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 Lufthansa. Our recent data shows that you can find tickets from as low as $427 on this airline. Additional options worth looking into are British Airways and American Airlines, starting at $435 and $436 round-trip. Users have found that Lufthansa is 17% 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 $275. Scandinavian Airlines flights start at $430 while deals on Icelandair start at $440 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 $519. You can even find prices in September for less than $519, 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 26%.

Most accurate provider : When it comes to deals on Oslo Gardermoen Airport-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oslo Gardermoen Airport-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

$275+ 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 October, 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	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$422 (Ticket)
One-way from	$275 (Gurufare)
Popular in	July
Cheapest in	September
Average price	$570

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

Search Deals

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

Search Deals

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. 12% potential increase in price ($75 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 March 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 March 28, 2025.

Fri 5/28:35 amOSL - IAD

2 stops17h 30mMultiple Airlines

Thu 5/1510:40 pmIAD - OSL

1 stop19h 15mMultiple Airlines

Deal found 3/26

$422

Fri 5/211:35 amOSL - IAD

1 stop13h 50mLufthansa

Thu 5/1510:20 pmIAD - OSL

1 stop17h 50mLufthansa

Deal found 3/26

$427

Fri 5/27:50 amOSL - IAD

1 stop15h 35mBritish Airways

Thu 5/1510:40 pmIAD - OSL

1 stop19h 15mBritish Airways

Deal found 3/26

$435

Thu 4/247:45 amOSL - IAD

1 stop14h 05mAmerican Airlines

Thu 5/110:40 pmIAD - OSL

1 stop11h 35mAmerican Airlines

Deal found 3/25

$436

Sat 5/109:20 amOSL - IAD

2 stops16h 19mDelta

Sat 5/176:30 pmIAD - OSL

1 stop11h 20mDelta

Deal found 3/27

$439

Sun 5/112:15 pmOSL - DCA

2 stops15h 29mDelta

Tue 5/2712:00 pmDCA - OSL

2 stops14h 45mDelta

Deal found 3/27

$445

Sun 10/2612:50 pmOSL - BWI

1 stop11h 35mIcelandair

Mon 11/37:30 pmBWI - OSL

1 stop10h 05mIcelandair

Deal found 3/27

$481

Sat 5/107:15 amOSL - IAD

2 stops18h 12mUnited Airlines

Sat 5/1710:20 pmIAD - OSL

1 stop17h 50mUnited Airlines

Deal found 3/26

$482

Sun 10/266:20 amOSL - BWI

2 stops32h 59mUnited Airlines

Mon 11/36:17 amBWI - OSL

2 stops29h 18mUnited Airlines

Deal found 3/27

$483

Sun 5/118:35 amOSL - IAD

2 stops17h 35mFinnair

Tue 5/2710:40 pmIAD - OSL

1 stop18h 45mFinnair

Deal found 3/27

$489

Sat 5/102:15 pmOSL - BWI

2 stops16h 33mDelta

Sat 5/176:23 pmBWI - OSL

2 stops15h 57mDelta

Deal found 3/27

$509

Sun 10/267:05 pmOSL - IAD

2 stops24h 50mSWISS

Mon 11/35:25 pmIAD - OSL

1 stop15h 45mSWISS

Deal found 3/27

$512

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 March 28, 2025.

Fri 5/28:35 amOSL - IAD

2 stops17h 30mMultiple Airlines

Thu 5/1510:40 pmIAD - OSL

1 stop19h 15mMultiple Airlines

Deal found 3/26

$422

Fri 5/211:35 amOSL - IAD

1 stop13h 50mLufthansa

Thu 5/1510:20 pmIAD - OSL

1 stop17h 50mLufthansa

Deal found 3/26

$427

Fri 5/27:50 amOSL - IAD

1 stop15h 35mBritish Airways

Thu 5/1510:40 pmIAD - OSL

1 stop19h 15mBritish Airways

Deal found 3/26

$435

Thu 4/247:45 amOSL - IAD

1 stop14h 05mAmerican Airlines

Thu 5/110:40 pmIAD - OSL

1 stop11h 35mAmerican Airlines

Deal found 3/25

$436

Sat 5/109:20 amOSL - IAD

2 stops16h 19mDelta

Sat 5/176:30 pmIAD - OSL

1 stop11h 20mDelta

Deal found 3/27

$439

Sat 5/107:15 amOSL - IAD

2 stops18h 12mUnited Airlines

Sat 5/1710:20 pmIAD - OSL

1 stop17h 50mUnited Airlines

Deal found 3/26

$482

Sun 5/118:35 amOSL - IAD

2 stops17h 35mFinnair

Tue 5/2710:40 pmIAD - OSL

1 stop18h 45mFinnair

Deal found 3/27

$489

Thu 4/106:30 amOSL - IAD

1 stop15h 05mKLM

Thu 4/175:25 pmIAD - OSL

1 stop16h 55mKLM

Deal found 3/27

$515

Sat 5/101:10 pmOSL - DCA

1 stop15h 50mScandinavian Airlines

Sat 5/176:05 amDCA - OSL

1 stop18h 45mScandinavian Airlines

Deal found 3/27

$551

Fri 5/24:20 pmOSL - BWI

1 stop33h 05mIcelandair

Thu 5/158:30 pmBWI - OSL

1 stop12h 55mIcelandair

Deal found 3/26

$566

Fri 4/116:05 amOSL - IAD

1 stop19h 10mAir France

Sat 4/196:30 pmIAD - OSL

1 stop11h 20mAir France

Deal found 3/26

$587

Fri 5/26:35 amOSL - DCA

2 stops15h 14mAir Canada

Thu 5/154:35 pmDCA - OSL

2 stops16h 10mAir Canada

Deal found 3/26

$587

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 March 28, 2025 and is based on user searches.

Fri 3/287:05 pmOSL - IAD

1 stop27h 20mSWISS

Sun 4/68:45 pmIAD - OSL

1 stop21h 10mSWISS

Deal found 3/26

$623

Tue 4/16:50 pmOSL - IAD

1 stop32h 00mTAP AIR PORTUGAL

Thu 4/35:50 pmIAD - OSL

1 stop18h 00mTAP AIR PORTUGAL

Deal found 3/27

$587

Tue 4/16:50 pmOSL - DCA

2 stops43h 32mTAP AIR PORTUGAL

Thu 4/311:39 amDCA - OSL

2 stops24h 11mTAP AIR PORTUGAL

Deal found 3/27

$1,133

Tue 4/11:10 pmOSL - DCA

1 stop15h 18mScandinavian Airlines

Thu 4/36:30 amDCA - OSL

1 stop18h 20mScandinavian Airlines

Deal found 3/27

$1,245

Tue 4/17:15 amOSL - IAD

2 stops36h 41mUnited Airlines

Thu 4/310:10 pmIAD - OSL

2 stops30h 40mUnited Airlines

Deal found 3/27

$1,940

Tue 4/17:45 pmOSL - IAD

3 stops30h 20mEthiopian Air

Thu 4/310:55 amIAD - OSL

2 stops39h 50mEthiopian Air

Deal found 3/27

$2,155

Tue 4/11:10 pmOSL - DCA

2 stops15h 55mMultiple Airlines

Thu 4/311:38 amDCA - OSL

1 stop13h 12mMultiple Airlines

Deal found 3/27

$5,421

Tue 4/17:40 amOSL - BWI

2 stops16h 00mMultiple Airlines

Thu 4/36:50 pmBWI - OSL

2 stops20h 50mMultiple Airlines

Deal found 3/27

$719

Tue 4/11:50 pmOSL - BWI

1 stop11h 35mIcelandair

Thu 4/38:30 pmBWI - OSL

1 stop10h 05mIcelandair

Deal found 3/27

$729

Thu 4/106:30 amOSL - IAD

1 stop15h 05mKLM

Thu 4/175:25 pmIAD - OSL

1 stop16h 55mKLM

Deal found 3/27

$515

Thu 4/107:45 amOSL - BWI

1 stop17h 50mBritish Airways

Thu 4/179:20 pmBWI - OSL

1 stop12h 55mBritish Airways

Deal found 3/27

$633

Fri 4/116:05 amOSL - IAD

1 stop19h 10mMultiple Airlines

Tue 4/155:25 pmIAD - OSL

1 stop14h 15mMultiple Airlines

Deal found 3/26

$486

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 March 28, 2025.

Tue 5/66:50 pmOSL - IAD

1 stop26h 30mTAP AIR PORTUGAL

Deal found 3/27

$275

Thu 6/57:00 amOSL - IAD

2 stops40h 54mMultiple Airlines

Deal found 3/26

$346

Mon 4/149:25 amOSL - BWI

2 stops30h 42mMultiple Airlines

Deal found 3/28

$354

Tue 6/177:10 amOSL - IAD

1 stop18h 49mScandinavian Airlines

Deal found 3/27

$430

Thu 4/241:50 pmOSL - IAD

1 stop11h 30mIcelandair

Deal found 3/25

$440

Sun 4/1310:30 pmOSL - BWI

1 stop26h 55mIcelandair

Deal found 3/28

$440

Tue 5/61:10 pmOSL - DCA

1 stop15h 35mScandinavian Airlines

Deal found 3/27

$494

Sun 8/249:50 amOSL - IAD

1 stop12h 00mLufthansa

Deal found 3/26

$502

Wed 9/107:40 amOSL - BWI

2 stops15h 59mBritish Airways

Deal found 3/27

$532

Fri 6/207:50 amOSL - IAD

1 stop18h 20mBritish Airways

Deal found 3/26

$540

Fri 5/307:10 amOSL - DCA

3 stops39h 49mMultiple Airlines

Deal found 3/26

$553

Sat 5/314:30 pmOSL - DCA

2 stops21h 30mIcelandair

Deal found 3/26

$560

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

Fri 5/2

8:35 am-8:05 pm

2 stops17h 30m

Washington, D.C. Dulles Intl

Thu 5/15

10:40 pm-11:55 pm

1 stop19h 15m

$422

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 5/2

11:35 am-7:25 pm

1 stop13h 50m

Washington, D.C. Dulles Intl

Thu 5/15

10:20 pm-10:10 pm

1 stop17h 50m

$427

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Fri 5/2

7:50 am-5:25 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 5/15

10:40 pm-11:55 pm

1 stop19h 15m

$435

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 4/24

7:45 am-3:50 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Thu 5/1

10:40 pm-4:15 pm

1 stop11h 35m

$436

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 5/10

9:20 am-7:39 pm

2 stops16h 19m

Washington, D.C. Dulles Intl

Sat 5/17

6:30 pm-11:50 am

1 stop11h 20m

$439

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 5/11

2:15 pm-11:44 pm

2 stops15h 29m

Washington, D.C. Reagan-National

Tue 5/27

12:00 pm-8:45 am

2 stops14h 45m

$445

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sat 5/10

7:15 am-7:27 pm

2 stops18h 12m

Washington, D.C. Dulles Intl

Sat 5/17

10:20 pm-10:10 pm

1 stop17h 50m

$482

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 5/11

8:35 am-8:10 pm

2 stops17h 35m

Washington, D.C. Dulles Intl

Tue 5/27

10:40 pm-11:25 pm

1 stop18h 45m

$489

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sat 5/10

2:15 pm-12:48 am

2 stops16h 33m

Baltimore/Washington

Sat 5/17

6:23 pm-4:20 pm

2 stops15h 57m

$509

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 4/10

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Thu 4/17

5:25 pm-4:20 pm

1 stop16h 55m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 53 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 March.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oslo Gardermoen Airport-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $385). 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

7,896 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

7,896 reviews

Delta

8.0

Very good

7,896 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

1,321 reviews

Delta

8.0

Very good

7,896 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

1,063 reviews

Delta

8.0

Very good

7,896 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

1,267 reviews

Delta

8.0

Very good

7,896 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

1,570 reviews

Delta

8.0

Very good

7,896 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 Lufthansa. Our recent data shows that you can find tickets from as low as $427 on this airline. Additional options worth looking into are British Airways and American Airlines, starting at $435 and $436 round-trip. Users have found that Lufthansa is 17% 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 $275. Scandinavian Airlines flights start at $430 while deals on Icelandair start at $440 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 $385). 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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Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$319	Average$528	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$354	Average$677	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$407	Average$575	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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$275+ 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 October, 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 March 28, 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 March 28, 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 March.

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 March 21, 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 March 28, 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 March 28, 2025.