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Dulles Intl

$296+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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 8, 2026.

Round-trip from

$320
(Ticket)

One-way from

$296
(Travelis)

Popular in

July

Cheapest in

April

Average price

$556
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. 11% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 8, 2026.

This Ticket deal was found by Cheapflights users on 1/7. 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.
Thu 2/55:55 amOSL - IAD
1 stop17h 20mScandinavian Airlines
Wed 2/188:30 pmIAD - OSL
1 stop17h 50mScandinavian Airlines
Deal found 1/7$320
This ResecentrumGruppen deal was found by Cheapflights users on 1/6. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/82:00 pmTRF - IAD
1 stop33h 15mScandinavian Airlines
Mon 2/238:30 pmIAD - TRF
1 stop11h 35mScandinavian Airlines
Deal found 1/6$344
This ResecentrumGruppen deal was found by Cheapflights users on 1/6. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/86:55 pmOSL - IAD
1 stop28h 20mScandinavian Airlines
Mon 2/238:30 pmIAD - OSL
1 stop12h 50mScandinavian Airlines
Deal found 1/6$346
This Scandinavian Airlines deal was found by Cheapflights users on 1/7. 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.
Thu 4/163:05 pmTRF - IAD
1 stop31h 45mScandinavian Airlines
Mon 4/208:20 pmIAD - TRF
1 stop12h 10mScandinavian Airlines
Deal found 1/7$388
This Scandinavian Airlines deal was found by Cheapflights users on 1/7. 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.
Wed 4/2211:00 amOSL - IAD
1 stop11h 50mScandinavian Airlines
Sun 4/268:20 pmIAD - OSL
1 stop17h 55mScandinavian Airlines
Deal found 1/7$390
This Travelis deal was found by Cheapflights users on 1/7. 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.
Tue 2/172:35 pmTRF - IAD
1 stop32h 40mScandinavian Airlines
Wed 2/258:30 pmIAD - TRF
1 stop11h 35mScandinavian Airlines
Deal found 1/7$432
This Ticket deal was found by Cheapflights users on 1/6. 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 2/87:20 amOSL - IAD
1 stop14h 15mBritish Airways
Mon 2/239:18 amIAD - OSL
2 stops31h 22mBritish Airways
Deal found 1/6$433
This Travelis deal was found by Cheapflights users on 1/7. 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.
Tue 2/172:35 pmTRF - IAD
1 stop32h 40mScandinavian Airlines
Mon 2/238:30 pmIAD - TRF
1 stop11h 35mScandinavian Airlines
Deal found 1/7$434
This FlightHub deal was found by Cheapflights users on 1/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/32:35 pmTRF - IAD
1 stop32h 40mScandinavian Airlines
Tue 2/1012:23 pmIAD - TRF
2 stops19h 42mScandinavian Airlines
Deal found 1/6$498
This Trip.com deal was found by Cheapflights users on 1/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/83:20 pmTRF - IAD
2 stops30h 45mKLM
Mon 2/236:05 pmIAD - TRF
2 stops17h 55mKLM
Deal found 1/7$696
This oojo deal was found by Cheapflights users on 1/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/161:50 pmTRF - IAD
1 stop33h 00mScandinavian Airlines
Fri 7/318:20 pmIAD - TRF
1 stop14h 15mScandinavian Airlines
Deal found 1/7$775

Cheapflights Fare Finder

 
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 8, 2026.
Use the filters below to find and compare flights from Oslo to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Oslo

Fly to

Dulles Intl

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 2/5

5:55 am-5:15 pm

1 stop17h 20m

Washington, D.C. Dulles Intl

Wed 2/18

8:30 pm-8:20 pm

1 stop17h 50m

$320

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

Sun 2/8

2:00 pm-5:15 pm

1 stop33h 15m

Washington, D.C. Dulles Intl

Mon 2/23

8:30 pm-2:05 pm

1 stop11h 35m

$344

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 2/8

6:55 pm-5:15 pm

1 stop28h 20m

Washington, D.C. Dulles Intl

Mon 2/23

8:30 pm-3:20 pm

1 stop12h 50m

$346

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

Thu 4/16

3:05 pm-4:50 pm

1 stop31h 45m

Washington, D.C. Dulles Intl

Mon 4/20

8:20 pm-2:30 pm

1 stop12h 10m

$388

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

Wed 4/22

3:05 pm-4:50 pm

1 stop31h 45m

Washington, D.C. Dulles Intl

Sun 4/26

8:20 pm-12:25 am

1 stop22h 05m

$388

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Wed 4/22

11:00 am-4:50 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Sun 4/26

8:20 pm-8:15 pm

1 stop17h 55m

$390

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

Tue 2/17

2:35 pm-5:15 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Wed 2/25

8:30 pm-2:05 pm

1 stop11h 35m

$432

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Tue 2/17

7:25 pm-3:35 pm

1 stop26h 10m

Washington, D.C. Dulles Intl

Tue 2/24

6:20 pm-10:40 pm

1 stop22h 20m

$434

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

Tue 2/17

2:35 pm-5:15 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Mon 2/23

8:30 pm-2:05 pm

1 stop11h 35m

$434

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 1/25

9:30 pm-6:30 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Tue 2/10

7:40 pm-11:35 am

1 stop9h 55m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 35 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.

Cheapflights Insights

Everything you need to know about your flight from Oslo to Washington, D.C. Dulles Intl Airport

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 2, 2026.

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 36 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, October is the cheapest month in which you can book a flight from Oslo to Washington, D.C. Dulles Intl Airport (average of $322). Flying from Oslo to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $481). 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.

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

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 8, 2026.
See what other customers who have flown with United Airlines, Scandinavian Airlines, and Lufthansa from Oslo to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,142 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,142 reviews
United Airlines
7.4
Good
9,142 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Scandinavian Airlines
7.3
Good
1,637 reviews
United Airlines
7.4
Good
9,142 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Lufthansa
6.8
Okay
7,698 reviews
United Airlines
7.4
Good
9,142 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
British Airways
6.7
Okay
7,659 reviews
United Airlines
7.4
Good
9,142 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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.

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

    A quick flight from Oslo to Washington, D.C. Dulles Intl Airport can take about 17h 20m. Scandinavian Airlines provides one of the quickest options available for as low as $320. The distance from Oslo to Washington, D.C. Dulles Intl Airport is about 3885 mi.

  • 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 British Airways. Our recent data shows that you can find tickets from as low as $438 on this airline. Additional options worth looking into are Scandinavian Airlines and Lufthansa, starting at $438 and $448 round-trip. These flights start at 24% 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?

    $283 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Icelandair and Scandinavian Airlines, with prices starting from $439 and $485, 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, October is the cheapest month in which you can book a flight from Oslo to Washington, D.C. Dulles Intl Airport (average of $322). Flying from Oslo to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $481). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

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Top 4 airlines flying from Oslo to Dulles Intl

Discover the top 4 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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$438Average$586FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$438Average$664FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$448Average$494FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$459Average$514FlexibilityNo cancel feeOn-time69%

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