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 $552 on this airline. Additional options worth looking into are SWISS and British Airways, starting at $574 and $581 round-trip. These flights start at 11% 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 $303. United Airlines flights start at $431 while deals on TAP AIR PORTUGAL start at $444 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 $47 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 $611. You can even find prices in February for less than $611, as users have found deals to Oslo from as low as $194. The month of June 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 43%.

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.

$291+ 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 32 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	$552 (CrystalTravel)
One-way from	$303 (oojo)
Popular in	June
Cheapest in	April
Average price	$517

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. 18% potential increase in price ($144 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 29, 2025.

Tue 8/1210:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Tue 8/192:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 4/28

$500

Thu 8/2111:15 pmIAD - OSL

1 stop10h 10mIcelandair

Mon 9/14:30 pmOSL - IAD

1 stop11h 40mIcelandair

Deal found 4/28

$501

Wed 10/110:25 amIAD - OSL

2 stops17h 55mMultiple Airlines

Wed 10/1511:05 amOSL - IAD

1 stop14h 54mMultiple Airlines

Deal found 4/28

$506

Wed 8/2010:05 pmIAD - TRF

1 stop10h 15mMultiple Airlines

Thu 8/289:45 amTRF - IAD

2 stops16h 14mMultiple Airlines

Deal found 4/29

$514

Thu 8/2110:05 pmIAD - OSL

1 stop10h 05mScandinavian Airlines

Sun 8/311:35 pmOSL - IAD

1 stop12h 24mScandinavian Airlines

Deal found 4/28

$522

Sat 11/299:55 amIAD - OSL

2 stops20h 15mAir Canada

Sat 12/66:20 amOSL - IAD

2 stops20h 45mAir Canada

Deal found 4/28

$571

Fri 8/110:40 pmIAD - OSL

1 stop17h 50mBritish Airways

Tue 8/127:25 pmOSL - IAD

1 stop26h 30mBritish Airways

Deal found 4/28

$574

Sat 8/169:20 pmIAD - OSL

1 stop13h 20mDelta

Wed 8/276:00 amOSL - IAD

2 stops19h 37mDelta

Deal found 4/28

$578

Tue 11/256:20 pmIAD - OSL

2 stops14h 35mUnited Airlines

Mon 12/19:35 amOSL - IAD

2 stops40h 04mUnited Airlines

Deal found 4/29

$598

Tue 8/1910:40 pmIAD - OSL

1 stop18h 45mFinnair

Sat 8/308:35 amOSL - IAD

2 stops17h 40mFinnair

Deal found 4/28

$599

Mon 5/58:45 pmIAD - OSL

1 stop21h 10mSWISS

Mon 5/125:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 4/29

$607

Sun 5/1810:20 pmIAD - OSL

1 stop13h 45mLufthansa

Sun 6/16:50 amOSL - IAD

1 stop15h 00mLufthansa

Deal found 4/29

$649

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 April 29, 2025.

Sun 7/1310:05 pmIAD - OSL

1 stop20h 05mScandinavian Airlines

Mon 7/289:55 amOSL - IAD

1 stop16h 04mScandinavian Airlines

Deal found 4/28

$552

Sun 5/118:45 pmIAD - OSL

1 stop34h 20mMultiple Airlines

Tue 5/276:35 amOSL - IAD

2 stops20h 33mMultiple Airlines

Deal found 4/29

$573

Sun 5/118:45 pmIAD - OSL

1 stop21h 10mSWISS

Tue 5/275:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 4/29

$574

Fri 5/910:40 pmIAD - OSL

1 stop17h 50mBritish Airways

Thu 5/227:45 amOSL - IAD

1 stop15h 45mBritish Airways

Deal found 4/28

$581

Mon 7/2111:15 pmIAD - OSL

1 stop10h 10mIcelandair

Fri 8/14:30 pmOSL - IAD

1 stop11h 40mIcelandair

Deal found 4/29

$592

Sun 5/113:18 pmIAD - OSL

2 stops24h 52mAir Canada

Tue 5/276:35 amOSL - IAD

2 stops20h 33mAir Canada

Deal found 4/29

$604

Mon 5/56:30 pmIAD - OSL

2 stops15h 10mUnited Airlines

Mon 5/126:35 amOSL - IAD

2 stops20h 33mUnited Airlines

Deal found 4/29

$614

Wed 5/78:30 pmIAD - OSL

2 stops14h 10mDelta

Thu 5/226:30 amOSL - IAD

1 stop15h 05mDelta

Deal found 4/28

$615

Sun 5/1810:20 pmIAD - OSL

1 stop13h 45mLufthansa

Sun 6/16:50 amOSL - IAD

1 stop15h 00mLufthansa

Deal found 4/29

$649

Mon 7/215:50 pmIAD - OSL

2 stops19h 55mFinnair

Fri 8/18:35 amOSL - IAD

2 stops17h 35mFinnair

Deal found 4/29

$786

Sun 7/1310:05 pmIAD - TRF

1 stop32h 30mScandinavian Airlines

Sun 7/277:20 pmTRF - IAD

1 stop30h 39mScandinavian Airlines

Deal found 4/28

$601

Mon 7/2111:15 pmIAD - TRF

2 stops15h 50mMultiple Airlines

Fri 8/16:00 amTRF - IAD

2 stops22h 10mMultiple Airlines

Deal found 4/29

$948

Last-minute flights from Dulles Intl to Oslo
Discover last-minute flight deals from Dulles Intl to Oslo. Data last updated April 29, 2025 and is based on user searches.

Sun 5/46:30 pmIAD - OSL

1 stop16h 20mDelta

Mon 6/96:30 amOSL - IAD

2 stops19h 20mDelta

Deal found 4/29

$656

Sun 5/410:20 pmIAD - OSL

2 stops18h 30mTAP AIR PORTUGAL

Mon 6/96:05 pmOSL - IAD

2 stops27h 15mTAP AIR PORTUGAL

Deal found 4/29

$965

Mon 5/510:40 pmIAD - OSL

1 stop18h 50mBritish Airways

Mon 5/1211:35 amOSL - IAD

1 stop14h 30mBritish Airways

Deal found 4/29

$600

Mon 5/510:20 pmIAD - OSL

1 stop17h 50mUnited Airlines

Mon 5/126:35 amOSL - IAD

2 stops20h 33mUnited Airlines

Deal found 4/29

$602

Mon 5/58:45 pmIAD - OSL

1 stop21h 10mSWISS

Mon 5/125:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 4/29

$607

Mon 5/510:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Mon 5/122:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 4/29

$863

Mon 5/59:40 pmIAD - OSL

3 stops29h 05mEthiopian Air

Mon 5/127:45 pmOSL - IAD

3 stops43h 10mEthiopian Air

Deal found 4/29

$2,095

Mon 5/510:20 pmIAD - OSL

1 stop13h 45mUnited Airlines

Mon 5/126:35 amOSL - IAD

2 stops20h 33mUnited Airlines

Deal found 4/28

$602

Wed 5/710:40 pmIAD - OSL

1 stop18h 50mAmerican Airlines

Thu 5/227:45 amOSL - IAD

1 stop18h 20mAmerican Airlines

Deal found 4/29

$553

Wed 5/79:45 amIAD - OSL

2 stops21h 20mMultiple Airlines

Thu 5/226:35 amOSL - IAD

1 stop12h 55mMultiple Airlines

Deal found 4/29

$613

Wed 5/710:20 pmIAD - OSL

2 stops19h 30mLufthansa

Thu 5/227:15 amOSL - IAD

2 stops14h 35mLufthansa

Deal found 4/29

$682

Wed 5/78:30 pmIAD - OSL

2 stops14h 10mDelta

Thu 5/226:30 amOSL - IAD

1 stop15h 05mDelta

Deal found 4/28

$615

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 April 29, 2025.

Mon 7/2111:15 pmIAD - OSL

1 stop10h 10mIcelandair

Deal found 4/29

$303

Mon 7/2110:20 pmIAD - OSL

3 stops37h 20mMultiple Airlines

Deal found 4/29

$367

Wed 7/2311:15 pmIAD - TRF

3 stops51h 25mMultiple Airlines

Deal found 4/28

$415

Wed 7/238:50 amIAD - OSL

2 stops31h 20mUnited Airlines

Deal found 4/28

$431

Tue 7/810:20 pmIAD - OSL

1 stop31h 40mTAP AIR PORTUGAL

Deal found 4/29

$444

Tue 7/88:45 pmIAD - OSL

1 stop34h 20mSWISS

Deal found 4/28

$453

Fri 7/1810:20 pmIAD - OSL

2 stops19h 30mLufthansa

Deal found 4/28

$531

Wed 7/2310:05 pmIAD - TRF

1 stop32h 30mScandinavian Airlines

Deal found 4/28

$532

Fri 6/2010:05 pmIAD - OSL

1 stop11h 55mScandinavian Airlines

Deal found 4/28

$608

Sat 5/241:30 pmIAD - OSL

1 stop15h 30mTurkish Airlines

Deal found 4/28

$680

Fri 7/1810:20 pmIAD - TRF

2 stops17h 05mLufthansa

Deal found 4/28

$725

Sat 5/245:31 pmIAD - OSL

2 stops18h 34mAir Canada

Deal found 4/28

$792

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

Thu 8/21

11:15 pm-3:25 pm

1 stop10h 10m

Oslo Gardermoen

Fri 8/29

4:30 pm-10:10 pm

1 stop11h 40m

$501

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 10/1

10:25 am-10:20 am

2 stops17h 55m

Oslo Gardermoen

Wed 10/15

11:05 am-7:59 pm

1 stop14h 54m

$506

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 8/21

10:05 pm-2:10 pm

1 stop10h 05m

Oslo Gardermoen

Sun 8/31

1:35 pm-7:59 pm

1 stop12h 24m

$522

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Fri 8/1

10:40 pm-10:30 pm

1 stop17h 50m

Oslo Gardermoen

Tue 8/12

7:25 pm-3:55 pm

1 stop26h 30m

$574

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 8/12

2:25 pm-3:40 pm

2 stops19h 15m

Oslo Gardermoen

Tue 8/26

6:35 am-4:18 pm

2 stops15h 43m

$577

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 8/16

9:20 pm-4:40 pm

1 stop13h 20m

Oslo Gardermoen

Wed 8/27

6:00 am-7:37 pm

2 stops19h 37m

$578

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 8/19

10:40 pm-11:25 pm

1 stop18h 45m

Oslo Gardermoen

Sat 8/30

8:35 am-8:15 pm

2 stops17h 40m

$599

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 5/11

8:45 pm-11:55 pm

1 stop21h 10m

Oslo Gardermoen

Sat 5/17

1:55 pm-4:15 pm

1 stop32h 20m

$600

Washington, D.C.Oslo

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Sun 7/13

10:05 pm-12:35 pm

1 stop32h 30m

Oslo Sandefjord

Sun 7/27

7:20 pm-7:59 pm

1 stop30h 39m

$601

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Fri 10/17

6:40 pm-10:10 pm

2 stops21h 30m

Oslo Gardermoen

Sat 10/25

6:35 am-9:05 pm

2 stops20h 30m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 27 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 32 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 $1,059). 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, Finnair and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,936 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines

7.3

Good

3,788 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $552 on this airline. Additional options worth looking into are SWISS and British Airways, starting at $574 and $581 round-trip. These flights start at 11% 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 $303. United Airlines flights start at $431 while deals on TAP AIR PORTUGAL start at $444 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 $47 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 $1,059). 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$399	Average$607	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$412	Average$672	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$501	Average$594	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$512	Average$692	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$531	Average$752	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$535	Average$719	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$542	Average$720	FlexibilityNo cancel fee	On-time75%
Air France	Cheapest$566	Average$599	FlexibilityNo cancel fee	On-time77%

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$291+ 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 9/2. 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 32 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 April 29, 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 April 29, 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 April 25, 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 April 29, 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 April 29, 2025.

Read through reviews of airlines operating flights from Washington, D.C. to Oslo, such as Delta, Finnair 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 April 29, 2025.