HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$458+ Cheap flights from Oslo Gardermoen (OSL) to Reagan-National (DCA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — DCA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oslo Gardermoen to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oslo Gardermoen to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to Reagan-National (DCA). 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

$458
(Flysmarter)

Popular in

July

Cheapest in

September

Average price

$608
From Oslo Gardermoen to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Oslo Gardermoen to Reagan-National

Cheapest flights from Oslo Gardermoen to Reagan-National
Explore the most affordable flight options available from Oslo Gardermoen to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:50 amOSL - DCA
2 stops15h 22mBritish Airways
Mon 11/38:00 pmDCA - OSL
2 stops16h 35mBritish Airways
Deal found 6/11$458
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:40 amOSL - DCA
2 stops16h 58mAmerican Airlines
Tue 9/231:36 pmDCA - OSL
2 stops14h 59mAmerican Airlines
Deal found 6/11$476
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:50 amOSL - DCA
2 stops16h 03mDelta
Mon 10/135:00 pmDCA - OSL
2 stops14h 45mDelta
Deal found 6/11$477
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.
Tue 6/246:35 amOSL - DCA
2 stops35h 24mUnited Airlines
Fri 7/47:00 pmDCA - OSL
2 stops21h 10mUnited Airlines
Deal found 6/10$492
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 7/157:25 pmOSL - DCA
2 stops57h 46mFinnair
Sun 7/277:06 pmDCA - OSL
2 stops15h 29mFinnair
Deal found 6/10$513
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:10 pmOSL - DCA
1 stop16h 31mScandinavian Airlines
Tue 9/231:30 pmDCA - OSL
2 stops14h 50mScandinavian Airlines
Deal found 6/12$532
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:00 amOSL - DCA
2 stops16h 42mMultiple Airlines
Tue 9/2311:00 amDCA - OSL
1 stop13h 50mMultiple Airlines
Deal found 6/10$576
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.
Wed 6/256:45 amOSL - DCA
2 stops33h 33mAir Canada
Sun 7/66:00 amDCA - OSL
2 stops30h 05mAir Canada
Deal found 6/10$796
This LOT 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/267:45 pmOSL - DCA
2 stops33h 14mLOT
Sat 7/126:30 amDCA - OSL
2 stops30h 25mLOT
Deal found 6/11$1,230
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:05 amOSL - DCA
3 stops26h 33mTAP AIR PORTUGAL
Tue 9/231:35 pmDCA - OSL
2 stops40h 25mTAP AIR PORTUGAL
Deal found 6/12$1,791

Cheapflights Fare Finder

Customize your flight search to find flights from Oslo Gardermoen to Reagan-National 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 Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Oslo Gardermoen

Fly to

Reagan-National

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 10/29

6:50 am-5:12 pm

2 stops15h 22m

Washington, D.C. Reagan-National

Mon 11/3

8:00 pm-6:35 pm

2 stops16h 35m

$458

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 8/13

7:40 am-6:38 pm

2 stops16h 58m

Washington, D.C. Reagan-National

Tue 9/23

1:36 pm-10:35 am

2 stops14h 59m

$476

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 10/2

11:50 am-9:53 pm

2 stops16h 03m

Washington, D.C. Reagan-National

Mon 10/13

5:00 pm-1:45 pm

2 stops14h 45m

$477

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Tue 6/24

6:35 am-11:59 am

2 stops35h 24m

Washington, D.C. Reagan-National

Fri 7/4

7:00 pm-10:10 pm

2 stops21h 10m

$492

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Tue 7/15

7:25 pm-11:11 pm

2 stops57h 46m

Washington, D.C. Reagan-National

Sun 7/27

7:06 pm-4:35 pm

2 stops15h 29m

$513

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 8/13

1:10 pm-11:41 pm

1 stop16h 31m

Washington, D.C. Reagan-National

Tue 9/23

1:30 pm-10:20 am

2 stops14h 50m

$532

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 8/13

9:00 am-7:42 pm

2 stops16h 42m

Washington, D.C. Reagan-National

Tue 9/23

11:00 am-6:50 am

1 stop13h 50m

$576

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 6/25

6:45 am-10:18 am

2 stops33h 33m

Washington, D.C. Reagan-National

Sun 7/6

6:00 am-6:05 pm

2 stops30h 05m

$796

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 6/26

7:45 pm-10:59 pm

2 stops33h 14m

Washington, D.C. Reagan-National

Sat 7/12

6:30 am-6:55 pm

2 stops30h 25m

$1,230

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 8/13

11:05 am-7:38 am

3 stops26h 33m

Washington, D.C. Reagan-National

Tue 9/23

1:35 pm-12:00 pm

2 stops40h 25m

$1,791

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
1
2

Best time to book a flight from Oslo Gardermoen to Reagan-National

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

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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!
LOT
7.6
Good
1,077 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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 Oslo Gardermoen to Reagan-National. 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 Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport round-trip?

    Our cheapest airline available from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport is British Airways. Our recent data shows that you can find tickets from as low as $458 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $476 and $477 round-trip.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $618. However, be on the lookout for offers from LOT and British Airways, as they are both options that can get you from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport for a low price.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport (average of $278). Flying from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oslo Gardermoen to Reagan-National

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.