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Cheap flights from Oslo Gardermoen Airport to Washington, D.C. from $299

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 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Oslo Gardermoen Airport to Washington, D.C.

Cheap round-trip flights

British Airways Logo
8:20 am - 7:06 pmOSL-DCA
16h 46m2 stops
British Airways Logo
1:44 pm - 10:55 amDCA-OSL
15h 11m2 stops
$455British Airways
Find Deal
Sat, Oct 25 - Mon, Nov 10
American Airlines Logo
7:45 am - 11:07 pmOSL-DCA
21h 22m2 stops
American Airlines Logo
6:38 am - 10:25 amDCA-OSL
21h 47m2 stops
$469American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 13
American Airlines Logo
7:45 am - 11:55 pmOSL-DCA
22h 10m2 stops
American Airlines Logo
7:50 pm - 6:40 pmDCA-OSL
16h 50m2 stops
$470American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 13
Delta Logo
6:30 am - 5:57 pmOSL-DCA
17h 27m2 stops
Delta Logo
5:00 pm - 1:45 pmDCA-OSL
14h 45m2 stops
$471Delta
Find Deal
Thu, Oct 2 - Mon, Oct 13
Multiple Airlines Logo
8:20 am - 10:57 pmOSL-DCA
20h 37m2 stops
Multiple Airlines Logo
1:44 pm - 10:30 amDCA-OSL
14h 46m2 stops
$530Multiple Airlines
Find Deal
Sat, Oct 25 - Fri, Nov 7
Delta Logo
9:55 am - 11:02 pmOSL-DCA
18h 07m2 stops
Delta Logo
5:00 pm - 3:20 pmDCA-OSL
16h 20m2 stops
$654Delta
Find Deal
Sun, Oct 26 - Sun, Nov 2
Finnair Logo
8:50 pm - 10:57 pmOSL-DCA
31h 07m2 stops
Finnair Logo
5:45 pm - 11:40 amDCA-OSL
35h 55m2 stops
$719Finnair
Find Deal
Sun, Oct 26 - Sun, Nov 2
Air France Logo
12:45 pm - 10:59 pmOSL-DCA
16h 14m2 stops
Air France Logo
5:00 pm - 4:20 pmDCA-OSL
17h 20m2 stops
$765Air France
Find Deal
Sat, Oct 25 - Fri, Nov 7
Finnair Logo
8:45 am - 10:57 pmOSL-DCA
19h 12m2 stops
Finnair Logo
7:06 pm - 4:35 pmDCA-OSL
16h 29m2 stops
$1,028Finnair
Find Deal
Sun, Oct 26 - Fri, Oct 31
Multiple Airlines Logo
8:20 am - 7:06 pmOSL-DCA
16h 46m2 stops
Multiple Airlines Logo
6:00 pm - 2:10 pmDCA-OSL
15h 10m2 stops
$1,086Multiple Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1

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

Our best Finnair deals on Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport flight tickets
Finnair
Oct 26
OSL8:50 pmOslo Gardermoen
31h 07m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
Nov 2
DCA5:45 pmWashington, D.C. Reagan-National
35h 55m
2 stops
OSL11:40 amOslo Gardermoen
$719
Find similar
Finnair
Oct 26
OSL8:45 amOslo Gardermoen
19h 12m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
Oct 31
DCA7:06 pmWashington, D.C. Reagan-National
16h 29m
2 stops
OSL4:35 pmOslo Gardermoen
$1,028
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Air Canada flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Oct 25
OSL6:35 amOslo Gardermoen
21h 16m
2 stops
DCA9:51 pmWashington, D.C. Reagan-National
Nov 1
DCA6:50 pmWashington, D.C. Reagan-National
15h 30m
2 stops
OSL3:20 pmOslo Gardermoen
$1,070
Find similar
Air Canada
Oct 24
OSL6:45 amOslo Gardermoen
15h 06m
2 stops
DCA3:51 pmWashington, D.C. Reagan-National
Nov 1
DCA6:50 pmWashington, D.C. Reagan-National
15h 30m
2 stops
OSL3:20 pmOslo Gardermoen
$1,205
Find similar

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 September 16, 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

Fly to

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sat 10/25

8:20 am-7:06 pm

2 stops16h 46m

Washington, D.C. Reagan-National

Mon 11/10

1:44 pm-10:55 am

2 stops15h 11m

$455

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 10/2

7:45 am-11:07 pm

2 stops21h 22m

Washington, D.C. Reagan-National

Mon 10/13

6:38 am-10:25 am

2 stops21h 47m

$469

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 10/2

7:45 am-11:55 pm

2 stops22h 10m

Washington, D.C. Reagan-National

Mon 10/13

7:50 pm-6:40 pm

2 stops16h 50m

$470

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 10/2

6:30 am-5:57 pm

2 stops17h 27m

Washington, D.C. Reagan-National

Mon 10/13

5:00 pm-1:45 pm

2 stops14h 45m

$471

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sat 10/25

8:20 am-10:57 pm

2 stops20h 37m

Washington, D.C. Reagan-National

Fri 11/7

1:44 pm-10:30 am

2 stops14h 46m

$530

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 10/26

9:55 am-11:02 pm

2 stops18h 07m

Washington, D.C. Reagan-National

Sun 11/2

5:00 pm-3:20 pm

2 stops16h 20m

$654

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 10/26

8:50 pm-10:57 pm

2 stops31h 07m

Washington, D.C. Reagan-National

Sun 11/2

5:45 pm-11:40 am

2 stops35h 55m

$719

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sat 10/25

12:45 pm-10:59 pm

2 stops16h 14m

Washington, D.C. Reagan-National

Fri 11/7

5:00 pm-4:20 pm

2 stops17h 20m

$765

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 10/26

8:45 am-10:57 pm

2 stops19h 12m

Washington, D.C. Reagan-National

Fri 10/31

7:06 pm-4:35 pm

2 stops16h 29m

$1,028

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sat 10/25

8:20 am-7:06 pm

2 stops16h 46m

Washington, D.C. Reagan-National

Sat 11/1

6:00 pm-2:10 pm

2 stops15h 10m

$1,086

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the cheapest airline that flies from Oslo Gardermoen to Washington, D.C. Reagan-National?

British Airways, Finnair, and American Airlines are the most popular carriers operating from Oslo Gardermoen to Washington, D.C. Reagan-National

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

Direct flights

None
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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  • 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 14h 39m.

  • 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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

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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