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 $481 on this airline. Additional options worth looking into are Air Canada and Lufthansa, starting at $501 and $507 round-trip. These flights start at 21% lower than the current average price 3 months from now.

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

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $289. Icelandair flights start at $355 while deals on Delta start at $383 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.

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 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 Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool. Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool are located about 23.3 mi, 23.2 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $69 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 $598. You can even find prices in February for less than $598, as users have found deals to Oslo from as low as $192. 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 32%.

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.

$243+ 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 $534 and $752 in September. The cheapest round-trip price found within the last 3 days was $481 on Icelandair (Sep 11-Sep 18).

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 November, booked 53 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to Oslo

Round-trip from	$481 (Ticket)
One-way from	$243 (Kiwi.com)
Popular in	June
Cheapest in	April
Average price	$706

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 ($118 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 July 29, 2025.

Thu 9/118:30 pmIAD - OSL

1 stop12h 55mIcelandair

Thu 9/181:50 pmOSL - IAD

1 stop11h 30mIcelandair

Deal found 7/28

$481

Mon 12/11:20 pmIAD - OSL

2 stops16h 50mMultiple Airlines

Mon 12/81:00 pmOSL - IAD

1 stop33h 40mMultiple Airlines

Deal found 7/28

$485

Wed 11/55:29 pmIAD - OSL

2 stops14h 41mAmerican Airlines

Wed 11/1211:50 amOSL - IAD

2 stops17h 17mAmerican Airlines

Deal found 7/28

$490

Mon 12/16:20 pmIAD - OSL

2 stops31h 40mFinnair

Mon 12/88:50 pmOSL - IAD

2 stops24h 45mFinnair

Deal found 7/28

$491

Tue 11/251:20 pmIAD - OSL

2 stops16h 50mAir Canada

Tue 12/26:45 amOSL - IAD

2 stops20h 14mAir Canada

Deal found 7/27

$492

Mon 8/2510:20 pmIAD - OSL

1 stop13h 45mLufthansa

Mon 9/16:35 amOSL - IAD

1 stop12h 55mLufthansa

Deal found 7/28

$507

Mon 12/111:10 pmIAD - OSL

1 stop12h 35mUnited Airlines

Mon 12/81:50 pmOSL - IAD

2 stops15h 31mUnited Airlines

Deal found 7/28

$509

Sun 9/1410:05 pmIAD - OSL

1 stop18h 30mScandinavian Airlines

Sat 9/208:55 pmOSL - IAD

1 stop29h 04mScandinavian Airlines

Deal found 7/27

$510

Fri 11/76:20 pmIAD - OSL

1 stop17h 10mBritish Airways

Fri 11/147:10 amOSL - IAD

2 stops21h 57mBritish Airways

Deal found 7/28

$512

Mon 12/18:30 pmIAD - TRF

1 stop11h 35mScandinavian Airlines

Sun 12/72:35 pmTRF - IAD

1 stop32h 40mScandinavian Airlines

Deal found 7/27

$530

Tue 8/269:35 amIAD - TRF

3 stops29h 45mMultiple Airlines

Tue 9/29:55 amTRF - IAD

2 stops15h 30mMultiple Airlines

Deal found 7/27

$646

Fri 11/286:00 pmIAD - TRF

2 stops15h 05mLufthansa

Sun 12/79:00 amTRF - IAD

2 stops35h 35mLufthansa

Deal found 7/27

$736

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 July 29, 2025.

Thu 9/118:30 pmIAD - OSL

1 stop12h 55mIcelandair

Thu 9/181:50 pmOSL - IAD

1 stop11h 30mIcelandair

Deal found 7/28

$481

Sun 8/178:45 pmIAD - OSL

1 stop34h 20mMultiple Airlines

Mon 8/256:45 amOSL - IAD

2 stops20h 16mMultiple Airlines

Deal found 7/27

$492

Sun 8/172:25 pmIAD - OSL

2 stops21h 40mAir Canada

Mon 8/256:45 amOSL - IAD

2 stops20h 16mAir Canada

Deal found 7/27

$501

Mon 8/2510:20 pmIAD - OSL

1 stop13h 45mLufthansa

Mon 9/16:35 amOSL - IAD

1 stop12h 55mLufthansa

Deal found 7/28

$507

Sun 9/1410:05 pmIAD - OSL

1 stop18h 30mScandinavian Airlines

Sat 9/208:55 pmOSL - IAD

1 stop29h 04mScandinavian Airlines

Deal found 7/27

$510

Tue 8/267:25 pmIAD - OSL

2 stops22h 00mBritish Airways

Tue 9/27:45 amOSL - IAD

2 stops17h 07mBritish Airways

Deal found 7/27

$522

Sat 8/1610:20 pmIAD - OSL

1 stop17h 50mUnited Airlines

Tue 8/267:15 amOSL - IAD

2 stops19h 40mUnited Airlines

Deal found 7/28

$526

Sun 8/318:45 pmIAD - OSL

1 stop21h 10mSWISS

Thu 9/115:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 7/28

$545

Mon 8/185:50 pmIAD - OSL

2 stops16h 50mDelta

Sun 8/246:05 amOSL - IAD

1 stop19h 10mDelta

Deal found 7/26

$548

Mon 9/2210:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Tue 10/72:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 7/29

$532

Tue 8/266:10 pmIAD - TRF

2 stops21h 10mMultiple Airlines

Tue 9/29:55 amTRF - IAD

2 stops15h 30mMultiple Airlines

Deal found 7/27

$646

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

Wed 8/611:15 pmIAD - OSL

1 stop31h 20mIcelandair

Wed 8/204:30 pmOSL - IAD

1 stop11h 40mIcelandair

Deal found 7/27

$509

Wed 8/610:20 pmIAD - OSL

1 stop17h 50mMultiple Airlines

Wed 8/136:05 pmOSL - IAD

1 stop25h 25mMultiple Airlines

Deal found 7/28

$518

Wed 8/610:20 pmIAD - OSL

1 stop17h 50mUnited Airlines

Wed 8/136:50 amOSL - IAD

2 stops30h 14mUnited Airlines

Deal found 7/27

$550

Wed 8/65:25 pmIAD - OSL

1 stop16h 55mDelta

Wed 8/206:00 amOSL - IAD

2 stops19h 43mDelta

Deal found 7/28

$569

Wed 8/610:20 pmIAD - OSL

1 stop17h 50mLufthansa

Wed 8/139:45 amOSL - IAD

2 stops16h 15mLufthansa

Deal found 7/28

$591

Fri 8/810:05 pmIAD - TRF

1 stop12h 30mScandinavian Airlines

Mon 9/12:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 7/27

$979

Fri 8/810:20 pmIAD - TRF

2 stops17h 35mMultiple Airlines

Sat 8/1610:20 pmTRF - IAD

3 stops29h 50mMultiple Airlines

Deal found 7/29

$1,535

Sat 8/1610:20 pmIAD - OSL

1 stop17h 50mUnited Airlines

Tue 8/267:15 amOSL - IAD

2 stops19h 40mUnited Airlines

Deal found 7/28

$526

Sun 8/178:45 pmIAD - OSL

1 stop34h 20mMultiple Airlines

Mon 8/256:45 amOSL - IAD

2 stops20h 16mMultiple Airlines

Deal found 7/27

$492

Sun 8/172:25 pmIAD - OSL

2 stops21h 40mAir Canada

Mon 8/256:45 amOSL - IAD

2 stops20h 16mAir Canada

Deal found 7/27

$501

Mon 8/185:50 pmIAD - OSL

2 stops16h 50mDelta

Sun 8/246:05 amOSL - IAD

1 stop19h 10mDelta

Deal found 7/26

$548

Mon 8/2510:20 pmIAD - OSL

1 stop13h 45mLufthansa

Mon 9/16:35 amOSL - IAD

1 stop12h 55mLufthansa

Deal found 7/28

$507

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 July 29, 2025.

Mon 9/2210:20 pmIAD - TRF

3 stops51h 10mMultiple Airlines

Deal found 7/28

$243

Mon 9/2210:20 pmIAD - OSL

3 stops58h 15mMultiple Airlines

Deal found 7/28

$266

Wed 12/1010:30 pmIAD - OSL

1 stop13h 35mTAP AIR PORTUGAL

Deal found 7/27

$289

Wed 9/38:30 pmIAD - OSL

1 stop12h 55mIcelandair

Deal found 7/28

$355

Tue 11/255:45 pmIAD - OSL

2 stops19h 05mDelta

Deal found 7/28

$383

Tue 11/251:58 pmIAD - OSL

2 stops18h 12mAmerican Airlines

Deal found 7/29

$392

Fri 8/89:20 pmIAD - OSL

1 stop13h 20mAir France

Deal found 7/29

$403

Thu 8/710:20 pmIAD - OSL

1 stop13h 45mLufthansa

Deal found 7/29

$406

Thu 8/79:35 amIAD - OSL

2 stops24h 05mUnited Airlines

Deal found 7/29

$411

Fri 9/263:36 pmIAD - OSL

2 stops24h 34mAir Canada

Deal found 7/28

$424

Mon 9/2210:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Deal found 7/28

$537

Fri 9/266:10 pmIAD - TRF

2 stops14h 55mLufthansa

Deal found 7/27

$541

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 9/11

8:30 pm-3:25 pm

1 stop12h 55m

Oslo Gardermoen

Thu 9/18

1:50 pm-7:20 pm

1 stop11h 30m

$481

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 8/17

8:45 pm-1:05 pm

1 stop34h 20m

Oslo Gardermoen

Mon 8/25

6:45 am-9:01 pm

2 stops20h 16m

$492

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 8/17

2:25 pm-6:05 pm

2 stops21h 40m

Oslo Gardermoen

Mon 8/25

6:45 am-9:01 pm

2 stops20h 16m

$501

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/25

10:20 pm-6:05 pm

1 stop13h 45m

Oslo Gardermoen

Mon 9/1

6:35 am-1:30 pm

1 stop12h 55m

$507

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 9/14

10:05 pm-10:35 pm

1 stop18h 30m

Oslo Gardermoen

Sat 9/20

8:55 pm-7:59 pm

1 stop29h 04m

$510

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 8/26

7:25 pm-11:25 pm

2 stops22h 00m

Oslo Gardermoen

Tue 9/2

7:45 am-6:52 pm

2 stops17h 07m

$522

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 8/16

10:20 pm-10:10 pm

1 stop17h 50m

Oslo Gardermoen

Tue 8/26

7:15 am-8:55 pm

2 stops19h 40m

$526

Washington, D.C.Oslo

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Mon 9/22

10:05 pm-2:20 pm

1 stop10h 15m

Oslo Sandefjord

Tue 10/7

2:55 pm-7:59 pm

1 stop11h 04m

$532

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 8/31

8:45 pm-11:55 pm

1 stop21h 10m

Oslo Gardermoen

Thu 9/11

5:40 am-4:15 pm

1 stop16h 35m

$545

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/18

5:50 pm-4:40 pm

2 stops16h 50m

Oslo Gardermoen

Sun 8/24

6:05 am-7:15 pm

1 stop19h 10m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 24 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 53 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 $1,010). 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.

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 Delta, Air France, and SWISS 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.

Delta

8.0

Very good

7,977 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

7,977 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,465 reviews

Delta

8.0

Very good

7,977 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

1,683 reviews

Delta

8.0

Very good

7,977 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

8,899 reviews

Delta

8.0

Very good

7,977 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!

Scandinavian Airlines

7.3

Good

1,449 reviews

Delta

8.0

Very good

7,977 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 Icelandair. Our recent data shows that you can find tickets from as low as $481 on this airline. Additional options worth looking into are Air Canada and Lufthansa, starting at $501 and $507 round-trip. These flights start at 21% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Oslo one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $289. Icelandair flights start at $355 while deals on Delta start at $383 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 Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool. Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool are located about 23.3 mi, 23.2 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $69 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 $1,010). 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$602	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$400	Average$621	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$501	Average$589	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$512	Average$684	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$535	Average$719	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$548	Average$784	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$563	Average$751	FlexibilityNo cancel fee	On-time69%
Air France	Cheapest$566	Average$616	FlexibilityNo cancel fee	On-time77%

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.

$243+ 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 9/22. 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 53 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 July 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 July 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 July 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 July 29, 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 July 29, 2025.

Read reviews from past customers who have flown Delta, Air France, and SWISS 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.

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?

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 8 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 July 29, 2025.