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Oulu

$694+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OUL
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheap 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 February 20, 2026.

This Finnair deal was found by Cheapflights users on 2/18. 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 10/257:20 pm
IAD
-
OUL
2 stops20h 40m
Finnair
Fri 10/3010:15 pm
OUL
-
IAD
2 stops24h 20m
Finnair
Deal found 2/18$694
This Finnair deal was found by Cheapflights users on 2/18. 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.
Sat 10/2410:45 pm
IAD
-
OUL
2 stops27h 40m
Finnair
Sat 10/3110:40 pm
OUL
-
IAD
2 stops28h 15m
Finnair
Deal found 2/18$706
This KAYAK deal was found by Cheapflights users on 2/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:10 pm
IAD
-
OUL
2 stops57h 50m
Turkish Airlines
Fri 11/64:45 pm
OUL
-
IAD
2 stops50h 00m
Turkish Airlines
Deal found 2/17$830
This oojo deal was found by Cheapflights users on 2/18. 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.
Sun 4/59:45 pm
IAD
-
OUL
2 stops32h 50m
Turkish Airlines
Sun 4/125:35 pm
OUL
-
IAD
2 stops49h 00m
Turkish Airlines
Deal found 2/18$852
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:20 pm
IAD
-
OUL
2 stops20h 45m
Turkish Airlines
Fri 10/304:45 pm
OUL
-
IAD
2 stops26h 00m
Turkish Airlines
Deal found 2/18$863
This oojo deal was found by Cheapflights users on 2/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:25 pm
IAD
-
OUL
2 stops19h 35m
British Airways
Thu 4/95:40 am
OUL
-
IAD
2 stops21h 40m
British Airways
Deal found 2/16$877
This Finnair deal was found by Cheapflights users on 2/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:45 pm
IAD
-
OUL
2 stops26h 10m
Finnair
Sun 3/86:05 pm
OUL
-
IAD
2 stops28h 30m
Finnair
Deal found 2/16$966
This Mytrip deal was found by Cheapflights users on 2/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 pm
IAD
-
OUL
3 stops29h 55m
Multiple Airlines
Sun 3/810:25 pm
OUL
-
IAD
3 stops24h 25m
Multiple Airlines
Deal found 2/16$967
This Turkish Airlines deal was found by Cheapflights users on 2/16. 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 4/249:45 pm
IAD
-
OUL
2 stops40h 50m
Turkish Airlines
Tue 4/285:35 pm
OUL
-
IAD
2 stops25h 00m
Turkish Airlines
Deal found 2/16$1,009
This KAYAK deal was found by Cheapflights users on 2/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1710:45 pm
IAD
-
OUL
2 stops20h 20m
Finnair
Tue 3/243:25 pm
OUL
-
IAD
2 stops31h 10m
Finnair
Deal found 2/19$1,051

Find 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 February 20, 2026.

Round-trip from

$852
(oojo)
From Washington, D.C. Dulles Intl to Oulu
Search Deals

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 February 20, 2026.
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

Sun 4/5

9:45 pm-1:35 pm

2 stops32h 50m

Oulu

Sun 4/12

5:35 pm-11:35 am

2 stops49h 00m

$852

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Thu 4/2

10:25 pm-1:00 am

2 stops19h 35m

Oulu

Thu 4/9

5:40 am-8:20 pm

2 stops21h 40m

$877

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Wed 3/4

9:45 pm-6:55 am

2 stops26h 10m

Oulu

Sun 3/8

6:05 pm-4:35 pm

2 stops28h 30m

$966

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Wed 3/4

6:00 pm-6:55 am

3 stops29h 55m

Oulu

Sun 3/8

10:25 pm-4:50 pm

3 stops24h 25m

$967

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Fri 4/24

9:45 pm-9:35 pm

2 stops40h 50m

Oulu

Tue 4/28

5:35 pm-11:35 am

2 stops25h 00m

$1,009

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Tue 3/17

10:45 pm-1:05 am

2 stops20h 20m

Oulu

Tue 3/24

3:25 pm-4:35 pm

2 stops31h 10m

$1,051

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Sun 4/26

9:45 pm-1:35 pm

2 stops32h 50m

Oulu

Thu 4/30

7:55 am-11:35 am

2 stops34h 40m

$1,123

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Thu 6/18

11:59 am-1:35 pm

2 stops18h 36m

Oulu

Wed 7/1

10:50 am-8:20 pm

2 stops16h 30m

$1,229

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Sun 4/5

8:30 pm-10:10 am

3 stops30h 40m

Oulu

Sun 4/12

5:35 pm-11:35 am

2 stops25h 00m

$1,330

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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 Turkish Airlines, British Airways, and Finnair fly from Washington, D.C. Dulles Intl Airport to Oulu in about 19h 35m. The time it takes to get you to your destination can typically vary by up to 13h 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.

See more FAQs

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