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Cheap flights from Oslo Gardermoen Airport to Washington, D.C. from $444

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oslo Gardermoen Airport to Washington, D.C. departing on 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Oslo Gardermoen Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Finnair Logo
8:35 am - 11:10 pmOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
20h 35m2 stops Helsinki-Vantaa New York John F Kennedy Intl
Finnair Logo
5:55 pm - 4:35 pmDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
16h 40m2 stops New York John F Kennedy Intl Helsinki-Vantaa
$544Finnair
Mon, Sep 21 - Tue, Oct 6
Finnair Logo
8:35 am - 11:10 pmOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
20h 35m2 stops Helsinki-Vantaa New York John F Kennedy Intl
Finnair Logo
5:55 pm - 4:35 pmDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
16h 40m2 stops New York John F Kennedy Intl Helsinki-Vantaa
$555Finnair
Mon, Sep 21 - Tue, Oct 6
British Airways Logo
6:55 am - 5:55 pmOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
17h 00m2 stops London Heathrow Boston Logan Intl
British Airways Logo
6:30 pm - 2:10 pmDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
13h 40m2 stops Boston Logan Intl London Heathrow
$558British Airways
Wed, Dec 9 - Tue, Dec 15
American Airlines Logo
7:45 am - 7:05 pmOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
17h 20m2 stops London Heathrow New York John F Kennedy Intl
American Airlines Logo
2:56 pm - 10:45 amDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
13h 49m2 stops New York John F Kennedy Intl London Heathrow
$560American Airlines
Tue, Oct 13 - Wed, Oct 21
American Airlines Logo
12:50 pm - 11:10 pmOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
16h 20m2 stops Helsinki-Vantaa New York John F Kennedy Intl
American Airlines Logo
2:56 pm - 10:40 amDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
13h 44m2 stops New York John F Kennedy Intl London Heathrow
$561American Airlines
Mon, Sep 21 - Tue, Oct 6
American Airlines Logo
11:35 am - 8:03 amOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
26h 28m2 stops London Heathrow New York John F Kennedy Intl
American Airlines Logo
2:56 pm - 10:40 amDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
13h 44m2 stops New York John F Kennedy Intl London Heathrow
$562American Airlines
Wed, Oct 7 - Sun, Oct 11
Delta Logo
11:50 am - 11:35 pmOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
17h 45m2 stops Amsterdam Schiphol Boston Logan Intl
Delta Logo
3:15 pm - 1:45 pmDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
16h 30m2 stops Boston Logan Intl London Heathrow
$563Delta
Mon, Sep 21 - Tue, Oct 6
Delta Logo
6:30 am - 4:39 pmOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
16h 09m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
5:05 pm - 1:45 pmDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
14h 40m2 stops New York John F Kennedy Intl London Heathrow
$564Delta
Wed, Oct 7 - Tue, Oct 13
Finnair Logo
8:35 am - 11:59 pmOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
21h 24m2 stops Helsinki-Vantaa Chicago O'Hare Intl
Finnair Logo
5:55 pm - 4:35 pmDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
16h 40m2 stops New York John F Kennedy Intl Helsinki-Vantaa
$566Finnair
Wed, Oct 14 - Wed, Oct 21
British Airways Logo
11:35 am - 11:10 pmOSL  Oslo Gardermoen-DCA Washington, D.C. Reagan-National
17h 35m2 stops London Heathrow New York John F Kennedy Intl
British Airways Logo
6:23 pm - 4:20 pmDCA  Washington, D.C. Reagan-National-OSL Oslo Gardermoen
15h 57m2 stops New York John F Kennedy Intl London Heathrow
$568British Airways
Mon, Sep 21 - Mon, Sep 28

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British Airways flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport

Our best British Airways deals on Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport flight tickets
British Airways
Dec 9
OSL6:55 amOslo Gardermoen
17h 00m
2 stops
DCA5:55 pmWashington, D.C. Reagan-National
Dec 15
DCA6:30 pmWashington, D.C. Reagan-National
13h 40m
2 stops
OSL2:10 pmOslo Gardermoen
$558
British Airways
Sep 21
OSL11:35 amOslo Gardermoen
17h 35m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
Sep 28
DCA6:23 pmWashington, D.C. Reagan-National
15h 57m
2 stops
OSL4:20 pmOslo Gardermoen
$568
British Airways
Sep 21
OSL11:35 amOslo Gardermoen
17h 35m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
Oct 4
DCA6:23 pmWashington, D.C. Reagan-National
15h 52m
2 stops
OSL4:15 pmOslo Gardermoen
$570

American Airlines flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Oct 13
OSL7:45 amOslo Gardermoen
17h 20m
2 stops
DCA7:05 pmWashington, D.C. Reagan-National
Oct 21
DCA2:56 pmWashington, D.C. Reagan-National
13h 49m
2 stops
OSL10:45 amOslo Gardermoen
$560
American Airlines
Sep 21
OSL12:50 pmOslo Gardermoen
16h 20m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
Oct 6
DCA2:56 pmWashington, D.C. Reagan-National
13h 44m
2 stops
OSL10:40 amOslo Gardermoen
$561
American Airlines
Oct 7
OSL11:35 amOslo Gardermoen
26h 28m
2 stops
DCA8:03 amWashington, D.C. Reagan-National
Oct 11
DCA2:56 pmWashington, D.C. Reagan-National
13h 44m
2 stops
OSL10:40 amOslo Gardermoen
$562

momondo Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated August 11, 2026.
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

Cheapest round-trip

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Mon 9/21

8:35 am-11:10 pm

2 stops20h 35m

Washington, D.C. Reagan-National

Tue 10/6

5:55 pm-4:35 pm

2 stops16h 40m

$544

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Mon 9/21

8:35 am-11:10 pm

2 stops20h 35m

Washington, D.C. Reagan-National

Tue 10/6

5:55 pm-4:35 pm

2 stops16h 40m

$555

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Wed 12/9

6:55 am-5:55 pm

2 stops17h 00m

Washington, D.C. Reagan-National

Tue 12/15

6:30 pm-2:10 pm

2 stops13h 40m

$558

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Tue 10/13

7:45 am-7:05 pm

2 stops17h 20m

Washington, D.C. Reagan-National

Wed 10/21

2:56 pm-10:45 am

2 stops13h 49m

$560
Quickest round-trip

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Mon 9/21

12:50 pm-11:10 pm

2 stops16h 20m

Washington, D.C. Reagan-National

Tue 10/6

2:56 pm-10:40 am

2 stops13h 44m

$561

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Wed 10/7

11:35 am-8:03 am

2 stops26h 28m

Washington, D.C. Reagan-National

Sun 10/11

2:56 pm-10:40 am

2 stops13h 44m

$562

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Mon 9/21

11:50 am-11:35 pm

2 stops17h 45m

Washington, D.C. Reagan-National

Tue 10/6

3:15 pm-1:45 pm

2 stops16h 30m

$563

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Wed 10/7

6:30 am-4:39 pm

2 stops16h 09m

Washington, D.C. Reagan-National

Tue 10/13

5:05 pm-1:45 pm

2 stops14h 40m

$564

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Wed 10/14

8:35 am-11:59 pm

2 stops21h 24m

Washington, D.C. Reagan-National

Wed 10/21

5:55 pm-4:35 pm

2 stops16h 40m

$566

OsloWashington, D.C.

OSL Oslo Gardermoen - DCA Washington, D.C. Reagan-National

OSLDCA

Oslo Gardermoen

Mon 9/21

11:35 am-11:10 pm

2 stops17h 35m

Washington, D.C. Reagan-National

Mon 9/28

6:23 pm-4:20 pm

2 stops15h 57m

$568

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 57% on your flight if you consider stops on a Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport flight.

When to book flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport (OSL to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport

Fastest flight time

17h 00m

Direct flights

None
The fastest flight from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport takes 17h 00m
There are no direct flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport.
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Frequently asked questions about flying from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport

  • How far is Oslo Gardermoen to Washington, D.C. Reagan-National by plane?

    The straight-line distance from Oslo Gardermoen to Washington, D.C. Reagan-National is 3877.4 mi. In terms of flight time, this usually takes a little over 17h 00m.

  • When did momondo last update prices for flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport refresh daily.

  • How old do you have to be to fly from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Springfield
Fairfax
Tysons
Edgewood
Glen Burnie
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Oslo to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oslo to Washington, D.C. for you.

Can I find flights from Oslo to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Oslo with this policy.

How can momondo help me find flights from Oslo to Washington, D.C.?

Once you have performed a search for Oslo to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Oslo to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Oslo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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