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Oslo Gardermoen

$421+ Cheap flights from Reagan-National (DCA) 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSL
nov. 26 — déc. 31
mer. 11/26
mer. 12/3
1 adult, Economy
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Cheap flight deals from Reagan-National to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 octobre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$449
(SmartFares)

One-way from

$421
(Booking.com)

Popular in

June

Cheapest in

February

Average price

$556
Provider with most accurate pricing for Washington, D.C. Reagan-National-Oslo Gardermoen flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Oslo Gardermoen flights.
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From Washington, D.C. Reagan-National to Oslo Gardermoen
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One-way flight from Washington, D.C. Reagan-National to Oslo Gardermoen
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Highest demand for flights based on searches. 15% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Reagan-National to Oslo Gardermoen

Cheapest flights from Reagan-National to Oslo Gardermoen
Explore the most affordable flight options available from Reagan-National to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 27, 2025.

This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/1311:05 amDCA - OSL
2 stops19h 05mMultiple Airlines
jeu. 11/206:15 amOSL - DCA
2 stops15h 16mMultiple Airlines
Deal found 10/26$487
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.
mer. 11/1211:05 amDCA - OSL
2 stops19h 05mAir Canada
mer. 11/196:05 amOSL - DCA
2 stops15h 26mAir Canada
Deal found 10/25$510
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/47:00 pmDCA - OSL
2 stops16h 40mUnited Airlines
mar. 11/116:15 amOSL - DCA
2 stops15h 16mUnited Airlines
Deal found 10/25$512
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/233:09 pmDCA - OSL
2 stops20h 01mUnited Airlines
jeu. 11/276:15 amOSL - DCA
2 stops34h 11mUnited Airlines
Deal found 10/26$514
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/93:30 pmDCA - OSL
2 stops20h 10mUnited Airlines
mar. 12/166:15 amOSL - DCA
2 stops18h 52mUnited Airlines
Deal found 10/25$522
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/13:15 pmDCA - OSL
2 stops15h 40mUnited Airlines
lun. 12/86:15 amOSL - DCA
2 stops15h 16mUnited Airlines
Deal found 10/25$525
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/113:54 pmDCA - OSL
2 stops16h 21mAmerican Airlines
lun. 12/1511:35 amOSL - DCA
2 stops17h 59mAmerican Airlines
Deal found 10/25$526
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/228:40 pmDCA - OSL
2 stops34h 25mAir Canada
jeu. 11/276:15 amOSL - DCA
2 stops21h 41mAir Canada
Deal found 10/26$527
This Air Canada deal was found by Cheapflights users on 10/24. 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.
mer. 12/311:05 amDCA - OSL
2 stops19h 05mAir Canada
dim. 12/71:50 pmOSL - DCA
2 stops31h 41mAir Canada
Deal found 10/24$529
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/238:10 pmDCA - OSL
2 stops15h 20mUnited Airlines
jeu. 12/46:15 amOSL - DCA
2 stops17h 50mUnited Airlines
Deal found 10/26$531
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/246:00 amDCA - OSL
2 stops24h 10mAir Canada
lun. 12/16:15 amOSL - DCA
2 stops34h 06mAir Canada
Deal found 10/25$540
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/233:09 pmDCA - OSL
2 stops20h 01mUnited Airlines
mar. 12/21:45 pmOSL - DCA
2 stops33h 11mUnited Airlines
Deal found 10/26$543

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 octobre 27, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport that are best for you.

Fly from

Reagan-National

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

jeu. 11/13

11:05 am-12:10 pm

2 stops19h 05m

Oslo Gardermoen

jeu. 11/20

6:15 am-3:31 pm

2 stops15h 16m

$487

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

dim. 1/11

11:05 am-5:40 pm

2 stops24h 35m

Oslo Gardermoen

ven. 1/16

9:35 am-7:45 pm

2 stops16h 10m

$494

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

dim. 1/11

11:05 am-12:10 pm

2 stops19h 05m

Oslo Gardermoen

dim. 1/18

9:35 am-7:45 pm

2 stops16h 10m

$495

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

mer. 11/12

11:05 am-12:10 pm

2 stops19h 05m

Oslo Gardermoen

mer. 11/19

6:05 am-3:31 pm

2 stops15h 26m

$510

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

mar. 11/4

7:00 pm-5:40 pm

2 stops16h 40m

Oslo Gardermoen

mar. 11/11

6:15 am-3:31 pm

2 stops15h 16m

$512

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

mer. 12/3

11:13 am-11:15 am

2 stops18h 02m

Oslo Gardermoen

dim. 12/7

6:55 pm-10:57 pm

2 stops34h 02m

$512

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

dim. 12/7

11:13 am-1:10 pm

2 stops19h 57m

Oslo Gardermoen

ven. 12/12

5:55 am-10:57 pm

2 stops23h 02m

$512

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

dim. 11/23

3:09 pm-5:10 pm

2 stops20h 01m

Oslo Gardermoen

mer. 11/26

6:05 am-10:26 am

2 stops34h 21m

$514

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

lun. 11/24

3:10 pm-5:10 pm

2 stops20h 00m

Oslo Gardermoen

jeu. 11/27

6:15 am-3:31 pm

2 stops15h 16m

$514

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

dim. 11/23

3:09 pm-5:10 pm

2 stops20h 01m

Oslo Gardermoen

jeu. 11/27

6:15 am-10:26 am

2 stops34h 11m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 results
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Compare providers for flights from Reagan-National 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 Reagan-National to Oslo Gardermoen in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 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. Reagan-National 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. Reagan-National 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. Reagan-National 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. Reagan-National 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. Reagan-National 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 Reagan-National to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Reagan-National 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. Reagan-National Airport to Oslo Gardermoen Airport

What is the cheapest time of day to fly from DCA to OSL?

Find hourly flight availability from Reagan-National 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 octobre 27, 2025.

When flying from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 39% versus a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Oslo Gardermoen Airport?

    Airlines like Air Canada and United Airlines fly from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport in about 16h 40m. The time it takes to get you to your destination can typically vary by up to 2h 25m. Airlines will cover a distance of 3877 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Reagan-National to Oslo Gardermoen that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Oslo Gardermoen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Oslo Gardermoen?

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

  • Can I find deals for business class flights from Reagan-National to Oslo Gardermoen?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

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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