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 Icelandair. Our recent data shows that you can find tickets from as low as $410 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Scandinavian Airlines, starting at $453 and $515 round-trip. These flights start at 39% 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $346. KLM flights start at $419 while deals on Air France start at $420 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, JetBlue or British Airways 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 $54 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 $641. You can even find prices in February for less than $641, as users have found deals to Oslo from as low as $209. 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 56%.

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.

$289+ Save on Flights from Washington, D.C. Dulles Intl Airport to Oslo

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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	$410 (Icelandair)
One-way from	$346 (Kiwi.com)
Popular in	June
Cheapest in	April
Average price	$571

From Washington, D.C. Dulles Intl to Oslo

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

Search Deals

Highest demand for flights based on searches. 27% potential increase in price ($264 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($46 potential savings vs. average RT price).

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Average for round-trip flights in February 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 February 20, 2025.

Sun 3/168:40 pmIAD - OSL

1 stop9h 55mIcelandair

Tue 4/11:50 pmOSL - IAD

1 stop11h 30mIcelandair

Deal found 2/19

$404

Tue 3/256:30 pmIAD - OSL

1 stop12h 35mTAP AIR PORTUGAL

Mon 3/3112:50 pmOSL - IAD

1 stop32h 30mTAP AIR PORTUGAL

Deal found 2/20

$453

Wed 3/1210:55 pmIAD - OSL

1 stop18h 45mFinnair

Wed 4/27:40 amOSL - IAD

1 stop18h 30mFinnair

Deal found 2/19

$516

Sun 3/169:45 pmIAD - OSL

1 stop15h 30mMultiple Airlines

Tue 4/16:35 amOSL - IAD

2 stops14h 38mMultiple Airlines

Deal found 2/19

$520

Thu 3/207:00 pmIAD - OSL

1 stop10h 55mBritish Airways

Thu 4/311:40 amOSL - IAD

1 stop14h 30mBritish Airways

Deal found 2/19

$542

Sun 3/166:10 pmIAD - TRF

1 stop13h 25mScandinavian Airlines

Tue 4/12:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 2/19

$551

Tue 3/259:45 pmIAD - OSL

1 stop33h 25mSWISS

Mon 3/315:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 2/20

$554

Sun 3/166:35 pmIAD - OSL

1 stop33h 00mDelta

Sat 3/2212:40 pmOSL - IAD

1 stop33h 05mDelta

Deal found 2/19

$561

Sun 3/210:20 pmIAD - OSL

1 stop13h 35mLufthansa

Tue 4/17:15 amOSL - IAD

1 stop18h 10mLufthansa

Deal found 2/20

$565

Thu 3/2711:20 pmIAD - OSL

1 stop19h 10mUnited Airlines

Thu 4/39:50 amOSL - IAD

2 stops29h 51mUnited Airlines

Deal found 2/20

$566

Wed 3/1212:37 pmIAD - OSL

2 stops19h 08mAir Canada

Wed 4/26:45 amOSL - IAD

2 stops14h 28mAir Canada

Deal found 2/19

$568

Wed 4/3010:05 pmIAD - OSL

1 stop16h 10mScandinavian Airlines

Wed 5/146:00 amOSL - IAD

1 stop19h 59mScandinavian Airlines

Deal found 2/20

$575

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 February 20, 2025.

Mon 3/248:40 pmIAD - OSL

1 stop9h 55mIcelandair

Fri 4/41:50 pmOSL - IAD

1 stop11h 30mIcelandair

Deal found 2/20

$410

Tue 3/256:30 pmIAD - OSL

1 stop12h 35mTAP AIR PORTUGAL

Mon 3/3112:50 pmOSL - IAD

1 stop32h 30mTAP AIR PORTUGAL

Deal found 2/20

$453

Tue 4/110:05 pmIAD - OSL

1 stop13h 45mScandinavian Airlines

Tue 4/86:00 amOSL - IAD

1 stop19h 59mScandinavian Airlines

Deal found 2/19

$515

Tue 4/110:40 pmIAD - OSL

2 stops15h 05mFinnair

Tue 4/87:45 amOSL - IAD

1 stop18h 25mFinnair

Deal found 2/20

$523

Sun 3/28:45 pmIAD - OSL

1 stop33h 25mMultiple Airlines

Tue 4/16:35 amOSL - IAD

2 stops14h 38mMultiple Airlines

Deal found 2/20

$537

Thu 3/2010:55 pmIAD - OSL

1 stop19h 40mBritish Airways

Thu 3/277:00 amOSL - IAD

1 stop14h 35mBritish Airways

Deal found 2/20

$542

Tue 3/259:45 pmIAD - OSL

1 stop33h 25mSWISS

Mon 3/315:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 2/20

$554

Sun 3/166:35 pmIAD - OSL

1 stop16h 40mDelta

Sun 3/2312:40 pmOSL - IAD

1 stop33h 05mDelta

Deal found 2/20

$560

Sun 3/210:20 pmIAD - OSL

1 stop13h 35mLufthansa

Tue 4/17:15 amOSL - IAD

1 stop18h 10mLufthansa

Deal found 2/20

$565

Thu 3/207:25 pmIAD - OSL

2 stops23h 05mUnited Airlines

Thu 3/276:30 amOSL - IAD

2 stops32h 16mUnited Airlines

Deal found 2/20

$568

Sun 5/183:18 pmIAD - OSL

2 stops20h 47mAir Canada

Sun 6/13:35 pmOSL - IAD

2 stops22h 09mAir Canada

Deal found 2/20

$641

Sat 3/153:00 pmIAD - OSL

1 stop15h 05mTurkish Airlines

Fri 3/216:20 pmOSL - IAD

1 stop23h 55mTurkish Airlines

Deal found 2/19

$686

Last-minute flights from Dulles Intl to Oslo
Discover last-minute flight deals from Dulles Intl to Oslo. Data last updated February 20, 2025 and is based on user searches.

Fri 2/289:25 pmIAD - OSL

1 stop31h 40mTurkish Airlines

Wed 3/56:20 pmOSL - IAD

1 stop23h 55mTurkish Airlines

Deal found 2/18

$760

Sun 3/28:45 pmIAD - OSL

1 stop33h 25mMultiple Airlines

Tue 4/16:35 amOSL - IAD

2 stops14h 38mMultiple Airlines

Deal found 2/20

$537

Sun 3/28:45 pmIAD - OSL

1 stop15h 30mSWISS

Tue 4/15:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 2/20

$556

Sun 3/26:40 pmIAD - OSL

1 stop15h 45mDelta

Sun 3/96:30 amOSL - IAD

1 stop15h 15mDelta

Deal found 2/20

$561

Sun 3/210:20 pmIAD - OSL

1 stop13h 35mLufthansa

Tue 4/17:15 amOSL - IAD

1 stop18h 10mLufthansa

Deal found 2/20

$565

Sun 3/28:45 pmIAD - OSL

2 stops15h 10mUnited Airlines

Tue 4/16:35 amOSL - IAD

2 stops14h 38mUnited Airlines

Deal found 2/20

$577

Sun 3/25:10 pmIAD - TRF

1 stop13h 25mScandinavian Airlines

Tue 4/12:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 2/20

$656

Sun 3/210:20 pmIAD - TRF

2 stops27h 10mMultiple Airlines

Tue 4/12:55 pmTRF - IAD

1 stop11h 04mMultiple Airlines

Deal found 2/20

$987

Sun 3/210:00 amIAD - OSL

2 stops39h 45mEthiopian Air

Tue 4/17:45 pmOSL - IAD

3 stops30h 05mEthiopian Air

Deal found 2/20

$2,273

Wed 3/1210:55 pmIAD - OSL

1 stop18h 45mFinnair

Wed 4/27:40 amOSL - IAD

1 stop18h 30mFinnair

Deal found 2/19

$516

Wed 3/1212:37 pmIAD - OSL

2 stops19h 08mAir Canada

Wed 4/26:45 amOSL - IAD

2 stops14h 28mAir Canada

Deal found 2/19

$568

Sat 3/153:00 pmIAD - OSL

1 stop15h 05mTurkish Airlines

Thu 3/206:20 pmOSL - IAD

1 stop23h 45mTurkish Airlines

Deal found 2/19

$685

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 February 20, 2025.

Mon 3/37:15 pmIAD - OSL

1 stop34h 50mTAP AIR PORTUGAL

Deal found 2/19

$346

Sun 3/1611:30 pmIAD - TRF

2 stops33h 35mMultiple Airlines

Deal found 2/19

$363

Wed 3/510:30 pmIAD - OSL

3 stops27h 20mMultiple Airlines

Deal found 2/19

$399

Sun 3/96:35 pmIAD - OSL

1 stop21h 15mKLM

Deal found 2/19

$419

Thu 3/69:45 pmIAD - OSL

1 stop17h 05mAir France

Deal found 2/19

$420

Mon 3/35:16 pmIAD - OSL

2 stops16h 59mDelta

Deal found 2/19

$424

Sun 4/136:10 pmIAD - OSL

1 stop17h 55mLufthansa

Deal found 2/20

$425

Wed 3/51:00 pmIAD - OSL

2 stops22h 55mUnited Airlines

Deal found 2/19

$429

Sat 3/88:45 pmIAD - OSL

1 stop15h 30mSWISS

Deal found 2/19

$452

Sun 3/96:10 pmIAD - TRF

1 stop13h 25mScandinavian Airlines

Deal found 2/19

$511

Sun 6/155:25 pmIAD - OSL

1 stop14h 50mAustrian Airlines

Deal found 2/20

$645

Mon 6/1610:30 amIAD - OSL

2 stops25h 35mAir Canada

Deal found 2/20

$668

Find flights from Dulles Intl to Oslo within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 3/16

8:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Tue 4/1

1:50 pm-7:20 pm

1 stop11h 30m

$404

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 3/25

6:30 pm-12:05 pm

1 stop12h 35m

Oslo Gardermoen

Mon 3/31

12:50 pm-3:20 pm

1 stop32h 30m

$453

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 3/12

10:55 pm-10:40 pm

1 stop18h 45m

Oslo Gardermoen

Wed 4/2

7:40 am-8:10 pm

1 stop18h 30m

$516

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 3/16

9:45 pm-6:15 pm

1 stop15h 30m

Oslo Gardermoen

Tue 4/1

6:35 am-3:13 pm

2 stops14h 38m

$520

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 3/20

7:00 pm-10:55 am

1 stop10h 55m

Oslo Gardermoen

Thu 4/3

11:40 am-8:10 pm

1 stop14h 30m

$542

Washington, D.C.Oslo

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Sun 3/16

6:10 pm-12:35 pm

1 stop13h 25m

Oslo Sandefjord

Tue 4/1

2:55 pm-7:59 pm

1 stop11h 04m

$551

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 3/25

9:45 pm-12:10 pm

1 stop33h 25m

Oslo Gardermoen

Mon 3/31

5:40 am-4:15 pm

1 stop16h 35m

$554

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 3/16

6:35 pm-8:35 am

1 stop33h 00m

Oslo Gardermoen

Sat 3/22

12:40 pm-4:45 pm

1 stop33h 05m

$561

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 3/2

10:20 pm-5:55 pm

1 stop13h 35m

Oslo Gardermoen

Tue 4/1

7:15 am-7:25 pm

1 stop18h 10m

$565

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 3/12

12:37 pm-12:45 pm

2 stops19h 08m

Oslo Gardermoen

Wed 4/2

6:45 am-3:13 pm

2 stops14h 28m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 31 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.

Travel insights for flights from Dulles Intl to Oslo

Get recent, data-driven insights about flights from Dulles Intl to Oslo including ideal travel times, pricing trends, and more.

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 $1,134). 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

8,220 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

8,220 reviews

Delta

8.0

Very good

8,220 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.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

8,220 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

1,273 reviews

Delta

8.0

Very good

8,220 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.

Austrian Airlines

7.6

Good

773 reviews

Delta

8.0

Very good

8,220 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

1,568 reviews

Delta

8.0

Very good

8,220 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 Icelandair. Our recent data shows that you can find tickets from as low as $410 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Scandinavian Airlines, starting at $453 and $515 round-trip. These flights start at 39% 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $346. KLM flights start at $419 while deals on Air France start at $420 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 $54 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 $1,134). 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 9 airlines flying from Dulles Intl to Oslo

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$410	Average$649	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$420	Average$643	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$501	Average$594	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$514	Average$734	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$531	Average$758	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$535	Average$716	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$542	Average$720	FlexibilityNo cancel fee	On-time75%
Air France	Cheapest$566	Average$757	FlexibilityNo cancel fee	On-time77%
JetBlue	Cheapest$717	Average$1,387	FlexibilityNo cancel fee	On-time62%

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$289+ 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 3/17. 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

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 February 20, 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 February 20, 2025.

Find flights from Dulles Intl to Oslo within your budget

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.

Travel insights for flights from Dulles Intl to Oslo

Get recent, data-driven insights about flights from Dulles Intl to Oslo including ideal travel times, pricing trends, and more.

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 February 14, 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 February 20, 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 February 20, 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 9 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 February 20, 2025.