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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 12/10. 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.
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
$347Scandinavian Airlines
Find Deal
Wed, Apr 22 - Thu, Apr 30
Icelandair Logo
7:40 pm - 8:35 pmBWI-OSL
18h 55m1 stop
Icelandair Logo
9:30 pm - 6:40 pmOSL-BWI
27h 10m1 stop
$362Icelandair
Find Deal
Sat, Nov 8 - Sun, Nov 23
Scandinavian Airlines Logo
12:30 pm - 6:45 amIAD-OSL
12h 15m1 stop
Scandinavian Airlines Logo
9:55 am - 4:50 pmOSL-IAD
12h 55m1 stop
$382Scandinavian Airlines
Find Deal
Wed, Apr 22 - Thu, Apr 30
Icelandair Logo
8:30 pm - 12:35 pmBWI-OSL
10h 05m1 stop
Icelandair Logo
4:30 pm - 10:30 pmOSL-BWI
12h 00m1 stop
$384Icelandair
Find Deal
Sun, Mar 29 - Thu, Apr 2
United Airlines Logo
10:55 pm - 5:40 pmIAD-OSL
12h 45m1 stop
United Airlines Logo
1:45 pm - 8:15 pmOSL-IAD
12h 30m1 stop
$507United Airlines
Find Deal
Sun, Nov 23 - Thu, Nov 27
United Airlines Logo
3:09 pm - 5:10 pmDCA-OSL
20h 01m2 stops
United Airlines Logo
6:15 am - 10:26 amOSL-DCA
34h 11m2 stops
$514United Airlines
Find Deal
Sun, Nov 23 - Thu, Nov 27
Delta Logo
3:38 pm - 1:50 pmBWI-OSL
16h 12m2 stops
Delta Logo
6:30 am - 7:12 pmOSL-BWI
18h 42m2 stops
$517Delta
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Thu, Jan 8 - Mon, Jan 12
Delta Logo
2:35 pm - 8:50 pmBWI-OSL
24h 15m2 stops
Delta Logo
9:25 am - 7:02 pmOSL-BWI
39h 37m2 stops
$523Delta
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Mon, Nov 24 - Tue, Dec 2
British Airways Logo
1:44 pm - 10:55 amDCA-OSL
15h 11m2 stops
British Airways Logo
7:20 am - 6:44 pmOSL-DCA
17h 24m2 stops
$528British Airways
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Thu, Jan 15 - Mon, Jan 19
British Airways Logo
4:04 pm - 5:30 pmDCA-OSL
20h 26m2 stops
British Airways Logo
7:10 am - 6:48 pmOSL-DCA
16h 38m2 stops
$660British Airways
Find Deal
Fri, Mar 13 - Sat, Mar 21

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

Our best Scandinavian Airlines deals on Washington, D.C. to Oslo Gardermoen Airport flight tickets
Scandinavian Airlines
Apr 22
IAD12:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
OSL6:45 amOslo Gardermoen
Apr 30
OSL8:00 amOslo Gardermoen
14h 50m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$347
Find similar
Scandinavian Airlines
Apr 22
IAD12:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
OSL6:45 amOslo Gardermoen
Apr 30
OSL9:55 amOslo Gardermoen
12h 55m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$382
Find similar
Scandinavian Airlines
Feb 3
IAD12:23 pmWashington, D.C. Dulles Intl
16h 52m
2 stops
OSL11:15 amOslo Gardermoen
Feb 11
OSL10:00 amOslo Gardermoen
13h 15m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$390
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
Nov 8
BWI7:40 pmBaltimore/Washington
18h 55m
1 stop
OSL8:35 pmOslo Gardermoen
Nov 23
OSL9:30 pmOslo Gardermoen
27h 10m
1 stop
BWI6:40 pmBaltimore/Washington
$362
Find similar
Icelandair
Mar 29
BWI8:30 pmBaltimore/Washington
10h 05m
1 stop
OSL12:35 pmOslo Gardermoen
Apr 2
OSL4:30 pmOslo Gardermoen
12h 00m
1 stop
BWI10:30 pmBaltimore/Washington
$384
Find similar
Icelandair
Nov 28
IAD7:40 pmWashington, D.C. Dulles Intl
9h 55m
1 stop
OSL11:35 amOslo Gardermoen
Dec 4
OSL1:10 pmOslo Gardermoen
11h 20m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$385
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 October 29, 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

8:00 am-4:50 pm

1 stop14h 50m

$347

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Sat 11/8

7:40 pm-8:35 pm

1 stop18h 55m

Oslo Gardermoen

Sun 11/23

9:30 pm-6:40 pm

1 stop27h 10m

$362

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

9:55 am-4:50 pm

1 stop12h 55m

$382

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Sun 3/29

8:30 pm-12:35 pm

1 stop10h 05m

Oslo Gardermoen

Thu 4/2

4:30 pm-10:30 pm

1 stop12h 00m

$384

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 11/23

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

Thu 11/27

1:45 pm-8:15 pm

1 stop12h 30m

$507

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sun 11/23

3:09 pm-5:10 pm

2 stops20h 01m

Oslo Gardermoen

Thu 11/27

6:15 am-10:26 am

2 stops34h 11m

$514

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Thu 1/8

3:38 pm-1:50 pm

2 stops16h 12m

Oslo Gardermoen

Mon 1/12

6:30 am-7:12 pm

2 stops18h 42m

$517

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Mon 11/24

2:35 pm-8:50 pm

2 stops24h 15m

Oslo Gardermoen

Tue 12/2

9:25 am-7:02 pm

2 stops39h 37m

$523

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Thu 1/15

1:44 pm-10:55 am

2 stops15h 11m

Oslo Gardermoen

Mon 1/19

7:20 am-6:44 pm

2 stops17h 24m

$528

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Fri 3/13

4:04 pm-5:30 pm

2 stops20h 26m

Oslo Gardermoen

Sat 3/21

7:10 am-6:48 pm

2 stops16h 38m

$660

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 $600 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 $497 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 October 2025, prices for Washington, D.C. to Oslo Gardermoen Airport flights are approximately 6% 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

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 50m, 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
562 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $400Free CancellationRating
7.4
1,545 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $517Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
DeltaPriceFrom $532Free CancellationRating
7.9
7,992 reviews
Search Delta flights
KLMPriceFrom $542Free CancellationRating
7.7
1,406 reviews
Search KLM flights
Air FrancePriceFrom $543Free CancellationRating
7.4
1,482 reviews
Search Air France flights
United AirlinesPriceFrom $545Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
LufthansaPriceFrom $549Free CancellationRating
6.8
7,540 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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