Flights to Mesa from St. Louis - $103

Cheap Flights from St. Louis to Mesa (STL-PHX)

Prices were available within the past 7 days and start at $103 for one-way flights and $206 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 24 - Tue, Jun 3

STL

St. Louis

PHX

Phoenix

$206 Roundtrip, found 2 hours ago

$206

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, May 24 from St. Louis to Phoenix, returning Tue, Jun 3, priced at $206 found 2 hours ago

Sun, May 25 - Tue, Jun 3

STL

St. Louis

PHX

Phoenix

$216 Roundtrip, found 4 hours ago

$216

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Sun, May 25 from St. Louis to Phoenix, returning Tue, Jun 3, priced at $216 found 4 hours ago

Sun, May 25 - Tue, May 27

STL

St. Louis

PHX

Phoenix

$252 Roundtrip, found 19 hours ago

$252

Roundtrip

found 19 hours ago

Select Sun Country Airlines flight, departing Sun, May 25 from St. Louis to Phoenix, returning Tue, May 27, priced at $252 found 19 hours ago

Tue, May 20 - Tue, May 27

STL

St. Louis

PHX

Phoenix

$268 Roundtrip, found 8 hours ago

$268

Roundtrip

found 8 hours ago

Select United flight, departing Tue, May 20 from St. Louis to Phoenix, returning Tue, May 27, priced at $268 found 8 hours ago

Tue, May 20 - Tue, May 27

STL

St. Louis

PHX

Phoenix

$273 Roundtrip, found 8 hours ago

$273

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Tue, May 20 from St. Louis to Phoenix, returning Tue, May 27, priced at $273 found 8 hours ago

Wed, Jul 23 - Sat, Aug 2

STL

St. Louis

PHX

Phoenix

$319 Roundtrip, found 2 hours ago

$319

Roundtrip

found 2 hours ago

Select Southwest Airlines flight, departing Wed, Jul 23 from St. Louis to Phoenix, returning Sat, Aug 2, priced at $319 found 2 hours ago