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Oslo Gardermoen

$404+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OSL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$518
(American Airlines)

One-way from

$404
(FlightHub)

Popular in

August

Cheapest in

December

Average price

$742
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. 25% potential increase in price ($215 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:58 pmDCA - OSL
2 stops16h 27mAmerican Airlines
Mon 12/812:25 pmOSL - DCA
2 stops16h 13mAmerican Airlines
Deal found 6/10$518
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada 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 12/69:35 amOSL - DCA
2 stops16h 22mAir Canada
Deal found 6/10$532
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:00 amDCA - OSL
2 stops19h 15mMultiple Airlines
Wed 9/246:45 amOSL - DCA
2 stops15h 06mMultiple Airlines
Deal found 6/11$538
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/68:46 pmDCA - OSL
2 stops16h 04mDelta
Tue 8/1912:45 pmOSL - DCA
2 stops17h 08mDelta
Deal found 6/10$543
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/119:40 amDCA - OSL
2 stops20h 35mUnited Airlines
Mon 8/186:35 amOSL - DCA
2 stops20h 27mUnited Airlines
Deal found 6/10$572
This British Airways deal was found by Cheapflights users on 6/12. 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.
Mon 12/18:00 pmDCA - OSL
2 stops16h 35mBritish Airways
Thu 12/1111:40 amOSL - DCA
2 stops16h 58mBritish Airways
Deal found 6/12$599
This oojo deal was found by Cheapflights users on 6/11. 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 10/136:05 amDCA - OSL
1 stop18h 45mScandinavian Airlines
Mon 10/201:10 pmOSL - DCA
1 stop15h 09mScandinavian Airlines
Deal found 6/11$607
This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:06 pmDCA - OSL
2 stops18h 39mFinnair
Sun 8/178:45 pmOSL - DCA
2 stops32h 33mFinnair
Deal found 6/10$784
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:25 pmDCA - OSL
2 stops13h 20mKLM
Fri 8/17:05 amOSL - DCA
2 stops15h 28mKLM
Deal found 6/10$811

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 June 12, 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

Fri 11/28

5:58 pm-4:25 pm

2 stops16h 27m

Oslo Gardermoen

Mon 12/8

12:25 pm-10:38 pm

2 stops16h 13m

$518

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sat 11/29

11:00 am-12:10 pm

2 stops19h 10m

Oslo Gardermoen

Sat 12/6

9:35 am-7:57 pm

2 stops16h 22m

$532

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 9/9

11:00 am-12:15 pm

2 stops19h 15m

Oslo Gardermoen

Wed 9/24

6:45 am-3:51 pm

2 stops15h 06m

$538

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Wed 8/6

8:46 pm-6:50 pm

2 stops16h 04m

Oslo Gardermoen

Tue 8/19

12:45 pm-11:53 pm

2 stops17h 08m

$543

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 8/11

9:40 am-12:15 pm

2 stops20h 35m

Oslo Gardermoen

Mon 8/18

6:35 am-9:02 pm

2 stops20h 27m

$572

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 12/1

8:00 pm-6:35 pm

2 stops16h 35m

Oslo Gardermoen

Thu 12/11

11:40 am-10:38 pm

2 stops16h 58m

$599

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 10/13

6:05 am-6:50 am

1 stop18h 45m

Oslo Gardermoen

Mon 10/20

1:10 pm-10:19 pm

1 stop15h 09m

$607

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 8/5

7:06 pm-7:45 pm

2 stops18h 39m

Oslo Gardermoen

Sun 8/17

8:45 pm-11:18 pm

2 stops32h 33m

$784

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Fri 7/25

1:25 pm-8:45 am

2 stops13h 20m

Oslo Gardermoen

Fri 8/1

7:05 am-4:33 pm

2 stops15h 28m

$811

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 10/13

6:55 pm-12:35 pm

2 stops35h 40m

Oslo Gardermoen

Mon 10/20

4:45 pm-9:46 am

2 stops23h 01m

$940

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 18 results
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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 June 12, 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 40% versus a flight at noon.

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 June 12, 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 Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

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!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

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!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

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 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.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport round-trip?

    Currently priced at $518, American Airlines will fly you from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from $532 and $543, respectively. American Airlines is 19% 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. Reagan-National Airport to Oslo Gardermoen Airport one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport are Air Canada ($404), Delta ($407), and United Airlines ($454).

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport (average of $567). Flying from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,004). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Gardermoen

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