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Cheap flight deals from Waterloo to St. Louis Starting at €256

Discover our range of affordable one-way and round-trip flights from Waterloo to St. Louis and kick-start your next adventure today!

  • One way
  • Round-trip
      • ALO09:49
        6h 17m
        1 stop
        STL16:06
        Fri, Feb 21|Waterloo - St. Louis|American Airlines
        €256€611
        57% OFF
        57% OFF
        €611€256

        Choose American Airlines flights from Waterloo to St. Louis. The one-way connecting flight with American Airlines departs from Waterloo Regional Airport on Fri, Feb 21, arriving at St.Louis Lambert International Airport. One-way Prices start from €256 including taxes and charges.

      • ALO10:15
        5h 25m
        1 stop
        STL15:40
        Wed, Feb 19|Waterloo - St. Louis|American Airlines
        €513€611
        16% OFF
        16% OFF
        €611€513

        Choose American Airlines flights from Waterloo to St. Louis. The one-way connecting flight with American Airlines departs from Waterloo Regional Airport on Wed, Feb 19, arriving at St.Louis Lambert International Airport. One-way Prices start from €513 including taxes and charges.

      • ALO01:00 pm
        3h 5m
        Nonstop
        STL02:00 pm
        Fri, Feb 21|Waterloo - St. Louis|American Airlines
        Find More Flights
        Find More Flights

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

Waterloo to St. Louis flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA6177

    American Airlines

    15:43

    ALO

    1.3h

    17:00

    ORD

    SMTWTFS
    Search

  2. UA4185

    United Airlines

    20:20

    ORD

    1.5h

    21:48

    STL

    SMTWTFS

  3. AA6177

    American Airlines

    15:43

    ALO

    1.3h

    17:00

    ORD

    SMTWTFS
    Search

  4. UA4416

    United Airlines

    18:10

    ORD

    1.4h

    19:35

    STL

    SMTWTFS

  5. AA6177

    American Airlines

    15:43

    ALO

    1.3h

    17:00

    ORD

    SMTWTFS
    Search

  6. 9X488

    Southern Airways Express

    13:10

    ORD

    1.9h

    15:05

    UIN

    SMTWTFS

  7. 9X463

    Southern Airways Express

    15:45

    UIN

    1.0h

    16:45

    STL

    SMTWT-S

  8. AA6177

    American Airlines

    15:43

    ALO

    1.3h

    17:00

    ORD

    SMTWTFS
    Search

  9. AA3593

    American Airlines

    14:50

    ORD

    1.3h

    16:06

    STL

    S--WT-S

  10. AA6177

    American Airlines

    15:43

    ALO

    1.3h

    17:00

    ORD

    SMTWTFS
    Search

  11. UA1693

    United Airlines

    14:20

    ORD

    1.3h

    15:40

    STL

    SMTWTFS

  12. AA6163

    American Airlines

    18:30

    ALO

    1.3h

    19:45

    ORD

    SMTWTFS
    Search

  13. UA1693

    United Airlines

    14:20

    ORD

    1.3h

    15:40

    STL

    SMTWTFS

  14. AA6163

    American Airlines

    18:30

    ALO

    1.3h

    19:45

    ORD

    SMTWTFS
    Search

  15. UA1657

    United Airlines

    13:15

    ORD

    1.4h

    14:36

    STL

    SMTWTF-

  16. AA6163

    American Airlines

    18:30

    ALO

    1.3h

    19:45

    ORD

    SMTWTFS
    Search

  17. UA4613

    United Airlines

    09:30

    ORD

    1.6h

    11:03

    STL

    SMTWTFS

  18. AA6163

    American Airlines

    18:30

    ALO

    1.3h

    19:45

    ORD

    SMTWTFS
    Search

  19. AA1073

    American Airlines

    20:45

    ORD

    1.4h

    22:07

    STL

    SMTWTFS
Find more flights and airlines

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

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 St. Louis from Waterloo 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 Waterloo (ALO) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Waterloo to St. Louis 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 Waterloo (ALO) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around €292.

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20 km, by taxi about 40 minutes.

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

    Hopscotch Air operates 2 non-stop flights from Waterloo (ALO) to St. Louis (STL).

  • How many airports are there in St. Louis (STL)?

    There are 1 airport(s) near St. Louis (STL): St. Louis Lambert International Airport.

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

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
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 | Waterloo to St. Louis

Cheapest direct flight price€256
Off-season for travelNovember
Peak season for travelJanuary
Flight distance476.41 km
Popular airlineAmerican Airlines

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