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Dulles Intl

$325+ Cheap flights from Oslo to Dulles Intl (IAD)

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Oslo to Washington, D.C. Dulles Intl are usually found in January or April, booked 79 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from Oslo to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) to Dulles Intl (IAD). 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 January 21, 2025.

Round-trip from

$369
(Ticket)

One-way from

$325
(StudentUniverse)

Popular in

July

Cheapest in

January

Average price

$414
From Oslo to Washington, D.C. Dulles Intl
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One-way flight from Oslo to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 16% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Oslo to Dulles Intl

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

This Ticket deal was found by Cheapflights users on 1/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/912:40 pmOSL - IAD
1 stop33h 05mKLM
Mon 2/245:35 pmIAD - OSL
1 stop12h 20mKLM
Deal found 1/20$369
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/912:40 pmOSL - IAD
1 stop33h 05mMultiple Airlines
Tue 2/256:40 pmIAD - OSL
1 stop22h 55mMultiple Airlines
Deal found 1/21$371
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/97:15 amOSL - IAD
1 stop14h 20mBritish Airways
Tue 2/255:26 pmIAD - OSL
2 stops14h 49mBritish Airways
Deal found 1/21$387
This Finnair deal was found by Cheapflights users on 1/20. 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.
Sun 2/97:15 amOSL - IAD
1 stop18h 30mFinnair
Mon 2/246:00 pmIAD - OSL
1 stop22h 40mFinnair
Deal found 1/20$406
This Delta deal was found by Cheapflights users on 1/20. 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.
Wed 3/199:20 amOSL - IAD
1 stop12h 25mDelta
Wed 3/267:59 pmIAD - OSL
2 stops17h 51mDelta
Deal found 1/20$408
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 2/97:15 amOSL - IAD
1 stop18h 30mAmerican Airlines
Mon 2/246:00 pmIAD - OSL
1 stop10h 55mAmerican Airlines
Deal found 1/20$413
This Travelis deal was found by Cheapflights users on 1/20. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/96:20 amOSL - IAD
1 stop20h 00mLufthansa
Mon 2/245:50 pmIAD - OSL
1 stop17h 45mLufthansa
Deal found 1/20$420
This Air France deal was found by Cheapflights users on 1/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/96:20 amOSL - IAD
2 stops15h 25mAir France
Mon 2/246:30 pmIAD - OSL
1 stop15h 55mAir France
Deal found 1/20$428
This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/82:55 pmTRF - IAD
1 stop11h 04mScandinavian Airlines
Mon 4/1410:05 pmIAD - TRF
1 stop10h 15mScandinavian Airlines
Deal found 1/21$440
This United Airlines deal was found by Cheapflights users on 1/21. 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 4/99:50 amOSL - IAD
2 stops31h 49mUnited Airlines
Sun 4/1311:05 pmIAD - OSL
1 stop17h 05mUnited Airlines
Deal found 1/21$441
This SWISS deal was found by Cheapflights users on 1/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:20 amOSL - IAD
1 stop15h 55mSWISS
Tue 4/226:30 pmIAD - OSL
2 stops23h 25mSWISS
Deal found 1/21$472
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/67:15 amOSL - IAD
2 stops32h 26mAir Canada
Tue 4/2212:40 pmIAD - OSL
2 stops18h 25mAir Canada
Deal found 1/21$501

Find flights from Oslo to Dulles Intl within your budget

Customize your flight search to find flights from Oslo to Dulles Intl 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

12:40 pm-3:45 pm

1 stop33h 05m

Washington, D.C. Dulles Intl

Mon 2/24

5:35 pm-11:55 am

1 stop12h 20m

$369

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

12:40 pm-3:45 pm

1 stop33h 05m

Washington, D.C. Dulles Intl

Tue 2/25

6:40 pm-11:35 pm

1 stop22h 55m

$371

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

7:15 am-3:35 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Tue 2/25

5:26 pm-2:15 pm

2 stops14h 49m

$387

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

7:15 am-7:45 pm

1 stop18h 30m

Washington, D.C. Dulles Intl

Mon 2/24

6:00 pm-10:40 pm

1 stop22h 40m

$406

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 3/19

9:20 am-4:45 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Wed 3/26

7:59 pm-6:50 pm

2 stops17h 51m

$408

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

7:15 am-7:45 pm

1 stop18h 30m

Washington, D.C. Dulles Intl

Mon 2/24

6:00 pm-10:55 am

1 stop10h 55m

$413

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

6:20 am-8:20 pm

1 stop20h 00m

Washington, D.C. Dulles Intl

Mon 2/24

5:50 pm-5:35 pm

1 stop17h 45m

$420

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/9

6:20 am-3:45 pm

2 stops15h 25m

Washington, D.C. Dulles Intl

Mon 2/24

6:30 pm-4:25 pm

1 stop15h 55m

$428

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

Tue 4/8

2:55 pm-7:59 pm

1 stop11h 04m

Washington, D.C. Dulles Intl

Mon 4/14

10:05 pm-2:20 pm

1 stop10h 15m

$440

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 4/9

9:50 am-11:39 am

2 stops31h 49m

Washington, D.C. Dulles Intl

Sun 4/13

11:05 pm-10:10 pm

1 stop17h 05m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 29 results
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Best time to book a flight from Oslo to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Oslo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Oslo to Dulles Intl

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

How far ahead should I book a flight from Oslo to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Oslo to Dulles Intl. Price data was last updated on January 17, 2025.

The price you pay for your flight from Oslo to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Oslo to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Oslo to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 OSL to IAD?

Find hourly flight availability from Oslo to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

It’s typically best to fly out from Oslo to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with KLM and Scandinavian Airlines from Oslo to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Oslo to Dulles Intl. 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 Oslo to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Oslo to Washington, D.C. Dulles Intl Airport is KLM. Our recent data shows that you can find tickets from as low as $369 on this airline. Additional options worth looking into are British Airways and Finnair, starting at $387 and $406 round-trip. These flights start at 29% lower than the current average price 3 months from now.

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

    $325 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and Finnair, with prices starting from $439 and $444, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oslo to Dulles Intl 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 Oslo to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Oslo to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Oslo to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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

Traveling to a place near Oslo?

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Top 5 airlines flying from Oslo to Dulles Intl

Discover the top 5 airlines that operate flights from Oslo to Dulles Intl. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$319Average$542FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$407Average$486FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$433Average$677FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$458Average$582FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$490Average$661FlexibilityNo cancel feeOn-time69%
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