Flights from Phoenix to Mehlville

Cheapest flights from Phoenix

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 23 - Thu, Jul 31

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$220 Roundtrip, found 4 days ago

$220

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Thu, Jul 31, priced at $220 found 4 days ago

Wed, Jul 23 - Sun, Aug 3

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$226 Roundtrip, found 4 days ago

$226

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $226 found 4 days ago

Tue, Jul 22 - Wed, Jul 30

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$230 Roundtrip, found 4 days ago

$230

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jul 22 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $230 found 4 days ago

Thu, Jul 24 - Fri, Aug 1

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$250 Roundtrip, found 4 days ago

$250

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Fri, Aug 1, priced at $250 found 4 days ago

Fri, Jul 25 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$254 Roundtrip, found 4 days ago

$254

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $254 found 4 days ago

Thu, Jul 24 - Mon, Jul 28

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$260 Roundtrip, found 4 days ago

$260

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Mon, Jul 28, priced at $260 found 4 days ago

Wed, Jul 23 - Wed, Jul 30

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$270 Roundtrip, found 4 days ago

$270

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $270 found 4 days ago

Fri, Jul 25 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$278 Roundtrip, found 4 days ago

$278

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $278 found 4 days ago

Wed, Jul 23 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$280 Roundtrip, found 4 days ago

$280

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $280 found 4 days ago

Sat, Jul 26 - Wed, Jul 30

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$290 Roundtrip, found 4 days ago

$290

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jul 26 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $290 found 4 days ago

Fri, Jul 25 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$348 Roundtrip, found 4 days ago

$348

Roundtrip

found 4 days ago

Select American Airlines flight, departing Fri, Jul 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $348 found 4 days ago

Mon, Jul 28 - Mon, Jul 28

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$350 Roundtrip, found 4 days ago

$350

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Mon, Jul 28, priced at $350 found 4 days ago

Fri, Jul 25 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$363 Roundtrip, found 4 days ago

$363

Roundtrip

found 4 days ago

Select American Airlines flight, departing Fri, Jul 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $363 found 4 days ago

Fri, Jul 25 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$380 Roundtrip, found 4 days ago

$380

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $380 found 4 days ago

Fri, Jul 25 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$385 Roundtrip, found 4 days ago

$385

Roundtrip

found 4 days ago

Select United flight, departing Fri, Jul 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $385 found 4 days ago

Wed, Jul 23 - Tue, Jul 29

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$385 Roundtrip, found 4 days ago

$385

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Jul 23 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Tue, Jul 29, priced at $385 found 4 days ago

Fri, Jul 25 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$386 Roundtrip, found 4 days ago

$386

Roundtrip

found 4 days ago

Select United flight, departing Fri, Jul 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $386 found 4 days ago

Fri, Jul 25 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$388 Roundtrip, found 4 days ago

$388

Roundtrip

found 4 days ago

Select United flight, departing Fri, Jul 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $388 found 4 days ago

Tue, Jul 22 - Tue, Jul 29

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$423 Roundtrip, found 4 days ago

$423

Roundtrip

found 4 days ago

Select United flight, departing Tue, Jul 22 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Tue, Jul 29, priced at $423 found 4 days ago

Fri, Jul 25 - Sun, Jul 27

PHX

Sky Harbor Intl.

STL

Lambert-St. Louis Intl.

$449 Roundtrip, found 4 days ago

$449

Roundtrip

found 4 days ago

Select American Airlines flight, departing Fri, Jul 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $449 found 4 days ago