Flights from San Antonio to Herndon

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.

Sat, Aug 9 - Wed, Aug 13

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$154 Roundtrip, found 2 days ago

$154

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Wed, Aug 13, priced at $154 found 2 days ago

Sat, Aug 9 - Thu, Aug 14

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$219 Roundtrip, found 2 days ago

$219

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Thu, Aug 14, priced at $219 found 2 days ago

Sat, Aug 9 - Mon, Aug 11

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$231 Roundtrip, found 2 days ago

$231

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Mon, Aug 11, priced at $231 found 2 days ago

Tue, Aug 12 - Wed, Aug 13

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 12 from San Antonio Intl. to Ronald Reagan Washington National, returning Wed, Aug 13, priced at $237 found 2 days ago

Sat, Aug 9 - Mon, Aug 11

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$241 Roundtrip, found 2 days ago

$241

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Mon, Aug 11, priced at $241 found 2 days ago

Sat, Aug 9 - Mon, Aug 11

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$251 Roundtrip, found 2 days ago

$251

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Mon, Aug 11, priced at $251 found 2 days ago

Sat, Aug 9 - Mon, Aug 11

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$251 Roundtrip, found 2 days ago

$251

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Mon, Aug 11, priced at $251 found 2 days ago

Wed, Aug 6 - Sun, Aug 17

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$253 Roundtrip, found 2 days ago

$253

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Aug 6 from San Antonio Intl. to Ronald Reagan Washington National, returning Sun, Aug 17, priced at $253 found 2 days ago

Sat, Aug 9 - Mon, Aug 11

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$254 Roundtrip, found 2 days ago

$254

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Mon, Aug 11, priced at $254 found 2 days ago

Tue, Jun 24 - Tue, Jul 1

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$259 Roundtrip, found 2 hours ago

$259

Roundtrip

found 2 hours ago

Select Delta flight, departing Tue, Jun 24 from San Antonio Intl. to Ronald Reagan Washington National, returning Tue, Jul 1, priced at $259 found 2 hours ago

Wed, Aug 6 - Wed, Aug 6

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$268 Roundtrip, found 2 days ago

$268

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Aug 6 from San Antonio Intl. to Ronald Reagan Washington National, returning Wed, Aug 6, priced at $268 found 2 days ago

Tue, Jul 22 - Thu, Jul 31

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$269 Roundtrip, found 6 days ago

$269

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Jul 22 from San Antonio Intl. to Ronald Reagan Washington National, returning Thu, Jul 31, priced at $269 found 6 days ago

Tue, Jun 24 - Tue, Jul 1

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$269 Roundtrip, found 2 hours ago

$269

Roundtrip

found 2 hours ago

Select American Airlines flight, departing Tue, Jun 24 from San Antonio Intl. to Ronald Reagan Washington National, returning Tue, Jul 1, priced at $269 found 2 hours ago

Sat, Aug 9 - Mon, Aug 11

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$270 Roundtrip, found 2 days ago

$270

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Mon, Aug 11, priced at $270 found 2 days ago

Sat, Aug 9 - Mon, Aug 11

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$274 Roundtrip, found 2 days ago

$274

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Mon, Aug 11, priced at $274 found 2 days ago

Tue, Jun 24 - Tue, Jul 1

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$279 Roundtrip, found 2 hours ago

$279

Roundtrip

found 2 hours ago

Select American Airlines flight, departing Tue, Jun 24 from San Antonio Intl. to Ronald Reagan Washington National, returning Tue, Jul 1, priced at $279 found 2 hours ago

Sun, Jul 20 - Tue, Jul 29

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$280 Roundtrip, found 6 days ago

$280

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Jul 20 from San Antonio Intl. to Ronald Reagan Washington National, returning Tue, Jul 29, priced at $280 found 6 days ago

Sat, Aug 9 - Mon, Aug 11

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$281 Roundtrip, found 2 days ago

$281

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Aug 9 from San Antonio Intl. to Ronald Reagan Washington National, returning Mon, Aug 11, priced at $281 found 2 days ago

Tue, Jun 24 - Mon, Jun 30

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$283 Roundtrip, found 2 hours ago

$283

Roundtrip

found 2 hours ago

Select Delta flight, departing Tue, Jun 24 from San Antonio Intl. to Ronald Reagan Washington National, returning Mon, Jun 30, priced at $283 found 2 hours ago

Sun, Aug 10 - Thu, Aug 14

SAT

San Antonio Intl.

DCA

Ronald Reagan Washington National

$284 Roundtrip, found 2 days ago

$284

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 10 from San Antonio Intl. to Ronald Reagan Washington National, returning Thu, Aug 14, priced at $284 found 2 days ago