Book United Phoenix to St. Louis flight deals from $324

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Search flights from Phoenix to St. Louis (PHX - STL)

December

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12/23/18

Return 01/07/19
from$ 389*Viewed: 1 hour ago

12/26/18

Return 01/10/19
from$ 389*Viewed: 1 hour ago

12/31/18

Return 01/15/19
from$ 389*Viewed: 1 hour ago

January

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01/08/19

Return 01/23/19
from$ 324*Viewed: 1 hour ago

01/09/19

Return 01/24/19
from$ 324*Viewed: 1 hour ago

01/14/19

Return 01/29/19
from$ 324*Viewed: 1 hour ago

February

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02/11/19

Return 02/26/19
from$ 324*Viewed: 1 hour ago

02/25/19

Return 03/12/19
from$ 324*Viewed: 1 hour ago

02/26/19

Return 03/13/19
from$ 324*Viewed: 1 hour ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. 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.

Plan ahead for flights from Phoenix to St. Louis

from
to
Type
Dates
Price*
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 01/07/19
Return 01/22/19
from$ 324*Viewed: 1 hour ago
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 01/08/19
Return 01/23/19
from$ 324*Viewed: 1 hour ago
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 01/09/19
Return 01/24/19
from$ 324*Viewed: 1 hour ago
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 01/14/19
Return 01/29/19
from$ 324*Viewed: 1 hour ago
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 01/15/19
Return 01/30/19
from$ 324*Viewed: 1 hour ago
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 01/22/19
Return 02/06/19
from$ 324*Viewed: 1 hour ago
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 01/23/19
Return 02/07/19
from$ 324*Viewed: 1 hour ago
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 01/28/19
Return 02/12/19
from$ 324*Viewed: 1 hour ago
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 01/29/19
Return 02/13/19
from$ 324*Viewed: 1 hour ago
Phoenix (PHX)
to St. Louis (STL)
Roundtrip
Depart 02/04/19
Return 02/19/19
from$ 324*Viewed: 1 hour ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. 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.

Weather in St. Louis

55 °FWednesday12/12/2018
45 °FThursday12/13/2018
44 °FFriday12/14/2018
40 °FSaturday12/15/2018
50 °FSunday12/16/2018
48 °FMonday12/17/2018
53 °FTuesday12/18/2018
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