Flights from San Antonio to Boston

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.

Mon, Jun 23 - Thu, Jun 26

SAT

San Antonio Intl.

BOS

Logan Intl.

$205 Roundtrip, found 4 days ago

$205

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Mon, Jun 23 from San Antonio Intl. to Logan Intl., returning Thu, Jun 26, priced at $205 found 4 days ago

Thu, Jun 19 - Sun, Jun 22

SAT

San Antonio Intl.

BOS

Logan Intl.

$209 Roundtrip, found 4 days ago

$209

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Jun 19 from San Antonio Intl. to Logan Intl., returning Sun, Jun 22, priced at $209 found 4 days ago

Sun, Jun 22 - Thu, Jun 26

SAT

San Antonio Intl.

BOS

Logan Intl.

$229 Roundtrip, found 4 days ago

$229

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sun, Jun 22 from San Antonio Intl. to Logan Intl., returning Thu, Jun 26, priced at $229 found 4 days ago

Fri, Jun 20 - Sun, Jun 22

SAT

San Antonio Intl.

BOS

Logan Intl.

$230 Roundtrip, found 4 days ago

$230

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Jun 20 from San Antonio Intl. to Logan Intl., returning Sun, Jun 22, priced at $230 found 4 days ago

Tue, Jun 24 - Thu, Jun 26

SAT

San Antonio Intl.

BOS

Logan Intl.

$238 Roundtrip, found 4 days ago

$238

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Jun 24 from San Antonio Intl. to Logan Intl., returning Thu, Jun 26, priced at $238 found 4 days ago

Wed, Jun 18 - Sun, Jun 22

SAT

San Antonio Intl.

BOS

Logan Intl.

$239 Roundtrip, found 4 days ago

$239

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Wed, Jun 18 from San Antonio Intl. to Logan Intl., returning Sun, Jun 22, priced at $239 found 4 days ago

Mon, Jun 23 - Wed, Jun 25

SAT

San Antonio Intl.

BOS

Logan Intl.

$244 Roundtrip, found 4 days ago

$244

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Mon, Jun 23 from San Antonio Intl. to Logan Intl., returning Wed, Jun 25, priced at $244 found 4 days ago

Wed, Jun 25 - Thu, Jun 26

SAT

San Antonio Intl.

BOS

Logan Intl.

$250 Roundtrip, found 4 days ago

$250

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Wed, Jun 25 from San Antonio Intl. to Logan Intl., returning Thu, Jun 26, priced at $250 found 4 days ago

Thu, Jun 19 - Fri, Jun 27

SAT

San Antonio Intl.

BOS

Logan Intl.

$258 Roundtrip, found 4 days ago

$258

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Jun 19 from San Antonio Intl. to Logan Intl., returning Fri, Jun 27, priced at $258 found 4 days ago

Sat, Jun 21 - Sun, Jun 22

SAT

San Antonio Intl.

BOS

Logan Intl.

$259 Roundtrip, found 4 days ago

$259

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Jun 21 from San Antonio Intl. to Logan Intl., returning Sun, Jun 22, priced at $259 found 4 days ago

Sun, Jun 22 - Tue, Jun 24

SAT

San Antonio Intl.

BOS

Logan Intl.

$268 Roundtrip, found 4 days ago

$268

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sun, Jun 22 from San Antonio Intl. to Logan Intl., returning Tue, Jun 24, priced at $268 found 4 days ago

Wed, Jun 18 - Wed, Jun 25

SAT

San Antonio Intl.

BOS

Logan Intl.

$269 Roundtrip, found 4 days ago

$269

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Jun 18 from San Antonio Intl. to Logan Intl., returning Wed, Jun 25, priced at $269 found 4 days ago

Wed, Jun 18 - Sat, Jun 21

SAT

San Antonio Intl.

BOS

Logan Intl.

$278 Roundtrip, found 4 days ago

$278

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Wed, Jun 18 from San Antonio Intl. to Logan Intl., returning Sat, Jun 21, priced at $278 found 4 days ago

Fri, Jun 20 - Fri, Jun 27

SAT

San Antonio Intl.

BOS

Logan Intl.

$279 Roundtrip, found 4 days ago

$279

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Jun 20 from San Antonio Intl. to Logan Intl., returning Fri, Jun 27, priced at $279 found 4 days ago

Sun, Jun 22 - Mon, Jun 23

SAT

San Antonio Intl.

BOS

Logan Intl.

$280 Roundtrip, found 4 days ago

$280

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sun, Jun 22 from San Antonio Intl. to Logan Intl., returning Mon, Jun 23, priced at $280 found 4 days ago

Tue, Jun 24 - Fri, Jun 27

SAT

San Antonio Intl.

BOS

Logan Intl.

$287 Roundtrip, found 4 days ago

$287

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Jun 24 from San Antonio Intl. to Logan Intl., returning Fri, Jun 27, priced at $287 found 4 days ago

Wed, Jun 18 - Fri, Jun 27

SAT

San Antonio Intl.

BOS

Logan Intl.

$288 Roundtrip, found 4 days ago

$288

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Wed, Jun 18 from San Antonio Intl. to Logan Intl., returning Fri, Jun 27, priced at $288 found 4 days ago

Sat, Jun 21 - Fri, Jun 27

SAT

San Antonio Intl.

BOS

Logan Intl.

$289 Roundtrip, found 4 days ago

$289

Roundtrip

found 4 days ago

Select Delta flight, departing Sat, Jun 21 from San Antonio Intl. to Logan Intl., returning Fri, Jun 27, priced at $289 found 4 days ago

Sat, Jun 21 - Tue, Jun 24

SAT

San Antonio Intl.

BOS

Logan Intl.

$291 Roundtrip, found 4 days ago

$291

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Jun 21 from San Antonio Intl. to Logan Intl., returning Tue, Jun 24, priced at $291 found 4 days ago

Sat, Jun 21 - Tue, Jun 24

SAT

San Antonio Intl.

BOS

Logan Intl.

$295 Roundtrip, found 4 days ago

$295

Roundtrip

found 4 days ago

Select United flight, departing Sat, Jun 21 from San Antonio Intl. to Logan Intl., returning Tue, Jun 24, priced at $295 found 4 days ago