Flights from Seattle to Lake San Marcos

Cheapest flights from Seattle

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, Oct 18 - Tue, Oct 28

PAE

Seattle Paine Field Intl. Airport

SAN

San Diego Intl.

$157 Roundtrip, found 1 hour ago

$157

Roundtrip

found 1 hour ago

Select Hawaiian Airlines flight, departing Sat, Oct 18 from Seattle Paine Field Intl. Airport to San Diego Intl., returning Tue, Oct 28, priced at $157 found 1 hour ago

Mon, Oct 20 - Tue, Oct 28

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$177 Roundtrip, found 1 hour ago

$177

Roundtrip

found 1 hour ago

Select Hawaiian Airlines flight, departing Mon, Oct 20 from Seattle - Tacoma Intl. to San Diego Intl., returning Tue, Oct 28, priced at $177 found 1 hour ago

Tue, Oct 14 - Tue, Oct 21

PAE

Seattle Paine Field Intl. Airport

SAN

San Diego Intl.

$177 Roundtrip, found 4 days ago

$177

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Tue, Oct 14 from Seattle Paine Field Intl. Airport to San Diego Intl., returning Tue, Oct 21, priced at $177 found 4 days ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$177 Roundtrip, found 1 hour ago

$177

Roundtrip

found 1 hour ago

Select Delta flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $177 found 1 hour ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$184 Roundtrip, found 1 hour ago

$184

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $184 found 1 hour ago

Thu, Oct 16 - Tue, Oct 21

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$187 Roundtrip, found 4 days ago

$187

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Thu, Oct 16 from Seattle - Tacoma Intl. to San Diego Intl., returning Tue, Oct 21, priced at $187 found 4 days ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$187 Roundtrip, found 1 hour ago

$187

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $187 found 1 hour ago

Sat, Oct 18 - Sat, Oct 18

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$191 Roundtrip, found 4 days ago

$191

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Sat, Oct 18 from Seattle - Tacoma Intl. to San Diego Intl., returning Sat, Oct 18, priced at $191 found 4 days ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$192 Roundtrip, found 1 hour ago

$192

Roundtrip

found 1 hour ago

Select Delta flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $192 found 1 hour ago

Mon, Oct 20 - Thu, Oct 30

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$195 Roundtrip, found 1 hour ago

$195

Roundtrip

found 1 hour ago

Select Hawaiian Airlines flight, departing Mon, Oct 20 from Seattle - Tacoma Intl. to San Diego Intl., returning Thu, Oct 30, priced at $195 found 1 hour ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$195 Roundtrip, found 1 hour ago

$195

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $195 found 1 hour ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$196 Roundtrip, found 1 hour ago

$196

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $196 found 1 hour ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$197 Roundtrip, found 1 hour ago

$197

Roundtrip

found 1 hour ago

Select United flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $197 found 1 hour ago

Sun, Oct 19 - Mon, Oct 27

PAE

Seattle Paine Field Intl. Airport

SAN

San Diego Intl.

$197 Roundtrip, found 1 hour ago

$197

Roundtrip

found 1 hour ago

Select Hawaiian Airlines flight, departing Sun, Oct 19 from Seattle Paine Field Intl. Airport to San Diego Intl., returning Mon, Oct 27, priced at $197 found 1 hour ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$200 Roundtrip, found 1 hour ago

$200

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $200 found 1 hour ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$201 Roundtrip, found 1 hour ago

$201

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $201 found 1 hour ago

Thu, Oct 16 - Tue, Oct 21

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$202 Roundtrip, found 4 days ago

$202

Roundtrip

found 4 days ago

Select Delta flight, departing Thu, Oct 16 from Seattle - Tacoma Intl. to San Diego Intl., returning Tue, Oct 21, priced at $202 found 4 days ago

Tue, Oct 21 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$204 Roundtrip, found 1 hour ago

$204

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $204 found 1 hour ago

Fri, Aug 15 - Sat, Aug 23

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$218 Roundtrip, found 2 days ago

$218

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Seattle - Tacoma Intl. to San Diego Intl., returning Sat, Aug 23, priced at $218 found 2 days ago

Thu, Oct 16 - Tue, Oct 21

SEA

Seattle - Tacoma Intl.

CLD

McClellan-Palomar

$231 Roundtrip, found 4 days ago

$231

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Oct 16 from Seattle - Tacoma Intl. to McClellan-Palomar, returning Tue, Oct 21, priced at $231 found 4 days ago