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

Icelandair, TAP AIR PORTUGAL, and Delta are the most popular carriers operating from Washington, D.C. to Oslo Gardermoen

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 50% 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 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.

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

Reykjavik (KEF) was the most common stop: 35% of momondo users choosing 1-stop flights on this route connected there.

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 47m 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.

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 July 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.

$220 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 $638 to $843. The lowest price recently found on this route was $394.

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.

7:40 pm - 11:35 am

BWI

OSL

9h 55m

1 stop

1:10 pm - 6:40 pm

OSL

BWI

11h 30m

1 stop

$394Icelandair

Wed, Nov 18 - Sun, Nov 22

11:20 pm - 3:25 pm

BWI

OSL

10h 05m

1 stop

1:50 pm - 10:15 pm

OSL

BWI

14h 25m

1 stop

$402Icelandair

Tue, Oct 13 - Tue, Oct 20

7:40 pm - 11:35 am

BWI

OSL

9h 55m

1 stop

1:10 pm - 6:40 pm

OSL

BWI

11h 30m

1 stop

$483Icelandair

Tue, Dec 1 - Fri, Dec 11

7:40 pm - 11:35 am

BWI

OSL

9h 55m

1 stop

1:10 pm - 6:40 pm

OSL

BWI

11h 30m

1 stop

$485Icelandair

Wed, Nov 18 - Sun, Nov 22

7:40 pm - 11:35 am

BWI

OSL

9h 55m

1 stop

1:10 pm - 6:40 pm

OSL

BWI

11h 30m

1 stop

$486Icelandair

Sun, Nov 15 - Sun, Nov 22

7:40 pm - 11:35 am

BWI

OSL

9h 55m

1 stop

1:10 pm - 6:40 pm

OSL

BWI

11h 30m

1 stop

$487Icelandair

Thu, Nov 5 - Wed, Nov 11

11:00 am - 6:45 am

DCA

OSL

13h 45m

1 stop

1:20 pm - 10:59 pm

OSL

DCA

15h 39m

1 stop

$633Scandinavian Airlines

Tue, Aug 18 - Thu, Aug 27

9:30 pm - 1:10 pm

IAD

OSL

10h 40m

1 stop

11:55 am - 7:50 pm

OSL

IAD

12h 55m

1 stop

$635Scandinavian Airlines

Wed, Oct 28 - Sat, Oct 31

7:59 pm - 6:45 am

IAD

OSL

28h 46m

1 stop

6:00 am - 5:00 pm

OSL

IAD

17h 00m

1 stop

$636Scandinavian Airlines

Sat, Aug 22 - Sun, Aug 30

5:05 pm - 5:50 pm

IAD

OSL

18h 45m

1 stop

12:50 pm - 3:10 pm

OSL

IAD

32h 20m

1 stop

$640TAP AIR PORTUGAL

Sat, Aug 15 - Sun, Aug 23

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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

Aug 18

DCA11:00 amWashington, D.C. Reagan-National

13h 45m

1 stop

OSL6:45 amOslo Gardermoen

Aug 27

OSL1:20 pmOslo Gardermoen

15h 39m

1 stop

DCA10:59 pmWashington, D.C. Reagan-National

$633

Scandinavian Airlines

Oct 28

IAD9:30 pmWashington, D.C. Dulles Intl

10h 40m

1 stop

OSL1:10 pmOslo Gardermoen

Oct 31

OSL11:55 amOslo Gardermoen

12h 55m

1 stop

IAD7:50 pmWashington, D.C. Dulles Intl

$635

Scandinavian Airlines

Aug 22

IAD7:59 pmWashington, D.C. Dulles Intl

28h 46m

1 stop

OSL6:45 amOslo Gardermoen

Aug 30

OSL6:00 amOslo Gardermoen

17h 00m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$636

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 15

IAD5:05 pmWashington, D.C. Dulles Intl

18h 45m

1 stop

OSL5:50 pmOslo Gardermoen

Aug 23

OSL12:50 pmOslo Gardermoen

32h 20m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$640

TAP AIR PORTUGAL

Nov 15

IAD10:30 pmWashington, D.C. Dulles Intl

13h 25m

1 stop

OSL5:55 pmOslo Gardermoen

Nov 20

OSL1:00 pmOslo Gardermoen

32h 15m

1 stop

IAD3:15 pmWashington, D.C. Dulles Intl

$696

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

Quickest round-trip

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Wed 11/18

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Sun 11/22

1:10 pm-6:40 pm

1 stop11h 30m

$394

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Tue 10/13

11:20 pm-3:25 pm

1 stop10h 05m

Oslo Gardermoen

Tue 10/20

1:50 pm-10:15 pm

1 stop14h 25m

$402

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Tue 12/1

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Fri 12/11

1:10 pm-6:40 pm

1 stop11h 30m

$483

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Wed 11/18

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Sun 11/22

1:10 pm-6:40 pm

1 stop11h 30m

$485

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Sun 11/15

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Sun 11/22

1:10 pm-6:40 pm

1 stop11h 30m

$486

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Thu 11/5

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Wed 11/11

1:10 pm-6:40 pm

1 stop11h 30m

$487

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 8/18

11:00 am-6:45 am

1 stop13h 45m

Oslo Gardermoen

Thu 8/27

1:20 pm-10:59 pm

1 stop15h 39m

$633

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 10/28

9:30 pm-1:10 pm

1 stop10h 40m

Oslo Gardermoen

Sat 10/31

11:55 am-7:50 pm

1 stop12h 55m

$635

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 8/22

7:59 pm-6:45 am

1 stop28h 46m

Oslo Gardermoen

Sun 8/30

6:00 am-5:00 pm

1 stop17h 00m

$636

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 8/15

5:05 pm-5:50 pm

1 stop18h 45m

Oslo Gardermoen

Sun 8/23

12:50 pm-3:10 pm

1 stop32h 20m

$640

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 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 $482.

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 July 2026, prices for Washington, D.C. to Oslo Gardermoen Airport flights are approximately 36% 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 July 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 43% of the total bookings. Other popular airlines include Scandinavian Airlines with 27%, 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 7.0 715 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $401	Free Cancellation	Rating 7.2 2,340 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $430	Free Cancellation	Rating 7.4 1,891 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $514	Free Cancellation	Rating 7.8 1,543 reviews	Search KLM flights
United Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 10,013 reviews	Search United Airlines flights
Lufthansa	PriceFrom $529	Free Cancellation	Rating 6.8 8,152 reviews	Search Lufthansa flights

Gardermoen

Fredrikstad

Lillehammer

Drammen

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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.

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Flights to Oslo Sandefjord Airportfrom $465

Cheap flights from Washington, D.C. to Oslo from $222

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 8/23. 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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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

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

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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?

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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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