$928+ Cheap flights from Washington 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OUL
Dec 2 — Dec 91
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington to Oulu
Keep the following information in mind while searching for Washington to Oulu flight deals. Data was last updated November 2, 2025.
Round-trip from | $928 (Finnair) |
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Find flight deals from Washington to Oulu
Best flights from Washington to OuluDiscover carefully curated flight deals from Washington to Oulu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2025.
Discover carefully curated flight deals from Washington to Oulu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2025.
This Finnair deal was found by Cheapflights users on 10/31. 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 4/16:00 amPDX - OUL
2 stops24h 55mFinnair
Sun 4/52:15 pmOUL - PDX
2 stops40h 45mFinnair
Deal found 10/31![Finnair logo]()
$928
This Finnair deal was found by Cheapflights users on 10/31. 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 3/281:48 pmSEA - OUL
2 stops17h 52mFinnair
Wed 4/12:15 pmOUL - SEA
2 stops18h 53mFinnair
Deal found 10/31![Finnair logo]()
$1,356
Cheapflights Fare Finder
Customize your flight search to find flights from Washington 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 2, 2025.
Use the filters below to find and compare flights from Washington to Oulu that are best for you.
Fly from
Washington
Fly to
Oulu
Route
Depart
Return
Price
PortlandOulu
PDX - OUL
PDXOUL
Portland
Wed 4/1
6:00 am-4:55 pm
2 stops24h 55m
Oulu
Sun 4/5
2:15 pm-9:00 pm
2 stops40h 45m
$928
SeattleOulu
SEA - OUL
SEAOUL
Seattle/Tacoma Intl
Sat 3/28
1:48 pm-4:40 pm
2 stops17h 52m
Oulu
Wed 4/1
2:15 pm-11:08 pm
2 stops18h 53m
$1,356
Best time to book a flight from Washington to Oulu
Have a flexible travel schedule? Discover the best time to fly to Oulu from Washington 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
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