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Cheap flights from Washington, D.C. Reagan-National Airport to Oslo from $369

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 9/29. 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 Washington, D.C. Reagan-National Airport to Oslo

Cheap round-trip flights

Air Canada Logo
6:00 am - 12:10 pmDCA-OSL
24h 10m2 stops
Air Canada Logo
11:50 am - 9:56 pmOSL-DCA
16h 06m2 stops
$424Air Canada
Find Deal
Wed, Nov 5 - Wed, Nov 12
Air Canada Logo
6:00 am - 1:05 pmDCA-OSL
25h 05m2 stops
Air Canada Logo
6:45 am - 9:56 pmOSL-DCA
20h 11m2 stops
$490Air Canada
Find Deal
Mon, Oct 13 - Mon, Oct 27
United Airlines Logo
1:00 pm - 10:50 amDCA-OSL
15h 50m2 stops
United Airlines Logo
6:35 am - 3:51 pmOSL-DCA
15h 16m2 stops
$501United Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
British Airways Logo
7:06 pm - 4:15 pmDCA-OSL
15h 09m2 stops
British Airways Logo
8:20 am - 7:59 pmOSL-DCA
17h 39m2 stops
$506British Airways
Find Deal
Tue, Oct 14 - Sat, Oct 25
American Airlines Logo
6:00 pm - 2:10 pmDCA-OSL
15h 10m2 stops
American Airlines Logo
12:05 pm - 10:00 pmOSL-DCA
15h 55m2 stops
$520American Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
American Airlines Logo
2:55 pm - 10:25 amDCA-OSL
13h 30m2 stops
American Airlines Logo
12:25 pm - 10:57 pmOSL-DCA
15h 32m2 stops
$524American Airlines
Find Deal
Mon, Oct 13 - Wed, Oct 29
American Airlines Logo
2:55 pm - 10:35 amDCA-OSL
13h 40m2 stops
American Airlines Logo
1:10 pm - 10:57 pmOSL-DCA
15h 47m2 stops
$525American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
1:00 pm - 10:50 amDCA-OSL
15h 50m2 stops
United Airlines Logo
7:15 am - 6:04 pmOSL-DCA
16h 49m2 stops
$531United Airlines
Find Deal
Tue, Sep 2 - Wed, Sep 10
Iberia Logo
1:15 pm - 6:15 pmDCA-OSL
23h 00m2 stops
Iberia Logo
3:00 pm - 11:07 pmOSL-DCA
38h 07m2 stops
$560Iberia
Find Deal
Mon, Sep 15 - Mon, Sep 22
British Airways Logo
12:54 pm - 4:25 pmDCA-OSL
21h 31m2 stops
British Airways Logo
8:20 am - 7:59 pmOSL-DCA
17h 39m2 stops
$571British Airways
Find Deal
Sat, Oct 11 - Sat, Oct 25

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport flight tickets
Air Canada
Nov 5
DCA6:00 amWashington, D.C. Reagan-National
24h 10m
2 stops
OSL12:10 pmOslo Gardermoen
Nov 12
OSL11:50 amOslo Gardermoen
16h 06m
2 stops
DCA9:56 pmWashington, D.C. Reagan-National
$424
Find similar
Air Canada
Oct 13
DCA6:00 amWashington, D.C. Reagan-National
25h 05m
2 stops
OSL1:05 pmOslo Gardermoen
Oct 27
OSL6:45 amOslo Gardermoen
20h 11m
2 stops
DCA9:56 pmWashington, D.C. Reagan-National
$490
Find similar
Air Canada
Nov 13
DCA6:00 amWashington, D.C. Reagan-National
24h 10m
2 stops
OSL12:10 pmOslo Gardermoen
Nov 18
OSL6:15 amOslo Gardermoen
15h 16m
2 stops
DCA3:31 pmWashington, D.C. Reagan-National
$527
Find similar

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Oslo Gardermoen Airport flight tickets
American Airlines
Nov 1
DCA6:00 pmWashington, D.C. Reagan-National
15h 10m
2 stops
OSL2:10 pmOslo Gardermoen
Nov 8
OSL12:05 pmOslo Gardermoen
15h 55m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
$520
Find similar
American Airlines
Oct 13
DCA2:55 pmWashington, D.C. Reagan-National
13h 30m
2 stops
OSL10:25 amOslo Gardermoen
Oct 29
OSL12:25 pmOslo Gardermoen
15h 32m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
$524
Find similar
American Airlines
Oct 14
DCA2:55 pmWashington, D.C. Reagan-National
13h 40m
2 stops
OSL10:35 amOslo Gardermoen
Oct 21
OSL1:10 pmOslo Gardermoen
15h 47m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
$525
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 August 21, 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

Wed 11/5

6:00 am-12:10 pm

2 stops24h 10m

Oslo Gardermoen

Wed 11/12

11:50 am-9:56 pm

2 stops16h 06m

$424

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 10/13

6:00 am-1:05 pm

2 stops25h 05m

Oslo Gardermoen

Mon 10/27

6:45 am-9:56 pm

2 stops20h 11m

$490

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 10/7

1:00 pm-10:50 am

2 stops15h 50m

Oslo Gardermoen

Tue 10/14

6:35 am-3:51 pm

2 stops15h 16m

$501

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 10/14

7:06 pm-4:15 pm

2 stops15h 09m

Oslo Gardermoen

Sat 10/25

8:20 am-7:59 pm

2 stops17h 39m

$506

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sat 11/1

6:00 pm-2:10 pm

2 stops15h 10m

Oslo Gardermoen

Sat 11/8

12:05 pm-10:00 pm

2 stops15h 55m

$520

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 10/13

2:55 pm-10:25 am

2 stops13h 30m

Oslo Gardermoen

Wed 10/29

12:25 pm-10:57 pm

2 stops15h 32m

$524

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 10/14

2:55 pm-10:35 am

2 stops13h 40m

Oslo Gardermoen

Tue 10/21

1:10 pm-10:57 pm

2 stops15h 47m

$525

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 9/2

1:00 pm-10:50 am

2 stops15h 50m

Oslo Gardermoen

Wed 9/10

7:15 am-6:04 pm

2 stops16h 49m

$531

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 9/15

1:15 pm-6:15 pm

2 stops23h 00m

Oslo Gardermoen

Mon 9/22

3:00 pm-11:07 pm

2 stops38h 07m

$560

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sat 10/11

12:54 pm-4:25 pm

2 stops21h 31m

Oslo Gardermoen

Sat 10/25

8:20 am-7:59 pm

2 stops17h 39m

$571

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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Oslo Gardermoen Airport?

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

Direct flights

None
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.
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  • 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 00m, 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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