Flights from St. Louis to Junction

Cheapest flights from St. Louis

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.

Thu, Aug 7 - Tue, Aug 12

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$218 Roundtrip, found 1 day ago

$218

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Lambert-St. Louis Intl. to San Antonio Intl., returning Tue, Aug 12, priced at $218 found 1 day ago

Thu, Aug 7 - Sun, Aug 10

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$228 Roundtrip, found 1 day ago

$228

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Aug 10, priced at $228 found 1 day ago

Wed, Aug 6 - Tue, Aug 12

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$248 Roundtrip, found 1 day ago

$248

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Lambert-St. Louis Intl. to San Antonio Intl., returning Tue, Aug 12, priced at $248 found 1 day ago

Wed, Aug 6 - Sun, Aug 10

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$258 Roundtrip, found 1 day ago

$258

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Aug 10, priced at $258 found 1 day ago

Thu, Aug 7 - Sat, Aug 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$308 Roundtrip, found 1 day ago

$308

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sat, Aug 9, priced at $308 found 1 day ago

Wed, Aug 6 - Sat, Aug 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$338 Roundtrip, found 1 day ago

$338

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sat, Aug 9, priced at $338 found 1 day ago

Sat, Aug 9 - Tue, Aug 12

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$385 Roundtrip, found 1 day ago

$385

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 9 from Lambert-St. Louis Intl. to San Antonio Intl., returning Tue, Aug 12, priced at $385 found 1 day ago

Wed, Aug 6 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$389 Roundtrip, found 1 day ago

$389

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sat, Aug 16, priced at $389 found 1 day ago

Thu, Aug 7 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$394 Roundtrip, found 1 day ago

$394

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sat, Aug 16, priced at $394 found 1 day ago

Sat, Aug 9 - Thu, Aug 14

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$395 Roundtrip, found 1 day ago

$395

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 9 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 14, priced at $395 found 1 day ago

Fri, Aug 8 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$398 Roundtrip, found 1 day ago

$398

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sat, Aug 16, priced at $398 found 1 day ago

Sun, Aug 10 - Tue, Aug 12

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$416 Roundtrip, found 1 day ago

$416

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Aug 10 from Lambert-St. Louis Intl. to San Antonio Intl., returning Tue, Aug 12, priced at $416 found 1 day ago

Sun, Aug 10 - Thu, Aug 14

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$426 Roundtrip, found 1 day ago

$426

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Aug 10 from Lambert-St. Louis Intl. to San Antonio Intl., returning Thu, Aug 14, priced at $426 found 1 day ago

Wed, Aug 6 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$449 Roundtrip, found 1 day ago

$449

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Lambert-St. Louis Intl. to San Antonio Intl., returning Fri, Aug 8, priced at $449 found 1 day ago

Sat, Aug 9 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$477 Roundtrip, found 1 day ago

$477

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 9 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sat, Aug 16, priced at $477 found 1 day ago

Wed, Aug 6 - Mon, Aug 11

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$479 Roundtrip, found 1 day ago

$479

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Lambert-St. Louis Intl. to San Antonio Intl., returning Mon, Aug 11, priced at $479 found 1 day ago

Thu, Aug 7 - Mon, Aug 11

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$484 Roundtrip, found 1 day ago

$484

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Lambert-St. Louis Intl. to San Antonio Intl., returning Mon, Aug 11, priced at $484 found 1 day ago

Fri, Aug 8 - Mon, Aug 11

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$488 Roundtrip, found 1 day ago

$488

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Lambert-St. Louis Intl. to San Antonio Intl., returning Mon, Aug 11, priced at $488 found 1 day ago

Sat, Aug 9 - Sun, Aug 10

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$518 Roundtrip, found 1 day ago

$518

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Aug 9 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sun, Aug 10, priced at $518 found 1 day ago

Fri, Aug 8 - Sat, Aug 9

STL

Lambert-St. Louis Intl.

SAT

San Antonio Intl.

$621 Roundtrip, found 1 day ago

$621

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 8 from Lambert-St. Louis Intl. to San Antonio Intl., returning Sat, Aug 9, priced at $621 found 1 day ago