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$639+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OUL
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
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 November 18, 2025.

Round-trip from

$639
(Finnair)
From Washington, D.C. Dulles Intl to Oulu
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Find flight deals from Dulles Intl to Oulu

Best flights from Dulles Intl to Oulu
Discover carefully curated flight deals from Dulles Intl to Oulu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 18, 2025.

This Finnair deal was found by Cheapflights users on 11/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:40 pmIAD - OUL
2 stops24h 20mFinnair
Tue 5/127:25 amOUL - IAD
2 stops19h 55mFinnair
Deal found 11/17$639
This Turkish Airlines deal was found by Cheapflights users on 11/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/272:30 pmIAD - OUL
2 stops28h 35mTurkish Airlines
Tue 3/317:55 amOUL - IAD
2 stops34h 40mTurkish Airlines
Deal found 11/16$1,164
This Gotogate deal was found by Cheapflights users on 11/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 pmIAD - OUL
1 stop15h 00mMultiple Airlines
Tue 5/127:55 amOUL - IAD
2 stops42h 50mMultiple Airlines
Deal found 11/17$1,285

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 November 18, 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

Fri 5/1

5:40 pm-1:00 am

2 stops24h 20m

Oulu

Tue 5/12

7:25 am-8:20 pm

2 stops19h 55m

$639

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Fri 3/27

2:30 pm-1:05 am

2 stops28h 35m

Oulu

Tue 3/31

7:55 am-11:35 am

2 stops34h 40m

$1,164

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Fri 5/1

6:00 pm-4:00 pm

1 stop15h 00m

Oulu

Tue 5/12

7:55 am-7:45 pm

2 stops42h 50m

$1,285

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

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.

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.

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

    Airlines like Finnair and Turkish Airlines fly from Washington, D.C. Dulles Intl Airport to Oulu in about 24h 20m. The time it takes to get you to your destination can typically vary by up to 4h 15m. The distance from Washington, D.C. Dulles Intl Airport to Oulu is about 4159 mi. This flight may include one or multiple stops.

  • 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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