Flights from Seattle to National City

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.

Tue, Oct 21 - Tue, Oct 28

PAE

Seattle Paine Field Intl. Airport

SAN

San Diego Intl.

$177 Roundtrip, found 3 days ago

$177

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Tue, Oct 21 from Seattle Paine Field Intl. Airport to San Diego Intl., returning Tue, Oct 28, priced at $177 found 3 days ago

Mon, Oct 20 - Tue, Oct 28

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$187 Roundtrip, found 3 days ago

$187

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Mon, Oct 20 from Seattle - Tacoma Intl. to San Diego Intl., returning Tue, Oct 28, priced at $187 found 3 days ago

Sun, Oct 19 - Tue, Oct 28

PAE

Seattle Paine Field Intl. Airport

SAN

San Diego Intl.

$187 Roundtrip, found 3 days ago

$187

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Sun, Oct 19 from Seattle Paine Field Intl. Airport to San Diego Intl., returning Tue, Oct 28, priced at $187 found 3 days ago

Sun, Oct 19 - Mon, Oct 27

PAE

Seattle Paine Field Intl. Airport

SAN

San Diego Intl.

$197 Roundtrip, found 3 days ago

$197

Roundtrip

found 3 days 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 3 days ago

Tue, Aug 12 - Sat, Aug 16

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$208 Roundtrip, found 5 days ago

$208

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Seattle - Tacoma Intl. to San Diego Intl., returning Sat, Aug 16, priced at $208 found 5 days ago

Wed, Oct 22 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$215 Roundtrip, found 3 days ago

$215

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $215 found 3 days ago

Thu, Oct 23 - Fri, Oct 24

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$216 Roundtrip, found 3 days ago

$216

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Thu, Oct 23 from Seattle - Tacoma Intl. to San Diego Intl., returning Fri, Oct 24, priced at $216 found 3 days ago

Sat, Aug 9 - Sat, Aug 16

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$218 Roundtrip, found 5 days ago

$218

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Aug 9 from Seattle - Tacoma Intl. to San Diego Intl., returning Sat, Aug 16, priced at $218 found 5 days ago

Wed, Oct 22 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$226 Roundtrip, found 3 days ago

$226

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $226 found 3 days ago

Sat, Aug 9 - Fri, Aug 15

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$228 Roundtrip, found 5 days ago

$228

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Aug 9 from Seattle - Tacoma Intl. to San Diego Intl., returning Fri, Aug 15, priced at $228 found 5 days ago

Wed, Oct 22 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$231 Roundtrip, found 3 days ago

$231

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $231 found 3 days ago

Wed, Oct 22 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$234 Roundtrip, found 3 days ago

$234

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $234 found 3 days ago

Wed, Oct 22 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$235 Roundtrip, found 3 days ago

$235

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $235 found 3 days ago

Wed, Oct 22 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$236 Roundtrip, found 3 days ago

$236

Roundtrip

found 3 days ago

Select American Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $236 found 3 days ago

Wed, Oct 22 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

SAN

San Diego Intl.

$240 Roundtrip, found 3 days ago

$240

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Oct 27, priced at $240 found 3 days ago

Wed, Oct 22 - Mon, Oct 27

PAE

Seattle Paine Field Intl. Airport

SAN

San Diego Intl.

$267 Roundtrip, found 3 days ago

$267

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Seattle Paine Field Intl. Airport to San Diego Intl., returning Mon, Oct 27, priced at $267 found 3 days ago

Wed, Oct 22 - Mon, Oct 27

PAE

Seattle Paine Field Intl. Airport

SAN

San Diego Intl.

$267 Roundtrip, found 3 days ago

$267

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Seattle Paine Field Intl. Airport to San Diego Intl., returning Mon, Oct 27, priced at $267 found 3 days ago

Wed, Oct 22 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

CLD

McClellan-Palomar

$280 Roundtrip, found 3 days ago

$280

Roundtrip

found 3 days ago

Select American Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to McClellan-Palomar, returning Mon, Oct 27, priced at $280 found 3 days ago

Wed, Oct 22 - Mon, Oct 27

SEA

Seattle - Tacoma Intl.

CLD

McClellan-Palomar

$297 Roundtrip, found 3 days ago

$297

Roundtrip

found 3 days ago

Select American Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to McClellan-Palomar, returning Mon, Oct 27, priced at $297 found 3 days ago

Wed, Oct 22 - Mon, Oct 27

PAE

Seattle Paine Field Intl. Airport

SAN

San Diego Intl.

$300 Roundtrip, found 3 days ago

$300

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Seattle Paine Field Intl. Airport to San Diego Intl., returning Mon, Oct 27, priced at $300 found 3 days ago