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Cheap flights from Oslo Gardermoen Airport to Washington, D.C. from $441

This is the cheapest round-trip 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 10/29. 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

Air Canada Logo
6:05 am - 9:56 pmOSL-DCA
20h 51m2 stops
Air Canada Logo
4:10 pm - 5:45 pmDCA-OSL
19h 35m2 stops
$441Air Canada
Find Deal
Wed, Oct 29 - Mon, Nov 3
American Airlines Logo
7:45 am - 11:07 pmOSL-DCA
21h 22m2 stops
American Airlines Logo
1:39 pm - 10:50 amDCA-OSL
15h 11m2 stops
$443American Airlines
Find Deal
Thu, Sep 4 - Thu, Sep 18
Air Canada Logo
6:05 am - 9:56 pmOSL-DCA
20h 51m2 stops
Air Canada Logo
4:10 pm - 5:45 pmDCA-OSL
19h 35m2 stops
$444Air Canada
Find Deal
Wed, Oct 29 - Mon, Nov 3
American Airlines Logo
12:05 pm - 10:57 pmOSL-DCA
15h 52m2 stops
American Airlines Logo
2:00 pm - 10:55 amDCA-OSL
14h 55m2 stops
$457American Airlines
Find Deal
Sat, Nov 1 - Thu, Nov 6
American Airlines Logo
7:45 am - 11:26 pmOSL-DCA
21h 41m2 stops
American Airlines Logo
1:39 pm - 10:50 amDCA-OSL
15h 11m2 stops
$458American Airlines
Find Deal
Thu, Sep 4 - Thu, Sep 18
American Airlines Logo
12:05 pm - 10:57 pmOSL-DCA
15h 52m2 stops
American Airlines Logo
3:59 pm - 2:15 pmDCA-OSL
16h 16m2 stops
$459American Airlines
Find Deal
Sat, Nov 1 - Thu, Nov 6
United Airlines Logo
6:15 am - 10:26 amOSL-DCA
34h 11m2 stops
United Airlines Logo
9:40 am - 1:00 pmDCA-OSL
21h 20m2 stops
$469United Airlines
Find Deal
Thu, Nov 27 - Sun, Nov 30
Delta Logo
6:30 am - 5:57 pmOSL-DCA
17h 27m2 stops
Delta Logo
5:00 pm - 1:45 pmDCA-OSL
14h 45m2 stops
$476Delta
Find Deal
Thu, Oct 2 - Mon, Oct 13
Delta Logo
11:50 am - 11:53 pmOSL-DCA
18h 03m2 stops
Delta Logo
5:00 pm - 1:45 pmDCA-OSL
14h 45m2 stops
$478Delta
Find Deal
Thu, Oct 2 - Mon, Oct 13
British Airways Logo
7:05 am - 10:33 pmOSL-DCA
21h 28m2 stops
British Airways Logo
5:30 pm - 10:40 pmDCA-OSL
23h 10m2 stops
$523British Airways
Find Deal
Thu, Nov 27 - Sun, Nov 30

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
Sep 4
OSL7:45 amOslo Gardermoen
21h 22m
2 stops
DCA11:07 pmWashington, D.C. Reagan-National
Sep 18
DCA1:39 pmWashington, D.C. Reagan-National
15h 11m
2 stops
OSL10:50 amOslo Gardermoen
$443
Find similar
American Airlines
Nov 1
OSL12:05 pmOslo Gardermoen
15h 52m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
Nov 6
DCA2:00 pmWashington, D.C. Reagan-National
14h 55m
2 stops
OSL10:55 amOslo Gardermoen
$457
Find similar
American Airlines
Sep 4
OSL7:45 amOslo Gardermoen
21h 41m
2 stops
DCA11:26 pmWashington, D.C. Reagan-National
Sep 18
DCA1:39 pmWashington, D.C. Reagan-National
15h 11m
2 stops
OSL10:50 amOslo Gardermoen
$458
Find similar

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 29
OSL6:05 amOslo Gardermoen
20h 51m
2 stops
DCA9:56 pmWashington, D.C. Reagan-National
Nov 3
DCA4:10 pmWashington, D.C. Reagan-National
19h 35m
2 stops
OSL5:45 pmOslo Gardermoen
$441
Find similar
Air Canada
Oct 29
OSL6:05 amOslo Gardermoen
20h 51m
2 stops
DCA9:56 pmWashington, D.C. Reagan-National
Nov 3
DCA4:10 pmWashington, D.C. Reagan-National
19h 35m
2 stops
OSL5:45 pmOslo Gardermoen
$444
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 August 2, 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

Wed 10/29

6:05 am-9:56 pm

2 stops20h 51m

Washington, D.C. Reagan-National

Mon 11/3

4:10 pm-5:45 pm

2 stops19h 35m

$441

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 9/4

7:45 am-11:07 pm

2 stops21h 22m

Washington, D.C. Reagan-National

Thu 9/18

1:39 pm-10:50 am

2 stops15h 11m

$443

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 10/29

6:05 am-9:56 pm

2 stops20h 51m

Washington, D.C. Reagan-National

Mon 11/3

4:10 pm-5:45 pm

2 stops19h 35m

$444

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sat 11/1

12:05 pm-10:57 pm

2 stops15h 52m

Washington, D.C. Reagan-National

Thu 11/6

2:00 pm-10:55 am

2 stops14h 55m

$457

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 9/4

7:45 am-11:26 pm

2 stops21h 41m

Washington, D.C. Reagan-National

Thu 9/18

1:39 pm-10:50 am

2 stops15h 11m

$458

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sat 11/1

12:05 pm-10:57 pm

2 stops15h 52m

Washington, D.C. Reagan-National

Thu 11/6

3:59 pm-2:15 pm

2 stops16h 16m

$459

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 11/27

6:15 am-10:26 am

2 stops34h 11m

Washington, D.C. Reagan-National

Sun 11/30

9:40 am-1:00 pm

2 stops21h 20m

$469

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

$476

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 10/2

11:50 am-11:53 pm

2 stops18h 03m

Washington, D.C. Reagan-National

Mon 10/13

5:00 pm-1:45 pm

2 stops14h 45m

$478

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 11/27

7:05 am-10:33 pm

2 stops21h 28m

Washington, D.C. Reagan-National

Sun 11/30

5:30 pm-10:40 pm

2 stops23h 10m

$523

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

British Airways, Scandinavian Airlines, and Finnair 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

Best Price Found

$505

Fastest flight time

14h 31m

Direct flights

None
The best one-way flight to Washington, D.C. Reagan-National Airport from Oslo Gardermoen Airport in the past 72 hours is $505. The best round-trip flight deal from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $441.
The fastest flight from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport takes 14h 31m
There are no direct flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport. Popular non-direct route for this connection is Oslo Gardermoen Airport - 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 31m.

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

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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