Flights from San Antonio to Duck Key

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, Aug 19 - Wed, Aug 27

SAT

San Antonio Intl.

MIA

Miami Intl.

$217 Roundtrip, found 3 days ago

$217

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Aug 19 from San Antonio Intl. to Miami Intl., returning Wed, Aug 27, priced at $217 found 3 days ago

Tue, Aug 19 - Sat, Aug 30

SAT

San Antonio Intl.

MIA

Miami Intl.

$257 Roundtrip, found 3 days ago

$257

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Aug 19 from San Antonio Intl. to Miami Intl., returning Sat, Aug 30, priced at $257 found 3 days ago

Mon, Sep 8 - Sat, Sep 13

SAT

San Antonio Intl.

EYW

Key West Intl.

$259 Roundtrip, found 5 days ago

$259

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Sep 8 from San Antonio Intl. to Key West Intl., returning Sat, Sep 13, priced at $259 found 5 days ago

Mon, Aug 25 - Wed, Aug 27

SAT

San Antonio Intl.

MIA

Miami Intl.

$273 Roundtrip, found 3 days ago

$273

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Aug 25 from San Antonio Intl. to Miami Intl., returning Wed, Aug 27, priced at $273 found 3 days ago

Mon, Aug 25 - Mon, Sep 1

SAT

San Antonio Intl.

MIA

Miami Intl.

$282 Roundtrip, found 3 days ago

$282

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Aug 25 from San Antonio Intl. to Miami Intl., returning Mon, Sep 1, priced at $282 found 3 days ago

Sat, Aug 23 - Wed, Aug 27

SAT

San Antonio Intl.

MIA

Miami Intl.

$288 Roundtrip, found 3 days ago

$288

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Aug 23 from San Antonio Intl. to Miami Intl., returning Wed, Aug 27, priced at $288 found 3 days ago

Sat, Aug 23 - Mon, Sep 1

SAT

San Antonio Intl.

MIA

Miami Intl.

$297 Roundtrip, found 3 days ago

$297

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Aug 23 from San Antonio Intl. to Miami Intl., returning Mon, Sep 1, priced at $297 found 3 days ago

Sat, Aug 23 - Thu, Aug 28

SAT

San Antonio Intl.

MIA

Miami Intl.

$304 Roundtrip, found 3 days ago

$304

Roundtrip

found 3 days ago

Select Delta flight, departing Sat, Aug 23 from San Antonio Intl. to Miami Intl., returning Thu, Aug 28, priced at $304 found 3 days ago

Tue, Aug 19 - Mon, Sep 1

SAT

San Antonio Intl.

MIA

Miami Intl.

$306 Roundtrip, found 3 days ago

$306

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Aug 19 from San Antonio Intl. to Miami Intl., returning Mon, Sep 1, priced at $306 found 3 days ago

Mon, Aug 25 - Thu, Aug 28

SAT

San Antonio Intl.

MIA

Miami Intl.

$313 Roundtrip, found 3 days ago

$313

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Aug 25 from San Antonio Intl. to Miami Intl., returning Thu, Aug 28, priced at $313 found 3 days ago

Wed, Aug 20 - Mon, Sep 1

SAT

San Antonio Intl.

MIA

Miami Intl.

$316 Roundtrip, found 3 days ago

$316

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Aug 20 from San Antonio Intl. to Miami Intl., returning Mon, Sep 1, priced at $316 found 3 days ago

Mon, Aug 25 - Fri, Aug 29

SAT

San Antonio Intl.

MIA

Miami Intl.

$317 Roundtrip, found 3 days ago

$317

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Aug 25 from San Antonio Intl. to Miami Intl., returning Fri, Aug 29, priced at $317 found 3 days ago

Sun, Aug 24 - Wed, Aug 27

SAT

San Antonio Intl.

MIA

Miami Intl.

$317 Roundtrip, found 3 days ago

$317

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Aug 24 from San Antonio Intl. to Miami Intl., returning Wed, Aug 27, priced at $317 found 3 days ago

Thu, Aug 21 - Wed, Aug 27

SAT

San Antonio Intl.

MIA

Miami Intl.

$319 Roundtrip, found 3 days ago

$319

Roundtrip

found 3 days ago

Select Delta flight, departing Thu, Aug 21 from San Antonio Intl. to Miami Intl., returning Wed, Aug 27, priced at $319 found 3 days ago

Fri, Aug 22 - Sat, Aug 30

SAT

San Antonio Intl.

MIA

Miami Intl.

$364 Roundtrip, found 3 days ago

$364

Roundtrip

found 3 days ago

Select United flight, departing Fri, Aug 22 from San Antonio Intl. to Miami Intl., returning Sat, Aug 30, priced at $364 found 3 days ago

Fri, Aug 22 - Sat, Aug 30

SAT

San Antonio Intl.

MIA

Miami Intl.

$386 Roundtrip, found 3 days ago

$386

Roundtrip

found 3 days ago

Select American Airlines flight, departing Fri, Aug 22 from San Antonio Intl. to Miami Intl., returning Sat, Aug 30, priced at $386 found 3 days ago

Thu, Sep 11 - Sun, Sep 14

SAT

San Antonio Intl.

EYW

Key West Intl.

$400 Roundtrip, found 5 days ago

$400

Roundtrip

found 5 days ago

Select American Airlines flight, departing Thu, Sep 11 from San Antonio Intl. to Key West Intl., returning Sun, Sep 14, priced at $400 found 5 days ago

Mon, Sep 8 - Fri, Sep 12

SAT

San Antonio Intl.

EYW

Key West Intl.

$413 Roundtrip, found 5 days ago

$413

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Sep 8 from San Antonio Intl. to Key West Intl., returning Fri, Sep 12, priced at $413 found 5 days ago

Mon, Sep 8 - Tue, Sep 9

SAT

San Antonio Intl.

EYW

Key West Intl.

$459 Roundtrip, found 5 days ago

$459

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Sep 8 from San Antonio Intl. to Key West Intl., returning Tue, Sep 9, priced at $459 found 5 days ago