$159 Cheap United flights Phoenix (PHX) to St. Louis (STL)

$159 Cheap United flights Phoenix (PHX) to St. Louis (STL)

Prices were available within the past 7 days and start at $159 for one-way flights and $392 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 26 - Fri, Aug 29

PHX

Phoenix

STL

St. Louis

$392 Roundtrip, found 20 hours ago

$392

Roundtrip

found 20 hours ago

Select United flight, departing Tue, Aug 26 from Phoenix to St. Louis, returning Fri, Aug 29, priced at $392 found 20 hours ago

Tue, Aug 26 - Fri, Aug 29

PHX

Phoenix

STL

St. Louis

$416 Roundtrip, found 20 hours ago

$416

Roundtrip

found 20 hours ago

Select United flight, departing Tue, Aug 26 from Phoenix to St. Louis, returning Fri, Aug 29, priced at $416 found 20 hours ago

Thu, Aug 28 - Sat, Aug 30

PHX

Phoenix

STL

St. Louis

$442 Roundtrip, found 4 days ago

$442

Roundtrip

found 4 days ago

Select United flight, departing Thu, Aug 28 from Phoenix to St. Louis, returning Sat, Aug 30, priced at $442 found 4 days ago

Tue, Aug 26 - Wed, Aug 27

PHX

Phoenix

STL

St. Louis

$447 Roundtrip, found 4 days ago

$447

Roundtrip

found 4 days ago

Select United flight, departing Tue, Aug 26 from Phoenix to St. Louis, returning Wed, Aug 27, priced at $447 found 4 days ago

Tue, Aug 26 - Fri, Aug 29

PHX

Phoenix

STL

St. Louis

$451 Roundtrip, found 20 hours ago

$451

Roundtrip

found 20 hours ago

Select United flight, departing Tue, Aug 26 from Phoenix to St. Louis, returning Fri, Aug 29, priced at $451 found 20 hours ago

Tue, Aug 26 - Fri, Aug 29

PHX

Phoenix

STL

St. Louis

$454 Roundtrip, found 20 hours ago

$454

Roundtrip

found 20 hours ago

Select United flight, departing Tue, Aug 26 from Phoenix to St. Louis, returning Fri, Aug 29, priced at $454 found 20 hours ago