Flights to South Texas Plains from Kansas City - $99

View $99 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from Kansas City to South Texas Plains

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

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Cheap Flights from Kansas City to South Texas Plains (MKC-SAT)

Prices were available within the past 7 days and start at $99 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Nov 5 - Wed, Nov 19
MCI
Kansas City
HRL
Harlingen
$197 Roundtrip, found 7 hours ago
$197
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Wed, Nov 5 from Kansas City to Harlingen, returning Wed, Nov 19, priced at $197 found 7 hours ago
American Airlines
Fri, Dec 5 - Mon, Dec 8
MCI
Kansas City
MFE
McAllen
$197 Roundtrip, found 3 days ago
$197
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Dec 5 from Kansas City to McAllen, returning Mon, Dec 8, priced at $197 found 3 days ago
United
Sat, Sep 27 - Tue, Sep 30
MCI
Kansas City
HRL
Harlingen
$197 Roundtrip, found 8 hours ago
$197
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Sep 27 from Kansas City to Harlingen, returning Tue, Sep 30, priced at $197 found 8 hours ago
Frontier Airlines
Wed, Aug 13 - Thu, Aug 21
MCI
Kansas City
SAT
San Antonio
$198 Roundtrip, found 7 hours ago
$198
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Wed, Aug 13 from Kansas City to San Antonio, returning Thu, Aug 21, priced at $198 found 7 hours ago
Delta
Wed, Oct 22 - Tue, Oct 28
MCI
Kansas City
MFE
McAllen
$207 Roundtrip, found 9 hours ago
$207
Roundtrip
found 9 hours ago
Select Delta flight, departing Wed, Oct 22 from Kansas City to McAllen, returning Tue, Oct 28, priced at $207 found 9 hours ago
Spirit Airlines
Fri, Sep 19 - Mon, Sep 22
MCI
Kansas City
SAT
San Antonio
$209 Roundtrip, found 3 hours ago
$209
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Fri, Sep 19 from Kansas City to San Antonio, returning Mon, Sep 22, priced at $209 found 3 hours ago

Find the cheapest month to fly from Kansas City (MKC) to San Antonio (SAT)

September is typically the cheapest month to fly

From $134 - $586 per traveler.

Graph displaying average flight prices per month

*Available to One Key members.