Oslo

$215+ Cheap flights from Dulles Intl (IAD) to Oslo

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSL
Jun 23 — Jun 301
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Oslo are usually found in April or November, booked 79 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 18, 2025.

Round-trip from

$501
(Cheapflightsfares)

One-way from

$215
(CrystalTravel)

Popular in

June

Cheapest in

April

Average price

$761
From Washington, D.C. Dulles Intl to Oslo
One-way flight from Washington, D.C. Dulles Intl to Oslo
Highest demand for flights based on searches. 16% potential increase in price ($117 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Dulles Intl to Oslo

Cheapest flights from Dulles Intl to Oslo
Explore the most affordable flight options available from Dulles Intl to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:05 pmIAD - TRF
1 stop10h 15mScandinavian Airlines
Wed 9/102:55 pmTRF - IAD
1 stop11h 04mScandinavian Airlines
Deal found 6/16$501
This deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2911:15 pmIAD - OSL
1 stop10h 10mIcelandair
Sat 9/131:50 pmOSL - IAD
1 stop11h 30mIcelandair
Deal found 6/18$502
This CheapOair deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:55 amIAD - OSL
2 stops20h 15mAir Canada
Wed 11/121:50 pmOSL - IAD
2 stops32h 04mAir Canada
Deal found 6/15$503
This Scandinavian Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:05 pmIAD - OSL
1 stop10h 05mScandinavian Airlines
Sun 8/243:10 pmOSL - IAD
1 stop10h 49mScandinavian Airlines
Deal found 6/16$517
This Mytrip deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:55 amIAD - OSL
2 stops20h 15mMultiple Airlines
Tue 11/256:15 amOSL - IAD
2 stops19h 24mMultiple Airlines
Deal found 6/16$521
This British Airways deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:40 pmIAD - OSL
1 stop11h 35mBritish Airways
Wed 8/2011:35 amOSL - IAD
1 stop14h 35mBritish Airways
Deal found 6/16$528
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:10 pmIAD - OSL
1 stop12h 35mUnited Airlines
Wed 11/196:05 amOSL - IAD
2 stops16h 16mUnited Airlines
Deal found 6/17$530
This Mytrip deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:05 pmIAD - TRF
2 stops16h 55mMultiple Airlines
Wed 10/226:10 amTRF - IAD
2 stops19h 49mMultiple Airlines
Deal found 6/15$540
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:30 pmIAD - OSL
1 stop11h 20mDelta
Sun 8/2412:45 pmOSL - IAD
1 stop12h 30mDelta
Deal found 6/16$544
This Lufthansa deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:10 pmIAD - OSL
2 stops18h 50mLufthansa
Mon 8/256:45 pmOSL - IAD
1 stop27h 05mLufthansa
Deal found 6/16$557
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:25 pmIAD - OSL
1 stop22h 00mAmerican Airlines
Wed 9/107:40 amOSL - IAD
2 stops17h 11mAmerican Airlines
Deal found 6/18$566
This Finnair deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:40 pmIAD - OSL
1 stop19h 15mFinnair
Sat 9/68:35 amOSL - IAD
2 stops17h 40mFinnair
Deal found 6/16$594

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
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

Dulles Intl

Fly to

Oslo

Route

Depart

Return

Price

Washington, D.C.Oslo

IAD - TRF

IADTRF

Washington, D.C. Dulles Intl

Tue 9/2

10:05 pm-2:20 pm

1 stop10h 15m

Oslo Sandefjord

Wed 9/10

2:55 pm-7:59 pm

1 stop11h 04m

$501

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Fri 8/29

11:15 pm-3:25 pm

1 stop10h 10m

Oslo Gardermoen

Sat 9/13

1:50 pm-7:20 pm

1 stop11h 30m

$502

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/18

10:05 pm-2:10 pm

1 stop10h 05m

Oslo Gardermoen

Sun 8/24

3:10 pm-7:59 pm

1 stop10h 49m

$517

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 8/14

10:40 pm-4:15 pm

1 stop11h 35m

Oslo Gardermoen

Wed 8/20

11:35 am-8:10 pm

1 stop14h 35m

$528

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sat 9/6

9:35 am-12:15 pm

2 stops20h 40m

Oslo Gardermoen

Sat 9/13

5:40 am-4:15 pm

1 stop16h 35m

$541

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 8/17

6:30 pm-11:50 am

1 stop11h 20m

Oslo Gardermoen

Sun 8/24

12:45 pm-7:15 pm

1 stop12h 30m

$544

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 8/18

5:10 pm-6:00 pm

2 stops18h 50m

Oslo Gardermoen

Mon 8/25

6:45 pm-3:50 pm

1 stop27h 05m

$557

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 9/2

1:00 pm-12:15 pm

2 stops17h 15m

Oslo Gardermoen

Mon 9/8

9:50 am-3:50 pm

1 stop12h 00m

$563

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Tue 9/2

7:25 pm-11:25 pm

1 stop22h 00m

Oslo Gardermoen

Wed 9/10

7:40 am-6:51 pm

2 stops17h 11m

$566

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Thu 8/28

10:40 pm-11:55 pm

1 stop19h 15m

Oslo Gardermoen

Sat 9/6

8:35 am-8:15 pm

2 stops17h 40m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 26 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Oslo. Price data was last updated on June 13, 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Oslo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo in June is currently the most expensive (average of $1,009). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to OSL?

Find hourly flight availability from Dulles Intl to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

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

Plan your trip to Oslo by taking into account the average rainfall totals 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

Plan your trip to Oslo by taking into account the average temperature totals 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

Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated June 18, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Oslo, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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!
8.0
Very good
8.0
Very good

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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!
8.0
Very good

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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!
8.0
Very good

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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!
8.0
Very good

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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!
8.0
Very good

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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

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?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Oslo is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $501 on this airline. Additional options worth looking into are Icelandair and British Airways, starting at $505 and $528 round-trip. These flights start at 17% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $215. Air Canada flights start at $404 while deals on TAP AIR PORTUGAL start at $409 one-way.

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

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

    The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $68 per day to make their sightseeing more efficient.

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

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

    Yes. In addition to deals on Dulles Intl to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Oslo.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo in June is currently the most expensive (average of $1,009). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 8 airlines flying from Dulles Intl to Oslo

Discover the top 8 airlines that operate flights from Dulles Intl to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$389Average$603FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$627FlexibilityNo cancel feeOn-time77%
DeltaCheapest$501Average$589FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$512Average$681FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$531Average$739FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$720FlexibilityNo cancel feeOn-time76%
KLMCheapest$542Average$720FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$566Average$616FlexibilityNo cancel feeOn-time77%

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