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

Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Oslo is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $481 on this airline. Additional options worth looking into are Icelandair and Air Canada, starting at $482 and $526 round-trip. These flights start at 21% lower than the current average price 3 months from now.

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

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $219. TAP AIR PORTUGAL flights start at $395 while deals on Air Canada start at $404 one-way.

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

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

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

When booking a flight from Washington, D.C. Dulles Intl Airport to Oslo, you may want to consider flying on Air France, British Airways or Delta as they are the most popular for this route.

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

Washington, D.C. Dulles Intl Airport to Oslo flights have a layover in Reykjavik most often.

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

Washington, D.C. Dulles Intl Airport to Oslo flights have a layover in Copenhagen the least frequently.

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

The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. 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. Dulles Intl Airport to Oslo?

Flights from Washington, D.C. Dulles Intl Airport to Oslo are found to be more expensive on Thursday. 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.

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

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

Can I find deals for flights from Dulles Intl to Oslo that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Oslo?

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

Can I find deals for business class flights from Dulles Intl to Oslo?

Yes. Cheapflights offers flight deals from Dulles Intl to Oslo 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. Dulles Intl Airport to Oslo

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Oslo are usually found in April or November, booked 79 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to Oslo

Round-trip from	$481 (oojo)
One-way from	$219 (Mytrip)
Popular in	June
Cheapest in	April
Average price	$761

From Washington, D.C. Dulles Intl to Oslo

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One-way flight from Washington, D.C. Dulles Intl to Oslo

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Highest demand for flights based on searches. 16% potential increase in price ($116 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($14 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 Dulles Intl to Oslo

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

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

Tue 8/1910:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Tue 8/262:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 6/10

$495

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

Wed 11/129:45 amIAD - TRF

2 stops22h 20mMultiple Airlines

Wed 11/192:35 pmTRF - IAD

1 stop32h 40mMultiple Airlines

Deal found 6/11

$511

Tue 11/256:00 pmIAD - OSL

1 stop14h 20mIberia

Mon 12/13:00 pmOSL - IAD

1 stop31h 30mIberia

Deal found 6/12

$515

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 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 11/125:10 pmIAD - OSL

2 stops14h 40mDelta

Wed 11/196:20 amOSL - IAD

2 stops17h 36mDelta

Deal found 6/11

$543

Tue 9/210:40 pmIAD - OSL

1 stop18h 45mAmerican Airlines

Wed 9/107:40 amOSL - IAD

2 stops17h 11mAmerican Airlines

Deal found 6/12

$565

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

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

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

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 8/79:45 amIAD - OSL

2 stops23h 55mUnited Airlines

Tue 8/199:45 amOSL - IAD

2 stops36h 38mUnited Airlines

Deal found 6/10

$542

Mon 8/115:25 pmIAD - OSL

2 stops19h 25mDelta

Tue 8/1912:45 pmOSL - IAD

1 stop33h 35mDelta

Deal found 6/10

$545

Wed 8/610:40 pmIAD - OSL

1 stop30h 10mBritish Airways

Tue 8/197:25 pmOSL - IAD

1 stop30h 45mBritish Airways

Deal found 6/10

$555

Tue 9/210:40 pmIAD - OSL

1 stop18h 45mAmerican Airlines

Wed 9/107:40 amOSL - IAD

2 stops17h 11mAmerican Airlines

Deal found 6/12

$565

Fri 8/2910:20 pmIAD - OSL

2 stops13h 40mLufthansa

Sat 9/66:35 amOSL - IAD

1 stop15h 15mLufthansa

Deal found 6/10

$619

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

Tue 7/88:45 pmIAD - OSL

2 stops40h 40mSWISS

Tue 7/155:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 6/10

$729

Tue 8/1910:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Tue 8/262:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 6/10

$495

Last-minute flights from Dulles Intl to Oslo
Discover last-minute flight deals from Dulles Intl to Oslo. 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 6/175:35 pmIAD - OSL

2 stops18h 40mLufthansa

Mon 7/76:45 pmOSL - IAD

2 stops25h 30mLufthansa

Deal found 6/12

$1,121

Tue 6/179:20 pmIAD - OSL

1 stop13h 20mAir France

Sat 7/56:05 amOSL - IAD

1 stop19h 10mAir France

Deal found 6/11

$1,371

Tue 6/175:25 pmIAD - OSL

2 stops24h 30mSWISS

Sun 7/61:55 pmOSL - IAD

1 stop32h 20mSWISS

Deal found 6/11

$1,394

Wed 6/189:40 pmIAD - OSL

1 stop33h 55mTurkish Airlines

Wed 7/96:40 pmOSL - IAD

1 stop23h 05mTurkish Airlines

Deal found 6/11

$1,327

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 6/215:35 pmIAD - OSL

1 stop23h 15mBrussels Airlines

Sun 6/296:05 pmOSL - IAD

1 stop25h 25mBrussels Airlines

Deal found 6/10

$1,140

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 6/2210:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Tue 7/151:05 pmTRF - IAD

1 stop12h 54mScandinavian Airlines

Deal found 6/10

$1,092

Sun 6/2211:15 pmIAD - TRF

2 stops12h 45mMultiple Airlines

Thu 7/312:15 pmTRF - IAD

2 stops13h 05mMultiple Airlines

Deal found 6/9

$2,770

One-way flights from Dulles Intl to Oslo
Search for one-way flight options from Dulles Intl to Oslo. 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 8/185:45 pmIAD - OSL

2 stops46h 05mMultiple Airlines

Deal found 6/10

$288

Mon 8/1810:20 pmIAD - TRF

2 stops29h 55mMultiple Airlines

Deal found 6/10

$293

Sat 8/210:35 pmIAD - OSL

1 stop31h 25mTAP AIR PORTUGAL

Deal found 6/12

$395

Tue 9/21:00 pmIAD - OSL

2 stops18h 05mAir Canada

Deal found 6/11

$404

Thu 9/48:23 pmIAD - OSL

2 stops14h 17mDelta

Deal found 6/11

$408

Thu 8/75:35 pmIAD - OSL

2 stops16h 05mUnited Airlines

Deal found 6/11

$442

Fri 7/186:30 pmIAD - OSL

1 stop11h 20mAir France

Deal found 6/11

$458

Thu 8/710:20 pmIAD - OSL

2 stops28h 40mLufthansa

Deal found 6/10

$460

Mon 8/1810:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Deal found 6/10

$488

Tue 9/23:25 pmIAD - TRF

2 stops17h 40mLufthansa

Deal found 6/12

$580

Sat 6/219:40 pmIAD - OSL

1 stop30h 40mTurkish Airlines

Deal found 6/11

$715

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

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 - TRF

IADTRF

Washington, D.C. Dulles Intl

Tue 8/19

10:05 pm-2:20 pm

1 stop10h 15m

Oslo Sandefjord

Tue 8/26

2:55 pm-7:59 pm

1 stop11h 04m

$495

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

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Wed 11/12

9:45 am-2:05 pm

2 stops22h 20m

Oslo Sandefjord

Wed 11/19

2:35 pm-5:15 pm

1 stop32h 40m

$511

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

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 8/7

9:45 am-3:40 pm

2 stops23h 55m

Oslo Gardermoen

Tue 8/19

9:45 am-4:23 pm

2 stops36h 38m

$542

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/11

5:25 pm-6:50 pm

2 stops19h 25m

Oslo Gardermoen

Tue 8/19

12:45 pm-4:20 pm

1 stop33h 35m

$545

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 8/6

10:40 pm-10:50 am

1 stop30h 10m

Oslo Gardermoen

Tue 8/19

7:25 pm-8:10 pm

1 stop30h 45m

$555

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 9/2

10:40 pm-11:25 pm

1 stop18h 45m

Oslo Gardermoen

Wed 9/10

7:40 am-6:51 pm

2 stops17h 11m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 25 results

Best time to book a flight from Dulles Intl to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Dulles Intl 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. Dulles Intl Airport to Oslo

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

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Oslo. 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 Washington, D.C. Dulles Intl Airport to Oslo?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo 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 IAD to OSL?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Oslo in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

Rainfall in Oslo by month

In terms of precipitation, rainfall in Oslo 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 when rainfall is around 1.6 in.

Temperature in Oslo by month

If weather is an important factor for your trip to Oslo, 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

Read through reviews of airlines operating flights from Washington, D.C. to Oslo, such as Delta, Air France and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 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

7,946 reviews

Delta

8.0

Very good

7,946 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

7,946 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

7,946 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!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 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!

Turkish Airlines

7.3

Good

3,848 reviews

Delta

8.0

Very good

7,946 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. Dulles Intl Airport to Oslo round-trip?
Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Oslo is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $481 on this airline. Additional options worth looking into are Icelandair and Air Canada, starting at $482 and $526 round-trip. These flights start at 21% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Oslo one-way?
To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $219. TAP AIR PORTUGAL flights start at $395 while deals on Air Canada start at $404 one-way.
Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Oslo?
Washington, D.C. Dulles Intl Airport to Oslo flights have a layover in Reykjavik most often.
What are some popular things to do or see while on a layover in Reykjavik?
The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. 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. Dulles Intl Airport to Oslo flights?
Washington, D.C. Dulles Intl Airport to Oslo flights have a layover in Copenhagen the least frequently.
Can I find deals for flights from Dulles Intl to Oslo that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Oslo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Oslo.
Can I find deals for business class flights from Dulles Intl to Oslo?
Yes. Cheapflights offers flight deals from Dulles Intl to Oslo 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. Dulles Intl Airport to Oslo?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Oslo

Top 8 airlines flying from Dulles Intl to Oslo

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$391	Average$598	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$400	Average$640	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$501	Average$589	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$512	Average$677	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 Dulles Intl (IAD) to Oslo

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 Dulles Intl to Oslo 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 Washington, D.C. Dulles Intl to Oslo are usually found in April or November, booked 79 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to Oslo

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Oslo

Cheapest flights from Dulles Intl to OsloExplore the most affordable flight options available from Dulles Intl to Oslo. 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 Dulles Intl to Oslo. 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 Washington, D.C. Dulles Intl Airport to Oslo that are best for you.

Best time to book a flight from Dulles Intl to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Dulles Intl with our price prediction graph.

Cheapflights Insights

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

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

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

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

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

Find hourly flight availability from Dulles Intl to Oslo. 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 by month

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

Temperature in Oslo by month

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

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated June 12, 2025.

Read through reviews of airlines operating flights from Washington, D.C. to Oslo, such as Delta, Air France and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Oslo. 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. Dulles Intl Airport to Oslo round-trip?

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

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

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. Dulles Intl Airport to Oslo flights?

Can I find deals for flights from Dulles Intl to Oslo that include hotel bookings?

How can I find direct flights from Dulles Intl to Oslo?

Can I find deals for business class flights from Dulles Intl to Oslo?

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

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Alternative routes for Dulles Intl to Oslo

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Top 8 airlines flying from Dulles Intl to Oslo

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