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 $491 on this airline. Additional options worth looking into are Scandinavian Airlines and SWISS, starting at $511 and $604 round-trip. These flights start at 25% 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 $221. TAP AIR PORTUGAL flights start at $347 while deals on Lufthansa start at $426 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 $55 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 $632. You can even find prices in February for less than $632, as users have found deals to Oslo from as low as $194. The month of June appears to be one of the more expensive times to travel to Oslo from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 52%.

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.

$221+ 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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2. Select your favorite providers

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Oslo are usually found in April or November, booked 32 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to Oslo

Round-trip from	$491 (oojo)
One-way from	$221 (oojo)
Popular in	June
Cheapest in	April
Average price	$572

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. 24% potential increase in price ($211 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 28, 2025.

Thu 10/910:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Tue 10/212:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 3/27

$478

Mon 8/1810:05 pmIAD - OSL

1 stop12h 30mScandinavian Airlines

Fri 8/297:10 amOSL - IAD

1 stop18h 49mScandinavian Airlines

Deal found 3/27

$479

Fri 10/311:15 pmIAD - OSL

1 stop31h 20mIcelandair

Fri 10/174:30 pmOSL - IAD

1 stop11h 40mIcelandair

Deal found 3/27

$487

Fri 3/289:45 pmIAD - OSL

1 stop15h 15mSWISS

Fri 4/45:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 3/27

$569

Mon 4/288:30 pmIAD - OSL

3 stops17h 20mMultiple Airlines

Tue 5/66:50 pmOSL - IAD

1 stop26h 30mMultiple Airlines

Deal found 3/27

$571

Thu 10/97:25 pmIAD - OSL

1 stop14h 50mBritish Airways

Tue 10/2111:15 amOSL - IAD

2 stops33h 45mBritish Airways

Deal found 3/27

$590

Tue 9/210:05 pmIAD - TRF

1 stop10h 15mMultiple Airlines

Wed 9/106:10 amTRF - IAD

2 stops19h 49mMultiple Airlines

Deal found 3/27

$606

Mon 10/67:05 pmIAD - OSL

2 stops17h 30mDelta

Thu 10/166:30 amOSL - IAD

1 stop15h 05mDelta

Deal found 3/27

$617

Thu 4/33:55 pmIAD - OSL

2 stops14h 20mUnited Airlines

Sun 4/66:50 amOSL - IAD

2 stops34h 21mUnited Airlines

Deal found 3/27

$624

Thu 4/1710:40 pmIAD - OSL

1 stop19h 15mAmerican Airlines

Mon 4/288:00 amOSL - IAD

1 stop15h 35mAmerican Airlines

Deal found 3/27

$629

Sun 4/273:55 pmIAD - OSL

2 stops16h 50mAir Canada

Sun 5/46:50 amOSL - IAD

2 stops32h 49mAir Canada

Deal found 3/27

$640

Tue 8/265:10 pmIAD - OSL

2 stops18h 55mLufthansa

Wed 9/37:15 amOSL - IAD

1 stop18h 10mLufthansa

Deal found 3/26

$650

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 March 28, 2025.

Thu 4/248:30 pmIAD - OSL

1 stop10h 05mIcelandair

Thu 5/11:50 pmOSL - IAD

1 stop11h 30mIcelandair

Deal found 3/27

$491

Tue 4/1510:05 pmIAD - OSL

1 stop10h 05mScandinavian Airlines

Wed 4/306:30 pmOSL - IAD

1 stop31h 29mScandinavian Airlines

Deal found 3/26

$511

Mon 4/288:30 pmIAD - OSL

3 stops17h 20mMultiple Airlines

Tue 5/66:50 pmOSL - IAD

1 stop26h 30mMultiple Airlines

Deal found 3/27

$571

Thu 4/38:45 pmIAD - OSL

1 stop21h 10mSWISS

Sun 4/65:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 3/27

$604

Tue 5/1310:40 pmIAD - OSL

1 stop18h 45mBritish Airways

Tue 5/207:45 amOSL - IAD

1 stop14h 00mBritish Airways

Deal found 3/27

$610

Thu 4/33:55 pmIAD - OSL

2 stops14h 20mUnited Airlines

Sun 4/66:50 amOSL - IAD

2 stops34h 21mUnited Airlines

Deal found 3/27

$624

Mon 5/129:20 pmIAD - OSL

1 stop13h 20mDelta

Mon 5/196:00 amOSL - IAD

2 stops19h 39mDelta

Deal found 3/27

$625

Thu 4/1710:40 pmIAD - OSL

1 stop19h 15mAmerican Airlines

Mon 4/288:00 amOSL - IAD

1 stop15h 35mAmerican Airlines

Deal found 3/27

$629

Sun 4/273:55 pmIAD - OSL

2 stops16h 50mAir Canada

Sun 5/46:50 amOSL - IAD

2 stops32h 49mAir Canada

Deal found 3/27

$640

Thu 4/175:25 pmIAD - OSL

1 stop21h 30mKLM

Tue 4/225:20 pmOSL - IAD

1 stop28h 15mKLM

Deal found 3/27

$647

Wed 5/1410:20 pmIAD - OSL

2 stops19h 30mLufthansa

Wed 5/287:15 amOSL - IAD

1 stop18h 10mLufthansa

Deal found 3/27

$674

Mon 3/3110:20 pmIAD - OSL

1 stop13h 30mTAP AIR PORTUGAL

Thu 4/312:50 pmOSL - IAD

1 stop14h 00mTAP AIR PORTUGAL

Deal found 3/27

$715

Last-minute flights from Dulles Intl to Oslo
Discover last-minute flight deals from Dulles Intl to Oslo. Data last updated March 28, 2025 and is based on user searches.

Fri 3/289:45 pmIAD - OSL

1 stop15h 15mSWISS

Fri 4/45:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 3/27

$569

Mon 3/3110:20 pmIAD - OSL

1 stop13h 30mTAP AIR PORTUGAL

Thu 4/312:50 pmOSL - IAD

1 stop14h 00mTAP AIR PORTUGAL

Deal found 3/27

$715

Tue 4/110:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Sun 4/132:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 3/27

$921

Tue 4/111:05 pmIAD - TRF

2 stops14h 50mMultiple Airlines

Sun 4/139:00 amTRF - IAD

2 stops15h 55mMultiple Airlines

Deal found 3/27

$1,464

Thu 4/38:45 pmIAD - OSL

1 stop21h 10mSWISS

Sun 4/65:40 amOSL - IAD

1 stop16h 35mSWISS

Deal found 3/27

$604

Thu 4/33:55 pmIAD - OSL

2 stops14h 20mMultiple Airlines

Sun 4/65:40 amOSL - IAD

1 stop16h 35mMultiple Airlines

Deal found 3/27

$609

Thu 4/33:55 pmIAD - OSL

2 stops14h 20mUnited Airlines

Sun 4/66:50 amOSL - IAD

2 stops34h 21mUnited Airlines

Deal found 3/27

$624

Thu 4/36:10 pmIAD - OSL

1 stop12h 05mLufthansa

Sun 4/69:50 amOSL - IAD

1 stop12h 00mLufthansa

Deal found 3/27

$809

Thu 4/39:40 pmIAD - OSL

3 stops29h 05mEthiopian Air

Sun 4/67:45 pmOSL - IAD

3 stops43h 10mEthiopian Air

Deal found 3/27

$2,002

Sun 4/65:25 pmIAD - OSL

1 stop21h 30mKLM

Sat 4/122:15 pmOSL - IAD

1 stop31h 20mKLM

Deal found 3/27

$747

Tue 4/1510:05 pmIAD - OSL

1 stop10h 05mScandinavian Airlines

Wed 4/306:30 pmOSL - IAD

1 stop31h 29mScandinavian Airlines

Deal found 3/26

$511

Thu 4/1710:40 pmIAD - OSL

1 stop19h 15mBritish Airways

Thu 4/247:45 amOSL - IAD

1 stop15h 50mBritish Airways

Deal found 3/27

$621

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 March 28, 2025.

Sat 7/58:30 pmIAD - OSL

1 stop12h 55mIcelandair

Deal found 3/27

$221

Mon 5/58:30 pmIAD - TRF

2 stops15h 25mMultiple Airlines

Deal found 3/26

$307

Sat 7/58:30 pmIAD - OSL

2 stops20h 40mMultiple Airlines

Deal found 3/27

$318

Tue 9/210:20 pmIAD - OSL

1 stop31h 40mTAP AIR PORTUGAL

Deal found 3/27

$347

Wed 5/1410:20 pmIAD - OSL

1 stop13h 45mLufthansa

Deal found 3/27

$426

Sun 5/1110:40 pmIAD - OSL

1 stop19h 00mBritish Airways

Deal found 3/28

$480

Fri 7/189:20 pmIAD - OSL

1 stop20h 00mAir France

Deal found 3/27

$482

Wed 4/164:07 pmIAD - OSL

2 stops19h 58mAir Canada

Deal found 3/27

$485

Wed 5/1410:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Deal found 3/27

$501

Fri 7/188:45 pmIAD - OSL

2 stops21h 05mUnited Airlines

Deal found 3/27

$512

Sun 6/810:05 pmIAD - OSL

2 stops14h 45mScandinavian Airlines

Deal found 3/27

$513

Wed 6/186:30 pmIAD - OSL

1 stop16h 10mDelta

Deal found 3/27

$612

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

Wed 8/27

10:05 pm-2:20 pm

1 stop10h 15m

Oslo Sandefjord

Mon 9/8

2:55 pm-7:59 pm

1 stop11h 04m

$481

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 4/24

8:30 pm-12:35 pm

1 stop10h 05m

Oslo Gardermoen

Thu 5/1

1:50 pm-7:20 pm

1 stop11h 30m

$491

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 4/15

10:05 pm-2:10 pm

1 stop10h 05m

Oslo Gardermoen

Wed 4/30

6:30 pm-7:59 pm

1 stop31h 29m

$511

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 4/28

8:30 pm-7:50 pm

3 stops17h 20m

Oslo Gardermoen

Tue 5/6

6:50 pm-3:20 pm

1 stop26h 30m

$571

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 4/3

8:45 pm-11:55 pm

1 stop21h 10m

Oslo Gardermoen

Sun 4/6

5:40 am-4:15 pm

1 stop16h 35m

$604

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

6:10 am-7:59 pm

2 stops19h 49m

$606

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 5/13

10:40 pm-11:25 pm

1 stop18h 45m

Oslo Gardermoen

Tue 5/20

7:45 am-3:45 pm

1 stop14h 00m

$610

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 4/3

3:55 pm-12:15 pm

2 stops14h 20m

Oslo Gardermoen

Sun 4/6

6:50 am-11:11 am

2 stops34h 21m

$624

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 5/12

9:20 pm-4:40 pm

1 stop13h 20m

Oslo Gardermoen

Mon 5/19

6:00 am-7:39 pm

2 stops19h 39m

$625

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 4/17

10:40 pm-11:55 pm

1 stop19h 15m

Oslo Gardermoen

Mon 4/28

8:00 am-5:35 pm

1 stop15h 35m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 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 $1,110). 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 SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta

8.0

Very good

7,896 reviews

Delta

8.0

Very good

7,896 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

1,321 reviews

Delta

8.0

Very good

7,896 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

1,570 reviews

Delta

8.0

Very good

7,896 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.

Air France

7.4

Good

1,424 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,896 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 $491 on this airline. Additional options worth looking into are Scandinavian Airlines and SWISS, starting at $511 and $604 round-trip. These flights start at 25% 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 $221. TAP AIR PORTUGAL flights start at $347 while deals on Lufthansa start at $426 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 $55 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 $1,110). 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
Icelandair	Cheapest$405	Average$625	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$406	Average$642	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$501	Average$591	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$514	Average$733	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$535	Average$717	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$542	Average$680	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$545	Average$751	FlexibilityNo cancel fee	On-time69%
Air France	Cheapest$566	Average$640	FlexibilityNo cancel fee	On-time77%
JetBlue	Cheapest$942	Average$1,387	FlexibilityNo cancel fee	On-time62%

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$221+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Oslo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Oslo are usually found in April or November, booked 32 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to Oslo

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Oslo

Cheapest flights from Dulles Intl to OsloExplore the most affordable flight options available from Dulles Intl to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 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 March 28, 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 March 21, 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 March 28, 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 March 28, 2025.

Read through reviews of airlines operating flights from Washington, D.C. to Oslo, such as Delta, KLM and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Oslo round-trip?

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

Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Oslo?

What are some popular things to do or see while on a layover in Reykjavik?

Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Oslo flights?

Can I find deals for flights from Dulles Intl to Oslo that include hotel bookings?

How can I find direct flights from Dulles Intl to Oslo?

Can I find deals for business class flights from Dulles Intl to Oslo?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Oslo?

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Alternative routes for Dulles Intl to Oslo

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Top 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 March 28, 2025.