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Dulles Intl

$273+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — IAD
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Oslo to Washington, D.C. Dulles Intl are usually found in January or September, booked 80 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 abril 30, 2025.

Round-trip from

$440
(Mytrip)

One-way from

$273
(oojo)

Popular in

July

Cheapest in

January

Average price

$518
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. 12% potential increase in price ($77 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 April 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 abril 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/29. 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.
vie. 5/234:30 pmOSL - IAD
1 stop11h 40mIcelandair
lun. 5/268:30 pmIAD - OSL
1 stop10h 05mIcelandair
Deal found 4/29$440
This Finnair deal was found by Cheapflights users on 4/28. 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.
dom. 5/117:45 amOSL - IAD
1 stop18h 25mFinnair
mar. 5/2710:40 pmIAD - OSL
1 stop18h 45mFinnair
Deal found 4/28$451
This American Airlines deal was found by Cheapflights users on 4/29. 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.
dom. 5/117:45 amOSL - IAD
1 stop18h 25mAmerican Airlines
mar. 5/2710:40 pmIAD - OSL
1 stop18h 45mAmerican Airlines
Deal found 4/29$453
This Delta deal was found by Cheapflights users on 4/29. 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.
vie. 5/236:30 amOSL - IAD
2 stops19h 12mDelta
lun. 5/269:20 pmIAD - OSL
1 stop13h 20mDelta
Deal found 4/29$459
This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/147:40 amOSL - IAD
2 stops17h 52mBritish Airways
dom. 5/1810:40 pmIAD - OSL
1 stop19h 00mBritish Airways
Deal found 4/28$460
This Travelis deal was found by Cheapflights users on 4/29. 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.
mié. 6/47:15 amOSL - IAD
1 stop14h 05mLufthansa
jue. 6/126:10 pmIAD - OSL
1 stop17h 50mLufthansa
Deal found 4/29$466
This Mytrip deal was found by Cheapflights users on 4/28. 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.
jue. 6/56:35 amOSL - IAD
2 stops15h 44mMultiple Airlines
sáb. 6/218:45 pmIAD - OSL
1 stop21h 10mMultiple Airlines
Deal found 4/28$473
This United Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 5/236:35 amOSL - IAD
2 stops34h 39mUnited Airlines
lun. 5/263:40 pmIAD - OSL
2 stops19h 35mUnited Airlines
Deal found 4/29$476
This Flysmarter deal was found by Cheapflights users on 4/28. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/46:50 amOSL - IAD
2 stops15h 29mAir Canada
jue. 6/123:25 pmIAD - OSL
1 stop11h 35mAir Canada
Deal found 4/28$519
This SWISS deal was found by Cheapflights users on 4/28. 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.
lun. 7/145:40 amOSL - IAD
1 stop16h 35mSWISS
lun. 7/288:45 pmIAD - OSL
1 stop21h 10mSWISS
Deal found 4/28$522
This lol.travel deal was found by Cheapflights users on 4/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/52:55 pmTRF - IAD
1 stop11h 04mScandinavian Airlines
sáb. 6/2110:05 pmIAD - TRF
1 stop10h 15mScandinavian Airlines
Deal found 4/28$524
This Austrian Airlines deal was found by Cheapflights users on 4/28. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/158:15 pmOSL - IAD
1 stop24h 20mAustrian Airlines
lun. 7/285:25 pmIAD - OSL
1 stop20h 05mAustrian Airlines
Deal found 4/28$534

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 abril 30, 2025.
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

vie. 5/23

4:30 pm-10:10 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

lun. 5/26

8:30 pm-12:35 pm

1 stop10h 05m

$440

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

dom. 5/11

7:45 am-8:10 pm

1 stop18h 25m

Washington, D.C. Dulles Intl

mar. 5/27

10:40 pm-11:25 pm

1 stop18h 45m

$451

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

dom. 5/11

7:45 am-8:10 pm

1 stop18h 25m

Washington, D.C. Dulles Intl

mar. 5/27

10:40 pm-11:25 pm

1 stop18h 45m

$453

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

vie. 5/23

6:30 am-7:42 pm

2 stops19h 12m

Washington, D.C. Dulles Intl

lun. 5/26

9:20 pm-4:40 pm

1 stop13h 20m

$459

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

mié. 5/14

7:40 am-7:32 pm

2 stops17h 52m

Washington, D.C. Dulles Intl

dom. 5/18

10:40 pm-11:40 pm

1 stop19h 00m

$460

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

mié. 6/4

7:15 am-3:20 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

jue. 6/12

6:10 pm-6:00 pm

1 stop17h 50m

$466

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

jue. 6/5

6:35 am-4:19 pm

2 stops15h 44m

Washington, D.C. Dulles Intl

sáb. 6/21

8:45 pm-11:55 pm

1 stop21h 10m

$473

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

vie. 5/23

6:35 am-11:14 am

2 stops34h 39m

Washington, D.C. Dulles Intl

lun. 5/26

3:40 pm-5:15 pm

2 stops19h 35m

$476

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

mié. 6/4

6:50 am-4:19 pm

2 stops15h 29m

Washington, D.C. Dulles Intl

jue. 6/12

3:25 pm-9:00 am

1 stop11h 35m

$519

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

lun. 7/14

5:40 am-4:15 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

lun. 7/28

8:45 pm-11:55 pm

1 stop21h 10m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 34 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 April 25, 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 80 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 $373). 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 abril 30, 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 abril 30, 2025.
Get a feel of what it's like to fly with Delta, Finnair and Austrian 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
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 Icelandair. Our recent data shows that you can find tickets from as low as $440 on this airline. Additional options worth looking into are Finnair and American Airlines, starting at $451 and $453 round-trip. These flights start at 16% 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?

    $273 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Scandinavian Airlines and Icelandair, with prices starting from $413 and $466, 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 $373). 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$319Average$533FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$354Average$578FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$407Average$525FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$448Average$535FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$459Average$651FlexibilityNo cancel feeOn-time69%

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