Flights from Baltimore to Bostonia

Cheapest flights from Baltimore

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, Jul 19 - Wed, Jul 23

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$204 Roundtrip, found 1 day ago

$204

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Ronald Reagan Washington National to San Diego Intl., returning Wed, Jul 23, priced at $204 found 1 day ago

Wed, Jul 16 - Fri, Jul 18

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$220 Roundtrip, found 1 day ago

$220

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Ronald Reagan Washington National to San Diego Intl., returning Fri, Jul 18, priced at $220 found 1 day ago

Sat, Jul 19 - Tue, Jul 22

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$235 Roundtrip, found 1 day ago

$235

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Ronald Reagan Washington National to San Diego Intl., returning Tue, Jul 22, priced at $235 found 1 day ago

Wed, Jul 16 - Mon, Jul 21

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$236 Roundtrip, found 1 day ago

$236

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Ronald Reagan Washington National to San Diego Intl., returning Mon, Jul 21, priced at $236 found 1 day ago

Sun, Jul 20 - Wed, Jul 23

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$250 Roundtrip, found 1 day ago

$250

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Ronald Reagan Washington National to San Diego Intl., returning Wed, Jul 23, priced at $250 found 1 day ago

Wed, Jul 16 - Sat, Jul 19

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$251 Roundtrip, found 1 day ago

$251

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Ronald Reagan Washington National to San Diego Intl., returning Sat, Jul 19, priced at $251 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$266 Roundtrip, found 1 day ago

$266

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Ronald Reagan Washington National to San Diego Intl., returning Mon, Jul 21, priced at $266 found 1 day ago

Sun, Jul 20 - Tue, Jul 22

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$281 Roundtrip, found 1 day ago

$281

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Ronald Reagan Washington National to San Diego Intl., returning Tue, Jul 22, priced at $281 found 1 day ago

Sat, Jun 21 - Sat, Jun 28

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$286 Roundtrip, found 2 days ago

$286

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Sat, Jun 21 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Sat, Jun 28, priced at $286 found 2 days ago

Sat, Jul 19 - Sun, Jul 20

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$289 Roundtrip, found 1 day ago

$289

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Ronald Reagan Washington National to San Diego Intl., returning Sun, Jul 20, priced at $289 found 1 day ago

Mon, May 19 - Sat, May 24

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$291 Roundtrip, found 2 days ago

$291

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, May 19 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Sat, May 24, priced at $291 found 2 days ago

Thu, Jul 17 - Sun, Jul 20

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$305 Roundtrip, found 1 day ago

$305

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Ronald Reagan Washington National to San Diego Intl., returning Sun, Jul 20, priced at $305 found 1 day ago

Sat, Jun 21 - Sat, Jun 28

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$310 Roundtrip, found 2 days ago

$310

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Sat, Jun 21 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Sat, Jun 28, priced at $310 found 2 days ago

Thu, Jul 17 - Sun, Jul 20

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$337 Roundtrip, found 1 day ago

$337

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 17 from Ronald Reagan Washington National to San Diego Intl., returning Sun, Jul 20, priced at $337 found 1 day ago

Thu, Jul 17 - Sun, Jul 20

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$337 Roundtrip, found 1 day ago

$337

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Jul 17 from Ronald Reagan Washington National to San Diego Intl., returning Sun, Jul 20, priced at $337 found 1 day ago

Thu, Jul 17 - Sun, Jul 20

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$348 Roundtrip, found 1 day ago

$348

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Thu, Jul 17 from Ronald Reagan Washington National to San Diego Intl., returning Sun, Jul 20, priced at $348 found 1 day ago

Thu, Jul 17 - Sun, Jul 20

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$378 Roundtrip, found 1 day ago

$378

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Thu, Jul 17 from Ronald Reagan Washington National to San Diego Intl., returning Sun, Jul 20, priced at $378 found 1 day ago

Thu, Jul 17 - Sun, Jul 20

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$397 Roundtrip, found 1 day ago

$397

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Thu, Jul 17 from Ronald Reagan Washington National to San Diego Intl., returning Sun, Jul 20, priced at $397 found 1 day ago

Thu, Jul 17 - Sun, Jul 20

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$403 Roundtrip, found 1 day ago

$403

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Jul 17 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Sun, Jul 20, priced at $403 found 1 day ago

Thu, Jul 17 - Sun, Jul 20

DCA

Ronald Reagan Washington National

CLD

McClellan-Palomar

$437 Roundtrip, found 1 day ago

$437

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Jul 17 from Ronald Reagan Washington National to McClellan-Palomar, returning Sun, Jul 20, priced at $437 found 1 day ago