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Flights from St. Louis to Oulu
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Flights from St. Louis to Oulu Starting at €1,304

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • CWL17:25
        51h 1m
        2 stops
        CVG15:26
        Sun, Mar 2|Cardiff - Cincinnati|KLM
        €1,304€3,645
        64% OFF
        64% OFF
        €3,645€1,304

        Choose KLM flights from Cardiff to Cincinnati. The one-way connecting flight with KLM departs from Cardiff Airport on Sun, Mar 2, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €1,304 including taxes and charges.

      • CWL17:25
        51h 1m
        2 stops
        CVG15:26
        Mon, Feb 24|Cardiff - Cincinnati|KLM
        €1,351€3,645
        63% OFF
        63% OFF
        €3,645€1,351

        Choose KLM flights from Cardiff to Cincinnati. The one-way connecting flight with KLM departs from Cardiff Airport on Mon, Feb 24, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €1,351 including taxes and charges.

      • CWL17:25
        31h 7m
        2 stops
        CVG20:32
        Sun, Mar 16|Cardiff - Cincinnati|Virgin Atlantic
        €1,659€3,645
        54% OFF
        54% OFF
        €3,645€1,659

        Choose Virgin Atlantic flights from Cardiff to Cincinnati. The one-way connecting flight with Virgin Atlantic departs from Cardiff Airport on Sun, Mar 16, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €1,659 including taxes and charges.

      • CWL10:20
        34h 29m
        2 stops
        CVG16:49
        Sun, Mar 16|Cardiff - Cincinnati|Air France
        €1,664
        €1,664

        Choose Air France flights from Cardiff to Cincinnati. The one-way connecting flight with Air France departs from Cardiff Airport on Sun, Mar 16, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €1,664 including taxes and charges.

      • CWL17:25
        27h 24m
        2 stops
        CVG16:49
        Sun, Mar 16|Cardiff - Cincinnati|KLM
        €1,664
        €1,664

        Choose KLM flights from Cardiff to Cincinnati. The one-way connecting flight with KLM departs from Cardiff Airport on Sun, Mar 16, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €1,664 including taxes and charges.

      • CWL09:50
        16h 40m
        2 stops
        CVG21:30
        Tue, Apr 29|Cardiff - Cincinnati|Virgin Atlantic
        €1,767
        €1,767

        Choose Virgin Atlantic flights from Cardiff to Cincinnati. The one-way connecting flight with Virgin Atlantic departs from Cardiff Airport on Tue, Apr 29, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €1,767 including taxes and charges.

      • CWL09:50
        17h 42m
        2 stops
        CVG22:32
        Tue, Apr 29|Cardiff - Cincinnati|KLM
        €1,792
        €1,792

        Choose KLM flights from Cardiff to Cincinnati. The one-way connecting flight with KLM departs from Cardiff Airport on Tue, Apr 29, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €1,792 including taxes and charges.

      • CWL20:45
        27h 47m
        2 stops
        CVG20:32
        Sun, Mar 16|Cardiff - Cincinnati|Loganair
        €1,825
        €1,825

        Choose Loganair flights from Cardiff to Cincinnati. The one-way connecting flight with Loganair departs from Cardiff Airport on Sun, Mar 16, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €1,825 including taxes and charges.

      • CWL20:15
        25h 56m
        2 stops
        CVG17:11
        Tue, Apr 29|Cardiff - Cincinnati|Loganair
        €1,906
        €1,906

        Choose Loganair flights from Cardiff to Cincinnati. The one-way connecting flight with Loganair departs from Cardiff Airport on Tue, Apr 29, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €1,906 including taxes and charges.

      • CWL10:20
        42h 39m
        2 stops
        CVG23:59
        Mon, Feb 24|Cardiff - Cincinnati|Virgin Atlantic
        €2,799
        €2,799

        Choose Virgin Atlantic flights from Cardiff to Cincinnati. The one-way connecting flight with Virgin Atlantic departs from Cardiff Airport on Mon, Feb 24, arriving at Cincinnati/Northern Kentucky International Airport. One-way Prices start from €2,799 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        OUL02:00 pm
        Sat, Feb 22|St. Louis - Oulu|KLM
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

St. Louis to Oulu flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA4404

    American Airlines

    07:29

    STL

    2.4h

    10:53

    LGA

    SMTWT--
    Search

  2. AY016

    Finnair

    23:45

    JFK

    8.2h

    13:55

    HEL

    SMTWTFS

  3. AY441

    Finnair

    15:50

    HEL

    1.1h

    16:55

    OUL

    SMTWT-S

  4. AA2480

    American Airlines

    09:15

    STL

    2.0h

    11:14

    DFW

    SMTWTFS
    Search

  5. AY020

    Finnair

    17:55

    DFW

    9.8h

    10:45

    HEL

    SM-WTFS

  6. AY441

    Finnair

    15:50

    HEL

    1.1h

    16:55

    OUL

    SMTWT-S

  7. BA5684

    British Airways

    11:25

    STL

    2.1h

    13:31

    DFW

    SMTWTFS
    Search

  8. BA6054

    British Airways

    17:55

    DFW

    9.8h

    10:45

    HEL

    SM-WTFS

  9. BA6042

    British Airways

    23:55

    HEL

    1.2h

    01:05

    OUL

    SMTWTFS

  10. AY5718

    Finnair

    12:01

    STL

    2.0h

    14:00

    DFW

    SM-WTFS
    Search

  11. AY020

    Finnair

    17:55

    DFW

    9.8h

    10:45

    HEL

    SM-WTFS

  12. AY445

    Finnair

    18:50

    HEL

    1.2h

    20:00

    OUL

    SMTWTFS

  13. AY5718

    Finnair

    12:01

    STL

    2.0h

    14:00

    DFW

    SM-WTFS
    Search

  14. AY020

    Finnair

    17:55

    DFW

    9.8h

    10:45

    HEL

    SM-WTFS

  15. AY437

    Finnair

    12:30

    HEL

    1.1h

    13:35

    OUL

    SMTWTFS
Find more flights and airlines

Find the best time to fly from St. Louis to Oulu

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from St. Louis (STL) to Oulu (OUL) the cheapest?

    Airlines adjust prices for flights from St. Louis to Oulu based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Oulu (OUL) cost?

    According to Trip.com's data, the lowest price is around €1,830.

  • What is the transportation method from the main airport to downtown in Oulu?

    • The distance from Oulu Airport to downtown is about 10 km. It takes about 30 minutes by taxi.

How to find a cheap flight from St. Louis to Oulu

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Oulu. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from St. Louis to Oulu

Off-season for travelApril
Peak season for travelJanuary
Flight distance7,227.92 km
Popular airlineAmerican Airlines

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