App
Customer Support
TWD
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from St. Louis to Peoria Starting at TWD 7,532

For as little as TWD 7,532, you can take your next adventure to Peoria without breaking the bank. Choose between one-way and return tickets from St. Louis below.

  • One way
  • Round-trip
      • STL15:40
        5h 53m
        1 stop
        PIA21:33
        Sat, Apr 12|St. Louis - Peoria|United Airlines
        TWD 7,532TWD 8,626
        13% OFF
        13% OFF
        TWD 8,626TWD 7,532

        Choose United Airlines flights from St. Louis to Peoria. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Sat, Apr 12, arriving at General Wayne A. Downing International Airport. One-way Prices start from TWD 7,532 including taxes and charges.

      • STL17:35
        3h 58m
        1 stop
        PIA21:33
        Sun, Apr 20|St. Louis - Peoria|United Airlines
        TWD 7,590TWD 8,626
        12% OFF
        12% OFF
        TWD 8,626TWD 7,590

        Choose United Airlines flights from St. Louis to Peoria. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Sun, Apr 20, arriving at General Wayne A. Downing International Airport. One-way Prices start from TWD 7,590 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        PIA02:00 pm
        Sun, Feb 23|St. Louis - Peoria|United Airlines
        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 Peoria flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA4782

    American Airlines

    06:00

    STL

    1.4h

    07:24

    ORD

    -----F-
    Search

  2. UA5432

    United Airlines

    20:20

    ORD

    1.2h

    21:33

    PIA

    SMTWTFS

  3. UA4412

    United Airlines

    06:30

    STL

    1.5h

    08:01

    ORD

    SMTWTFS
    Search

  4. UA5427

    United Airlines

    09:00

    ORD

    1.2h

    10:12

    PIA

    SMTWTFS

  5. UA4183

    United Airlines

    08:00

    STL

    1.5h

    09:31

    ORD

    SMTWTFS
    Search

  6. UA5362

    United Airlines

    12:45

    ORD

    1.0h

    13:47

    PIA

    SMTWTFS

  7. UA4426

    United Airlines

    10:39

    STL

    1.4h

    12:05

    ORD

    SMTWTFS
    Search

  8. UA5362

    United Airlines

    12:45

    ORD

    1.0h

    13:47

    PIA

    SMTWTFS

  9. UA4383

    United Airlines

    11:45

    STL

    1.4h

    13:12

    ORD

    SMTWTFS
    Search

  10. UA5442

    United Airlines

    15:35

    ORD

    1.1h

    16:40

    PIA

    SMTWTFS

  11. 9X447

    Southern Airways Express

    12:15

    STL

    1.3h

    13:30

    BRL

    SMTWTFS
    Search

  12. 9X444

    Southern Airways Express

    14:10

    BRL

    1.7h

    15:50

    ORD

    SMTWTFS

  13. UA5432

    United Airlines

    20:20

    ORD

    1.2h

    21:33

    PIA

    SMTWTFS

  14. UA4566

    United Airlines

    13:03

    STL

    1.5h

    14:35

    ORD

    SMTWTFS
    Search

  15. UA5442

    United Airlines

    15:35

    ORD

    1.1h

    16:40

    PIA

    SMTWTFS

  16. UA1840

    United Airlines

    15:32

    STL

    1.4h

    16:54

    ORD

    SMTWTFS
    Search

  17. UA5432

    United Airlines

    20:20

    ORD

    1.2h

    21:33

    PIA

    SMTWTFS

  18. AS4707

    Alaska Airlines

    15:40

    STL

    1.4h

    17:07

    ORD

    -----F-
    Search

  19. UA5432

    United Airlines

    20:20

    ORD

    1.2h

    21:33

    PIA

    SMTWTFS

  20. UA1156

    United Airlines

    17:29

    STL

    1.4h

    18:50

    ORD

    SMTWTFS
    Search

  21. UA5432

    United Airlines

    20:20

    ORD

    1.2h

    21:33

    PIA

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from St. Louis to Peoria?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Peoria from St. Louis have changed and are set to move below.

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

Frequently Asked Questions

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

    Airlines adjust prices for flights from St. Louis to Peoria based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Peoria (PIA) cost?

    According to Trip.com's data, the lowest price is around TWD 14,161.

  • What's the most popular airline for non-stop flights from St. Louis (STL) to Peoria (PIA)?

    Hopscotch Air operates 1 non-stop flights from St. Louis (STL) to Peoria (PIA).

  • How many airports are there in Peoria (PIA)?

    There are 1 airport(s) near Peoria (PIA): General Wayne A. Downing International Airport.

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

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
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 Info | St. Louis to Peoria

Cheapest direct flight priceTWD 7,531
Off-season for travelApril
Peak season for travelDecember
Flight distance231.5 km
Popular airlineSouthern Airways Express

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.