$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 $273 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 24 - Mon, Dec 1

PHX

Phoenix

STL

St. Louis

$273 Roundtrip, found 12 hours ago

$273

Roundtrip

found 12 hours ago

Select United flight, departing Mon, Nov 24 from Phoenix to St. Louis, returning Mon, Dec 1, priced at $273 found 12 hours ago

Mon, Nov 24 - Mon, Dec 1

PHX

Phoenix

STL

St. Louis

$293 Roundtrip, found 12 hours ago

$293

Roundtrip

found 12 hours ago

Select United flight, departing Mon, Nov 24 from Phoenix to St. Louis, returning Mon, Dec 1, priced at $293 found 12 hours ago

Mon, Nov 24 - Mon, Dec 1

PHX

Phoenix

STL

St. Louis

$313 Roundtrip, found 12 hours ago

$313

Roundtrip

found 12 hours ago

Select United flight, departing Mon, Nov 24 from Phoenix to St. Louis, returning Mon, Dec 1, priced at $313 found 12 hours ago

Mon, Nov 24 - Mon, Dec 1

PHX

Phoenix

STL

St. Louis

$329 Roundtrip, found 12 hours ago

$329

Roundtrip

found 12 hours ago

Select United flight, departing Mon, Nov 24 from Phoenix to St. Louis, returning Mon, Dec 1, priced at $329 found 12 hours ago

Mon, Nov 24 - Mon, Dec 1

PHX

Phoenix

STL

St. Louis

$331 Roundtrip, found 12 hours ago

$331

Roundtrip

found 12 hours ago

Select United flight, departing Mon, Nov 24 from Phoenix to St. Louis, returning Mon, Dec 1, priced at $331 found 12 hours ago

Mon, Nov 24 - Mon, Dec 1

PHX

Phoenix

STL

St. Louis

$333 Roundtrip, found 12 hours ago

$333

Roundtrip

found 12 hours ago

Select United flight, departing Mon, Nov 24 from Phoenix to St. Louis, returning Mon, Dec 1, priced at $333 found 12 hours ago