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Oslo Gardermoen

$265+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSL
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Mytrip deal was found by Cheapflights users on 1/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:05 am
DCA
-
OSL
2 stops20h 05m
Multiple Airlines
Mon 3/166:15 am
OSL
-
DCA
2 stops33h 06m
Multiple Airlines
Deal found 1/24$493
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:00 pm
DCA
-
OSL
2 stops14h 45m
Delta
Fri 5/811:50 am
OSL
-
DCA
2 stops17h 36m
Delta
Deal found 1/25$519
This Mytrip deal was found by Cheapflights users on 1/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:00 am
DCA
-
OSL
2 stops25h 10m
Air Canada
Mon 3/166:15 am
OSL
-
DCA
2 stops33h 06m
Air Canada
Deal found 1/23$522
This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:59 am
DCA
-
OSL
2 stops28h 41m
Air Canada
Wed 3/46:05 am
OSL
-
DCA
2 stops15h 26m
Air Canada
Deal found 1/25$526
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:00 pm
DCA
-
OSL
2 stops17h 20m
Delta
Mon 3/99:25 am
OSL
-
DCA
2 stops18h 11m
Delta
Deal found 1/25$528
This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:40 pm
DCA
-
OSL
2 stops39h 00m
Air Canada
Mon 3/96:15 am
OSL
-
DCA
2 stops18h 30m
Air Canada
Deal found 1/25$531
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:09 pm
DCA
-
OSL
2 stops16h 06m
Delta
Mon 4/611:50 am
OSL
-
DCA
2 stops17h 54m
Delta
Deal found 1/26$532
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:00 pm
DCA
-
OSL
2 stops16h 30m
Delta
Fri 3/69:25 am
OSL
-
DCA
2 stops18h 09m
Delta
Deal found 1/25$533
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:06 am
DCA
-
OSL
2 stops15h 34m
Delta
Sun 3/89:25 am
OSL
-
DCA
2 stops18h 11m
Delta
Deal found 1/25$534
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 4/158:00 pm
DCA
-
OSL
2 stops16h 25m
United Airlines
Tue 4/216:55 am
OSL
-
DCA
2 stops17h 08m
United Airlines
Deal found 1/26$540
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 2/235:05 pm
DCA
-
OSL
2 stops18h 25m
United Airlines
Fri 2/276:15 am
OSL
-
DCA
2 stops19h 20m
United Airlines
Deal found 1/25$541
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:05 pm
DCA
-
OSL
2 stops16h 40m
Delta
Fri 5/156:30 am
OSL
-
DCA
2 stops17h 41m
Delta
Deal found 1/25$549

Find 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$519
(Delta)

One-way from

$265
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$497
Provider with most accurate pricing for Washington, D.C. Reagan-National-Oslo Gardermoen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Oslo Gardermoen flights.
Search Deals
From Washington, D.C. Reagan-National to Oslo Gardermoen
Search Deals
One-way flight from Washington, D.C. Reagan-National to Oslo Gardermoen
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 26, 2026.
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

Mon 4/27

5:00 pm-1:45 pm

2 stops14h 45m

Oslo Gardermoen

Fri 5/8

11:50 am-11:26 pm

2 stops17h 36m

$519

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Thu 5/7

3:30 pm-1:45 pm

2 stops16h 15m

Oslo Gardermoen

Mon 5/11

11:50 am-11:26 pm

2 stops17h 36m

$519

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 3/9

6:00 am-12:10 pm

2 stops25h 10m

Oslo Gardermoen

Mon 3/16

6:15 am-10:21 am

2 stops33h 06m

$522

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 2/23

6:59 am-5:40 pm

2 stops28h 41m

Oslo Gardermoen

Fri 3/6

6:15 am-3:31 pm

2 stops15h 16m

$526

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 2/23

6:59 am-5:40 pm

2 stops28h 41m

Oslo Gardermoen

Wed 3/4

6:05 am-3:31 pm

2 stops15h 26m

$526

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 2/23

8:20 am-5:10 pm

2 stops26h 50m

Oslo Gardermoen

Thu 3/5

1:45 pm-8:55 am

2 stops25h 10m

$528

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 2/23

5:00 pm-4:20 pm

2 stops17h 20m

Oslo Gardermoen

Mon 3/9

9:25 am-10:36 pm

2 stops18h 11m

$528

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 2/23

5:00 pm-4:20 pm

2 stops17h 20m

Oslo Gardermoen

Sun 3/8

9:25 am-10:36 pm

2 stops18h 11m

$528

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 3/30

5:09 pm-3:15 pm

2 stops16h 06m

Oslo Gardermoen

Mon 4/6

11:50 am-11:44 pm

2 stops17h 54m

$532

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 2/24

5:00 pm-3:30 pm

2 stops16h 30m

Oslo Gardermoen

Fri 3/6

9:25 am-9:34 pm

2 stops18h 09m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 19 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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. Reagan-National Airport-Oslo Gardermoen Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Oslo Gardermoen Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 Delta and Air Canada fly from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 10h 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

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