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Cheap flights from Oslo Gardermoen Airport to Washington, D.C. from $214

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 6/18. 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

Enter your travel dates to find the best prices.
Icelandair Logo
9:30 pm - 6:30 pm
OSL
-
IAD
27h 00m
1 stop
Icelandair Logo
8:40 pm - 11:35 am
IAD
-
OSL
9h 55m
1 stop
$315Icelandair
Sun, Mar 1 - Tue, Mar 17
Icelandair Logo
9:30 pm - 6:30 pm
OSL
-
IAD
27h 00m
1 stop
Icelandair Logo
7:40 pm - 11:35 am
IAD
-
OSL
9h 55m
1 stop
$316Icelandair
Sun, Feb 8 - Mon, Feb 23
Icelandair Logo
9:30 pm - 6:30 pm
OSL
-
IAD
27h 00m
1 stop
Icelandair Logo
7:40 pm - 11:35 am
IAD
-
OSL
9h 55m
1 stop
$320Icelandair
Sun, Feb 8 - Mon, Feb 23
Icelandair Logo
1:50 pm - 7:20 pm
OSL
-
IAD
11h 30m
1 stop
Icelandair Logo
8:30 pm - 3:25 pm
IAD
-
OSL
12h 55m
1 stop
$321Icelandair
Tue, Apr 21 - Fri, Apr 24
British Airways Logo
7:20 am - 7:36 pm
OSL
-
DCA
18h 16m
2 stops
British Airways Logo
6:23 am - 10:55 am
DCA
-
OSL
22h 32m
2 stops
$429British Airways
Sun, Feb 8 - Mon, Feb 23
British Airways Logo
7:20 am - 4:50 pm
OSL
-
DCA
15h 30m
2 stops
British Airways Logo
12:04 pm - 10:55 am
DCA
-
OSL
16h 51m
2 stops
$430British Airways
Sun, Feb 8 - Mon, Feb 23
Finnair Logo
6:25 am - 10:03 pm
OSL
-
DCA
21h 38m
2 stops
Finnair Logo
5:00 pm - 8:10 pm
DCA
-
OSL
21h 10m
2 stops
$490Finnair
Sun, Feb 8 - Mon, Feb 23
American Airlines Logo
7:45 am - 4:45 pm
OSL
-
DCA
15h 00m
2 stops
American Airlines Logo
5:30 pm - 11:25 pm
DCA
-
OSL
23h 55m
2 stops
$495American Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
7:45 am - 10:17 pm
OSL
-
DCA
20h 32m
2 stops
American Airlines Logo
4:43 pm - 11:25 pm
DCA
-
OSL
24h 42m
2 stops
$496American Airlines
Thu, Apr 16 - Mon, Apr 20
Scandinavian Airlines Logo
1:20 pm - 10:43 pm
OSL
-
DCA
15h 23m
1 stop
Scandinavian Airlines Logo
11:00 am - 6:45 am
DCA
-
OSL
13h 45m
1 stop
$572Scandinavian Airlines
Tue, Apr 21 - Fri, Apr 24

TAP AIR PORTUGAL flights from Oslo Gardermoen Airport to Washington, D.C.

Our best TAP AIR PORTUGAL deals on Oslo Gardermoen Airport to Washington, D.C. flight tickets
TAP AIR PORTUGAL
Mar 3
OSL6:45 pmOslo Gardermoen
32h 15m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
Mar 10
IAD6:30 pmWashington, D.C. Dulles Intl
12h 40m
1 stop
OSL12:10 pmOslo Gardermoen
$467
TAP AIR PORTUGAL
Jan 21
OSL1:00 pmOslo Gardermoen
32h 15m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Jan 31
IAD5:30 pmWashington, D.C. Dulles Intl
32h 50m
2 stops
OSL8:20 amOslo Gardermoen
$638

Delta flights from Oslo Gardermoen Airport to Washington, D.C.

Our best Delta deals on Oslo Gardermoen Airport to Washington, D.C. flight tickets
Delta
Mar 2
OSL6:30 amOslo Gardermoen
15h 35m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Mar 9
IAD7:59 pmWashington, D.C. Dulles Intl
15h 21m
2 stops
OSL4:20 pmOslo Gardermoen
$487
Delta
Apr 23
OSL11:50 amOslo Gardermoen
17h 46m
2 stops
IAD11:36 pmWashington, D.C. Dulles Intl
Apr 26
IAD6:15 pmWashington, D.C. Dulles Intl
16h 25m
1 stop
OSL4:40 pmOslo Gardermoen
$492
Delta
Feb 8
OSL9:25 amOslo Gardermoen
12h 40m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Feb 23
IAD7:35 pmWashington, D.C. Dulles Intl
14h 40m
2 stops
OSL4:15 pmOslo Gardermoen
$493

momondo Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen Airport to Washington, D.C. 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 January 18, 2026.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 3/1

9:30 pm-6:30 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Tue 3/17

8:40 pm-11:35 am

1 stop9h 55m

$315

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/8

9:30 pm-6:30 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Mon 2/23

7:40 pm-11:35 am

1 stop9h 55m

$316

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/8

9:30 pm-6:30 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Mon 2/23

7:40 pm-11:35 am

1 stop9h 55m

$320

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Tue 4/21

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Fri 4/24

8:30 pm-3:25 pm

1 stop12h 55m

$321

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 2/8

7:20 am-7:36 pm

2 stops18h 16m

Washington, D.C. Reagan-National

Mon 2/23

6:23 am-10:55 am

2 stops22h 32m

$429

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 2/8

7:20 am-4:50 pm

2 stops15h 30m

Washington, D.C. Reagan-National

Mon 2/23

12:04 pm-10:55 am

2 stops16h 51m

$430

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 2/8

6:25 am-10:03 pm

2 stops21h 38m

Washington, D.C. Reagan-National

Mon 2/23

5:00 pm-8:10 pm

2 stops21h 10m

$490

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 4/16

7:45 am-4:45 pm

2 stops15h 00m

Washington, D.C. Reagan-National

Mon 4/20

5:30 pm-11:25 pm

2 stops23h 55m

$495

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Thu 4/16

7:45 am-10:17 pm

2 stops20h 32m

Washington, D.C. Reagan-National

Mon 4/20

4:43 pm-11:25 pm

2 stops24h 42m

$496

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Tue 4/21

1:20 pm-10:43 pm

1 stop15h 23m

Washington, D.C. Reagan-National

Fri 4/24

11:00 am-6:45 am

1 stop13h 45m

$572

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.

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 Oslo Gardermoen Airport and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of November is, on average, the cheapest month to fly to Washington, D.C. from Oslo Gardermoen Airport, with most prices found around $462. If you’re not able to fly to Washington, D.C. in November, then February is your next best option. Flight prices from Oslo Gardermoen Airport to Washington, D.C. during February average around $464.

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Oslo Gardermoen Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $583 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Oslo Gardermoen Airport for as low as $412 on momondo.

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

You could potentially save up to 10% on your flight if you consider stops on a Oslo Gardermoen Airport to Washington, D.C. flight.

How have Oslo Gardermoen Airport to Washington, D.C. flight prices changed over time?

As of January 2026, prices for Oslo Gardermoen Airport to Washington, D.C. flights are approximately 8% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Oslo Gardermoen Airport to Washington, D.C. 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. (OSL to WAS) flight deals and tips

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

Fastest flight time

11h 30m

Direct flights

None
The fastest flight from Oslo Gardermoen Airport to Washington, D.C. takes 11h 30m
There are no direct flights from Oslo Gardermoen Airport to Washington, D.C.. There are no popular flight routes from Oslo Gardermoen Airport to Washington, D.C..
Search flight deals

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

    Oslo Gardermoen and Washington, D.C. are 3874.4 mi apart from one another. Flights usually cover this in 11h 30m, depending on flying conditions and air traffic around both airports.

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

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

  • How many operators does momondo search for flights from Oslo Gardermoen Airport to Washington, D.C.?

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

    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 Oslo Gardermoen Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Oslo Gardermoen Airport to Washington, D.C.?

Best airlines flying from Oslo Gardermoen Airport to Washington, D.C.

Compare and see reviews for airlines that fly from Oslo Gardermoen Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $438Free CancellationRating
6.7
7,689 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $438Free CancellationRating
7.3
1,655 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $448Free CancellationRating
6.8
7,731 reviews
Search Lufthansa flights
United AirlinesPriceFrom $459Free CancellationRating
7.4
9,177 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oslo to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Oslo to Washington, D.C. 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 Oslo to Washington, D.C.?

Once all potential Oslo to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Oslo and alert you when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport