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Cheap flights from Washington, D.C. Reagan-National Airport to Oslo from $368

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Oslo departing on 2/16. 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 Washington, D.C. Reagan-National Airport to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
3:59 pm - 4:15 pm
DCA
-
OSL
18h 16m2 stops
British Airways Logo
8:30 pm - 10:33 pm
OSL
-
DCA
32h 03m2 stops
$449British Airways
Tue, Apr 14 - Mon, Apr 20
Scandinavian Airlines Logo
11:00 am - 6:45 am
DCA
-
OSL
13h 45m1 stop
Scandinavian Airlines Logo
1:05 pm - 11:12 pm
OSL
-
DCA
16h 07m1 stop
$450Scandinavian Airlines
Tue, Apr 21 - Mon, Apr 27
Scandinavian Airlines Logo
11:00 am - 6:45 am
DCA
-
OSL
13h 45m1 stop
Scandinavian Airlines Logo
1:05 pm - 11:12 pm
OSL
-
DCA
16h 07m1 stop
$451Scandinavian Airlines
Mon, Apr 20 - Mon, Apr 27
British Airways Logo
2:54 pm - 4:15 pm
DCA
-
OSL
19h 21m2 stops
British Airways Logo
8:30 pm - 10:33 pm
OSL
-
DCA
32h 03m2 stops
$453British Airways
Tue, Apr 21 - Mon, Apr 27
British Airways Logo
1:35 pm - 10:55 am
DCA
-
OSL
15h 20m2 stops
British Airways Logo
7:20 am - 6:56 pm
OSL
-
DCA
17h 36m2 stops
$461British Airways
Tue, Jan 20 - Tue, Jan 27
Scandinavian Airlines Logo
6:05 am - 6:45 am
DCA
-
OSL
18h 40m1 stop
Scandinavian Airlines Logo
1:05 pm - 11:12 pm
OSL
-
DCA
16h 07m1 stop
$480Scandinavian Airlines
Wed, May 13 - Wed, May 20
Scandinavian Airlines Logo
6:05 am - 6:45 am
DCA
-
OSL
18h 40m1 stop
Scandinavian Airlines Logo
1:05 pm - 11:12 pm
OSL
-
DCA
16h 07m1 stop
$481Scandinavian Airlines
Tue, Apr 14 - Mon, Apr 20
Multiple Airlines Logo
11:05 am - 12:10 pm
DCA
-
OSL
19h 05m2 stops
Multiple Airlines Logo
11:50 am - 9:58 pm
OSL
-
DCA
16h 08m2 stops
$485Multiple Airlines
Sat, Jan 17 - Sun, Feb 1
British Airways Logo
1:44 pm - 10:10 pm
DCA
-
OSL
26h 26m2 stops
British Airways Logo
11:45 am - 11:59 pm
OSL
-
DCA
18h 14m2 stops
$486British Airways
Fri, Jan 16 - Tue, Jan 20
British Airways Logo
3:30 pm - 2:15 pm
DCA
-
OSL
16h 45m2 stops
British Airways Logo
2:40 pm - 6:44 pm
OSL
-
DCA
34h 04m2 stops
$487British Airways
Thu, Jan 8 - Mon, Jan 12

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

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport flight tickets
British Airways
Apr 14
DCA3:59 pmWashington, D.C. Reagan-National
18h 16m
2 stops
OSL4:15 pmOslo Gardermoen
Apr 20
OSL8:30 pmOslo Gardermoen
32h 03m
2 stops
DCA10:33 pmWashington, D.C. Reagan-National
$449
Find similar
British Airways
Apr 21
DCA2:54 pmWashington, D.C. Reagan-National
19h 21m
2 stops
OSL4:15 pmOslo Gardermoen
Apr 27
OSL8:30 pmOslo Gardermoen
32h 03m
2 stops
DCA10:33 pmWashington, D.C. Reagan-National
$453
Find similar
British Airways
Jan 20
DCA1:35 pmWashington, D.C. Reagan-National
15h 20m
2 stops
OSL10:55 amOslo Gardermoen
Jan 27
OSL7:20 amOslo Gardermoen
17h 36m
2 stops
DCA6:56 pmWashington, D.C. Reagan-National
$461
Find similar

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

Our best Scandinavian Airlines deals on Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport flight tickets
Scandinavian Airlines
Apr 21
DCA11:00 amWashington, D.C. Reagan-National
13h 45m
1 stop
OSL6:45 amOslo Gardermoen
Apr 27
OSL1:05 pmOslo Gardermoen
16h 07m
1 stop
DCA11:12 pmWashington, D.C. Reagan-National
$450
Find similar
Scandinavian Airlines
Apr 20
DCA11:00 amWashington, D.C. Reagan-National
13h 45m
1 stop
OSL6:45 amOslo Gardermoen
Apr 27
OSL1:05 pmOslo Gardermoen
16h 07m
1 stop
DCA11:12 pmWashington, D.C. Reagan-National
$451
Find similar
Scandinavian Airlines
Apr 14
DCA6:05 amWashington, D.C. Reagan-National
18h 40m
1 stop
OSL6:45 amOslo Gardermoen
Apr 20
OSL1:05 pmOslo Gardermoen
16h 07m
1 stop
DCA11:12 pmWashington, D.C. Reagan-National
$481
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Oslo Gardermoen 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 December 4, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport 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

Tue 4/14

3:59 pm-4:15 pm

2 stops18h 16m

Oslo Gardermoen

Mon 4/20

8:30 pm-10:33 pm

2 stops32h 03m

$449

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 4/21

11:00 am-6:45 am

1 stop13h 45m

Oslo Gardermoen

Mon 4/27

1:05 pm-11:12 pm

1 stop16h 07m

$450

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 4/20

11:00 am-6:45 am

1 stop13h 45m

Oslo Gardermoen

Mon 4/27

1:05 pm-11:12 pm

1 stop16h 07m

$451

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 4/21

2:54 pm-4:15 pm

2 stops19h 21m

Oslo Gardermoen

Mon 4/27

8:30 pm-10:33 pm

2 stops32h 03m

$453

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 1/20

1:35 pm-10:55 am

2 stops15h 20m

Oslo Gardermoen

Tue 1/27

7:20 am-6:56 pm

2 stops17h 36m

$461

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Wed 5/13

6:05 am-6:45 am

1 stop18h 40m

Oslo Gardermoen

Wed 5/20

1:05 pm-11:12 pm

1 stop16h 07m

$480

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 4/14

6:05 am-6:45 am

1 stop18h 40m

Oslo Gardermoen

Mon 4/20

1:05 pm-11:12 pm

1 stop16h 07m

$481

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sat 1/17

11:05 am-12:10 pm

2 stops19h 05m

Oslo Gardermoen

Sun 2/1

11:50 am-9:58 pm

2 stops16h 08m

$485

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Fri 1/16

1:44 pm-10:10 pm

2 stops26h 26m

Oslo Gardermoen

Tue 1/20

11:45 am-11:59 pm

2 stops18h 14m

$486

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Thu 1/8

3:30 pm-2:15 pm

2 stops16h 45m

Oslo Gardermoen

Mon 1/12

2:40 pm-6:44 pm

2 stops34h 04m

$487

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 Oslo from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Oslo Gardermoen 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 day to depart on your flight to Oslo Gardermoen Airport?

According to our data, Thursday is the cheapest day to fly to Oslo Gardermoen Airport from Washington, D.C. Reagan-National Airport. The lowest ticket price found for a Thursday departure recently was $607. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport for around $698.

What is the cheapest time of day to depart on your flight to Oslo Gardermoen Airport?

Our most recent data shows that the best time of day to fly to Oslo Gardermoen Airport is in the morning. Flights from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport during this time can be as low as $526. In contrast, the most expensive time of day to depart to Oslo Gardermoen Airport is at noon when prices are around $832.

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

You could potentially save up to 46% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport flight.

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

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

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

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

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport takes 13h 45m
There are no direct flights from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport.
Search flight deals

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

    Oslo Gardermoen is 3877.4 mi away from Washington, D.C. Reagan-National. Flights usually cover this in 13h 41m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport.

  • What documentation or ID do you need to fly to Oslo Gardermoen Airport?

    The travel and health documents required for your trip to Oslo Gardermoen 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 Oslo Gardermoen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Gardermoen
Fredrikstad
Drammen
Lillehammer

Why use momondo?

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

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 Washington, D.C. to Oslo for you.

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

Flights from Washington, D.C. to Oslo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Oslo.

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

Yes momondo offers price alerts on flights to Oslo from Washington, D.C.. 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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