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.

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).

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

When flying from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$323+ Flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

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 December 12, 2025.

Mon 12/156:15 amOSL - DCA

2 stops19h 20mUnited Airlines

Mon 5/115:00 pmDCA - OSL

2 stops19h 00mUnited Airlines

Deal found 12/10

$705

Sun 12/146:05 amOSL - DCA

2 stops17h 20mUnited Airlines

Mon 5/118:05 pmDCA - OSL

2 stops16h 05mUnited Airlines

Deal found 12/10

$774

Sun 12/1411:05 amOSL - DCA

2 stops18h 53mScandinavian Airlines

Mon 5/1111:00 amDCA - OSL

1 stop13h 45mScandinavian Airlines

Deal found 12/10

$939

Mon 12/1512:40 pmOSL - DCA

2 stops16h 17mMultiple Airlines

Mon 5/1111:00 amDCA - OSL

1 stop13h 45mMultiple Airlines

Deal found 12/10

$1,181

Sun 12/1410:45 amOSL - DCA

1 stop13h 55mMultiple Airlines

Mon 5/1111:00 amDCA - OSL

1 stop13h 45mMultiple Airlines

Deal found 12/10

$1,928

Fri 12/197:10 amOSL - DCA

2 stops16h 12mBritish Airways

Fri 1/26:26 pmDCA - OSL

2 stops17h 04mBritish Airways

Deal found 12/11

$3,068

Best flights from Oslo Gardermoen to Reagan-National
Discover carefully curated flight deals from Oslo Gardermoen to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sat 1/249:25 amOSL - DCA

2 stops19h 34mDelta

Sat 1/315:00 pmDCA - OSL

2 stops17h 20mDelta

Deal found 12/10

$490

Wed 2/46:55 amOSL - DCA

2 stops17h 49mBritish Airways

Mon 5/1112:30 pmDCA - OSL

2 stops15h 55mBritish Airways

Deal found 12/10

$527

Thu 1/297:05 amOSL - DCA

2 stops20h 25mAmerican Airlines

Mon 2/25:45 pmDCA - OSL

2 stops22h 55mAmerican Airlines

Deal found 12/9

$537

Tue 1/206:15 amOSL - DCA

2 stops20h 44mUnited Airlines

Fri 1/237:00 pmDCA - OSL

2 stops16h 40mUnited Airlines

Deal found 12/10

$541

Sun 1/2511:05 amOSL - DCA

2 stops14h 47mScandinavian Airlines

Sat 2/712:00 pmDCA - OSL

2 stops15h 20mScandinavian Airlines

Deal found 12/11

$623

Sun 1/2512:40 pmOSL - DCA

2 stops16h 08mDelta

Sat 2/75:00 pmDCA - OSL

2 stops17h 20mDelta

Deal found 12/10

$490

Sun 1/257:20 amOSL - DCA

2 stops20h 10mAmerican Airlines

Sat 2/71:35 pmDCA - OSL

2 stops14h 55mAmerican Airlines

Deal found 12/11

$537

Tue 2/246:30 amOSL - DCA

2 stops17h 20mDelta

Sun 3/111:06 amDCA - OSL

2 stops15h 34mDelta

Deal found 12/11

$496

Sun 1/1111:30 amOSL - DCA

2 stops16h 33mBritish Airways

Sun 2/11:35 pmDCA - OSL

2 stops15h 00mBritish Airways

Deal found 12/11

$572

Wed 2/47:05 pmOSL - DCA

2 stops30h 47mScandinavian Airlines

Mon 5/116:05 amDCA - OSL

1 stop18h 40mScandinavian Airlines

Deal found 12/10

$697

Last-minute flights from Oslo Gardermoen to Reagan-National
Discover last-minute flight deals from Oslo Gardermoen to Reagan-National. Data last updated December 12, 2025 and is based on user searches.

Sun 12/146:05 amOSL - DCA

2 stops17h 20mUnited Airlines

Mon 5/118:05 pmDCA - OSL

2 stops16h 05mUnited Airlines

Deal found 12/10

$774

Sun 12/1411:05 amOSL - DCA

2 stops18h 53mScandinavian Airlines

Mon 5/1111:00 amDCA - OSL

1 stop13h 45mScandinavian Airlines

Deal found 12/10

$939

Mon 12/156:15 amOSL - DCA

2 stops19h 20mUnited Airlines

Mon 5/115:00 pmDCA - OSL

2 stops19h 00mUnited Airlines

Deal found 12/10

$705

Sun 1/1111:30 amOSL - DCA

2 stops16h 33mBritish Airways

Sun 2/11:35 pmDCA - OSL

2 stops15h 00mBritish Airways

Deal found 12/11

$572

Mon 1/196:15 amOSL - DCA

2 stops17h 16mUnited Airlines

Thu 1/227:00 pmDCA - OSL

2 stops16h 40mUnited Airlines

Deal found 12/10

$541

Tue 1/2011:05 amOSL - DCA

2 stops17h 06mScandinavian Airlines

Thu 1/2211:10 amDCA - OSL

2 stops16h 10mScandinavian Airlines

Deal found 12/11

$849

Sun 1/2512:40 pmOSL - DCA

2 stops16h 08mDelta

Sat 2/75:00 pmDCA - OSL

2 stops17h 20mDelta

Deal found 12/10

$490

Sun 1/2511:05 amOSL - DCA

2 stops14h 47mScandinavian Airlines

Sat 2/712:00 pmDCA - OSL

2 stops15h 20mScandinavian Airlines

Deal found 12/11

$623

Sun 1/259:30 pmOSL - DCA

2 stops31h 05mMultiple Airlines

Sat 2/711:05 amDCA - OSL

3 stops18h 30mMultiple Airlines

Deal found 12/10

$719

Sun 1/253:00 pmOSL - DCA

3 stops34h 32mTAP AIR PORTUGAL

Sat 2/711:55 amDCA - OSL

2 stops18h 15mTAP AIR PORTUGAL

Deal found 12/11

$1,030

Thu 1/297:05 amOSL - DCA

2 stops20h 25mAmerican Airlines

Mon 2/25:45 pmDCA - OSL

2 stops22h 55mAmerican Airlines

Deal found 12/9

$537

One-way flights from Oslo Gardermoen to Reagan-National
Search for one-way flight options from Oslo Gardermoen to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Thu 3/197:05 amOSL - DCA

2 stops16h 43mMultiple Airlines

Deal found 12/9

$323

Thu 3/1911:45 amOSL - DCA

2 stops17h 14mBritish Airways

Deal found 12/9

$324

Thu 1/153:30 pmOSL - DCA

3 stops51h 32mMultiple Airlines

Deal found 12/10

$509

Fri 1/167:00 amOSL - DCA

3 stops36h 02mMultiple Airlines

Deal found 12/10

$531

Thu 1/1511:45 amOSL - DCA

2 stops16h 18mFinnair

Deal found 12/10

$580

Fri 1/1612:50 pmOSL - DCA

2 stops15h 13mFinnair

Deal found 12/10

$685

Fri 3/204:55 pmOSL - DCA

3 stops31h 18mMultiple Airlines

Deal found 12/9

$804

Tue 1/610:40 pmOSL - DCA

3 stops26h 14mMultiple Airlines

Deal found 12/11

$1,066

Tue 1/66:45 pmOSL - DCA

2 stops30h 47mTAP AIR PORTUGAL

Deal found 12/11

$1,195

Tue 1/131:10 pmOSL - DCA

2 stops14h 35mMultiple Airlines

Deal found 12/10

$1,288

Mon 1/57:20 amOSL - DCA

2 stops36h 34mAmerican Airlines

Deal found 12/11

$1,440

Find flight deals from Oslo Gardermoen to Reagan-National

Round-trip from	$490 (Delta)
One-way from	$323 (Iberia)
Popular in	July
Cheapest in	February
Average price	$626

From Oslo Gardermoen to Washington, D.C. Reagan-National

Search Deals

One-way flight from Oslo Gardermoen to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($30 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sat 1/24

9:25 am-10:59 pm

2 stops19h 34m

Washington, D.C. Reagan-National

Sat 1/31

5:00 pm-4:20 pm

2 stops17h 20m

$490

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 1/25

12:40 pm-10:48 pm

2 stops16h 08m

Washington, D.C. Reagan-National

Sat 2/7

5:00 pm-4:20 pm

2 stops17h 20m

$490

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Tue 2/24

6:30 am-5:50 pm

2 stops17h 20m

Washington, D.C. Reagan-National

Sun 3/1

11:06 am-8:40 am

2 stops15h 34m

$496

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 2/4

6:55 am-6:44 pm

2 stops17h 49m

Washington, D.C. Reagan-National

Mon 5/11

12:30 pm-10:25 am

2 stops15h 55m

$527

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 1/29

7:05 am-9:30 pm

2 stops20h 25m

Washington, D.C. Reagan-National

Mon 2/2

5:45 pm-10:40 pm

2 stops22h 55m

$537

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 1/25

7:20 am-9:30 pm

2 stops20h 10m

Washington, D.C. Reagan-National

Sat 2/7

1:35 pm-10:30 am

2 stops14h 55m

$537

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Tue 1/20

6:15 am-8:59 pm

2 stops20h 44m

Washington, D.C. Reagan-National

Fri 1/23

7:00 pm-5:40 pm

2 stops16h 40m

$541

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 1/11

11:30 am-10:03 pm

2 stops16h 33m

Washington, D.C. Reagan-National

Sun 2/1

1:35 pm-10:35 am

2 stops15h 00m

$572

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 1/25

11:05 am-7:52 pm

2 stops14h 47m

Washington, D.C. Reagan-National

Sat 2/7

12:00 pm-9:20 am

2 stops15h 20m

$623

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 2/4

7:05 pm-7:52 pm

2 stops30h 47m

Washington, D.C. Reagan-National

Mon 5/11

6:05 am-6:45 am

1 stop18h 40m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 results

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.

Related info for your journey

How long is the flight from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport?
Airlines like Delta and British Airways fly from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport in about 17h 49m. The time it takes to get you to your destination can typically vary by up to 1h 45m. Oslo Gardermoen Airport and Washington, D.C. Reagan-National Airport are separated by a distance of 3877 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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.

See more FAQs

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Fairfax

Linthicum Heights

Manassas

Rockville

Laurel

Towson

National Harbor

Bowie

Largo

McLean

Clinton

Browse thousands of different options on Cheapflights for your next trip

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.

$323+ Cheap flights from Oslo Gardermoen (OSL) to Reagan-National (DCA)

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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Oslo Gardermoen to Reagan-National

Cheapest flights from Oslo Gardermoen to Reagan-NationalExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Oslo Gardermoen to Reagan-National

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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.

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.

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.

How long is the flight from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport?

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

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

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

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.

100% Free

Book with Flexibility

Travel Smart

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 December 12, 2025.