Flights from San Antonio to Key Largo

Cheapest flights from San Antonio

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.

Tue, Oct 14 - Wed, Oct 22

SAT

San Antonio Intl.

MIA

Miami Intl.

$217 Roundtrip, found 2 hours ago

$217

Roundtrip

found 2 hours ago

Select Delta flight, departing Tue, Oct 14 from San Antonio Intl. to Miami Intl., returning Wed, Oct 22, priced at $217 found 2 hours ago

Wed, Oct 8 - Wed, Oct 22

SAT

San Antonio Intl.

MIA

Miami Intl.

$241 Roundtrip, found 2 hours ago

$241

Roundtrip

found 2 hours ago

Select Delta flight, departing Wed, Oct 8 from San Antonio Intl. to Miami Intl., returning Wed, Oct 22, priced at $241 found 2 hours ago

Sat, Oct 11 - Thu, Oct 16

SAT

San Antonio Intl.

MIA

Miami Intl.

$242 Roundtrip, found 2 hours ago

$242

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Oct 11 from San Antonio Intl. to Miami Intl., returning Thu, Oct 16, priced at $242 found 2 hours ago

Thu, Oct 9 - Thu, Oct 16

SAT

San Antonio Intl.

MIA

Miami Intl.

$244 Roundtrip, found 2 hours ago

$244

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Thu, Oct 9 from San Antonio Intl. to Miami Intl., returning Thu, Oct 16, priced at $244 found 2 hours ago

Tue, Oct 14 - Sat, Oct 18

SAT

San Antonio Intl.

MIA

Miami Intl.

$248 Roundtrip, found 2 hours ago

$248

Roundtrip

found 2 hours ago

Select Delta flight, departing Tue, Oct 14 from San Antonio Intl. to Miami Intl., returning Sat, Oct 18, priced at $248 found 2 hours ago

Sat, Oct 11 - Fri, Oct 17

SAT

San Antonio Intl.

MIA

Miami Intl.

$258 Roundtrip, found 2 hours ago

$258

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Oct 11 from San Antonio Intl. to Miami Intl., returning Fri, Oct 17, priced at $258 found 2 hours ago

Wed, Oct 8 - Sat, Oct 18

SAT

San Antonio Intl.

MIA

Miami Intl.

$260 Roundtrip, found 2 hours ago

$260

Roundtrip

found 2 hours ago

Select Delta flight, departing Wed, Oct 8 from San Antonio Intl. to Miami Intl., returning Sat, Oct 18, priced at $260 found 2 hours ago

Thu, Oct 9 - Fri, Oct 17

SAT

San Antonio Intl.

MIA

Miami Intl.

$260 Roundtrip, found 2 hours ago

$260

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Thu, Oct 9 from San Antonio Intl. to Miami Intl., returning Fri, Oct 17, priced at $260 found 2 hours ago

Tue, Oct 14 - Mon, Oct 20

SAT

San Antonio Intl.

MIA

Miami Intl.

$275 Roundtrip, found 2 hours ago

$275

Roundtrip

found 2 hours ago

Select Delta flight, departing Tue, Oct 14 from San Antonio Intl. to Miami Intl., returning Mon, Oct 20, priced at $275 found 2 hours ago

Sat, Oct 11 - Sun, Oct 19

SAT

San Antonio Intl.

MIA

Miami Intl.

$276 Roundtrip, found 2 hours ago

$276

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Oct 11 from San Antonio Intl. to Miami Intl., returning Sun, Oct 19, priced at $276 found 2 hours ago

Thu, Oct 9 - Sun, Oct 19

SAT

San Antonio Intl.

MIA

Miami Intl.

$278 Roundtrip, found 2 hours ago

$278

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Thu, Oct 9 from San Antonio Intl. to Miami Intl., returning Sun, Oct 19, priced at $278 found 2 hours ago

Wed, Oct 8 - Thu, Oct 16

SAT

San Antonio Intl.

MIA

Miami Intl.

$285 Roundtrip, found 2 hours ago

$285

Roundtrip

found 2 hours ago

Select American Airlines flight, departing Wed, Oct 8 from San Antonio Intl. to Miami Intl., returning Thu, Oct 16, priced at $285 found 2 hours ago

Wed, Oct 8 - Mon, Oct 20

SAT

San Antonio Intl.

MIA

Miami Intl.

$287 Roundtrip, found 2 hours ago

$287

Roundtrip

found 2 hours ago

Select Delta flight, departing Wed, Oct 8 from San Antonio Intl. to Miami Intl., returning Mon, Oct 20, priced at $287 found 2 hours ago

Sun, Oct 12 - Fri, Oct 17

SAT

San Antonio Intl.

MIA

Miami Intl.

$292 Roundtrip, found 2 hours ago

$292

Roundtrip

found 2 hours ago

Select Spirit Airlines flight, departing Sun, Oct 12 from San Antonio Intl. to Miami Intl., returning Fri, Oct 17, priced at $292 found 2 hours ago

Fri, Oct 10 - Sun, Oct 19

SAT

San Antonio Intl.

MIA

Miami Intl.

$294 Roundtrip, found 2 hours ago

$294

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Fri, Oct 10 from San Antonio Intl. to Miami Intl., returning Sun, Oct 19, priced at $294 found 2 hours ago

Wed, Oct 8 - Fri, Oct 17

SAT

San Antonio Intl.

MIA

Miami Intl.

$298 Roundtrip, found 2 hours ago

$298

Roundtrip

found 2 hours ago

Select Delta flight, departing Wed, Oct 8 from San Antonio Intl. to Miami Intl., returning Fri, Oct 17, priced at $298 found 2 hours ago

Sun, Oct 12 - Sun, Oct 19

SAT

San Antonio Intl.

MIA

Miami Intl.

$312 Roundtrip, found 2 hours ago

$312

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sun, Oct 12 from San Antonio Intl. to Miami Intl., returning Sun, Oct 19, priced at $312 found 2 hours ago

Sun, Oct 12 - Sat, Oct 18

SAT

San Antonio Intl.

MIA

Miami Intl.

$317 Roundtrip, found 2 hours ago

$317

Roundtrip

found 2 hours ago

Select Spirit Airlines flight, departing Sun, Oct 12 from San Antonio Intl. to Miami Intl., returning Sat, Oct 18, priced at $317 found 2 hours ago

Tue, Oct 14 - Sun, Oct 19

SAT

San Antonio Intl.

MIA

Miami Intl.

$324 Roundtrip, found 2 hours ago

$324

Roundtrip

found 2 hours ago

Select Delta flight, departing Tue, Oct 14 from San Antonio Intl. to Miami Intl., returning Sun, Oct 19, priced at $324 found 2 hours ago

Thu, Oct 9 - Sat, Oct 18

SAT

San Antonio Intl.

MIA

Miami Intl.

$332 Roundtrip, found 2 hours ago

$332

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Thu, Oct 9 from San Antonio Intl. to Miami Intl., returning Sat, Oct 18, priced at $332 found 2 hours ago