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

Airlines like Air Canada, United Airlines, and Scandinavian Airlines fly from Washington, D.C. Reagan-National Airport to Oslo in about 16h 40m. The time it takes to get you to your destination can typically vary by up to 4h 15m. There are 3877 mi between Washington, D.C. Reagan-National Airport and Oslo. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Oslo 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 when rainfall is around 1.6 in.

If weather is an important factor for your trip to Oslo, 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).

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

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

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

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.

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

Yes. Cheapflights offers flight deals from Reagan-National to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$421+ Flights from Washington, D.C. Reagan-National Airport to Oslo

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Cheap flight deals from Reagan-National to Oslo

Round-trip from	$449 (SmartFares)
One-way from	$421 (Booking.com)
Popular in	June
Cheapest in	February
Average price	$556

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

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

Search Deals

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

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

Thu 11/1311:05 amDCA - OSL

2 stops19h 05mMultiple Airlines

Thu 11/206:15 amOSL - DCA

2 stops15h 16mMultiple Airlines

Deal found 10/26

$487

Wed 11/1211:05 amDCA - OSL

2 stops19h 05mAir Canada

Wed 11/196:05 amOSL - DCA

2 stops15h 26mAir Canada

Deal found 10/25

$510

Tue 11/47:00 pmDCA - OSL

2 stops16h 40mUnited Airlines

Tue 11/116:15 amOSL - DCA

2 stops15h 16mUnited Airlines

Deal found 10/25

$512

Sun 11/233:09 pmDCA - OSL

2 stops20h 01mUnited Airlines

Thu 11/276:15 amOSL - DCA

2 stops34h 11mUnited Airlines

Deal found 10/26

$514

Tue 12/93:30 pmDCA - OSL

2 stops20h 10mUnited Airlines

Tue 12/166:15 amOSL - DCA

2 stops18h 52mUnited Airlines

Deal found 10/25

$522

Mon 12/13:15 pmDCA - OSL

2 stops15h 40mUnited Airlines

Mon 12/86:15 amOSL - DCA

2 stops15h 16mUnited Airlines

Deal found 10/25

$525

Thu 12/113:54 pmDCA - OSL

2 stops16h 21mAmerican Airlines

Mon 12/1511:35 amOSL - DCA

2 stops17h 59mAmerican Airlines

Deal found 10/25

$526

Sat 11/228:40 pmDCA - OSL

2 stops34h 25mAir Canada

Thu 11/276:15 amOSL - DCA

2 stops21h 41mAir Canada

Deal found 10/26

$527

Wed 12/311:05 amDCA - OSL

2 stops19h 05mAir Canada

Sun 12/71:50 pmOSL - DCA

2 stops31h 41mAir Canada

Deal found 10/24

$529

Sun 11/238:10 pmDCA - OSL

2 stops15h 20mUnited Airlines

Thu 12/46:15 amOSL - DCA

2 stops17h 50mUnited Airlines

Deal found 10/26

$531

Mon 11/246:00 amDCA - OSL

2 stops24h 10mAir Canada

Mon 12/16:15 amOSL - DCA

2 stops34h 06mAir Canada

Deal found 10/25

$540

Sun 11/233:09 pmDCA - OSL

2 stops20h 01mUnited Airlines

Tue 12/21:45 pmOSL - DCA

2 stops33h 11mUnited Airlines

Deal found 10/26

$543

Best flights from Reagan-National to Oslo
Discover carefully curated flight deals from Reagan-National to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Thu 11/1311:05 amDCA - OSL

2 stops19h 05mMultiple Airlines

Thu 11/206:15 amOSL - DCA

2 stops15h 16mMultiple Airlines

Deal found 10/26

$487

Wed 11/1211:05 amDCA - OSL

2 stops19h 05mAir Canada

Wed 11/196:05 amOSL - DCA

2 stops15h 26mAir Canada

Deal found 10/25

$510

Tue 11/47:00 pmDCA - OSL

2 stops16h 40mUnited Airlines

Tue 11/116:15 amOSL - DCA

2 stops15h 16mUnited Airlines

Deal found 10/25

$512

Wed 12/311:13 amDCA - OSL

2 stops18h 02mScandinavian Airlines

Sun 12/76:55 pmOSL - DCA

2 stops34h 02mScandinavian Airlines

Deal found 10/25

$512

Thu 1/85:45 pmDCA - OSL

2 stops14h 30mAmerican Airlines

Mon 1/1212:25 pmOSL - DCA

2 stops15h 38mAmerican Airlines

Deal found 10/26

$515

Sun 1/1111:05 amDCA - OSL

2 stops24h 35mMultiple Airlines

Fri 1/169:35 amOSL - DCA

2 stops16h 10mMultiple Airlines

Deal found 10/26

$494

Sun 12/711:13 amDCA - OSL

2 stops19h 57mScandinavian Airlines

Fri 12/125:55 amOSL - DCA

2 stops23h 02mScandinavian Airlines

Deal found 10/26

$512

Sun 11/233:09 pmDCA - OSL

2 stops20h 01mUnited Airlines

Wed 11/266:05 amOSL - DCA

2 stops34h 21mUnited Airlines

Deal found 10/26

$514

Sun 1/1111:05 amDCA - OSL

2 stops19h 05mMultiple Airlines

Sun 1/189:35 amOSL - DCA

2 stops16h 10mMultiple Airlines

Deal found 10/26

$495

Mon 11/243:10 pmDCA - OSL

2 stops20h 00mUnited Airlines

Thu 11/276:15 amOSL - DCA

2 stops15h 16mUnited Airlines

Deal found 10/26

$514

Sun 11/233:09 pmDCA - OSL

2 stops20h 01mUnited Airlines

Thu 11/276:15 amOSL - DCA

2 stops34h 11mUnited Airlines

Deal found 10/26

$514

Thu 11/611:05 amDCA - OSL

2 stops17h 55mMultiple Airlines

Fri 11/146:45 amOSL - DCA

2 stops21h 11mMultiple Airlines

Deal found 10/25

$514

Sun 11/2311:10 amDCA - TRF

2 stops20h 55mScandinavian Airlines

Tue 12/22:35 pmTRF - DCA

2 stops38h 22mScandinavian Airlines

Deal found 10/26

$660

Sun 11/2311:10 amDCA - TRF

2 stops20h 55mScandinavian Airlines

Wed 11/262:35 pmTRF - DCA

2 stops36h 40mScandinavian Airlines

Deal found 10/26

$660

Wed 12/311:13 amDCA - TRF

2 stops20h 52mScandinavian Airlines

Sun 12/72:35 pmTRF - DCA

2 stops37h 37mScandinavian Airlines

Deal found 10/24

$660

Tue 11/2511:10 amDCA - TRF

2 stops20h 55mScandinavian Airlines

Tue 12/22:35 pmTRF - DCA

2 stops38h 22mScandinavian Airlines

Deal found 10/26

$725

Sat 11/84:10 pmDCA - TRF

3 stops17h 25mMultiple Airlines

Mon 11/104:20 pmTRF - DCA

3 stops29h 11mMultiple Airlines

Deal found 10/27

$931

Thu 11/2011:10 amDCA - TRF

2 stops20h 55mScandinavian Airlines

Tue 12/22:35 pmTRF - DCA

2 stops38h 22mScandinavian Airlines

Deal found 10/26

$775

Wed 11/1911:10 amDCA - TRF

2 stops20h 55mScandinavian Airlines

Sun 11/302:35 pmTRF - DCA

2 stops38h 21mScandinavian Airlines

Deal found 10/26

$815

Wed 11/1911:10 amDCA - TRF

2 stops20h 55mScandinavian Airlines

Mon 12/12:35 pmTRF - DCA

2 stops39h 23mScandinavian Airlines

Deal found 10/26

$815

Thu 11/2011:10 amDCA - TRF

2 stops20h 55mScandinavian Airlines

Mon 12/12:35 pmTRF - DCA

2 stops39h 23mScandinavian Airlines

Deal found 10/26

$930

Thu 11/2011:10 amDCA - TRF

2 stops20h 55mScandinavian Airlines

Sun 11/302:35 pmTRF - DCA

2 stops38h 21mScandinavian Airlines

Deal found 10/26

$930

Last-minute flights from Reagan-National to Oslo
Discover last-minute flight deals from Reagan-National to Oslo. Data last updated October 27, 2025 and is based on user searches.

Tue 11/47:00 pmDCA - OSL

2 stops16h 40mUnited Airlines

Tue 11/116:15 amOSL - DCA

2 stops15h 16mUnited Airlines

Deal found 10/25

$512

Wed 11/1211:05 amDCA - OSL

2 stops19h 05mAir Canada

Wed 11/196:05 amOSL - DCA

2 stops15h 26mAir Canada

Deal found 10/25

$510

Thu 11/1311:05 amDCA - OSL

2 stops19h 05mMultiple Airlines

Thu 11/206:15 amOSL - DCA

2 stops15h 16mMultiple Airlines

Deal found 10/26

$487

Sat 11/228:40 pmDCA - OSL

2 stops34h 25mAir Canada

Thu 11/276:15 amOSL - DCA

2 stops21h 41mAir Canada

Deal found 10/26

$527

Sat 11/228:40 pmDCA - OSL

2 stops34h 25mAir Canada

Tue 12/21:45 pmOSL - DCA

2 stops50h 36mAir Canada

Deal found 10/26

$546

Sat 11/228:40 pmDCA - OSL

2 stops34h 25mAir Canada

Mon 12/16:15 amOSL - DCA

2 stops34h 06mAir Canada

Deal found 10/26

$557

Sun 11/233:09 pmDCA - OSL

2 stops20h 01mUnited Airlines

Wed 11/266:05 amOSL - DCA

2 stops34h 21mUnited Airlines

Deal found 10/26

$514

Sun 11/238:10 pmDCA - OSL

2 stops15h 20mUnited Airlines

Thu 12/46:15 amOSL - DCA

2 stops17h 50mUnited Airlines

Deal found 10/26

$531

Sun 11/233:09 pmDCA - OSL

2 stops20h 01mUnited Airlines

Tue 12/21:45 pmOSL - DCA

2 stops33h 11mUnited Airlines

Deal found 10/26

$543

Mon 11/246:00 amDCA - OSL

2 stops24h 10mAir Canada

Mon 12/16:15 amOSL - DCA

2 stops34h 06mAir Canada

Deal found 10/25

$540

Mon 11/243:10 pmDCA - OSL

2 stops20h 00mUnited Airlines

Fri 11/286:15 amOSL - DCA

2 stops15h 16mUnited Airlines

Deal found 10/26

$544

Tue 11/253:30 pmDCA - OSL

2 stops15h 35mUnited Airlines

Fri 11/286:15 amOSL - DCA

2 stops15h 16mUnited Airlines

Deal found 10/26

$555

One-way flights from Reagan-National to Oslo
Search for one-way flight options from Reagan-National to Oslo. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Sun 12/286:00 amDCA - OSL

2 stops29h 40mAir Canada

Deal found 10/26

$421

Sun 12/286:00 amDCA - OSL

3 stops32h 25mMultiple Airlines

Deal found 10/26

$472

Wed 11/58:10 pmDCA - OSL

2 stops15h 55mTAP AIR PORTUGAL

Deal found 10/27

$511

Fri 11/217:09 amDCA - OSL

2 stops23h 01mMultiple Airlines

Deal found 10/26

$562

Sun 1/46:00 amDCA - OSL

2 stops24h 10mAir Canada

Deal found 10/25

$586

Thu 12/2510:10 amDCA - OSL

2 stops20h 00mTAP AIR PORTUGAL

Deal found 10/24

$699

Sun 12/2811:40 amDCA - TRF

3 stops19h 20mMultiple Airlines

Deal found 10/26

$722

Fri 12/196:00 amDCA - OSL

3 stops23h 35mMultiple Airlines

Deal found 10/25

$2,131

Sun 12/2811:40 amDCA - TRF

2 stops23h 25mScandinavian Airlines

Deal found 10/26

$2,134

Fri 12/194:45 pmDCA - OSL

2 stops12h 50mIcelandair

Deal found 10/25

$3,544

Fri 12/191:15 pmDCA - TRF

3 stops16h 35mMultiple Airlines

Deal found 10/25

$6,133

Fri 12/191:15 pmDCA - TRF

2 stops18h 05mScandinavian Airlines

Deal found 10/25

$6,238

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Oslo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Thu 11/13

11:05 am-12:10 pm

2 stops19h 05m

Oslo Gardermoen

Thu 11/20

6:15 am-3:31 pm

2 stops15h 16m

$487

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sun 1/11

11:05 am-5:40 pm

2 stops24h 35m

Oslo Gardermoen

Fri 1/16

9:35 am-7:45 pm

2 stops16h 10m

$494

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sun 1/11

11:05 am-12:10 pm

2 stops19h 05m

Oslo Gardermoen

Sun 1/18

9:35 am-7:45 pm

2 stops16h 10m

$495

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Wed 11/12

11:05 am-12:10 pm

2 stops19h 05m

Oslo Gardermoen

Wed 11/19

6:05 am-3:31 pm

2 stops15h 26m

$510

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 11/4

7:00 pm-5:40 pm

2 stops16h 40m

Oslo Gardermoen

Tue 11/11

6:15 am-3:31 pm

2 stops15h 16m

$512

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Wed 12/3

11:13 am-11:15 am

2 stops18h 02m

Oslo Gardermoen

Sun 12/7

6:55 pm-10:57 pm

2 stops34h 02m

$512

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sun 12/7

11:13 am-1:10 pm

2 stops19h 57m

Oslo Gardermoen

Fri 12/12

5:55 am-10:57 pm

2 stops23h 02m

$512

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sun 11/23

3:09 pm-5:10 pm

2 stops20h 01m

Oslo Gardermoen

Wed 11/26

6:05 am-10:26 am

2 stops34h 21m

$514

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 11/24

3:10 pm-5:10 pm

2 stops20h 00m

Oslo Gardermoen

Thu 11/27

6:15 am-3:31 pm

2 stops15h 16m

$514

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sun 11/23

3:09 pm-5:10 pm

2 stops20h 01m

Oslo Gardermoen

Thu 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 35 results

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

Have a flexible travel schedule? Discover the best time to fly to Oslo 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

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

When flying from Washington, D.C. Reagan-National Airport to Oslo, 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

How long is the flight from Washington, D.C. Reagan-National Airport to Oslo?
Airlines like Air Canada, United Airlines, and Scandinavian Airlines fly from Washington, D.C. Reagan-National Airport to Oslo in about 16h 40m. The time it takes to get you to your destination can typically vary by up to 4h 15m. There are 3877 mi between Washington, D.C. Reagan-National Airport and Oslo. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Reagan-National to Oslo that include hotel bookings?
Yes. In addition to deals on Reagan-National to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Oslo?
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.
Can I find deals for business class flights from Reagan-National to Oslo?
Yes. Cheapflights offers flight deals from Reagan-National to Oslo 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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$421+ Cheap flights from Reagan-National (DCA) to Oslo

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.

Find cheap flights from Reagan-National to Oslo with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Oslo

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Find flight deals from Reagan-National to Oslo

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

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

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Oslo that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to Oslo from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Oslo

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

Find hourly flight availability from Reagan-National to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

Related info for your journey

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

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

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

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

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