at $412 while deals on Austrian Airlines start at $453 one-way.

  • What are the most popular routes from Washington, D.C. to Oslo Gardermoen Airport?

    The most popular route from Washington, D.C. to Oslo Gardermoen Airport is Washington, D.C. Dulles Intl - Oslo Gardermoen. You may also consider Baltimore/Washington - Oslo Gardermoen or Washington, D.C. Reagan-National - Oslo Gardermoen.

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

    Washington, D.C. 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?

    Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. 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. Travelers can book a car rental at Reykjavik Keflavik Intl for about $47 per day to make their sightseeing more efficient.

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

    Washington, D.C. to Oslo Gardermoen Airport flights that have layovers will least frequently stop in Copenhagen.

  • Can I find deals for flights from Washington, D.C. to Oslo Gardermoen that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Oslo Gardermoen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Oslo Gardermoen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Oslo Gardermoen.

  • Can I find deals for business class flights from Washington, D.C. to Oslo Gardermoen?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Oslo Gardermoen Airport?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Oslo Gardermoen Airport (average of $567). Flying from Washington, D.C. to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,101). 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 Washington, D.C. to Oslo Gardermoen

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

Top 8 airlines flying from Washington, D.C. to Oslo Gardermoen

Discover the top 8 airlines that operate flights from Washington, D.C. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$395Average$619FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$411Average$673FlexibilityNo cancel feeOn-time77%
DeltaCheapest$501Average$592FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$512Average$760FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$531Average$752FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$719FlexibilityNo cancel feeOn-time76%
KLMCheapest$542Average$720FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$566Average$640FlexibilityNo cancel feeOn-time77%

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