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

Reykjavik (KEF) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

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 02m.

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 49% 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.

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

Icelandair, TAP AIR PORTUGAL, and Lufthansa 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 12h 06m on average. Oslo Gardermoen Airport is the most popular airport in Oslo Gardermoen Airport.

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

Flights via London (LHR) offer the lowest average round-trip price of $542.

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 23m.

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 August 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.

$225 Cheap Flights from Washington, D.C. to Oslo Gardermoen Airport in 2026

Discover deals from 900+ travel sites with momondo.

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.

8:30 pm - 3:25 pm

BWI

OSL

12h 55m

1 stop

4:30 pm - 7:25 pm

OSL

BWI

32h 55m

1 stop

$472Icelandair

Sun, Aug 16 - Tue, Sep 1

7:40 pm - 8:35 pm

BWI

OSL

18h 55m

1 stop

9:30 pm - 6:40 pm

OSL

BWI

27h 10m

1 stop

$484Icelandair

Wed, Dec 2 - Sun, Dec 6

10:30 pm - 5:55 pm

IAD

OSL

13h 25m

1 stop

6:45 pm - 2:45 pm

OSL

IAD

26h 00m

1 stop

$586TAP AIR PORTUGAL

Sun, Nov 15 - Mon, Nov 30

12:25 pm - 6:45 am

IAD

OSL

12h 20m

1 stop

9:00 pm - 5:00 pm

OSL

IAD

26h 00m

1 stop

$589Scandinavian Airlines

Tue, Sep 22 - Tue, Oct 6

12:25 pm - 6:45 am

IAD

OSL

12h 20m

1 stop

11:00 am - 5:00 pm

OSL

IAD

12h 00m

1 stop

$589Scandinavian Airlines

Tue, Sep 15 - Mon, Sep 21

8:30 pm - 7:30 pm

IAD

OSL

17h 00m

2 stops

2:00 pm - 5:15 pm

OSL

IAD

33h 15m

2 stops

$589Multiple Airlines

Mon, Nov 2 - Sun, Nov 8

8:20 pm - 8:35 am

IAD

OSL

30h 15m

3 stops

7:40 am - 5:00 pm

OSL

IAD

15h 20m

2 stops

$594Multiple Airlines

Mon, Sep 21 - Wed, Oct 7

5:05 pm - 5:50 pm

IAD

OSL

18h 45m

1 stop

6:50 pm - 3:10 pm

OSL

IAD

26h 20m

1 stop

$615TAP AIR PORTUGAL

Tue, Aug 25 - Tue, Sep 1

10:20 pm - 10:05 pm

IAD

OSL

17h 45m

1 stop

6:15 am - 3:15 pm

OSL

IAD

15h 00m

1 stop

$734United Airlines

Fri, Aug 14 - Sat, Aug 22

10:20 pm - 5:55 pm

IAD

OSL

13h 35m

1 stop

6:15 am - 3:15 pm

OSL

IAD

15h 00m

1 stop

$734United Airlines

Sat, Aug 15 - Sat, Aug 22

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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

TAP AIR PORTUGAL

Aug 25

IAD10:35 pmWashington, D.C. Dulles Intl

13h 15m

1 stop

OSL5:50 pmOslo Gardermoen

Sep 1

OSL6:50 pmOslo Gardermoen

26h 20m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$615

TAP AIR PORTUGAL

Aug 11

IAD10:35 pmWashington, D.C. Dulles Intl

31h 25m

1 stop

OSL12:00 pmOslo Gardermoen

Aug 26

OSL6:50 pmOslo Gardermoen

26h 20m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$637

TAP AIR PORTUGAL

Aug 15

IAD10:35 pmWashington, D.C. Dulles Intl

31h 25m

1 stop

OSL12:00 pmOslo Gardermoen

Aug 23

OSL12:50 pmOslo Gardermoen

32h 20m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$729

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

Aug 16

BWI8:30 pmBaltimore/Washington

12h 55m

1 stop

OSL3:25 pmOslo Gardermoen

Sep 1

OSL4:30 pmOslo Gardermoen

32h 55m

1 stop

BWI7:25 pmBaltimore/Washington

$472

Icelandair

Dec 2

BWI7:40 pmBaltimore/Washington

18h 55m

1 stop

OSL8:35 pmOslo Gardermoen

Dec 6

OSL9:30 pmOslo Gardermoen

27h 10m

1 stop

BWI6:40 pmBaltimore/Washington

$484

Icelandair

Nov 4

BWI7:40 pmBaltimore/Washington

9h 55m

1 stop

OSL11:35 amOslo Gardermoen

Nov 8

OSL1:10 pmOslo Gardermoen

11h 30m

1 stop

BWI6:40 pmBaltimore/Washington

$485

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

Cheapest round-trip

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Sun 8/16

8:30 pm-3:25 pm

1 stop12h 55m

Oslo Gardermoen

Tue 9/1

4:30 pm-7:25 pm

1 stop32h 55m

$472

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Wed 12/2

7:40 pm-8:35 pm

1 stop18h 55m

Oslo Gardermoen

Sun 12/6

9:30 pm-6:40 pm

1 stop27h 10m

$484

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 11/15

10:30 pm-5:55 pm

1 stop13h 25m

Oslo Gardermoen

Mon 11/30

6:45 pm-2:45 pm

1 stop26h 00m

$586

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 9/22

12:25 pm-6:45 am

1 stop12h 20m

Oslo Gardermoen

Tue 10/6

9:00 pm-5:00 pm

1 stop26h 00m

$589

Quickest round-trip

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 9/15

12:25 pm-6:45 am

1 stop12h 20m

Oslo Gardermoen

Mon 9/21

11:00 am-5:00 pm

1 stop12h 00m

$589

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 11/2

8:30 pm-7:30 pm

2 stops17h 00m

Oslo Gardermoen

Sun 11/8

2:00 pm-5:15 pm

2 stops33h 15m

$589

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 9/21

8:20 pm-8:35 am

3 stops30h 15m

Oslo Gardermoen

Wed 10/7

7:40 am-5:00 pm

2 stops15h 20m

$594

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 8/25

5:05 pm-5:50 pm

1 stop18h 45m

Oslo Gardermoen

Tue 9/1

6:50 pm-3:10 pm

1 stop26h 20m

$615

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-10:05 pm

1 stop17h 45m

Oslo Gardermoen

Sat 8/22

6:15 am-3:15 pm

1 stop15h 00m

$734

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 8/15

10:20 pm-5:55 pm

1 stop13h 35m

Oslo Gardermoen

Sat 8/22

6:15 am-3:15 pm

1 stop15h 00m

$734

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?

Prices are currently low for flights on this route.

Typical prices usually range from $553 to $802.
The lowest price recently found on this route was $472.

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 April. Flight prices, which tend to average around $466, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, 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 April, still average around $483.

How far in advance should I book a flight from Washington, D.C. 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 $625 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 $478 on momondo.

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

You could potentially save up to 48% 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 August 2026, prices for Washington, D.C. to Oslo Gardermoen Airport flights are approximately 10% 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

Frequently asked questions about flying from Washington, D.C. to Oslo Gardermoen Airport

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 August 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 44% of the total bookings. Other popular airlines include Scandinavian Airlines with 29%, United Airlines with 13%, and Lufthansa with 8%.

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 $394	Free Cancellation	Rating 7.0 720 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $401	Free Cancellation	Rating 7.2 2,354 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $440	Free Cancellation	Rating 7.4 1,912 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $514	Free Cancellation	Rating 7.8 1,552 reviews	Search KLM flights
United Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 10,058 reviews	Search United Airlines flights
Lufthansa	PriceFrom $529	Free Cancellation	Rating 6.8 8,174 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.

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Flights to Oslo Sandefjord Airportfrom $405

Cheap flights from Washington, D.C. to Oslo from $225

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 8/17. 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

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

Our best Icelandair 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 from Washington, D.C. 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

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Oslo?

Why use momondo?

An easier way to manage your Oslo Gardermoen Airport trip

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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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