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 $501 on this airline. Additional options worth looking into are Icelandair and British Airways, starting at $505 and $528 round-trip. These flights start at 17% 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 $215. Air Canada flights start at $404 while deals on TAP AIR PORTUGAL start at $409 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 $68 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 $592. You can even find prices in February for less than $592, 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.

$215+ 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	$501 (Cheapflightsfares)
One-way from	$215 (CrystalTravel)
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 ($117 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 18, 2025.

Tue 9/210:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Wed 9/102:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 6/16

$501

Fri 8/2911:15 pmIAD - OSL

1 stop10h 10mIcelandair

Sat 9/131:50 pmOSL - IAD

1 stop11h 30mIcelandair

Deal found 6/18

$502

Wed 11/59:55 amIAD - OSL

2 stops20h 15mAir Canada

Wed 11/121:50 pmOSL - IAD

2 stops32h 04mAir Canada

Deal found 6/15

$503

Mon 8/1810:05 pmIAD - OSL

1 stop10h 05mScandinavian Airlines

Sun 8/243:10 pmOSL - IAD

1 stop10h 49mScandinavian Airlines

Deal found 6/16

$517

Thu 11/209:55 amIAD - OSL

2 stops20h 15mMultiple Airlines

Tue 11/256:15 amOSL - IAD

2 stops19h 24mMultiple Airlines

Deal found 6/16

$521

Thu 8/1410:40 pmIAD - OSL

1 stop11h 35mBritish Airways

Wed 8/2011:35 amOSL - IAD

1 stop14h 35mBritish Airways

Deal found 6/16

$528

Wed 11/1211:10 pmIAD - OSL

1 stop12h 35mUnited Airlines

Wed 11/196:05 amOSL - IAD

2 stops16h 16mUnited Airlines

Deal found 6/17

$530

Wed 10/1510:05 pmIAD - TRF

2 stops16h 55mMultiple Airlines

Wed 10/226:10 amTRF - IAD

2 stops19h 49mMultiple Airlines

Deal found 6/15

$540

Sun 8/176:30 pmIAD - OSL

1 stop11h 20mDelta

Sun 8/2412:45 pmOSL - IAD

1 stop12h 30mDelta

Deal found 6/16

$544

Mon 8/185:10 pmIAD - OSL

2 stops18h 50mLufthansa

Mon 8/256:45 pmOSL - IAD

1 stop27h 05mLufthansa

Deal found 6/16

$557

Tue 9/27:25 pmIAD - OSL

1 stop22h 00mAmerican Airlines

Wed 9/107:40 amOSL - IAD

2 stops17h 11mAmerican Airlines

Deal found 6/18

$566

Thu 8/2810:40 pmIAD - OSL

1 stop19h 15mFinnair

Sat 9/68:35 amOSL - IAD

2 stops17h 40mFinnair

Deal found 6/16

$594

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 18, 2025.

Tue 9/210:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Wed 9/102:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 6/16

$501

Wed 8/611:15 pmIAD - OSL

1 stop10h 10mIcelandair

Wed 8/204:30 pmOSL - IAD

1 stop11h 40mIcelandair

Deal found 6/15

$505

Thu 8/1410:40 pmIAD - OSL

1 stop11h 35mBritish Airways

Wed 8/2011:35 amOSL - IAD

1 stop14h 35mBritish Airways

Deal found 6/16

$528

Sat 9/69:35 amIAD - OSL

2 stops20h 40mMultiple Airlines

Sat 9/135:40 amOSL - IAD

1 stop16h 35mMultiple Airlines

Deal found 6/17

$541

Sun 8/176:30 pmIAD - OSL

1 stop11h 20mDelta

Sun 8/2412:45 pmOSL - IAD

1 stop12h 30mDelta

Deal found 6/16

$544

Mon 8/185:10 pmIAD - OSL

2 stops18h 50mLufthansa

Mon 8/256:45 pmOSL - IAD

1 stop27h 05mLufthansa

Deal found 6/16

$557

Tue 9/21:00 pmIAD - OSL

2 stops17h 15mUnited Airlines

Mon 9/89:50 amOSL - IAD

1 stop12h 00mUnited Airlines

Deal found 6/16

$563

Tue 9/27:25 pmIAD - OSL

1 stop22h 00mAmerican Airlines

Wed 9/107:40 amOSL - IAD

2 stops17h 11mAmerican Airlines

Deal found 6/18

$566

Thu 8/2810:40 pmIAD - OSL

1 stop19h 15mFinnair

Sun 9/78:45 pmOSL - IAD

2 stops25h 15mFinnair

Deal found 6/16

$594

Mon 8/1810:05 pmIAD - OSL

1 stop10h 05mScandinavian Airlines

Sun 8/243:10 pmOSL - IAD

1 stop10h 49mScandinavian Airlines

Deal found 6/16

$517

Tue 8/1911:15 pmIAD - TRF

2 stops15h 55mMultiple Airlines

Tue 8/2612:15 pmTRF - IAD

2 stops13h 05mMultiple Airlines

Deal found 6/16

$632

Last-minute flights from Dulles Intl to Oslo
Discover last-minute flight deals from Dulles Intl to Oslo. Data last updated June 18, 2025 and is based on user searches.

Mon 6/239:20 pmIAD - OSL

1 stop13h 20mAir France

Wed 7/912:45 pmOSL - IAD

1 stop12h 30mAir France

Deal found 6/16

$837

Mon 6/235:25 pmIAD - OSL

1 stop21h 30mKLM

Tue 7/84:35 pmOSL - IAD

1 stop29h 00mKLM

Deal found 6/16

$877

Mon 6/2310:20 pmIAD - OSL

2 stops13h 40mLufthansa

Tue 7/87:15 amOSL - IAD

2 stops14h 35mLufthansa

Deal found 6/16

$1,221

Tue 6/2411:15 pmIAD - OSL

1 stop31h 20mIcelandair

Thu 7/104:30 pmOSL - IAD

1 stop11h 40mIcelandair

Deal found 6/16

$680

Tue 6/2412:55 pmIAD - OSL

2 stops20h 45mUnited Airlines

Wed 7/96:50 amOSL - IAD

2 stops30h 45mUnited Airlines

Deal found 6/16

$847

Tue 6/246:30 pmIAD - OSL

1 stop16h 10mDelta

Wed 7/212:45 pmOSL - IAD

2 stops16h 10mDelta

Deal found 6/17

$848

Tue 6/249:20 pmIAD - OSL

1 stop13h 20mMultiple Airlines

Tue 7/87:15 pmOSL - IAD

1 stop26h 20mMultiple Airlines

Deal found 6/16

$851

Tue 6/2412:13 pmIAD - OSL

1 stop12h 37mScandinavian Airlines

Sun 7/138:55 pmOSL - IAD

1 stop29h 04mScandinavian Airlines

Deal found 6/18

$916

Tue 6/2412:13 pmIAD - TRF

2 stops20h 07mScandinavian Airlines

Wed 7/91:05 pmTRF - IAD

1 stop12h 54mScandinavian Airlines

Deal found 6/16

$956

Wed 6/255:12 pmIAD - OSL

2 stops16h 28mAir Canada

Thu 7/106:35 amOSL - IAD

2 stops15h 44mAir Canada

Deal found 6/16

$1,457

Thu 6/261:30 pmIAD - OSL

1 stop18h 05mTurkish Airlines

Fri 6/276:40 pmOSL - IAD

1 stop31h 05mTurkish Airlines

Deal found 6/17

$1,760

Thu 6/268:35 amIAD - OSL

2 stops27h 00mTAP AIR PORTUGAL

Sat 7/51:00 pmOSL - IAD

2 stops24h 34mTAP AIR PORTUGAL

Deal found 6/18

$2,040

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 18, 2025.

Tue 7/1511:15 pmIAD - OSL

1 stop10h 10mIcelandair

Deal found 6/17

$215

Sat 7/51:36 pmIAD - OSL

2 stops37h 39mMultiple Airlines

Deal found 6/17

$302

Wed 9/1011:15 pmIAD - TRF

3 stops26h 10mMultiple Airlines

Deal found 6/15

$329

Tue 9/21:00 pmIAD - OSL

2 stops18h 05mAir Canada

Deal found 6/16

$404

Thu 7/1710:20 pmIAD - OSL

1 stop31h 40mTAP AIR PORTUGAL

Deal found 6/16

$409

Wed 7/1610:40 pmIAD - OSL

1 stop18h 50mBritish Airways

Deal found 6/16

$425

Sat 8/25:25 pmIAD - OSL

1 stop21h 30mKLM

Deal found 6/16

$428

Fri 7/1810:20 pmIAD - OSL

1 stop30h 30mLufthansa

Deal found 6/17

$449

Fri 7/186:30 pmIAD - OSL

1 stop11h 20mDelta

Deal found 6/18

$458

Thu 7/310:15 pmIAD - OSL

2 stops28h 45mUnited Airlines

Deal found 6/17

$467

Tue 9/26:10 pmIAD - TRF

2 stops14h 55mLufthansa

Deal found 6/17

$581

Fri 7/1810:05 pmIAD - TRF

1 stop12h 30mScandinavian Airlines

Deal found 6/16

$638

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 - TRF

IADTRF

Washington, D.C. Dulles Intl

Tue 9/2

10:05 pm-2:20 pm

1 stop10h 15m

Oslo Sandefjord

Wed 9/10

2:55 pm-7:59 pm

1 stop11h 04m

$501

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Fri 8/29

11:15 pm-3:25 pm

1 stop10h 10m

Oslo Gardermoen

Sat 9/13

1:50 pm-7:20 pm

1 stop11h 30m

$502

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/18

10:05 pm-2:10 pm

1 stop10h 05m

Oslo Gardermoen

Sun 8/24

3:10 pm-7:59 pm

1 stop10h 49m

$517

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 8/14

10:40 pm-4:15 pm

1 stop11h 35m

Oslo Gardermoen

Wed 8/20

11:35 am-8:10 pm

1 stop14h 35m

$528

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 9/6

9:35 am-12:15 pm

2 stops20h 40m

Oslo Gardermoen

Sat 9/13

5:40 am-4:15 pm

1 stop16h 35m

$541

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 8/17

6:30 pm-11:50 am

1 stop11h 20m

Oslo Gardermoen

Sun 8/24

12:45 pm-7:15 pm

1 stop12h 30m

$544

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/18

5:10 pm-6:00 pm

2 stops18h 50m

Oslo Gardermoen

Mon 8/25

6:45 pm-3:50 pm

1 stop27h 05m

$557

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 9/2

1:00 pm-12:15 pm

2 stops17h 15m

Oslo Gardermoen

Mon 9/8

9:50 am-3:50 pm

1 stop12h 00m

$563

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 9/2

7:25 pm-11:25 pm

1 stop22h 00m

Oslo Gardermoen

Wed 9/10

7:40 am-6:51 pm

2 stops17h 11m

$566

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 8/28

10:40 pm-11:55 pm

1 stop19h 15m

Oslo Gardermoen

Sat 9/6

8:35 am-8:15 pm

2 stops17h 40m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 26 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 $1,009). 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, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,964 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

7,964 reviews

Delta

8.0

Very good

7,964 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

1,364 reviews

Delta

8.0

Very good

7,964 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

1,292 reviews

Delta

8.0

Very good

7,964 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

1,632 reviews

Delta

8.0

Very good

7,964 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

8,810 reviews

Delta

8.0

Very good

7,964 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 $501 on this airline. Additional options worth looking into are Icelandair and British Airways, starting at $505 and $528 round-trip. These flights start at 17% 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 $215. Air Canada flights start at $404 while deals on TAP AIR PORTUGAL start at $409 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 $68 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 $1,009). 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$389	Average$603	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$400	Average$627	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$501	Average$589	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$512	Average$681	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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$215+ 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 7/15. 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 18, 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 18, 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 13, 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 18, 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 18, 2025.

Read through reviews of airlines operating flights from Washington, D.C. to Oslo, such as Delta, KLM and Finnair. 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 18, 2025.