What are the cheapest airlines flying from Oslo Gardermoen Airport to Washington, D.C. round-trip?

Our cheapest airline available from Oslo Gardermoen Airport to Washington, D.C. is Delta. Our recent data shows that you can find tickets from as low as $450 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at $451 and $472 round-trip. Users have found that Delta is 13% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Oslo Gardermoen Airport to Washington, D.C. one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $271. British Airways flights start at $453 while deals on Finnair start at $464 one-way.

What is the cheapest day to fly from Oslo Gardermoen Airport to Washington, D.C.?

Travelers seeking maximum savings on their Oslo Gardermoen Airport to Washington, D.C. flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Oslo Gardermoen Airport to Washington, D.C.?

While some choose either Oslo Gardermoen - Baltimore/Washington or Oslo Gardermoen - Washington, D.C. Reagan-National, Oslo Gardermoen - Washington, D.C. Dulles Intl is the most popular route from Oslo Gardermoen Airport to Washington, D.C..

What are the most popular airlines that fly from Oslo Gardermoen Airport to Washington, D.C.?

Consider British Airways, Icelandair or Lufthansa when booking your flight. These represent the most popular airlines when flying from Oslo Gardermoen Airport to Washington, D.C..

What is the cheapest day to fly round-trip from Oslo Gardermoen Airport to Washington, D.C.?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 30% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Oslo Gardermoen Airport to Washington, D.C.?

The best pricing can be found in the month of September. Prices to Washington, D.C. from Oslo Gardermoen Airport average $522. You can even find prices in September for less than $522, as users have found deals to Washington, D.C. from as low as $358. The month of July appears to be one of the more expensive times to travel to Washington, D.C. from Oslo Gardermoen Airport. Flying in the targeted month can save you up to 25%.

Most accurate provider : When it comes to deals on Oslo Gardermoen Airport-Washington, D.C. flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Oslo Gardermoen Airport-Washington, D.C. flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Oslo Gardermoen Airport-Washington, D.C. flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oslo Gardermoen Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Oslo Gardermoen to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Oslo Gardermoen to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Oslo Gardermoen to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo Gardermoen to Washington, D.C..

Can I find deals for business class flights from Oslo Gardermoen to Washington, D.C.?

Yes. Cheapflights offers flight deals from Oslo Gardermoen to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$271+ Flights from Oslo Gardermoen Airport to Washington, D.C.

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Oslo Gardermoen to Washington, D.C. are usually found in September or February, booked 42 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap flight deals from Oslo Gardermoen to Washington, D.C.

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$450 (Delta)
One-way from	$271 (oojo)
Popular in	July
Cheapest in	September
Average price	$555

Provider with most accurate pricing for Oslo Gardermoen-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Oslo Gardermoen-Washington, D.C. (WAS) flights.

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From Oslo Gardermoen to Washington, D.C. (WAS)

Search Deals

One-way flight from Oslo Gardermoen to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($69 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Oslo Gardermoen to Washington, D.C.

Cheapest flights from Oslo Gardermoen to Washington, D.C.
Explore the most affordable flight options available from Oslo Gardermoen to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Thu 4/2412:50 pmOSL - IAD

1 stop32h 30mTAP AIR PORTUGAL

Thu 5/85:50 pmIAD - OSL

1 stop18h 00mTAP AIR PORTUGAL

Deal found 4/16

$448

Sat 5/319:20 amOSL - IAD

1 stop12h 15mDelta

Sat 6/78:33 pmIAD - OSL

2 stops14h 07mDelta

Deal found 4/16

$450

Tue 5/207:45 amOSL - IAD

1 stop15h 45mBritish Airways

Wed 7/210:40 pmIAD - OSL

1 stop18h 50mBritish Airways

Deal found 4/16

$451

Tue 5/206:35 amOSL - IAD

2 stops36h 39mUnited Airlines

Wed 7/23:39 pmIAD - OSL

2 stops19h 36mUnited Airlines

Deal found 4/16

$472

Fri 5/94:20 pmOSL - BWI

1 stop33h 05mIcelandair

Sun 5/258:30 pmBWI - OSL

1 stop12h 55mIcelandair

Deal found 4/16

$477

Thu 4/247:45 amOSL - IAD

1 stop18h 25mAmerican Airlines

Thu 5/810:40 pmIAD - OSL

1 stop19h 15mAmerican Airlines

Deal found 4/17

$494

Thu 4/2411:40 amOSL - BWI

1 stop13h 55mAmerican Airlines

Thu 5/85:27 pmBWI - OSL

2 stops24h 28mAmerican Airlines

Deal found 4/17

$494

Thu 4/247:45 amOSL - BWI

1 stop17h 50mBritish Airways

Thu 5/89:20 pmBWI - OSL

1 stop20h 35mBritish Airways

Deal found 4/17

$496

Fri 5/911:50 amOSL - BWI

2 stops18h 08mKLM

Sun 5/256:23 pmBWI - OSL

2 stops15h 22mKLM

Deal found 4/16

$497

Thu 4/247:45 amOSL - DCA

2 stops16h 14mAmerican Airlines

Thu 5/81:49 pmDCA - OSL

2 stops28h 06mAmerican Airlines

Deal found 4/17

$500

Thu 4/2411:40 amOSL - BWI

1 stop13h 55mMultiple Airlines

Thu 5/89:20 pmBWI - OSL

1 stop20h 35mMultiple Airlines

Deal found 4/17

$541

Wed 6/41:50 pmOSL - IAD

1 stop14h 20mIcelandair

Thu 6/1211:15 pmIAD - OSL

1 stop10h 10mIcelandair

Deal found 4/16

$542

Best flights from Oslo Gardermoen to Washington, D.C.
Discover carefully curated flight deals from Oslo Gardermoen to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Sat 5/319:20 amOSL - IAD

1 stop12h 15mDelta

Sat 6/78:33 pmIAD - OSL

2 stops14h 07mDelta

Deal found 4/16

$450

Tue 5/207:45 amOSL - IAD

1 stop15h 45mBritish Airways

Wed 7/210:40 pmIAD - OSL

1 stop18h 50mBritish Airways

Deal found 4/16

$451

Tue 5/206:35 amOSL - IAD

2 stops36h 39mUnited Airlines

Wed 7/23:39 pmIAD - OSL

2 stops19h 36mUnited Airlines

Deal found 4/16

$472

Fri 5/94:20 pmOSL - BWI

1 stop33h 05mIcelandair

Sun 5/258:30 pmBWI - OSL

1 stop12h 55mIcelandair

Deal found 4/16

$477

Fri 5/911:50 amOSL - BWI

2 stops18h 08mKLM

Sun 5/256:23 pmBWI - OSL

2 stops15h 22mKLM

Deal found 4/16

$497

Fri 5/27:50 amOSL - DCA

2 stops20h 39mAmerican Airlines

Sat 5/173:50 pmDCA - OSL

2 stops25h 45mAmerican Airlines

Deal found 4/17

$534

Sat 5/316:45 amOSL - BWI

3 stops20h 57mMultiple Airlines

Sat 6/711:19 amBWI - OSL

2 stops21h 26mMultiple Airlines

Deal found 4/16

$629

Tue 6/248:55 pmOSL - IAD

1 stop29h 04mScandinavian Airlines

Thu 7/1710:05 pmIAD - OSL

1 stop19h 05mScandinavian Airlines

Deal found 4/16

$644

Wed 6/47:15 amOSL - IAD

2 stops14h 35mLufthansa

Thu 6/1210:20 pmIAD - OSL

2 stops13h 40mLufthansa

Deal found 4/16

$653

Tue 6/246:05 pmOSL - IAD

2 stops26h 10mBrussels Airlines

Thu 7/175:35 pmIAD - OSL

1 stop17h 40mBrussels Airlines

Deal found 4/16

$897

Fri 5/911:45 amOSL - BWI

1 stop13h 50mBritish Airways

Sun 5/259:20 pmBWI - OSL

2 stops16h 25mBritish Airways

Deal found 4/16

$533

Wed 6/41:50 pmOSL - IAD

1 stop14h 20mIcelandair

Thu 6/1211:15 pmIAD - OSL

1 stop10h 10mIcelandair

Deal found 4/16

$542

Last-minute flights from Oslo Gardermoen to Washington, D.C.
Discover last-minute flight deals from Oslo Gardermoen to Washington, D.C.. Data last updated April 17, 2025 and is based on user searches.

Sat 4/191:50 pmOSL - IAD

1 stop11h 30mIcelandair

Mon 4/218:30 pmIAD - OSL

1 stop10h 05mIcelandair

Deal found 4/16

$575

Thu 4/2412:50 pmOSL - IAD

1 stop32h 30mTAP AIR PORTUGAL

Thu 5/85:50 pmIAD - OSL

1 stop18h 00mTAP AIR PORTUGAL

Deal found 4/16

$448

Thu 4/242:15 pmOSL - IAD

2 stops16h 13mDelta

Thu 5/89:20 pmIAD - OSL

1 stop13h 20mDelta

Deal found 4/16

$456

Thu 4/247:45 amOSL - IAD

1 stop18h 25mAmerican Airlines

Thu 5/810:40 pmIAD - OSL

1 stop19h 15mAmerican Airlines

Deal found 4/17

$494

Thu 4/2411:40 amOSL - BWI

1 stop13h 55mAmerican Airlines

Thu 5/85:27 pmBWI - OSL

2 stops24h 28mAmerican Airlines

Deal found 4/17

$494

Thu 4/247:45 amOSL - BWI

1 stop17h 50mBritish Airways

Thu 5/89:20 pmBWI - OSL

1 stop20h 35mBritish Airways

Deal found 4/17

$496

Thu 4/247:45 amOSL - DCA

2 stops16h 14mAmerican Airlines

Thu 5/81:49 pmDCA - OSL

2 stops28h 06mAmerican Airlines

Deal found 4/17

$500

Thu 4/2411:40 amOSL - BWI

1 stop13h 55mMultiple Airlines

Thu 5/89:20 pmBWI - OSL

1 stop20h 35mMultiple Airlines

Deal found 4/17

$541

Thu 4/245:40 amOSL - IAD

2 stops14h 35mSWISS

Thu 5/810:15 pmIAD - OSL

2 stops19h 40mSWISS

Deal found 4/16

$606

Thu 4/2411:05 amOSL - DCA

2 stops16h 59mScandinavian Airlines

Thu 5/86:05 amDCA - OSL

1 stop18h 45mScandinavian Airlines

Deal found 4/17

$992

Thu 4/246:30 amOSL - BWI

2 stops18h 20mDelta

Thu 5/81:00 pmBWI - OSL

2 stops16h 05mDelta

Deal found 4/16

$1,243

Thu 4/2412:50 pmOSL - DCA

2 stops25h 35mTAP AIR PORTUGAL

Thu 5/81:45 pmDCA - OSL

2 stops22h 05mTAP AIR PORTUGAL

Deal found 4/17

$1,706

One-way flights from Oslo Gardermoen to Washington, D.C.
Search for one-way flight options from Oslo Gardermoen to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Tue 5/66:50 pmOSL - IAD

1 stop26h 30mTAP AIR PORTUGAL

Deal found 4/17

$271

Thu 6/127:00 amOSL - BWI

1 stop16h 40mMultiple Airlines

Deal found 4/16

$295

Thu 6/128:05 pmOSL - IAD

2 stops23h 34mMultiple Airlines

Deal found 4/16

$374

Wed 9/107:40 amOSL - IAD

1 stop18h 30mBritish Airways

Deal found 4/17

$453

Wed 9/1011:35 amOSL - BWI

1 stop14h 00mBritish Airways

Deal found 4/17

$453

Thu 6/127:45 amOSL - DCA

2 stops21h 22mFinnair

Deal found 4/16

$464

Wed 7/305:45 pmOSL - DCA

3 stops48h 19mMultiple Airlines

Deal found 4/17

$477

Mon 7/148:00 amOSL - IAD

1 stop18h 10mFinnair

Deal found 4/17

$501

Mon 7/1411:35 amOSL - BWI

1 stop14h 00mIberia

Deal found 4/17

$501

Sun 8/171:35 pmOSL - IAD

1 stop12h 24mScandinavian Airlines

Deal found 4/17

$502

Sat 10/118:20 amOSL - DCA

2 stops19h 50mBritish Airways

Deal found 4/17

$511

Wed 7/165:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 4/16

$512

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 5/31

9:20 am-3:35 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Sat 6/7

8:33 pm-4:40 pm

2 stops14h 07m

$450

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Tue 5/20

7:45 am-5:30 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Wed 7/2

10:40 pm-11:30 pm

1 stop18h 50m

$451

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Tue 5/20

6:35 am-1:14 pm

2 stops36h 39m

Washington, D.C. Dulles Intl

Wed 7/2

3:39 pm-5:15 pm

2 stops19h 36m

$472

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Fri 5/9

4:20 pm-7:25 pm

1 stop33h 05m

Baltimore/Washington

Sun 5/25

8:30 pm-3:25 pm

1 stop12h 55m

$477

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Fri 5/9

11:50 am-11:58 pm

2 stops18h 08m

Baltimore/Washington

Sun 5/25

6:23 pm-3:45 pm

2 stops15h 22m

$497

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Fri 5/9

11:45 am-7:35 pm

1 stop13h 50m

Baltimore/Washington

Sun 5/25

9:20 pm-7:45 pm

2 stops16h 25m

$533

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Fri 5/2

7:50 am-10:29 pm

2 stops20h 39m

Washington, D.C. Reagan-National

Sat 5/17

3:50 pm-11:35 pm

2 stops25h 45m

$534

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 6/4

1:50 pm-10:10 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Thu 6/12

11:15 pm-3:25 pm

1 stop10h 10m

$542

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 6/4

7:40 am-8:38 am

2 stops30h 58m

Washington, D.C. Dulles Intl

Thu 6/12

10:40 pm-11:55 pm

1 stop19h 15m

$561

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sat 5/31

6:45 am-9:42 pm

3 stops20h 57m

Baltimore/Washington

Sat 6/7

11:19 am-2:45 pm

2 stops21h 26m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 44 results

...

Compare providers for flights from Oslo Gardermoen to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oslo Gardermoen to Washington, D.C. in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Oslo Gardermoen Airport-Washington, D.C. flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Oslo Gardermoen Airport-Washington, D.C. flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Oslo Gardermoen Airport-Washington, D.C. flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oslo Gardermoen Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Oslo Gardermoen to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Oslo Gardermoen with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oslo Gardermoen Airport to Washington, D.C.

How far ahead should I book a flight from Oslo Gardermoen Airport to Washington, D.C.?

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo Gardermoen Airport to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. (average of $309). Flying from Oslo Gardermoen Airport to Washington, D.C. in June is currently the most expensive (average of $383). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OSL to WAS?

It’s optimal to fly from Oslo Gardermoen Airport to Washington, D.C. in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Delta, KLM and LOT from Oslo to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,329 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT

7.6

Good

1,065 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,580 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Oslo Gardermoen Airport to Washington, D.C. round-trip?
Our cheapest airline available from Oslo Gardermoen Airport to Washington, D.C. is Delta. Our recent data shows that you can find tickets from as low as $450 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at $451 and $472 round-trip. Users have found that Delta is 13% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Oslo Gardermoen Airport to Washington, D.C. one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $271. British Airways flights start at $453 while deals on Finnair start at $464 one-way.
What are the most popular routes from Oslo Gardermoen Airport to Washington, D.C.?
While some choose either Oslo Gardermoen - Baltimore/Washington or Oslo Gardermoen - Washington, D.C. Reagan-National, Oslo Gardermoen - Washington, D.C. Dulles Intl is the most popular route from Oslo Gardermoen Airport to Washington, D.C..
Can I find deals for flights from Oslo Gardermoen to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Oslo Gardermoen to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Oslo Gardermoen to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo Gardermoen to Washington, D.C..
Can I find deals for business class flights from Oslo Gardermoen to Washington, D.C.?
Yes. Cheapflights offers flight deals from Oslo Gardermoen to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Oslo Gardermoen Airport to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. (average of $309). Flying from Oslo Gardermoen Airport to Washington, D.C. in June is currently the most expensive (average of $383). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Oslo Gardermoen to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$319	Average$535	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$354	Average$581	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$407	Average$585	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$449	Average$535	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$459	Average$600	FlexibilityNo cancel fee	On-time69%

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$271+ Cheap flights from Oslo Gardermoen (OSL) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oslo Gardermoen to Washington, D.C. with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Oslo Gardermoen to Washington, D.C. are usually found in September or February, booked 42 days in advance, depart on a Friday or Wednesday and return on a Thursday

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Find flight deals from Oslo Gardermoen to Washington, D.C.

Cheapest flights from Oslo Gardermoen to Washington, D.C.Explore the most affordable flight options available from Oslo Gardermoen to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from Oslo Gardermoen to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

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

Compare providers for flights from Oslo Gardermoen to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oslo Gardermoen to Washington, D.C. in April.

Best time to book a flight from Oslo Gardermoen to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Oslo Gardermoen with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Oslo Gardermoen Airport to Washington, D.C.

How far ahead should I book a flight from Oslo Gardermoen Airport to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Oslo Gardermoen to Washington, D.C.. Price data was last updated on April 11, 2025.

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Washington, D.C.?

What is the cheapest time of day to fly from OSL to WAS?

Find hourly flight availability from Oslo Gardermoen to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Delta, KLM and LOT from Oslo to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Oslo Gardermoen Airport to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Oslo Gardermoen Airport to Washington, D.C. one-way?

What are the most popular routes from Oslo Gardermoen Airport to Washington, D.C.?

Can I find deals for flights from Oslo Gardermoen to Washington, D.C. that include hotel bookings?

How can I find direct flights from Oslo Gardermoen to Washington, D.C.?

Can I find deals for business class flights from Oslo Gardermoen to Washington, D.C.?

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Washington, D.C.?

Traveling to a place near Oslo Gardermoen Airport?

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Alternative routes for Oslo Gardermoen to Washington, D.C.

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Top 5 airlines flying from Oslo Gardermoen to Washington, D.C.

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Cheapest flights from Oslo Gardermoen to Washington, D.C.
Explore the most affordable flight options available from Oslo Gardermoen to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.