Cheap flights from Washington, D.C. Reagan-National Airport to Oslo from $340

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 6/3. 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.
Multiple Airlines Logo
4:15 pm - 5:10 pm
DCA
-
OSL
18h 55m2 stops
Multiple Airlines Logo
6:45 am - 3:31 pm
OSL
-
DCA
14h 46m2 stops
$495Multiple Airlines
Sun, Feb 1 - Tue, Feb 24
Multiple Airlines Logo
4:15 pm - 5:10 pm
DCA
-
OSL
18h 55m2 stops
Multiple Airlines Logo
6:45 am - 3:31 pm
OSL
-
DCA
14h 46m2 stops
$496Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Delta Logo
6:00 pm - 1:50 pm
DCA
-
OSL
14h 50m2 stops
Delta Logo
11:50 am - 10:36 pm
OSL
-
DCA
16h 46m2 stops
$519Delta
Tue, Mar 17 - Mon, Mar 30
Air Canada Logo
11:05 am - 5:15 pm
DCA
-
OSL
24h 10m2 stops
Air Canada Logo
6:45 am - 10:19 am
OSL
-
DCA
33h 34m2 stops
$521Air Canada
Mon, Mar 30 - Mon, Apr 6
United Airlines Logo
10:30 am - 5:10 pm
DCA
-
OSL
25h 40m2 stops
United Airlines Logo
6:05 am - 10:23 am
OSL
-
DCA
33h 18m2 stops
$522United Airlines
Sun, Mar 8 - Sun, Mar 15
Air Canada Logo
4:10 pm - 2:50 pm
DCA
-
OSL
16h 40m2 stops
Air Canada Logo
6:55 am - 7:53 pm
OSL
-
DCA
18h 58m2 stops
$523Air Canada
Sun, Mar 29 - Tue, Apr 7
United Airlines Logo
12:59 pm - 11:00 am
DCA
-
OSL
16h 01m2 stops
United Airlines Logo
1:45 pm - 8:55 am
OSL
-
DCA
25h 10m2 stops
$524United Airlines
Mon, Mar 2 - Thu, Mar 5
Delta Logo
5:00 pm - 4:20 pm
DCA
-
OSL
17h 20m2 stops
Delta Logo
9:25 am - 10:57 pm
OSL
-
DCA
19h 32m2 stops
$526Delta
Fri, Jan 23 - Mon, Jan 26
Scandinavian Airlines Logo
12:05 pm - 2:05 pm
DCA
-
TRF
20h 00m2 stops
Scandinavian Airlines Logo
2:35 pm - 10:12 pm
TRF
-
DCA
37h 37m2 stops
$738Scandinavian Airlines
Mon, Feb 23 - Fri, Feb 27
Scandinavian Airlines Logo
12:05 pm - 2:05 pm
DCA
-
TRF
20h 00m2 stops
Scandinavian Airlines Logo
2:35 pm - 10:12 pm
TRF
-
DCA
37h 37m2 stops
$807Scandinavian Airlines
Mon, Mar 2 - Fri, Mar 6

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

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Oslo flight tickets
British Airways
Apr 2
DCA10:30 pmWashington, D.C. Reagan-National
19h 25m
2 stops
OSL11:55 pmOslo Gardermoen
Apr 13
OSL8:30 pmOslo Gardermoen
32h 03m
2 stops
DCA10:33 pmWashington, D.C. Reagan-National
British Airways
Mar 30
DCA6:14 pmWashington, D.C. Reagan-National
16h 06m
2 stops
OSL4:20 pmOslo Gardermoen
Apr 5
OSL7:45 amOslo Gardermoen
20h 15m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
British Airways
Apr 5
DCA1:44 pmWashington, D.C. Reagan-National
27h 56m
2 stops
OSL11:40 pmOslo Gardermoen
Apr 12
OSL8:35 amOslo Gardermoen
19h 58m
2 stops
DCA10:33 pmWashington, D.C. Reagan-National

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Oslo flight tickets
Delta
Mar 17
DCA6:00 pmWashington, D.C. Reagan-National
14h 50m
2 stops
OSL1:50 pmOslo Gardermoen
Mar 30
OSL11:50 amOslo Gardermoen
16h 46m
2 stops
DCA10:36 pmWashington, D.C. Reagan-National
Delta
Jan 23
DCA5:00 pmWashington, D.C. Reagan-National
17h 20m
2 stops
OSL4:20 pmOslo Gardermoen
Jan 26
OSL9:25 amOslo Gardermoen
19h 32m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
Delta
Feb 10
DCA5:00 pmWashington, D.C. Reagan-National
15h 45m
2 stops
OSL2:45 pmOslo Gardermoen
Feb 17
OSL9:25 amOslo Gardermoen
18h 09m
2 stops
DCA9:34 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Oslo 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 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Oslo 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

Sun 2/1

4:15 pm-5:10 pm

2 stops18h 55m

Oslo Gardermoen

Tue 2/24

6:45 am-3:31 pm

2 stops14h 46m

$495

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 2/17

4:15 pm-5:10 pm

2 stops18h 55m

Oslo Gardermoen

Tue 2/24

6:45 am-3:31 pm

2 stops14h 46m

$496

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 3/17

6:00 pm-1:50 pm

2 stops14h 50m

Oslo Gardermoen

Mon 3/30

11:50 am-10:36 pm

2 stops16h 46m

$519

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 3/30

11:05 am-5:15 pm

2 stops24h 10m

Oslo Gardermoen

Mon 4/6

6:45 am-10:19 am

2 stops33h 34m

$521

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sun 3/8

10:30 am-5:10 pm

2 stops25h 40m

Oslo Gardermoen

Sun 3/15

6:05 am-10:23 am

2 stops33h 18m

$522

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sun 3/29

4:10 pm-2:50 pm

2 stops16h 40m

Oslo Gardermoen

Tue 4/7

6:55 am-7:53 pm

2 stops18h 58m

$523

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 3/2

12:59 pm-11:00 am

2 stops16h 01m

Oslo Gardermoen

Thu 3/5

1:45 pm-8:55 am

2 stops25h 10m

$524

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Fri 1/23

5:00 pm-4:20 pm

2 stops17h 20m

Oslo Gardermoen

Mon 1/26

9:25 am-10:57 pm

2 stops19h 32m

$526

Washington, D.C.Oslo

DCA - TRF

DCATRF

Washington, D.C. Reagan-National

Mon 2/23

12:05 pm-2:05 pm

2 stops20h 00m

Oslo Sandefjord

Fri 2/27

2:35 pm-10:12 pm

2 stops37h 37m

$738

Washington, D.C.Oslo

DCA - TRF

DCATRF

Washington, D.C. Reagan-National

Mon 3/2

12:05 pm-2:05 pm

2 stops20h 00m

Oslo Sandefjord

Fri 3/6

2:35 pm-10:12 pm

2 stops37h 37m

$807

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

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?

The cheapest day to depart on your flight to Oslo is on a Thursday when prices can be found for as low as $607. This is often the case because there is less demand to fly during this day of the week. 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 for around $698.

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

Flying to Oslo from Washington, D.C. Reagan-National Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $526 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $832. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Washington, D.C. Reagan-National Airport to Oslo 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

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Oslo takes 15h 20m
There are no direct flights from Washington, D.C. Reagan-National Airport to Oslo. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Oslo.
  • How far is Washington, D.C. Reagan-National to Oslo by plane?

    Washington, D.C. Reagan-National and Oslo are 3872.9 mi apart from one another. Typically, this will take 15h 20m by plane in normal conditions.

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

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

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

    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.

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

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

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Oslo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Oslo that suits 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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Oslo from Washington, D.C..

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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1 adult
Tue 1/27
Tue 2/3

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Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo