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 Icelandair. Our recent data shows that you can find tickets from as low as $439 on this airline. Additional options worth looking into are Scandinavian Airlines and British Airways, starting at $444 and $452 round-trip. Users have found that Icelandair is 16% 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 Icelandair, which is currently one of the cheapest options available, starting at $464. Scandinavian Airlines flights start at $479 while deals on British Airways start at $500 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 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 $523. You can even find prices in September for less than $523, 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 23%.

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.

$394+ Flights from Oslo Gardermoen Airport to Washington, D.C.

Q: How far in advance should I book a flight from Oslo Gardermoen Airport to Washington, D.C.?

To save up to 67% on this flight, we recommend booking at least 43 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Oslo Gardermoen Airport to Washington, D.C. from $489 1-2 weeks out and tickets from $695 for flights departing within the next 72 hours.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

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.

Round-trip from	$439 (Travelis)
One-way from	$394 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$608

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 ($72 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 June 12, 2025.

Wed 10/291:05 pmOSL - BWI

1 stop11h 25mIcelandair

Mon 11/37:30 pmBWI - OSL

1 stop10h 05mIcelandair

Deal found 6/12

$439

Thu 10/27:10 amOSL - IAD

1 stop18h 49mScandinavian Airlines

Mon 10/1310:05 pmIAD - OSL

1 stop16h 10mScandinavian Airlines

Deal found 6/10

$444

Wed 10/296:50 amOSL - IAD

1 stop14h 45mBritish Airways

Mon 11/38:11 pmIAD - OSL

2 stops16h 24mBritish Airways

Deal found 6/10

$452

Wed 8/137:40 amOSL - IAD

1 stop18h 30mMultiple Airlines

Tue 9/2310:40 pmIAD - OSL

1 stop18h 45mMultiple Airlines

Deal found 6/12

$455

Thu 8/147:45 amOSL - BWI

1 stop17h 50mBritish Airways

Tue 10/79:20 pmBWI - OSL

1 stop20h 05mBritish Airways

Deal found 6/11

$457

Wed 10/296:50 amOSL - DCA

2 stops15h 22mBritish Airways

Mon 11/38:00 pmDCA - OSL

2 stops16h 35mBritish Airways

Deal found 6/11

$458

Wed 10/296:50 amOSL - IAD

2 stops17h 45mAmerican Airlines

Mon 11/38:11 pmIAD - OSL

2 stops20h 29mAmerican Airlines

Deal found 6/11

$460

Wed 8/137:40 amOSL - BWI

1 stop17h 55mMultiple Airlines

Tue 9/239:20 pmBWI - OSL

1 stop20h 05mMultiple Airlines

Deal found 6/12

$462

Wed 8/137:40 amOSL - BWI

2 stops16h 23mAmerican Airlines

Tue 9/239:20 pmBWI - OSL

1 stop20h 05mAmerican Airlines

Deal found 6/12

$471

Thu 10/26:30 amOSL - IAD

1 stop15h 05mDelta

Mon 10/135:10 pmIAD - OSL

2 stops14h 35mDelta

Deal found 6/12

$472

Wed 8/137:40 amOSL - DCA

2 stops16h 58mAmerican Airlines

Tue 9/231:36 pmDCA - OSL

2 stops14h 59mAmerican Airlines

Deal found 6/11

$476

Thu 10/211:50 amOSL - DCA

2 stops16h 03mDelta

Mon 10/135:00 pmDCA - OSL

2 stops14h 45mDelta

Deal found 6/11

$477

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 June 12, 2025.

Wed 10/291:05 pmOSL - BWI

1 stop11h 25mIcelandair

Mon 11/37:30 pmBWI - OSL

1 stop10h 05mIcelandair

Deal found 6/12

$439

Thu 10/27:10 amOSL - IAD

1 stop18h 49mScandinavian Airlines

Mon 10/1310:05 pmIAD - OSL

1 stop16h 10mScandinavian Airlines

Deal found 6/10

$444

Wed 10/296:50 amOSL - IAD

1 stop14h 45mBritish Airways

Mon 11/38:11 pmIAD - OSL

2 stops16h 24mBritish Airways

Deal found 6/10

$452

Wed 8/137:40 amOSL - IAD

1 stop18h 30mMultiple Airlines

Tue 9/2310:40 pmIAD - OSL

1 stop18h 45mMultiple Airlines

Deal found 6/12

$455

Wed 10/296:50 amOSL - IAD

2 stops17h 45mAmerican Airlines

Mon 11/38:11 pmIAD - OSL

2 stops20h 29mAmerican Airlines

Deal found 6/11

$460

Thu 10/26:30 amOSL - IAD

1 stop15h 05mDelta

Mon 10/135:10 pmIAD - OSL

2 stops14h 35mDelta

Deal found 6/12

$472

Wed 6/259:50 amOSL - IAD

1 stop16h 15mUnited Airlines

Fri 7/45:25 pmIAD - OSL

1 stop18h 35mUnited Airlines

Deal found 6/10

$486

Thu 7/245:40 amOSL - IAD

1 stop16h 35mSWISS

Wed 8/68:45 pmIAD - OSL

1 stop21h 10mSWISS

Deal found 6/11

$487

Tue 7/157:25 pmOSL - DCA

2 stops57h 46mFinnair

Sun 7/277:06 pmDCA - OSL

2 stops15h 29mFinnair

Deal found 6/10

$513

Thu 8/146:35 amOSL - IAD

1 stop14h 40mLufthansa

Tue 10/710:20 pmIAD - OSL

2 stops19h 30mLufthansa

Deal found 6/10

$538

Tue 7/156:05 pmOSL - IAD

2 stops26h 45mBrussels Airlines

Sat 7/265:35 pmIAD - OSL

1 stop23h 15mBrussels Airlines

Deal found 6/10

$591

Tue 6/247:45 pmOSL - IAD

1 stop25h 50mKLM

Wed 7/25:25 pmIAD - OSL

1 stop11h 40mKLM

Deal found 6/10

$732

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 June 12, 2025 and is based on user searches.

Tue 6/246:35 amOSL - DCA

2 stops35h 24mUnited Airlines

Fri 7/47:00 pmDCA - OSL

2 stops21h 10mUnited Airlines

Deal found 6/10

$492

Tue 6/246:45 amOSL - BWI

2 stops33h 28mUnited Airlines

Tue 7/110:59 amBWI - OSL

2 stops25h 01mUnited Airlines

Deal found 6/10

$630

Wed 6/259:50 amOSL - IAD

1 stop16h 15mUnited Airlines

Fri 7/45:25 pmIAD - OSL

1 stop18h 35mUnited Airlines

Deal found 6/10

$486

Thu 6/267:45 amOSL - IAD

1 stop18h 25mAmerican Airlines

Sat 7/127:25 pmIAD - OSL

2 stops15h 10mAmerican Airlines

Deal found 6/12

$678

Tue 7/157:25 pmOSL - IAD

2 stops27h 44mBritish Airways

Mon 7/2810:40 pmIAD - OSL

1 stop29h 55mBritish Airways

Deal found 6/10

$500

Tue 7/157:25 pmOSL - BWI

2 stops28h 41mBritish Airways

Mon 7/289:20 pmBWI - OSL

1 stop20h 10mBritish Airways

Deal found 6/10

$500

Tue 7/157:25 pmOSL - DCA

2 stops57h 46mFinnair

Sun 7/277:06 pmDCA - OSL

2 stops15h 29mFinnair

Deal found 6/10

$513

Tue 7/156:05 pmOSL - IAD

2 stops26h 45mBrussels Airlines

Sat 7/265:35 pmIAD - OSL

1 stop23h 15mBrussels Airlines

Deal found 6/10

$591

Thu 7/245:40 amOSL - IAD

1 stop16h 35mSWISS

Wed 8/68:45 pmIAD - OSL

1 stop21h 10mSWISS

Deal found 6/11

$487

Thu 7/245:40 amOSL - IAD

1 stop16h 35mMultiple Airlines

Fri 8/85:25 pmIAD - OSL

1 stop33h 35mMultiple Airlines

Deal found 6/11

$562

Thu 7/247:15 amOSL - IAD

2 stops18h 45mLufthansa

Wed 8/610:20 pmIAD - OSL

1 stop13h 45mLufthansa

Deal found 6/11

$578

Thu 7/241:10 pmOSL - DCA

1 stop16h 25mScandinavian Airlines

Wed 8/66:05 amDCA - OSL

1 stop18h 45mScandinavian Airlines

Deal found 6/11

$680

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 June 12, 2025.

Thu 9/410:00 pmOSL - BWI

2 stops39h 33mMultiple Airlines

Deal found 6/10

$394

Thu 9/41:50 pmOSL - IAD

1 stop14h 20mIcelandair

Deal found 6/10

$464

Wed 9/107:10 amOSL - IAD

1 stop18h 49mScandinavian Airlines

Deal found 6/12

$479

Thu 9/46:50 pmOSL - IAD

2 stops54h 31mMultiple Airlines

Deal found 6/10

$495

Tue 8/127:45 amOSL - BWI

2 stops16h 18mBritish Airways

Deal found 6/12

$500

Mon 8/119:50 amOSL - IAD

1 stop16h 15mLufthansa

Deal found 6/10

$506

Wed 9/101:50 pmOSL - BWI

1 stop11h 35mIcelandair

Deal found 6/11

$510

Sat 7/266:45 amOSL - IAD

1 stop12h 45mBrussels Airlines

Deal found 6/12

$527

Wed 9/105:40 amOSL - IAD

2 stops14h 40mSWISS

Deal found 6/11

$555

Thu 9/47:10 amOSL - DCA

2 stops43h 49mMultiple Airlines

Deal found 6/10

$560

Wed 9/176:30 amOSL - IAD

2 stops16h 06mDelta

Deal found 6/11

$618

Wed 9/109:20 amOSL - BWI

2 stops18h 29mDelta

Deal found 6/11

$618

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

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Wed 10/29

1:05 pm-7:30 pm

1 stop11h 25m

Baltimore/Washington

Mon 11/3

7:30 pm-11:35 am

1 stop10h 05m

$439

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 10/2

7:10 am-7:59 pm

1 stop18h 49m

Washington, D.C. Dulles Intl

Mon 10/13

10:05 pm-8:15 pm

1 stop16h 10m

$444

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 10/29

6:50 am-4:35 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Mon 11/3

8:11 pm-6:35 pm

2 stops16h 24m

$452

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 8/13

7:40 am-8:10 pm

1 stop18h 30m

Washington, D.C. Dulles Intl

Tue 9/23

10:40 pm-11:25 pm

1 stop18h 45m

$455

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Thu 8/14

7:45 am-7:35 pm

1 stop17h 50m

Baltimore/Washington

Tue 10/7

9:20 pm-11:25 pm

1 stop20h 05m

$457

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Wed 10/29

6:50 am-5:12 pm

2 stops15h 22m

Washington, D.C. Reagan-National

Mon 11/3

8:00 pm-6:35 pm

2 stops16h 35m

$458

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 10/29

6:50 am-7:35 pm

2 stops17h 45m

Washington, D.C. Dulles Intl

Mon 11/3

8:11 pm-10:40 pm

2 stops20h 29m

$460

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Wed 8/13

7:40 am-7:35 pm

1 stop17h 55m

Baltimore/Washington

Tue 9/23

9:20 pm-11:25 pm

1 stop20h 05m

$462

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Wed 8/13

7:40 am-6:03 pm

2 stops16h 23m

Baltimore/Washington

Tue 9/23

9:20 pm-11:25 pm

1 stop20h 05m

$471

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 10/2

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Mon 10/13

5:10 pm-1:45 pm

2 stops14h 35m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 54 results

...

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 $241). Flying from Oslo Gardermoen Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LOT

7.6

Good

1,077 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

802 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Icelandair. Our recent data shows that you can find tickets from as low as $439 on this airline. Additional options worth looking into are Scandinavian Airlines and British Airways, starting at $444 and $452 round-trip. Users have found that Icelandair is 16% 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 Icelandair, which is currently one of the cheapest options available, starting at $464. Scandinavian Airlines flights start at $479 while deals on British Airways start at $500 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 $241). Flying from Oslo Gardermoen Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Dundalk

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$557	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$354	Average$581	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$407	Average$525	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$448	Average$535	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$459	Average$651	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$394+ 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 9/4. 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

2. Select your favorite providers

3. Compare prices and book

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.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 June 12, 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 June 12, 2025.

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.

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 June 9, 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 June 12, 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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

See prices for flight routes from nearby airports that may be better suited for you.

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

100% Free

Book with Flexibility

Travel Smart

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 June 12, 2025.