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Cheap flights from Washington, D.C. to Oslo from $250

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 10/28. 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

Icelandair Logo
7:40 pm - 8:35 pmIAD-OSL
18h 55m1 stop
Icelandair Logo
1:10 pm - 6:30 pmOSL-IAD
11h 20m1 stop
$395Icelandair
Find Deal
Sat, Feb 28 - Sat, Mar 7
Icelandair Logo
8:30 pm - 12:35 pmIAD-OSL
10h 05m1 stop
Icelandair Logo
1:10 pm - 7:30 pmOSL-IAD
11h 20m1 stop
$401Icelandair
Find Deal
Sat, Oct 18 - Sat, Nov 1
Scandinavian Airlines Logo
12:30 pm - 5:20 pmIAD-OSL
22h 50m2 stops
Scandinavian Airlines Logo
8:00 am - 5:15 pmOSL-IAD
15h 15m1 stop
$418Scandinavian Airlines
Find Deal
Thu, Jan 8 - Wed, Jan 21
Scandinavian Airlines Logo
8:30 pm - 2:15 pmIAD-OSL
11h 45m1 stop
Scandinavian Airlines Logo
9:00 am - 6:15 pmOSL-IAD
14h 15m1 stop
$438Scandinavian Airlines
Find Deal
Wed, Mar 4 - Wed, Mar 25
Lufthansa Logo
10:55 pm - 5:40 pmIAD-OSL
12h 45m1 stop
Lufthansa Logo
9:35 am - 3:50 pmOSL-IAD
12h 15m1 stop
$503Lufthansa
Find Deal
Sun, Nov 2 - Sun, Nov 9
Lufthansa Logo
3:25 pm - 12:15 pmIAD-OSL
14h 50m1 stop
Lufthansa Logo
9:35 am - 4:50 pmOSL-IAD
12h 15m1 stop
$510Lufthansa
Find Deal
Sat, Oct 18 - Sat, Nov 1
United Airlines Logo
5:40 pm - 11:00 amIAD-OSL
11h 20m1 stop
United Airlines Logo
6:15 am - 4:21 pmOSL-IAD
16h 06m2 stops
$531United Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
United Airlines Logo
5:00 pm - 12:55 pmDCA-OSL
13h 55m2 stops
United Airlines Logo
6:15 am - 3:31 pmOSL-DCA
15h 16m2 stops
$540United Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8
British Airways Logo
6:30 pm - 2:10 pmDCA-OSL
13h 40m2 stops
British Airways Logo
7:20 am - 4:35 pmOSL-DCA
15h 15m2 stops
$783British Airways
Find Deal
Wed, Dec 10 - Mon, Dec 29
British Airways Logo
2:55 pm - 10:35 amDCA-OSL
13h 40m2 stops
British Airways Logo
7:20 am - 7:59 pmOSL-DCA
17h 39m2 stops
$861British Airways
Find Deal
Sun, Oct 12 - Sun, Oct 26

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

Our best Delta deals on Washington, D.C. to Oslo Gardermoen Airport flight tickets
Delta
Mar 9
DCA5:00 pmWashington, D.C. Reagan-National
15h 50m
2 stops
OSL1:50 pmOslo Gardermoen
Mar 15
OSL9:25 amOslo Gardermoen
18h 43m
2 stops
DCA11:08 pmWashington, D.C. Reagan-National
$531
Find similar
Delta
Dec 3
BWI6:21 pmBaltimore/Washington
37h 29m
2 stops
OSL1:50 pmOslo Gardermoen
Dec 7
OSL7:50 amOslo Gardermoen
31h 34m
2 stops
BWI9:24 amBaltimore/Washington
$541
Find similar
Delta
Dec 3
BWI6:21 pmBaltimore/Washington
37h 29m
2 stops
OSL1:50 pmOslo Gardermoen
Dec 7
OSL6:25 amOslo Gardermoen
40h 49m
2 stops
BWI5:14 pmBaltimore/Washington
$544
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
Feb 28
IAD7:40 pmWashington, D.C. Dulles Intl
18h 55m
1 stop
OSL8:35 pmOslo Gardermoen
Mar 7
OSL1:10 pmOslo Gardermoen
11h 20m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$395
Find similar
Icelandair
Oct 18
IAD8:30 pmWashington, D.C. Dulles Intl
10h 05m
1 stop
OSL12:35 pmOslo Gardermoen
Nov 1
OSL1:10 pmOslo Gardermoen
11h 20m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
$401
Find similar
Icelandair
Oct 30
IAD8:40 pmWashington, D.C. Dulles Intl
9h 55m
1 stop
OSL11:35 amOslo Gardermoen
Nov 6
OSL1:10 pmOslo Gardermoen
11h 20m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$406
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 September 17, 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

Sat 2/28

7:40 pm-8:35 pm

1 stop18h 55m

Oslo Gardermoen

Sat 3/7

1:10 pm-6:30 pm

1 stop11h 20m

$395

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 10/18

8:30 pm-12:35 pm

1 stop10h 05m

Oslo Gardermoen

Sat 11/1

1:10 pm-7:30 pm

1 stop11h 20m

$401

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 1/8

12:30 pm-5:20 pm

2 stops22h 50m

Oslo Gardermoen

Wed 1/21

8:00 am-5:15 pm

1 stop15h 15m

$418

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 3/4

8:30 pm-2:15 pm

1 stop11h 45m

Oslo Gardermoen

Wed 3/25

9:00 am-6:15 pm

1 stop14h 15m

$438

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 11/2

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

Sun 11/9

9:35 am-3:50 pm

1 stop12h 15m

$503

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 10/18

3:25 pm-12:15 pm

1 stop14h 50m

Oslo Gardermoen

Sat 11/1

9:35 am-4:50 pm

1 stop12h 15m

$510

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 11/29

5:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

Sat 12/6

6:15 am-4:21 pm

2 stops16h 06m

$531

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 12/1

5:00 pm-12:55 pm

2 stops13h 55m

Oslo Gardermoen

Mon 12/8

6:15 am-3:31 pm

2 stops15h 16m

$540

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Wed 12/10

6:30 pm-2:10 pm

2 stops13h 40m

Oslo Gardermoen

Mon 12/29

7:20 am-4:35 pm

2 stops15h 15m

$783

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sun 10/12

2:55 pm-10:35 am

2 stops13h 40m

Oslo Gardermoen

Sun 10/26

7:20 am-7:59 pm

2 stops17h 39m

$861

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 $455, 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 $501.

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 $610 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 $494 on momondo.

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

You could potentially save up to 20% 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 September 2025, prices for Washington, D.C. to Oslo Gardermoen Airport flights are approximately 42% 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.
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 $395Free CancellationRating
7.0
545 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $400Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $517Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
DeltaPriceFrom $538Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Air FrancePriceFrom $543Free CancellationRating
7.4
1,468 reviews
Search Air France flights
United AirlinesPriceFrom $545Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
LufthansaPriceFrom $560Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
KLMPriceFrom $569Free CancellationRating
7.8
1,386 reviews
Search KLM 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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