Flights from Toronto to Saint Louis from $ 468*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Toronto (YYZ) to Saint Louis (STL)

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No result for this month
Apr 2026
No result for this month
May 2026
No result for this month
Displaying fares for March-2026
  • 28

    Sa

    MAR

  • 29

    Su

  • 30

    Mo

  • 31

    Tu

  • 01

    We

    APR

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

  • 11

    Sa

  • 12

    Su

  • 13

    Mo

  • 14

    Tu

  • 15

    We

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

    • *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

    More United deals on Toronto (YYZ) to Saint Louis (STL) flights

    $
    keyboard_arrow_down
    More United deals on Toronto (YYZ) to Saint Louis (STL) flights
    From
    To
    Fare Type
    Dates
    Price
    Toronto (YYZ)Saint Louis (STL)Roundtrip
    |
    Economy    		06/16/26 - 06/25/26

    from

    $ 468

    Viewed: 1 hour ago

    Toronto (YYZ)Saint Louis (STL)Roundtrip
    |
    Economy    		06/16/26 - 06/25/26

    from

    $ 508

    Viewed: 1 hour ago

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

    Explore United Airlines's Top-Pick Destinations

    Explore more United flights