How long is the flight from Washington, D.C. Dulles Intl Airport to Oslo?

Icelandair and Scandinavian Airlines can get you from Washington, D.C. Dulles Intl Airport to Oslo in just under 9h 55m. Your travel time can differ by up to 1h 50m. The distance from Washington, D.C. Dulles Intl Airport to Oslo is about 3885 mi. This flight may include one or multiple stops.

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 $389 on this airline. Additional options worth looking into are Scandinavian Airlines and KLM, starting at $400 and $514 round-trip. These flights start at 34% 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 $166. Icelandair flights start at $207 while deals on Lufthansa start at $378 one-way.

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.

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).

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 Icelandair, Scandinavian Airlines or Lufthansa 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 $50 per day to make their sightseeing more efficient.

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.

$159+ Flights from Washington, D.C. Dulles Intl Airport to Oslo

Q: How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Oslo?

Airfare is below average for this route at the moment. Washington, D.C. Dulles Intl Airport to Oslo flights typically cost between $555 and $898 in January. The cheapest round-trip price found within the last 3 days was $384 on Icelandair (Jan 31-Feb 4).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Oslo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Oslo are usually found in April or January, booked 46 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap 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 December 14, 2025.

Tue 12/307:40 pmIAD - OSL

1 stop9h 55mIcelandair

Wed 1/141:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/13

$451

Wed 12/317:40 pmIAD - OSL

1 stop9h 55mIcelandair

Sun 1/119:30 pmOSL - IAD

1 stop27h 00mIcelandair

Deal found 12/13

$486

Tue 12/306:05 pmIAD - OSL

1 stop11h 45mDelta

Tue 1/139:25 amOSL - IAD

1 stop12h 40mDelta

Deal found 12/13

$517

Wed 12/315:25 pmIAD - OSL

1 stop12h 45mSWISS

Sun 1/111:00 pmOSL - IAD

2 stops31h 00mSWISS

Deal found 12/13

$534

Tue 12/236:00 pmIAD - OSL

1 stop13h 05mUnited Airlines

Wed 12/3111:50 amOSL - IAD

1 stop14h 15mUnited Airlines

Deal found 12/13

$586

Wed 12/315:06 pmIAD - OSL

2 stops17h 09mDelta

Tue 1/136:30 amOSL - IAD

2 stops18h 39mDelta

Deal found 12/13

$598

Wed 12/315:06 pmIAD - OSL

2 stops17h 09mDelta

Wed 1/146:25 amOSL - IAD

1 stop16h 10mDelta

Deal found 12/13

$599

Mon 12/297:40 pmIAD - OSL

1 stop9h 55mIcelandair

Wed 1/141:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/13

$619

Tue 12/306:05 pmIAD - OSL

1 stop18h 10mDelta

Mon 1/126:30 amOSL - IAD

2 stops18h 39mDelta

Deal found 12/13

$623

Sat 12/136:10 pmIAD - OSL

2 stops15h 10mLufthansa

Mon 12/154:35 pmOSL - IAD

2 stops27h 25mLufthansa

Deal found 12/12

$646

Sat 12/209:00 pmIAD - TRF

2 stops15h 40mMultiple Airlines

Sat 12/2710:00 amTRF - IAD

2 stops15h 30mMultiple Airlines

Deal found 12/13

$3,183

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 December 14, 2025.

Mon 1/127:40 pmIAD - OSL

1 stop9h 55mIcelandair

Sun 1/259:30 pmOSL - IAD

1 stop27h 00mIcelandair

Deal found 12/11

$393

Wed 4/228:20 pmIAD - OSL

1 stop11h 45mScandinavian Airlines

Thu 4/3011:00 amOSL - IAD

1 stop11h 50mScandinavian Airlines

Deal found 12/13

$444

Sat 3/75:30 pmIAD - OSL

1 stop12h 40mTAP AIR PORTUGAL

Sat 3/146:45 pmOSL - IAD

1 stop32h 15mTAP AIR PORTUGAL

Deal found 12/14

$477

Mon 3/307:25 pmIAD - OSL

2 stops17h 20mDelta

Wed 4/156:30 amOSL - IAD

1 stop15h 05mDelta

Deal found 12/12

$505

Sun 1/257:40 pmIAD - OSL

1 stop9h 55mIcelandair

Thu 1/291:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/12

$419

Mon 2/28:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Tue 2/102:35 pmTRF - IAD

1 stop32h 40mScandinavian Airlines

Deal found 12/12

$473

Mon 2/237:40 pmIAD - OSL

1 stop9h 55mIcelandair

Wed 3/41:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/12

$442

Tue 2/242:15 pmIAD - OSL

2 stops17h 35mDelta

Thu 3/56:30 amOSL - IAD

1 stop15h 35mDelta

Deal found 12/11

$506

Wed 2/258:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Wed 3/42:35 pmTRF - IAD

1 stop32h 40mScandinavian Airlines

Deal found 12/12

$473

Tue 2/245:11 pmIAD - OSL

2 stops14h 39mDelta

Fri 3/66:30 amOSL - IAD

1 stop15h 35mDelta

Deal found 12/12

$506

Thu 2/58:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Sun 2/85:05 pmTRF - IAD

1 stop30h 10mScandinavian Airlines

Deal found 12/14

$474

Thu 2/58:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Tue 2/102:35 pmTRF - IAD

1 stop32h 40mScandinavian Airlines

Deal found 12/14

$474

Thu 2/268:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Sun 3/15:05 pmTRF - IAD

1 stop30h 10mScandinavian Airlines

Deal found 12/12

$501

Thu 2/268:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Wed 3/42:35 pmTRF - IAD

1 stop32h 40mScandinavian Airlines

Deal found 12/12

$501

Wed 2/258:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Sun 3/15:05 pmTRF - IAD

1 stop30h 10mScandinavian Airlines

Deal found 12/12

$501

Wed 2/258:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Tue 3/32:35 pmTRF - IAD

1 stop32h 40mScandinavian Airlines

Deal found 12/12

$501

Wed 2/118:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Sun 2/225:05 pmTRF - IAD

1 stop30h 10mScandinavian Airlines

Deal found 12/13

$552

Sat 2/288:30 pmIAD - TRF

1 stop14h 05mScandinavian Airlines

Wed 3/42:35 pmTRF - IAD

1 stop32h 40mScandinavian Airlines

Deal found 12/13

$572

Last-minute flights from Dulles Intl to Oslo
Discover last-minute flight deals from Dulles Intl to Oslo. Data last updated December 14, 2025 and is based on user searches.

Tue 12/307:40 pmIAD - OSL

1 stop9h 55mIcelandair

Wed 1/141:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/13

$451

Wed 12/317:40 pmIAD - OSL

1 stop9h 55mIcelandair

Sun 1/119:30 pmOSL - IAD

1 stop27h 00mIcelandair

Deal found 12/13

$486

Sat 1/107:40 pmIAD - OSL

1 stop9h 55mIcelandair

Sat 1/171:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/13

$420

Sun 1/117:40 pmIAD - OSL

1 stop9h 55mIcelandair

Sat 1/241:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/14

$417

Sun 1/1110:30 pmIAD - OSL

1 stop13h 25mTAP AIR PORTUGAL

Sun 1/181:00 pmOSL - IAD

1 stop32h 15mTAP AIR PORTUGAL

Deal found 12/12

$456

Sun 1/1110:55 pmIAD - OSL

1 stop12h 45mMultiple Airlines

Sat 1/246:45 amOSL - IAD

2 stops20h 09mMultiple Airlines

Deal found 12/14

$490

Mon 1/127:40 pmIAD - OSL

1 stop9h 55mIcelandair

Sun 1/259:30 pmOSL - IAD

1 stop27h 00mIcelandair

Deal found 12/11

$393

Mon 1/195:40 pmIAD - OSL

1 stop11h 20mLufthansa

Fri 1/239:35 amOSL - IAD

1 stop12h 15mLufthansa

Deal found 12/12

$464

Thu 1/227:40 pmIAD - OSL

1 stop9h 55mIcelandair

Mon 1/261:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/12

$392

Sun 1/257:40 pmIAD - OSL

1 stop9h 55mIcelandair

Thu 1/291:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/13

$419

Tue 1/277:40 pmIAD - OSL

1 stop9h 55mIcelandair

Tue 2/31:10 pmOSL - IAD

1 stop11h 20mIcelandair

Deal found 12/13

$465

Tue 1/279:45 amIAD - OSL

2 stops20h 25mMultiple Airlines

Tue 2/36:15 amOSL - IAD

1 stop15h 35mMultiple Airlines

Deal found 12/13

$494

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 December 14, 2025.

Sun 2/1510:30 pmIAD - OSL

1 stop13h 25mTAP AIR PORTUGAL

Deal found 12/12

$159

Sat 2/145:30 pmIAD - OSL

1 stop12h 40mTAP AIR PORTUGAL

Deal found 12/12

$179

Fri 2/1310:30 pmIAD - OSL

1 stop31h 40mTAP AIR PORTUGAL

Deal found 12/12

$191

Sat 3/216:30 pmIAD - OSL

1 stop12h 40mTAP AIR PORTUGAL

Deal found 12/13

$222

Mon 2/91:31 pmIAD - TRF

2 stops37h 49mMultiple Airlines

Deal found 12/14

$231

Fri 2/69:35 amIAD - TRF

3 stops42h 30mMultiple Airlines

Deal found 12/14

$266

Sun 2/159:17 pmIAD - TRF

2 stops54h 03mMultiple Airlines

Deal found 12/12

$273

Sun 2/810:30 pmIAD - TRF

2 stops30h 10mMultiple Airlines

Deal found 12/14

$278

Thu 2/128:15 amIAD - OSL

3 stops50h 05mMultiple Airlines

Deal found 12/12

$294

Thu 2/128:15 amIAD - TRF

3 stops46h 45mMultiple Airlines

Deal found 12/12

$296

Thu 2/55:30 pmIAD - TRF

2 stops33h 50mMultiple Airlines

Deal found 12/14

$305

Sat 2/75:30 pmIAD - TRF

3 stops35h 50mMultiple Airlines

Deal found 12/14

$323

Find flight deals from Dulles Intl to Oslo

Round-trip from	$384 (CrystalTravel)
One-way from	$159 (oojo)
Popular in	June
Cheapest in	April
Average price	$684

From Washington, D.C. Dulles Intl to Oslo

Search Deals

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

Search Deals

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

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Mon 1/12

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Sun 1/25

9:30 pm-6:30 pm

1 stop27h 00m

$393

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 1/25

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Thu 1/29

1:10 pm-6:30 pm

1 stop11h 20m

$419

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 2/23

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Wed 3/4

1:10 pm-6:30 pm

1 stop11h 20m

$442

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 4/22

8:20 pm-2:05 pm

1 stop11h 45m

Oslo Gardermoen

Thu 4/30

11:00 am-4:50 pm

1 stop11h 50m

$444

Washington, D.C.Oslo

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Mon 2/2

8:30 pm-2:05 pm

1 stop11h 35m

Oslo Sandefjord

Tue 2/10

2:35 pm-5:15 pm

1 stop32h 40m

$473

Washington, D.C.Oslo

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Wed 2/25

8:30 pm-2:05 pm

1 stop11h 35m

Oslo Sandefjord

Wed 3/4

2:35 pm-5:15 pm

1 stop32h 40m

$473

Washington, D.C.Oslo

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Thu 2/5

8:30 pm-2:05 pm

1 stop11h 35m

Oslo Sandefjord

Sun 2/8

5:05 pm-5:15 pm

1 stop30h 10m

$474

Washington, D.C.Oslo

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Thu 2/5

8:30 pm-2:05 pm

1 stop11h 35m

Oslo Sandefjord

Tue 2/10

2:35 pm-5:15 pm

1 stop32h 40m

$474

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 3/7

5:30 pm-12:10 pm

1 stop12h 40m

Oslo Gardermoen

Sat 3/14

6:45 pm-10:00 pm

1 stop32h 15m

$477

Washington, D.C.Oslo

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Thu 2/26

8:30 pm-2:05 pm

1 stop11h 35m

Oslo Sandefjord

Sun 3/1

5:05 pm-5:15 pm

1 stop30h 10m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 34 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 46 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo (average of $379). Flying from Washington, D.C. Dulles Intl Airport to Oslo in July is currently the most expensive (average of $545). 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 59% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Oslo?

Reviews of airlines servicing Oslo

Read reviews from past customers who have flown Scandinavian Airlines, United Airlines, and Icelandair from Washington, D.C. Dulles Intl Airport to Oslo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Scandinavian Airlines

7.4

Good

1,606 reviews

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

Scandinavian Airlines

7.4

Good

1,606 reviews

Scandinavian Airlines

7.4

Good

1,606 reviews

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

United Airlines

7.4

Good

9,092 reviews

Scandinavian Airlines

7.4

Good

1,606 reviews

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

Icelandair

7.0

Good

590 reviews

Scandinavian Airlines

7.4

Good

1,606 reviews

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

Lufthansa

6.8

Okay

7,628 reviews

Scandinavian Airlines

7.4

Good

1,606 reviews

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

British Airways

6.7

Okay

7,575 reviews

Scandinavian Airlines

7.4

Good

1,606 reviews

Reviews

1 / 20

8.0

Excellent

Kent,Aug 2025

CPH - SEA

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Oslo?
Icelandair and Scandinavian Airlines can get you from Washington, D.C. Dulles Intl Airport to Oslo in just under 9h 55m. Your travel time can differ by up to 1h 50m. The distance from Washington, D.C. Dulles Intl Airport to Oslo is about 3885 mi. This flight may include one or multiple stops.
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 $389 on this airline. Additional options worth looking into are Scandinavian Airlines and KLM, starting at $400 and $514 round-trip. These flights start at 34% 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 $166. Icelandair flights start at $207 while deals on Lufthansa start at $378 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 $50 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo (average of $379). Flying from Washington, D.C. Dulles Intl Airport to Oslo in July is currently the most expensive (average of $545). 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 7 airlines flying from Dulles Intl to Oslo

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$389	Average$581	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$400	Average$651	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$514	Average$618	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$531	Average$756	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$540	Average$732	FlexibilityNo cancel fee	On-time76%
Air France	Cheapest$543	Average$574	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$552	Average$705	FlexibilityNo cancel fee	On-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$159+ 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 2/15. 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 January, booked 46 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap 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 December 14, 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 December 14, 2025.

Find flight deals from Dulles Intl to Oslo

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 December 12, 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 December 14, 2025.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Oslo?

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 December 14, 2025.

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.

How long is the flight from Washington, D.C. Dulles Intl Airport to Oslo?

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Oslo

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Dulles Intl to Oslo

100% Free

Book with Flexibility

Travel Smart

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 December 14, 2025.