Flights from Washington to San Ysidro

Cheapest flights from Washington

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, Jun 24 - Tue, Jul 1

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$234 Roundtrip, found 4 days ago

$234

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Jun 24 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Tue, Jul 1, priced at $234 found 4 days ago

Tue, Jun 24 - Wed, Jul 2

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$239 Roundtrip, found 4 days ago

$239

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Jun 24 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Wed, Jul 2, priced at $239 found 4 days ago

Tue, Jun 24 - Tue, Jul 1

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$245 Roundtrip, found 4 days ago

$245

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Jun 24 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Tue, Jul 1, priced at $245 found 4 days ago

Tue, Jun 24 - Sat, Jul 12

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$248 Roundtrip, found 2 days ago

$248

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Tue, Jun 24 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Sat, Jul 12, priced at $248 found 2 days ago

Tue, Jul 15 - Wed, Jul 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$251 Roundtrip, found 5 hours ago

$251

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Tue, Jul 15 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Wed, Jul 16, priced at $251 found 5 hours ago

Tue, Jun 24 - Sat, Jul 12

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$255 Roundtrip, found 2 days ago

$255

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Tue, Jun 24 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Sat, Jul 12, priced at $255 found 2 days ago

Mon, Oct 6 - Sat, Oct 18

IAD

Washington Dulles Intl.

SAN

San Diego Intl.

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Oct 6 from Washington Dulles Intl. to San Diego Intl., returning Sat, Oct 18, priced at $257 found 1 day ago

Mon, Oct 6 - Sat, Oct 18

IAD

Washington Dulles Intl.

SAN

San Diego Intl.

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 6 from Washington Dulles Intl. to San Diego Intl., returning Sat, Oct 18, priced at $257 found 1 day ago

Sat, Jun 7 - Wed, Jun 11

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$258 Roundtrip, found 6 days ago

$258

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Ronald Reagan Washington National to San Diego Intl., returning Wed, Jun 11, priced at $258 found 6 days ago

Sat, Jul 12 - Wed, Jul 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$261 Roundtrip, found 5 hours ago

$261

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Sat, Jul 12 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Wed, Jul 16, priced at $261 found 5 hours ago

Mon, Oct 6 - Sat, Oct 18

IAD

Washington Dulles Intl.

SAN

San Diego Intl.

$263 Roundtrip, found 1 day ago

$263

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 6 from Washington Dulles Intl. to San Diego Intl., returning Sat, Oct 18, priced at $263 found 1 day ago

Tue, Jun 24 - Sat, Jul 12

IAD

Washington Dulles Intl.

SAN

San Diego Intl.

$263 Roundtrip, found 2 days ago

$263

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Jun 24 from Washington Dulles Intl. to San Diego Intl., returning Sat, Jul 12, priced at $263 found 2 days ago

Tue, Jun 17 - Tue, Jul 1

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$264 Roundtrip, found 2 days ago

$264

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Tue, Jun 17 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Tue, Jul 1, priced at $264 found 2 days ago

Mon, Jun 30 - Mon, Jul 7

DCA

Ronald Reagan Washington National

SAN

San Diego Intl.

$267 Roundtrip, found 4 days ago

$267

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Mon, Jun 30 from Ronald Reagan Washington National to San Diego Intl., returning Mon, Jul 7, priced at $267 found 4 days ago

Mon, Oct 6 - Sat, Oct 18

IAD

Washington Dulles Intl.

SAN

San Diego Intl.

$267 Roundtrip, found 1 day ago

$267

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 6 from Washington Dulles Intl. to San Diego Intl., returning Sat, Oct 18, priced at $267 found 1 day ago

Tue, Jul 15 - Thu, Jul 17

BWI

Baltimore Washington Intl. Thurgood Marshall

SAN

San Diego Intl.

$268 Roundtrip, found 5 hours ago

$268

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Tue, Jul 15 from Baltimore Washington Intl. Thurgood Marshall to San Diego Intl., returning Thu, Jul 17, priced at $268 found 5 hours ago

Mon, Oct 6 - Sat, Oct 18

IAD

Washington Dulles Intl.

SAN

San Diego Intl.

$277 Roundtrip, found 1 day ago

$277

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Oct 6 from Washington Dulles Intl. to San Diego Intl., returning Sat, Oct 18, priced at $277 found 1 day ago

Mon, Oct 6 - Sat, Oct 18

IAD

Washington Dulles Intl.

SAN

San Diego Intl.

$307 Roundtrip, found 1 day ago

$307

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Oct 6 from Washington Dulles Intl. to San Diego Intl., returning Sat, Oct 18, priced at $307 found 1 day ago

Mon, Oct 6 - Sat, Oct 18

IAD

Washington Dulles Intl.

SAN

San Diego Intl.

$317 Roundtrip, found 1 day ago

$317

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Mon, Oct 6 from Washington Dulles Intl. to San Diego Intl., returning Sat, Oct 18, priced at $317 found 1 day ago

Tue, Jun 24 - Thu, Jul 10

DCA

Ronald Reagan Washington National

CLD

McClellan-Palomar

$337 Roundtrip, found 2 days ago

$337

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Jun 24 from Ronald Reagan Washington National to McClellan-Palomar, returning Thu, Jul 10, priced at $337 found 2 days ago