$653 Cheap Finnair flights Chicago (ORD) to Oulu (OUL)

View $653 flight on Wed, Oct 8, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$653 Cheap Finnair flights Chicago (ORD) to Oulu (OUL)

Prices were available within the past 7 days and start at $653 for one-way flights and $1,039 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Fri, May 1 - Fri, May 8
ORD
Chicago
OUL
Oulu
$1,039 Roundtrip, found 6 days ago
$1,039
Roundtrip
found 6 days ago
Select Finnair flight, departing Fri, May 1 from Chicago to Oulu, returning Fri, May 8, priced at $1,039 found 6 days ago
Flights from Chicago (ORD) to Oulu (OUL)
Origin airport
O'Hare Intl.
Destination airport
Oulu
Airlines serving
British Airways, Finnair, Iberia, Turkish Airlines
Popular airline
Finnair
Distance
4230 mi

Frequently asked questions

How much is a Finnair flight from O'Hare Intl. Airport (ORD) to Oulu Airport (OUL)?
Scoring cheap one-way Finnair flights from ORD to OUL from $653 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $1,039 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ORD to OUL with Finnair?
April is one of the least expensive months to jet off to Oulu with Finnair. You could also find great prices on return and one-way tickets in December.
What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to Oulu Airport (OUL) with Finnair?
To discover affordable flights from ORD to OUL with Finnair, begin searching about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Finnair fly nonstop from O'Hare Intl. Airport (ORD) to Oulu Airport (OUL)?
Fill in your dates, press search and select the "Nonstop" filter on Expedia to find any direct flights from ORD to OUL with Finnair or another carrier.
What is the earliest Finnair flight from ORD to OUL?
Filter your results by "Morning" and "Early Morning" to browse the earliest flights from ORD to OUL. Setting off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Finnair fly into in Oulu?
Catch a Finnair flight from O'Hare Intl. Airport (ORD) to Oulu, and you're most likely to arrive at Oulu Airport (OUL). This is the airline's main hub in this destination.
What kind of luggage can I take on a Finnair flight from O'Hare Intl. Airport (ORD) to Oulu Airport (OUL)?
Finnair lets travelers bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches on standard economy flights from ORD to OUL. Additionally, you can take 1 cabin bag in the cabin. This carry-on luggage must not exceed 9 inches x 15 inches x 15 inches and be no heavier than 22 lb. Baggage rules can differ based on the fare type and cabin class, so check your booking or Finnair's website to avoid unexpected fees at the airport.
Why fly with Finnair from ORD to OUL?
Finnair makes traveling from ORD to OUL enjoyable with a rewarding loyalty program and a 4-star airline rating. You could even start earning points with Finnair Plus. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Finnair flight from O'Hare Intl. Airport (ORD) to Oulu Airport (OUL)?
In most cases, you can cancel or reschedule your flight, although additional fees may apply if your booking was made over 24 hours ago. Need flexible options? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you have to alter your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more information.
*Available to One Key members.