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$837+ Cheap flights from Dulles Intl (IAD) to Oulu (OUL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OUL
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Dulles Intl to Oulu

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Oulu (OUL). 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 April 29, 2025.

Round-trip from

$837
(American Airlines)
From Washington, D.C. Dulles Intl to Oulu
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Find flight deals from Dulles Intl to Oulu

Cheapest flights from Dulles Intl to Oulu
Explore the most affordable flight options available from Dulles Intl to Oulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

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.
Wed 8/1310:40 pmIAD - OUL
2 stops19h 20mMultiple Airlines
Wed 12/175:35 amOUL - IAD
2 stops17h 00mMultiple Airlines
Deal found 4/29$837
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2210:40 pmIAD - OUL
2 stops19h 20mFinnair
Mon 12/229:35 pmOUL - IAD
2 stops25h 00mFinnair
Deal found 4/29$1,090

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Oulu 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 April 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Oulu that are best for you.

Fly from

Dulles Intl

Fly to

Oulu

Route

Depart

Return

Price

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Wed 8/13

10:40 pm-1:00 am

2 stops19h 20m

Oulu

Wed 12/17

5:35 am-3:35 pm

2 stops17h 00m

$837

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Fri 8/22

10:40 pm-1:00 am

2 stops19h 20m

Oulu

Mon 12/22

9:35 pm-3:35 pm

2 stops25h 00m

$1,090

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Best time to book a flight from Dulles Intl to Oulu

Have a flexible travel schedule? Discover the best time to fly to Oulu 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 Oulu

Rainfall in Oulu by month

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

In terms of precipitation, rainfall in Oulu ranges from 0.4 - 2.4 inches per month. August is typically the wettest month, when rainfall can reach 2.4 in. April is typically the driest time to visit Oulu when rainfall is around 0.4 in.

Temperature in Oulu by month

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

If weather is an important factor for your trip to Oulu, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

Reviews of airlines servicing Oulu

Get insights into the airlines that provide service to Oulu. 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 Oulu. Reviews last updated April 29, 2025.
Finnair
7.6
Good
1,273 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Comfort

7.4

Crew

8.1

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,273 reviews
Finnair
7.6
Good
1,273 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Comfort

7.4

Crew

8.1

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Related info for your journey

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

  • What airport do you fly into for flights to Oulu from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Oulu, you will be flying into Oulu. Oulu (OUL) is just 6.5 mi from the center of the city. Oulu is the only Oulu airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Oulu from Washington, D.C. Dulles Intl on a regular basis.

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

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

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

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

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

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

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