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Cheap flights from Washington, D.C. to Oslo from $166

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 12/3. 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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0 bags

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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.
Scandinavian Airlines Logo
12:30 pm - 6:45 amIAD-OSL
12h 15m1 stop
Scandinavian Airlines Logo
11:55 am - 4:50 pmOSL-IAD
10h 55m1 stop
$380Scandinavian Airlines
Find Deal
Wed, Apr 22 - Thu, Apr 30
Scandinavian Airlines Logo
12:30 pm - 6:45 amIAD-OSL
12h 15m1 stop
Scandinavian Airlines Logo
8:00 am - 4:50 pmOSL-IAD
14h 50m1 stop
$381Scandinavian Airlines
Find Deal
Wed, Apr 22 - Thu, Apr 30
Icelandair Logo
7:40 pm - 11:35 amBWI-OSL
9h 55m1 stop
Icelandair Logo
1:10 pm - 6:40 pmOSL-BWI
11h 30m1 stop
$388Icelandair
Find Deal
Sat, Dec 6 - Thu, Dec 11
Icelandair Logo
7:40 pm - 11:35 amBWI-OSL
9h 55m1 stop
Icelandair Logo
1:10 pm - 6:40 pmOSL-BWI
11h 30m1 stop
$390Icelandair
Find Deal
Sat, Dec 6 - Wed, Dec 10
Icelandair Logo
7:40 pm - 8:35 pmIAD-OSL
18h 55m1 stop
Icelandair Logo
1:10 pm - 6:30 pmOSL-IAD
11h 20m1 stop
$390Icelandair
Find Deal
Sat, Dec 6 - Wed, Dec 10
Icelandair Logo
7:40 pm - 8:35 pmBWI-OSL
18h 55m1 stop
Icelandair Logo
1:10 pm - 6:40 pmOSL-BWI
11h 30m1 stop
$391Icelandair
Find Deal
Sat, Dec 6 - Thu, Dec 11
Multiple Airlines Logo
6:00 am - 1:10 pmDCA-OSL
25h 10m2 stops
Multiple Airlines Logo
11:45 am - 9:48 pmOSL-DCA
16h 03m2 stops
$482Multiple Airlines
Find Deal
Fri, Apr 24 - Sat, May 2
Multiple Airlines Logo
11:05 am - 12:10 pmDCA-OSL
19h 05m2 stops
Multiple Airlines Logo
11:50 am - 9:56 pmOSL-DCA
16h 06m2 stops
$486Multiple Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
Air Canada Logo
11:05 am - 5:40 pmDCA-OSL
24h 35m2 stops
Air Canada Logo
6:15 am - 10:21 amOSL-DCA
34h 06m2 stops
$506Air Canada
Find Deal
Wed, Dec 3 - Mon, Dec 8
Air Canada Logo
6:00 am - 5:40 pmDCA-OSL
29h 40m2 stops
Air Canada Logo
6:15 am - 10:23 amOSL-DCA
34h 08m2 stops
$508Air Canada
Find Deal
Thu, Feb 5 - Mon, Feb 9

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
Feb 4
BWI8:35 pmBaltimore/Washington
11h 35m
1 stop
OSL2:10 pmOslo Gardermoen
Feb 12
OSL11:45 amOslo Gardermoen
13h 00m
1 stop
BWI6:45 pmBaltimore/Washington
$482
Find similar
British Airways
Jan 9
BWI8:35 pmBaltimore/Washington
19h 35m
1 stop
OSL10:10 pmOslo Gardermoen
Jan 18
OSL7:20 amOslo Gardermoen
17h 25m
1 stop
BWI6:45 pmBaltimore/Washington
$512
Find similar
British Airways
Nov 16
BWI5:46 pmBaltimore/Washington
13h 59m
2 stops
OSL1:45 pmOslo Gardermoen
Nov 18
OSL11:45 amOslo Gardermoen
16h 20m
2 stops
BWI10:05 pmBaltimore/Washington
$745
Find similar

United Airlines flights from Washington, D.C. to Oslo Gardermoen Airport

Our best United Airlines deals on Washington, D.C. to Oslo Gardermoen Airport flight tickets
United Airlines
Mar 27
DCA6:00 pmWashington, D.C. Reagan-National
18h 40m
2 stops
OSL5:40 pmOslo Gardermoen
Apr 4
OSL6:45 amOslo Gardermoen
33h 34m
2 stops
DCA10:19 amWashington, D.C. Reagan-National
$513
Find similar
United Airlines
Feb 10
BWI10:05 amBaltimore/Washington
25h 35m
2 stops
OSL5:40 pmOslo Gardermoen
Feb 24
OSL6:15 amOslo Gardermoen
21h 12m
2 stops
BWI9:27 pmBaltimore/Washington
$523
Find similar
United Airlines
Jan 9
BWI5:18 pmBaltimore/Washington
18h 22m
2 stops
OSL5:40 pmOslo Gardermoen
Jan 14
OSL11:50 amOslo Gardermoen
32h 21m
2 stops
BWI2:11 pmBaltimore/Washington
$532
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 November 13, 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

Wed 4/22

12:30 pm-6:45 am

1 stop12h 15m

Oslo Gardermoen

Thu 4/30

11:55 am-4:50 pm

1 stop10h 55m

$380

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 4/22

12:30 pm-6:45 am

1 stop12h 15m

Oslo Gardermoen

Thu 4/30

8:00 am-4:50 pm

1 stop14h 50m

$381

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Sat 12/6

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Thu 12/11

1:10 pm-6:40 pm

1 stop11h 30m

$388

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Sat 12/6

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Wed 12/10

1:10 pm-6:40 pm

1 stop11h 30m

$390

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 12/6

7:40 pm-8:35 pm

1 stop18h 55m

Oslo Gardermoen

Wed 12/10

1:10 pm-6:30 pm

1 stop11h 20m

$390

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Sat 12/6

7:40 pm-8:35 pm

1 stop18h 55m

Oslo Gardermoen

Thu 12/11

1:10 pm-6:40 pm

1 stop11h 30m

$391

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Fri 4/24

6:00 am-1:10 pm

2 stops25h 10m

Oslo Gardermoen

Sat 5/2

11:45 am-9:48 pm

2 stops16h 03m

$482

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sat 12/6

11:05 am-12:10 pm

2 stops19h 05m

Oslo Gardermoen

Wed 12/10

11:50 am-9:56 pm

2 stops16h 06m

$486

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Wed 12/3

11:05 am-5:40 pm

2 stops24h 35m

Oslo Gardermoen

Mon 12/8

6:15 am-10:21 am

2 stops34h 06m

$506

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Thu 2/5

6:00 am-5:40 pm

2 stops29h 40m

Oslo Gardermoen

Mon 2/9

6:15 am-10:23 am

2 stops34h 08m

$508

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 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 $465, 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 $595 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 $507 on momondo.

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

You could potentially save up to 59% 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 November 2025, prices for Washington, D.C. to Oslo Gardermoen Airport flights are approximately 26% more expensive 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

Direct flights

None
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.
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  • 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 $392Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $400Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $517Free CancellationRating
6.7
7,520 reviews
Search British Airways flights
DeltaPriceFrom $532Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $535Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
KLMPriceFrom $542Free CancellationRating
7.7
1,411 reviews
Search KLM flights
Air FrancePriceFrom $543Free CancellationRating
7.4
1,487 reviews
Search Air France flights
LufthansaPriceFrom $549Free CancellationRating
6.8
7,572 reviews
Search Lufthansa 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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