What is the cheapest airline that flies from Washington, D.C. to Oslo Gardermoen?

Icelandair, SWISS, and British Airways are the most popular carriers operating from Washington, D.C. to Oslo Gardermoen

How long does it take to fly to Oslo Gardermoen Airport?

Average flight duration from Washington, D.C. to Oslo Gardermoen Airport depends on which airport you fly into and out of. Flying from Baltimore to Oslo Gardermoen Airport is 9h 55m on average, while flying from Washington, D.C. to Oslo Gardermoen Airport is 11h 15m on average. Oslo Gardermoen Airport is the most popular airport in Oslo Gardermoen Airport.

Which layover airport has the shortest travel time from Washington, D.C. to Oslo Gardermoen Airport?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 01m.

Which layover airport has the shortest connection time from Washington, D.C. to Oslo Gardermoen Airport?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 25m.

Which layover airport offers the lowest fares from Washington, D.C. to Oslo Gardermoen Airport?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $505.

What airlines fly to Oslo Gardermoen Airport?

Icelandair, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Oslo Gardermoen Airport from Washington, D.C. according to our data. Icelandair is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Oslo Gardermoen Airport. Keep in mind that there are 6 different airlines that fly to Oslo Gardermoen Airport on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Washington, D.C. and Oslo Gardermoen Airport?

Reykjavik (KEF) was the most common stop: 30% of momondo users choosing 1-stop flights on this route connected there.

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?

There are 6 operators available for flights from Washington, D.C. to Oslo Gardermoen Airport as of February 2026.

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.

$207 Cheap Flights from Washington, D.C. to Oslo Gardermoen Airport in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. and Oslo Gardermoen Airport?

Prices are currently low for flights on this route. Typical prices usually range from $411 to $509. The lowest price recently found on this route was $367.

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Find the cheapest flights from Washington, D.C. to Oslo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 pm - 11:35 am

BWI

OSL

9h 55m

1 stop

1:50 pm - 7:25 pm

OSL

BWI

11h 35m

1 stop

$367Icelandair

Mon, Mar 16 - Tue, Mar 31

7:40 pm - 11:35 am

IAD

OSL

9h 55m

1 stop

9:30 pm - 7:30 pm

OSL

IAD

27h 00m

1 stop

$368Icelandair

Mon, Feb 23 - Sun, Mar 8

8:30 pm - 12:35 pm

IAD

OSL

10h 05m

1 stop

1:50 pm - 7:20 pm

OSL

IAD

11h 30m

1 stop

$374Icelandair

Wed, Apr 22 - Thu, Apr 30

8:30 pm - 3:25 pm

IAD

OSL

12h 55m

1 stop

4:30 pm - 7:20 pm

OSL

IAD

32h 50m

1 stop

$383Icelandair

Wed, Apr 22 - Thu, Apr 30

8:30 pm - 3:25 pm

IAD

OSL

12h 55m

1 stop

1:50 pm - 7:20 pm

OSL

IAD

11h 30m

1 stop

$391Icelandair

Fri, Apr 17 - Mon, Apr 20

11:05 am - 12:10 pm

DCA

OSL

20h 05m

2 stops

6:45 am - 9:56 pm

OSL

DCA

20h 11m

2 stops

$495Multiple Airlines

Mon, Mar 9 - Mon, Mar 16

4:34 pm - 10:55 am

DCA

OSL

13h 21m

2 stops

11:45 am - 9:59 am

OSL

DCA

27h 14m

2 stops

$517British Airways

Tue, Mar 10 - Tue, Mar 17

4:43 pm - 4:20 pm

DCA

OSL

17h 37m

2 stops

12:50 pm - 10:29 pm

OSL

DCA

15h 39m

2 stops

$520American Airlines

Thu, Apr 30 - Wed, May 6

4:43 pm - 4:20 pm

DCA

OSL

17h 37m

2 stops

12:50 pm - 10:29 pm

OSL

DCA

15h 39m

2 stops

$521American Airlines

Thu, Apr 9 - Fri, Apr 17

12:59 pm - 11:00 am

DCA

OSL

16h 01m

2 stops

6:15 am - 7:35 pm

OSL

DCA

19h 20m

2 stops

$530United Airlines

Tue, Feb 24 - Sat, Feb 28

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

Our best TAP AIR PORTUGAL deals on Washington, D.C. to Oslo Gardermoen Airport flight tickets

TAP AIR PORTUGAL

Mar 16

IAD6:30 pmWashington, D.C. Dulles Intl

18h 25m

1 stop

OSL5:55 pmOslo Gardermoen

Apr 1

OSL6:50 pmOslo Gardermoen

26h 15m

1 stop

IAD3:05 pmWashington, D.C. Dulles Intl

$439

TAP AIR PORTUGAL

Mar 9

IAD6:30 pmWashington, D.C. Dulles Intl

18h 25m

1 stop

OSL5:55 pmOslo Gardermoen

Mar 18

OSL1:00 pmOslo Gardermoen

32h 15m

1 stop

IAD4:15 pmWashington, D.C. Dulles Intl

$441

TAP AIR PORTUGAL

Mar 9

IAD6:30 pmWashington, D.C. Dulles Intl

18h 25m

1 stop

OSL5:55 pmOslo Gardermoen

Mar 16

OSL6:45 pmOslo Gardermoen

25h 50m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$445

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 6

IAD8:20 pmWashington, D.C. Dulles Intl

30h 55m

1 stop

OSL9:15 amOslo Gardermoen

Apr 12

OSL5:15 pmOslo Gardermoen

29h 35m

1 stop

IAD4:50 pmWashington, D.C. Dulles Intl

$450

Scandinavian Airlines

Apr 12

IAD8:20 pmWashington, D.C. Dulles Intl

29h 50m

1 stop

OSL8:10 amOslo Gardermoen

Apr 18

OSL1:35 pmOslo Gardermoen

33h 15m

1 stop

IAD4:50 pmWashington, D.C. Dulles Intl

$471

Scandinavian Airlines

Mar 11

IAD9:30 pmWashington, D.C. Dulles Intl

14h 10m

1 stop

OSL4:40 pmOslo Gardermoen

Mar 18

OSL8:00 amOslo Gardermoen

15h 15m

1 stop

IAD6:15 pmWashington, D.C. Dulles Intl

$480

momondo Fare Finder

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

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Mon 3/16

8:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Tue 3/31

1:50 pm-7:25 pm

1 stop11h 35m

$367

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 2/23

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Sun 3/8

9:30 pm-7:30 pm

1 stop27h 00m

$368

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 4/22

8:30 pm-12:35 pm

1 stop10h 05m

Oslo Gardermoen

Thu 4/30

1:50 pm-7:20 pm

1 stop11h 30m

$374

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 4/22

8:30 pm-3:25 pm

1 stop12h 55m

Oslo Gardermoen

Thu 4/30

4:30 pm-7:20 pm

1 stop32h 50m

$383

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Fri 4/17

8:30 pm-3:25 pm

1 stop12h 55m

Oslo Gardermoen

Mon 4/20

1:50 pm-7:20 pm

1 stop11h 30m

$391

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Mon 3/9

11:05 am-12:10 pm

2 stops20h 05m

Oslo Gardermoen

Mon 3/16

6:45 am-9:56 pm

2 stops20h 11m

$495

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 3/10

4:34 pm-10:55 am

2 stops13h 21m

Oslo Gardermoen

Tue 3/17

11:45 am-9:59 am

2 stops27h 14m

$517

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Thu 4/30

4:43 pm-4:20 pm

2 stops17h 37m

Oslo Gardermoen

Wed 5/6

12:50 pm-10:29 pm

2 stops15h 39m

$520

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Thu 4/9

4:43 pm-4:20 pm

2 stops17h 37m

Oslo Gardermoen

Fri 4/17

12:50 pm-10:29 pm

2 stops15h 39m

$521

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 2/24

12:59 pm-11:00 am

2 stops16h 01m

Oslo Gardermoen

Sat 2/28

6:15 am-7:35 pm

2 stops19h 20m

$530

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

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 January instead. Flights to Oslo Gardermoen Airport in January, while not as cheap as those in February, still average around $491.

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 $572 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 $519 on momondo.

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

You could potentially save up to 68% 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 February 2026, prices for Washington, D.C. to Oslo Gardermoen Airport flights are approximately 27% 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?
There are 6 operators available for flights from Washington, D.C. to Oslo Gardermoen Airport as of February 2026.
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?
Based on momondo bookings for flights between Washington, D.C. and Oslo Gardermoen Airport, the leading airline is Icelandair, making up 42% of the total bookings. Other popular airlines include Scandinavian Airlines with 25%, United Airlines with 12%, and Lufthansa with 7%.

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
Icelandair	PriceFrom $390	Free Cancellation	Rating 7.1 611 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.3 1,679 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $512	Free Cancellation	Rating 6.7 7,731 reviews	Search British Airways flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.7 1,451 reviews	Search KLM flights
United Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 9,276 reviews	Search United Airlines flights
Lufthansa	PriceFrom $529	Free Cancellation	Rating 6.8 7,779 reviews	Search Lufthansa flights

Gardermoen

Fredrikstad

Lillehammer

Drammen

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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.

An easier way to manage your Oslo Gardermoen Airport trip

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Flights to Oslo Sandefjord Airportfrom $465

Cheap flights from Washington, D.C. to Oslo from $207

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 4/21. 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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TAP AIR PORTUGAL flights from Washington, D.C. to Oslo Gardermoen Airport

Our best TAP AIR PORTUGAL deals on Washington, D.C. to Oslo Gardermoen Airport flight tickets

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

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Use the filters below to find and compare flights from Washington, D.C. to Oslo Gardermoen Airport that are best for you.

See travel insights to Oslo from

How to get the cheapest flight ticket from Washington, D.C. to Oslo Gardermoen Airport

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?

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

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

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

What is the cheapest airline that flies from Washington, D.C. to Oslo Gardermoen?

What airlines fly to Oslo Gardermoen Airport?

Which airport is the most popular layover for flights between Washington, D.C. and Oslo Gardermoen Airport?

Which layover airport offers the lowest fares from Washington, D.C. to Oslo Gardermoen Airport?

Which layover airport has the shortest travel time from Washington, D.C. to Oslo Gardermoen Airport?

Which layover airport has the shortest connection time from Washington, D.C. to Oslo Gardermoen Airport?

How long does it take to fly to Oslo Gardermoen Airport?

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

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

Direct flights

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

Traveling to a place near Oslo?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Oslo Gardermoen Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Oslo. Availability may vary depending on flight origin and airline.

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