Flights to Northeast Missouri from San Antonio - $109

View $109 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from San Antonio to Northeast Missouri

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Delta

    Delta

  • United

    United

  • Spirit Airlines

    Spirit Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

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Cheap Flights from San Antonio to Northeast Missouri (SAT-STL)

Prices were available within the past 7 days and start at $109 for one-way flights and $187 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Aug 16 - Tue, Aug 19
SAT
San Antonio
STL
St. Louis
$187 Roundtrip, found 3 days ago
$187
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 16 from San Antonio to St. Louis, returning Tue, Aug 19, priced at $187 found 3 days ago
American Airlines
Sat, Aug 16 - Tue, Aug 19
SAT
San Antonio
STL
St. Louis
$187 Roundtrip, found 3 days ago
$187
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 16 from San Antonio to St. Louis, returning Tue, Aug 19, priced at $187 found 3 days ago
American Airlines
Sat, Aug 16 - Tue, Aug 19
SAT
San Antonio
STL
St. Louis
$188 Roundtrip, found 3 days ago
$188
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 16 from San Antonio to St. Louis, returning Tue, Aug 19, priced at $188 found 3 days ago
Frontier Airlines
Sat, Sep 27 - Sat, Oct 4
SAT
San Antonio
STL
St. Louis
$208 Roundtrip, found 5 days ago
$208
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Sep 27 from San Antonio to St. Louis, returning Sat, Oct 4, priced at $208 found 5 days ago
Southwest Airlines
Thu, Nov 6 - Mon, Nov 10
SAT
San Antonio
STL
St. Louis
$210 Roundtrip, found 6 days ago
$210
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Thu, Nov 6 from San Antonio to St. Louis, returning Mon, Nov 10, priced at $210 found 6 days ago
Delta
Sat, Aug 30 - Tue, Sep 2
SAT
San Antonio
STL
St. Louis
$225 Roundtrip, found 14 hours ago
$225
Roundtrip
found 14 hours ago
Select Delta flight, departing Sat, Aug 30 from San Antonio to St. Louis, returning Tue, Sep 2, priced at $225 found 14 hours ago

Find the cheapest month to fly from San Antonio (SAT) to St. Louis (STL)

September is typically the cheapest month to fly

From $128 - $559 per traveler.

Graph displaying average flight prices per month

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Flights from $288
STL
Lambert-St. Louis Intl.
Cheapest
Flights from $288
Select flight to Columbia Regional COU. Flights from $442
COU
Columbia Regional
Flights from $442

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