Book United Phoenix to St. Louis flight deals from $314

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

September

Wednesday 12th

Return Thursday 27th

from$ 314*Viewed: 1 hour ago

Monday 24th

Return Tuesday 9th

from$ 314*Viewed: 1 hour ago

Wednesday 26th

Return Thursday 11th

from$ 314*Viewed: 1 hour ago

October

Tuesday 16th

Return Wednesday 31st

from$ 314*Viewed: 1 hour ago

Monday 29th

Return Tuesday 13th

from$ 314*Viewed: 1 hour ago

Tuesday 30th

Return Wednesday 14th

from$ 314*Viewed: 1 hour ago

November

Sunday 4th

Return Monday 19th

from$ 329*Viewed: 1 hour ago

Wednesday 7th

Return Thursday 22nd

from$ 314*Viewed: 1 hour ago

Tuesday 13th

Return Wednesday 28th

from$ 314*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

Type

Dates

Price*

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Wed 29 Aug 2018
Return Thu 13 Sep 2018

from$ 314*Viewed: 1 hour ago

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Sun 2 Sep 2018
Return Mon 17 Sep 2018

from$ 314*Viewed: 1 hour ago

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Tue 4 Sep 2018
Return Wed 19 Sep 2018

from$ 314*Viewed: 1 hour ago

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Wed 5 Sep 2018
Return Thu 20 Sep 2018

from$ 314*Viewed: 1 hour ago

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Mon 10 Sep 2018
Return Tue 25 Sep 2018

from$ 314*Viewed: 1 hour ago

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Tue 11 Sep 2018
Return Wed 26 Sep 2018

from$ 314*Viewed: 1 hour ago

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Wed 12 Sep 2018
Return Thu 27 Sep 2018

from$ 314*Viewed: 1 hour ago

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Mon 17 Sep 2018
Return Tue 2 Oct 2018

from$ 314*Viewed: 1 hour ago

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Tue 18 Sep 2018
Return Wed 3 Oct 2018

from$ 314*Viewed: 1 hour ago

Phoenix (PHX)

to St. Louis (STL)

Roundtrip

Depart Mon 24 Sep 2018
Return Tue 9 Oct 2018

from$ 314*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

74 °FWednesday08/15/2018

82 °FThursday08/16/2018

74 °FFriday08/17/2018

81 °FSaturday08/18/2018

79 °FSunday08/19/2018

81 °FMonday08/20/2018

89 °FTuesday08/21/2018