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Cheap flights from Washington, D.C. to Oslo from $159

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. to Oslo departing on 1/25. 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. to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
7:40 pm - 11:35 am
IAD
-
OSL
9h 55m1 stop
Icelandair Logo
9:30 pm - 6:30 pm
OSL
-
IAD
27h 00m1 stop
$362Icelandair
Mon, Jan 12 - Sun, Jan 25
Icelandair Logo
7:40 pm - 11:35 am
BWI
-
OSL
9h 55m1 stop
Icelandair Logo
9:30 pm - 6:40 pm
OSL
-
BWI
27h 10m1 stop
$383Icelandair
Mon, Jan 12 - Sun, Jan 25
Icelandair Logo
8:40 pm - 11:35 am
IAD
-
OSL
9h 55m1 stop
Icelandair Logo
1:10 pm - 7:30 pm
OSL
-
IAD
11h 20m1 stop
$384Icelandair
Sun, Mar 8 - Mon, Mar 16
Icelandair Logo
7:40 pm - 11:35 am
IAD
-
OSL
9h 55m1 stop
Icelandair Logo
1:10 pm - 6:30 pm
OSL
-
IAD
11h 20m1 stop
$387Icelandair
Tue, Jan 27 - Mon, Feb 2
Scandinavian Airlines Logo
12:23 pm - 11:15 am
IAD
-
OSL
16h 52m2 stops
Scandinavian Airlines Logo
5:55 am - 5:15 pm
OSL
-
IAD
17h 20m1 stop
$405Scandinavian Airlines
Tue, Feb 24 - Thu, Mar 5
TAP AIR PORTUGAL Logo
5:30 pm - 12:10 pm
IAD
-
OSL
12h 40m1 stop
TAP AIR PORTUGAL Logo
6:55 pm - 9:00 pm
OSL
-
IAD
32h 05m1 stop
$406TAP AIR PORTUGAL
Tue, Feb 24 - Thu, Mar 5
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
$451Scandinavian Airlines
Wed, May 6 - Mon, May 11
Multiple Airlines Logo
4:30 pm - 6:00 pm
DCA
-
OSL
19h 30m2 stops
Multiple Airlines Logo
6:35 am - 9:48 pm
OSL
-
DCA
21h 13m2 stops
$491Multiple Airlines
Wed, May 6 - Mon, May 11
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
$502British Airways
Tue, Apr 21 - Mon, Apr 27
British Airways Logo
8:45 pm - 5:30 pm
DCA
-
OSL
38h 45m2 stops
British Airways Logo
8:45 am - 10:00 am
OSL
-
DCA
30h 15m2 stops
$505British Airways
Thu, Mar 5 - Tue, Mar 10

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

Our best British Airways deals on Washington, D.C. to Oslo Gardermoen Airport flight tickets
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
$502
Find similar
British Airways
Mar 5
DCA8:45 pmWashington, D.C. Reagan-National
38h 45m
2 stops
OSL5:30 pmOslo Gardermoen
Mar 10
OSL8:45 amOslo Gardermoen
30h 15m
2 stops
DCA10:00 amWashington, D.C. Reagan-National
$505
Find similar
British Airways
Jan 8
BWI8:35 pmBaltimore/Washington
21h 00m
1 stop
OSL11:35 pmOslo Gardermoen
Jan 12
OSL2:40 pmOslo Gardermoen
34h 05m
1 stop
BWI6:45 pmBaltimore/Washington
$510
Find similar

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

Our best Icelandair deals on Washington, D.C. to Oslo Gardermoen Airport flight tickets
Icelandair
Jan 12
IAD7:40 pmWashington, D.C. Dulles Intl
9h 55m
1 stop
OSL11:35 amOslo Gardermoen
Jan 25
OSL9:30 pmOslo Gardermoen
27h 00m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$362
Find similar
Icelandair
Jan 12
BWI7:40 pmBaltimore/Washington
9h 55m
1 stop
OSL11:35 amOslo Gardermoen
Jan 25
OSL9:30 pmOslo Gardermoen
27h 10m
1 stop
BWI6:40 pmBaltimore/Washington
$383
Find similar
Icelandair
Jan 12
BWI7:40 pmBaltimore/Washington
9h 55m
1 stop
OSL11:35 amOslo Gardermoen
Jan 25
OSL9:30 pmOslo Gardermoen
27h 10m
1 stop
BWI6:40 pmBaltimore/Washington
$389
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 1/12

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Sun 1/25

9:30 pm-6:30 pm

1 stop27h 00m

$362

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Mon 1/12

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Sun 1/25

9:30 pm-6:40 pm

1 stop27h 10m

$383

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 3/8

8:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Mon 3/16

1:10 pm-7:30 pm

1 stop11h 20m

$384

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 1/27

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Mon 2/2

1:10 pm-6:30 pm

1 stop11h 20m

$387

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 2/24

12:23 pm-11:15 am

2 stops16h 52m

Oslo Gardermoen

Thu 3/5

5:55 am-5:15 pm

1 stop17h 20m

$405

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 2/24

5:30 pm-12:10 pm

1 stop12h 40m

Oslo Gardermoen

Thu 3/5

6:55 pm-9:00 pm

1 stop32h 05m

$406

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Wed 5/6

6:05 am-6:45 am

1 stop18h 40m

Oslo Gardermoen

Mon 5/11

1:05 pm-11:12 pm

1 stop16h 07m

$451

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Wed 5/6

4:30 pm-6:00 pm

2 stops19h 30m

Oslo Gardermoen

Mon 5/11

6:35 am-9:48 pm

2 stops21h 13m

$491

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

$502

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Thu 3/5

8:45 pm-5:30 pm

2 stops38h 45m

Oslo Gardermoen

Tue 3/10

8:45 am-10:00 am

2 stops30h 15m

$505

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. 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. and Oslo Gardermoen Airport?

What is the cheapest month to fly to Oslo Gardermoen Airport?

The cheapest month to fly to Oslo Gardermoen Airport from Washington, D.C. is in February. Flight prices, which tend to average around $463, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Oslo Gardermoen Airport from Washington, D.C. during September instead. Flights to Oslo Gardermoen Airport in September, while not as cheap as those in February, still average around $496.

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.. 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. 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. 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.

How far in advance should I book a flight to Oslo Gardermoen Airport?

You are more likely to see cheaper flights to Oslo Gardermoen Airport from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $592 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from Washington, D.C. for as low as $528 on momondo.

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

You could potentially save up to 61% on your flight if you consider stops on a Washington, D.C. to Oslo Gardermoen Airport flight.

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

As of December 2025, prices for Washington, D.C. to Oslo Gardermoen Airport flights are approximately 43% cheaper when compared to flights at the same time last year.

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

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

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

Fastest flight time

9h 55m

Direct flights

None
The fastest flight from Washington, D.C. to Oslo Gardermoen Airport takes 9h 55m
There are no direct flights from Washington, D.C. to Oslo Gardermoen Airport. There are no popular flight routes from Washington, D.C. to Oslo Gardermoen Airport.
Search flight deals

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

    A flight from Washington, D.C. to Oslo Gardermoen will travel around 3874.4 mi. Flights usually cover this in 9h 55m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Washington, D.C. to Oslo Gardermoen Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. 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.

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Oslo Gardermoen Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $388Free CancellationRating
7.0
589 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $400Free CancellationRating
7.4
1,605 reviews
Search Scandinavian Airlines flights
KLMPriceFrom $514Free CancellationRating
7.7
1,432 reviews
Search KLM flights
United AirlinesPriceFrom $535Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
DeltaPriceFrom $538Free CancellationRating
7.9
8,007 reviews
Search Delta flights
LufthansaPriceFrom $540Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
Air FrancePriceFrom $543Free CancellationRating
7.4
1,504 reviews
Search Air France flights
British AirwaysPriceFrom $552Free CancellationRating
6.7
7,571 reviews
Search British Airways flights

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?

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?

momondo does allow users to show only those flights to Oslo from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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?

Price alerts on flights to Oslo from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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