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

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $219. Delta flights start at $393 while deals on TAP AIR PORTUGAL start at $395 one-way.

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

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

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

The most popular route from Washington, D.C. to Oslo Gardermoen Airport is Washington, D.C. Dulles Intl - Oslo Gardermoen. You may also consider Washington, D.C. Reagan-National - Oslo Gardermoen or Baltimore/Washington - Oslo Gardermoen.

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

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

Where are the most common layover locations when flying from Washington, D.C. to Oslo Gardermoen Airport?

Washington, D.C. to Oslo Gardermoen Airport flights have a layover in Reykjavik most of the time.

Where are the least popular layover locations for Washington, D.C. to Oslo Gardermoen Airport flights?

Washington, D.C. to Oslo Gardermoen Airport flights that have layovers will least frequently stop in Copenhagen.

What are some popular things to do or see while on a layover in Reykjavik?

Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Harpa and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl if you are interested in checking them out. Travelers can book a car rental at Reykjavik Keflavik Intl for about $66 per day to make their sightseeing more efficient.

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

Friday flights are found to be more expensive to fly from Washington, D.C. to Oslo Gardermoen Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Oslo Gardermoen Airport.

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

The best pricing can be found in the month of February. Prices to Oslo Gardermoen Airport from Washington, D.C. average $593. You can even find prices in February for less than $593, as users have found deals to Oslo Gardermoen Airport from as low as $194. The month of December appears to be one of the more expensive times to travel to Oslo Gardermoen Airport from Washington, D.C.. Flying in the targeted month can save you up to 30%.

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

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

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

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

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

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

$219+ Flights from Washington, D.C. to Oslo Gardermoen Airport

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Cheapflights Tip: The best prices from Washington, D.C. to Oslo Gardermoen are usually found in February or April, booked 86 days in advance, depart on a Thursday or Wednesday and return on a Friday

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

Round-trip from	$459 (oojo)
One-way from	$219 (Mytrip)
Popular in	December
Cheapest in	February
Average price	$742

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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

Cheapest flights from Washington, D.C. to Oslo Gardermoen
Explore the most affordable flight options available from Washington, D.C. to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Thu 11/67:30 pmBWI - OSL

1 stop10h 05mIcelandair

Tue 11/111:05 pmOSL - BWI

1 stop11h 25mIcelandair

Deal found 6/11

$459

Tue 8/1912:13 pmIAD - OSL

2 stops18h 42mScandinavian Airlines

Tue 8/261:35 pmOSL - IAD

1 stop12h 24mScandinavian Airlines

Deal found 6/11

$481

Thu 8/2811:15 pmIAD - OSL

1 stop10h 10mIcelandair

Fri 9/124:30 pmOSL - IAD

1 stop11h 40mIcelandair

Deal found 6/11

$482

Mon 12/16:15 pmIAD - OSL

1 stop22h 25mMultiple Airlines

Thu 12/1112:25 pmOSL - IAD

2 stops33h 10mMultiple Airlines

Deal found 6/12

$484

Mon 12/16:15 pmIAD - OSL

2 stops31h 45mFinnair

Thu 12/1112:25 pmOSL - IAD

2 stops33h 10mFinnair

Deal found 6/12

$491

Wed 12/109:55 pmIAD - OSL

1 stop18h 45mBritish Airways

Sun 12/217:15 amOSL - IAD

1 stop14h 20mBritish Airways

Deal found 6/12

$502

Tue 11/256:00 pmIAD - OSL

1 stop14h 20mIberia

Mon 12/13:00 pmOSL - IAD

1 stop31h 30mIberia

Deal found 6/12

$515

Fri 11/285:58 pmDCA - OSL

2 stops16h 27mAmerican Airlines

Mon 12/812:25 pmOSL - DCA

2 stops16h 13mAmerican Airlines

Deal found 6/10

$518

Thu 11/68:30 pmBWI - OSL

1 stop21h 05mAmerican Airlines

Tue 11/117:15 amOSL - BWI

1 stop17h 30mAmerican Airlines

Deal found 6/10

$525

Tue 8/191:00 pmIAD - OSL

2 stops18h 05mAir Canada

Tue 8/266:35 amOSL - IAD

2 stops20h 26mAir Canada

Deal found 6/10

$526

Sat 11/2911:00 amDCA - OSL

2 stops19h 10mAir Canada

Sat 12/69:35 amOSL - DCA

2 stops16h 22mAir Canada

Deal found 6/10

$532

Tue 9/911:00 amDCA - OSL

2 stops19h 15mMultiple Airlines

Wed 9/246:45 amOSL - DCA

2 stops15h 06mMultiple Airlines

Deal found 6/11

$538

Best flights from Washington, D.C. to Oslo Gardermoen
Discover carefully curated flight deals from Washington, D.C. to Oslo Gardermoen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Thu 11/67:30 pmBWI - OSL

1 stop10h 05mIcelandair

Tue 11/111:05 pmOSL - BWI

1 stop11h 25mIcelandair

Deal found 6/11

$459

Tue 8/1912:13 pmIAD - OSL

2 stops18h 42mScandinavian Airlines

Tue 8/261:35 pmOSL - IAD

1 stop12h 24mScandinavian Airlines

Deal found 6/11

$481

Wed 8/2010:20 amIAD - OSL

2 stops18h 00mMultiple Airlines

Thu 8/282:45 pmOSL - IAD

1 stop11h 14mMultiple Airlines

Deal found 6/10

$510

Fri 11/285:58 pmDCA - OSL

2 stops16h 27mAmerican Airlines

Mon 12/812:25 pmOSL - DCA

2 stops16h 13mAmerican Airlines

Deal found 6/10

$518

Tue 8/191:00 pmIAD - OSL

2 stops18h 05mAir Canada

Tue 8/266:35 amOSL - IAD

2 stops20h 26mAir Canada

Deal found 6/10

$526

Thu 11/68:30 pmBWI - OSL

2 stops29h 30mFinnair

Tue 11/118:50 pmOSL - BWI

2 stops27h 55mFinnair

Deal found 6/10

$540

Thu 8/79:45 amIAD - OSL

2 stops23h 55mUnited Airlines

Tue 8/199:45 amOSL - IAD

2 stops36h 38mUnited Airlines

Deal found 6/10

$542

Wed 11/123:30 pmBWI - OSL

2 stops16h 20mDelta

Wed 11/196:20 amOSL - BWI

2 stops18h 54mDelta

Deal found 6/11

$543

Fri 11/288:30 pmBWI - OSL

1 stop15h 00mBritish Airways

Mon 12/82:30 pmOSL - BWI

1 stop34h 15mBritish Airways

Deal found 6/10

$546

Fri 8/2910:20 pmIAD - OSL

2 stops13h 40mLufthansa

Sat 9/66:35 amOSL - IAD

1 stop15h 15mLufthansa

Deal found 6/10

$619

Thu 9/181:00 pmBWI - OSL

2 stops13h 45mKLM

Sun 9/2111:50 amOSL - BWI

2 stops15h 53mKLM

Deal found 6/9

$667

Fri 7/49:20 pmIAD - OSL

1 stop13h 20mAir France

Fri 7/188:35 amOSL - IAD

1 stop16h 40mAir France

Deal found 6/9

$720

Last-minute flights from Washington, D.C. to Oslo Gardermoen
Discover last-minute flight deals from Washington, D.C. to Oslo Gardermoen. Data last updated June 12, 2025 and is based on user searches.

Tue 6/1712:35 pmIAD - OSL

2 stops21h 05mUnited Airlines

Thu 7/31:00 pmOSL - IAD

2 stops24h 27mUnited Airlines

Deal found 6/10

$839

Tue 6/176:30 pmDCA - OSL

2 stops15h 50mDelta

Thu 7/36:00 amOSL - DCA

2 stops16h 12mDelta

Deal found 6/11

$865

Tue 6/174:45 pmBWI - OSL

2 stops14h 55mDelta

Fri 7/412:45 pmOSL - BWI

2 stops16h 34mDelta

Deal found 6/11

$877

Tue 6/171:15 pmDCA - OSL

2 stops20h 25mUnited Airlines

Fri 7/46:45 amOSL - DCA

2 stops15h 43mUnited Airlines

Deal found 6/10

$975

Tue 6/175:35 pmIAD - OSL

2 stops18h 40mLufthansa

Mon 7/76:45 pmOSL - IAD

2 stops25h 30mLufthansa

Deal found 6/12

$1,121

Fri 6/2010:05 pmIAD - OSL

1 stop29h 10mScandinavian Airlines

Sun 6/297:40 pmOSL - IAD

1 stop30h 19mScandinavian Airlines

Deal found 6/11

$821

Sat 6/215:35 pmIAD - OSL

1 stop17h 40mMultiple Airlines

Tue 7/88:15 pmOSL - IAD

1 stop24h 20mMultiple Airlines

Deal found 6/11

$1,026

Sat 6/218:30 pmBWI - OSL

1 stop10h 05mIcelandair

Tue 7/84:30 pmOSL - BWI

1 stop32h 55mIcelandair

Deal found 6/11

$1,032

Sun 6/225:25 pmIAD - OSL

1 stop16h 55mDelta

Thu 7/36:05 amOSL - IAD

1 stop19h 10mDelta

Deal found 6/9

$862

Sun 6/225:25 pmIAD - OSL

1 stop21h 30mKLM

Tue 7/155:20 pmOSL - IAD

1 stop28h 15mKLM

Deal found 6/10

$875

Sun 6/226:06 amDCA - OSL

1 stop18h 44mScandinavian Airlines

Tue 7/158:55 pmOSL - DCA

2 stops31h 27mScandinavian Airlines

Deal found 6/10

$998

Sun 6/228:30 pmBWI - OSL

2 stops15h 00mMultiple Airlines

Tue 7/155:25 pmOSL - BWI

1 stop32h 00mMultiple Airlines

Deal found 6/10

$1,103

One-way flights from Washington, D.C. to Oslo Gardermoen
Search for one-way flight options from Washington, D.C. to Oslo Gardermoen. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Thu 7/1011:15 pmIAD - OSL

1 stop10h 10mIcelandair

Deal found 6/10

$219

Mon 8/188:30 pmBWI - OSL

1 stop10h 05mIcelandair

Deal found 6/10

$274

Mon 8/185:45 pmIAD - OSL

2 stops46h 05mMultiple Airlines

Deal found 6/10

$288

Mon 8/188:30 pmBWI - OSL

3 stops39h 10mMultiple Airlines

Deal found 6/10

$298

Tue 9/27:29 pmBWI - OSL

2 stops17h 21mDelta

Deal found 6/10

$393

Sat 8/210:35 pmIAD - OSL

1 stop31h 25mTAP AIR PORTUGAL

Deal found 6/12

$395

Wed 9/39:40 amDCA - OSL

2 stops21h 25mAir Canada

Deal found 6/9

$404

Tue 9/21:00 pmIAD - OSL

2 stops18h 05mAir Canada

Deal found 6/11

$404

Thu 8/73:40 pmDCA - OSL

2 stops14h 10mDelta

Deal found 6/10

$407

Thu 9/48:23 pmIAD - OSL

2 stops14h 17mDelta

Deal found 6/11

$408

Tue 11/258:30 pmBWI - OSL

1 stop11h 45mBritish Airways

Deal found 6/11

$416

Fri 8/156:50 pmDCA - OSL

3 stops31h 10mMultiple Airlines

Deal found 6/11

$422

Cheapflights 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

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Thu 11/6

7:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Tue 11/11

1:05 pm-6:30 pm

1 stop11h 25m

$459

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 8/19

12:13 pm-12:55 pm

2 stops18h 42m

Oslo Gardermoen

Tue 8/26

1:35 pm-7:59 pm

1 stop12h 24m

$481

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 8/28

11:15 pm-3:25 pm

1 stop10h 10m

Oslo Gardermoen

Fri 9/12

4:30 pm-10:10 pm

1 stop11h 40m

$482

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 8/20

10:20 am-10:20 am

2 stops18h 00m

Oslo Gardermoen

Thu 8/28

2:45 pm-7:59 pm

1 stop11h 14m

$510

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Fri 11/28

5:58 pm-4:25 pm

2 stops16h 27m

Oslo Gardermoen

Mon 12/8

12:25 pm-10:38 pm

2 stops16h 13m

$518

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Thu 11/6

8:30 pm-11:35 pm

1 stop21h 05m

Oslo Gardermoen

Tue 11/11

7:15 am-6:45 pm

1 stop17h 30m

$525

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 8/19

1:00 pm-1:05 pm

2 stops18h 05m

Oslo Gardermoen

Tue 8/26

6:35 am-9:01 pm

2 stops20h 26m

$526

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Sat 11/29

11:00 am-12:10 pm

2 stops19h 10m

Oslo Gardermoen

Sat 12/6

9:35 am-7:57 pm

2 stops16h 22m

$532

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Tue 9/9

11:00 am-12:15 pm

2 stops19h 15m

Oslo Gardermoen

Wed 9/24

6:45 am-3:51 pm

2 stops15h 06m

$538

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Thu 11/6

8:30 pm-8:00 am

2 stops29h 30m

Oslo Gardermoen

Tue 11/11

8:50 pm-6:45 pm

2 stops27h 55m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 53 results

...

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

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Washington, D.C. 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 Washington, D.C. to Oslo Gardermoen Airport

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

The best time to book flights from Washington, D.C. to Oslo Gardermoen Airport is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Oslo Gardermoen Airport (average of $567). Flying from Washington, D.C. to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,004). 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 WAS to OSL?

It’s typically best to fly out from Washington, D.C. to Oslo Gardermoen Airport in the morning. Doing so could potentially save you 38% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Oslo Gardermoen by month

In terms of precipitation, rainfall in Oslo Gardermoen Airport ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo Gardermoen Airport when rainfall is around 1.6 in.

Temperature in Oslo Gardermoen by month

If weather is an important factor for your trip to Oslo Gardermoen Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Oslo Gardermoen

To help decide which airline to fly from Washington, D.C. to Oslo, see what other customers have to say about Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated 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!

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!

Air France

7.5

Good

1,463 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!

SWISS

7.5

Good

1,623 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 Washington, D.C. to Oslo Gardermoen Airport round-trip?
Our cheapest airline available from Washington, D.C. to Oslo Gardermoen Airport is Icelandair. Our recent data shows that you can find tickets from as low as $459 on this airline. Additional options worth looking into are Scandinavian Airlines and American Airlines, starting at $481 and $518 round-trip. Icelandair is 22% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Washington, D.C. to Oslo Gardermoen Airport one-way?
To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $219. Delta flights start at $393 while deals on TAP AIR PORTUGAL start at $395 one-way.
What are the most popular routes from Washington, D.C. to Oslo Gardermoen Airport?
The most popular route from Washington, D.C. to Oslo Gardermoen Airport is Washington, D.C. Dulles Intl - Oslo Gardermoen. You may also consider Washington, D.C. Reagan-National - Oslo Gardermoen or Baltimore/Washington - Oslo Gardermoen.
Where are the most common layover locations when flying from Washington, D.C. to Oslo Gardermoen Airport?
Washington, D.C. to Oslo Gardermoen Airport flights have a layover in Reykjavik most of the time.
What are some popular things to do or see while on a layover in Reykjavik?
Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Harpa and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl if you are interested in checking them out. Travelers can book a car rental at Reykjavik Keflavik Intl for about $66 per day to make their sightseeing more efficient.
Where are the least popular layover locations for Washington, D.C. to Oslo Gardermoen Airport flights?
Washington, D.C. to Oslo Gardermoen Airport flights that have layovers will least frequently stop in Copenhagen.
Can I find deals for flights from Washington, D.C. to Oslo Gardermoen that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Oslo Gardermoen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Oslo Gardermoen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Oslo Gardermoen.
Can I find deals for business class flights from Washington, D.C. to Oslo Gardermoen?
Yes. Cheapflights offers flight deals from Washington, D.C. to Oslo Gardermoen 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 Washington, D.C. to Oslo Gardermoen Airport?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Oslo Gardermoen Airport (average of $567). Flying from Washington, D.C. to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,004). 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

Gardermoen

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

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Oslo Gardermoen Airport to Brussels Bruxelles-National Airport flights

Top 8 airlines flying from Washington, D.C. to Oslo Gardermoen

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$391	Average$610	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$400	Average$708	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$501	Average$589	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$512	Average$728	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$531	Average$739	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$535	Average$720	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$542	Average$720	FlexibilityNo cancel fee	On-time75%
Air France	Cheapest$566	Average$616	FlexibilityNo cancel fee	On-time77%

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$219+ Cheap flights from Washington, D.C. (WAS) to Oslo Gardermoen (OSL)

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

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

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Cheapflights Tip: The best prices from Washington, D.C. to Oslo Gardermoen are usually found in February or April, booked 86 days in advance, depart on a Thursday or Wednesday and return on a Friday

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

Cheapest flights from Washington, D.C. to Oslo GardermoenExplore the most affordable flight options available from Washington, D.C. to Oslo Gardermoen. 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 Washington, D.C. to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

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

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Oslo Gardermoen. Price data was last updated on June 9, 2025.

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

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

Find hourly flight availability from Washington, D.C. to Oslo Gardermoen. 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 Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average rainfall totals by month.

Temperature in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average temperature totals by month.

Reviews of airlines servicing Oslo Gardermoen

To help decide which airline to fly from Washington, D.C. to Oslo, see what other customers have to say about Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated 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 Washington, D.C. to Oslo Gardermoen. 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 Washington, D.C. to Oslo Gardermoen Airport round-trip?

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

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

Where are the most common layover locations when flying from Washington, D.C. to Oslo Gardermoen Airport?

What are some popular things to do or see while on a layover in Reykjavik?

Where are the least popular layover locations for Washington, D.C. to Oslo Gardermoen Airport flights?

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

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

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

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

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

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Cheapest flights from Washington, D.C. to Oslo Gardermoen
Explore the most affordable flight options available from Washington, D.C. to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.