$864 Cheap Finnair flights San Antonio (SAT) to Oulu (OUL)

View $864 flight on Tue, Dec 16, 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

$864 Cheap Finnair flights San Antonio (SAT) to Oulu (OUL)

Prices were available within the past 7 days and start at $864 for one-way flights and $959 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Thu, Jan 8 - Fri, Feb 13
SAT
San Antonio
OUL
Oulu
$959 Roundtrip, found 4 hours ago
$959
Roundtrip
found 4 hours ago
Select Finnair flight, departing Thu, Jan 8 from San Antonio to Oulu, returning Fri, Feb 13, priced at $959 found 4 hours ago
Flights from San Antonio (SAT) to Oulu (OUL)
Origin airport
San Antonio Intl.
Destination airport
Oulu
Airlines serving
British Airways, Finnair
Popular airline
Finnair
Distance
5254 mi

Frequently asked questions

How much is a Finnair flight from San Antonio Intl. Airport (SAT) to Oulu Airport (OUL)?
Finding cheap one-way Finnair flights from SAT to OUL from $864 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $959 for your next exciting 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 SAT to OUL with Finnair?
April is one of the cheapest months to travel to Oulu with Finnair. You could also find great deals on one-way and round-trip fares in December.
What is the cheapest time to book flights from San Antonio Intl. Airport (SAT) to Oulu Airport (OUL) with Finnair?
Look for Finnair flights from SAT to OUL about one month before you want to go. The cheapest time to book an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers who book on a Sunday can save 17% on average compared to those who book on a Friday.**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 San Antonio Intl. Airport (SAT) to Oulu Airport (OUL)?
Fill in your dates, click search and select the "Nonstop" filter on Expedia to find any direct flights from SAT to OUL with Finnair or another carrier.
What is the earliest Finnair flight from SAT to OUL?
To find the earliest departures from SAT to OUL with Finnair, filter your results by "Morning" and "Early Morning." Choosing an early flight generally 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?
Oulu Airport (OUL) is the main Oulu gateway for Finnair flights from San Antonio Intl. Airport (SAT).
What kind of luggage can I take on a Finnair flight from San Antonio Intl. Airport (SAT) to Oulu Airport (OUL)?
For checked luggage, passengers can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also travel with 1 cabin bag in the cabin when flying standard economy from SAT to OUL with Finnair. This carry-on has to weigh less than 22 lb and be no bigger than 9 inches x 15 inches x 15 inches. Going over these limits can mean additional charges, so read Finnair's baggage allowance guidelines before you begin packing.
Why fly with Finnair from SAT to OUL?
With a 4-star airline rating and a rewarding loyalty program, Finnair is a top choice for many passengers flying from SAT to OUL. What's more, if you're a Finnair Plus and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future getaways.*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 San Antonio Intl. Airport (SAT) to Oulu Airport (OUL)?
Depending on the type of fare you purchased, a fee generally applies if you cancel or change your booking more than 24 hours after it's confirmed. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when looking for flights. To learn more about modifying or canceling your reservation, go to "Trips," select your flight and click on "Manage Booking."
*Available to One Key members.