Lowest Priced Flights to San Diego on Alaska Airlines starting at $29*

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Most popular flights to San Diego on Alaska Airlines.*

Seattle (SEA)to

San Diego (SAN)
Depart: May 17, 2025
From
$79
Seen: 8 hours ago
One-way
|
Saver

Seattle (SEA)to

San Diego (SAN)
Depart: May 20, 2025
From
$79
Seen: 1 hour ago
One-way
|
Saver

Seattle (SEA)to

San Diego (SAN)
Depart: May 21, 2025
From
$79
Seen: 15 hours ago
One-way
|
Saver

Seattle (SEA)to

San Diego (SAN)
Depart: May 19, 2025
From
$79
Seen: 23 minutes ago
One-way
|
Saver

Seattle (SEA)to

San Diego (SAN)
Depart: May 26, 2025
From
$79
Seen: 23 minutes ago
One-way
|
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: May 13, 2025
From
$29
Seen: 2 minutes ago
One-way
|
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: May 21, 2025
From
$29
Seen: 4 hours ago
One-way
|
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: May 26, 2025
From
$29
Seen: 8 hours ago
One-way
|
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: May 20, 2025
From
$29
Seen: 6 hours ago
One-way
|
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: May 6, 2025
From
$39
Seen: 7 hours ago
One-way
|
Saver

Portland (PDX)to

San Diego (SAN)
Depart: May 21, 2025
From
$89
Seen: 1 hour ago
One-way
|
Saver

Portland (PDX)to

San Diego (SAN)
Depart: May 20, 2025
From
$89
Seen: 2 minutes ago
One-way
|
Saver

Portland (PDX)to

San Diego (SAN)
Depart: May 24, 2025
From
$99
Seen: 12 hours ago
One-way
|
Saver

Portland (PDX)to

San Diego (SAN)
Depart: May 19, 2025
From
$99
Seen: 8 hours ago
One-way
|
Saver

Portland (PDX)to

San Diego (SAN)
Depart: May 18, 2025
From
$99
Seen: 6 hours ago
One-way
|
Saver

San Jose (SJC)to

San Diego (SAN)
Depart: May 17, 2025
From
$49
Seen: 8 hours ago
One-way
|
Saver

San Jose (SJC)to

San Diego (SAN)
Depart: May 20, 2025
From
$49
Seen: 6 hours ago
One-way
|
Saver

San Jose (SJC)to

San Diego (SAN)
Depart: May 21, 2025
From
$49
Seen: 2 hours ago
One-way
|
Saver

San Jose (SJC)to

San Diego (SAN)
Depart: May 19, 2025
From
$51
Seen: 17 hours ago
One-way
|
Saver

San Jose (SJC)to

San Diego (SAN)
Depart: May 18, 2025
From
$59
Seen: 14 hours ago
One-way
|
Saver

*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

Top offers for San Diego one-way flights.*

Top offers for San Diego one-way flights.*
From
To
Fare Type
Dates
Price
San Francisco (SFO)San Diego (SAN)One-way
|
Main
Depart: Aug 5, 2025

From

$59

Seen: 10 hours ago

San Francisco (SFO)San Diego (SAN)One-way
|
Main
Depart: Jun 9, 2025

From

$59

Seen: 9 hours ago

San Francisco (SFO)San Diego (SAN)One-way
|
Main
Depart: May 27, 2025

From

$59

Seen: 6 hours ago

San Francisco (SFO)San Diego (SAN)One-way
|
Main
Depart: Aug 4, 2025

From

$59

Seen: 10 hours ago

San Francisco (SFO)San Diego (SAN)One-way
|
Main
Depart: Aug 6, 2025

From

$59

Seen: 10 hours ago

San Francisco (SFO)San Diego (SAN)One-way
|
Main
Depart: Jun 2, 2025

From

$59

Seen: 9 hours ago

San Jose (SJC)San Diego (SAN)One-way
|
Main
Depart: Oct 29, 2025

From

$79

Seen: 10 hours ago

San Jose (SJC)San Diego (SAN)One-way
|
Main
Depart: Jun 3, 2025

From

$79

Seen: 7 hours ago

San Jose (SJC)San Diego (SAN)One-way
|
Main
Depart: Jun 4, 2025

From

$79

Seen: 7 hours ago

San Jose (SJC)San Diego (SAN)One-way
|
Main
Depart: Jun 10, 2025

From

$79

Seen: 7 hours ago

San Jose (SJC)San Diego (SAN)One-way
|
Main
Depart: May 27, 2025

From

$79

Seen: 7 hours ago

San Jose (SJC)San Diego (SAN)One-way
|
Main
Depart: Jun 11, 2025

From

$79

Seen: 7 hours ago

Las Vegas (LAS)San Diego (SAN)One-way
|
Main
Depart: Jul 12, 2025

From

$79

Seen: 17 hours ago

Las Vegas (LAS)San Diego (SAN)One-way
|
Main
Depart: Nov 13, 2025

From

$79

Seen: 13 hours ago

Las Vegas (LAS)San Diego (SAN)One-way
|
Main
Depart: May 29, 2025

From

$79

Seen: 14 hours ago

Las Vegas (LAS)San Diego (SAN)One-way
|
Main
Depart: Jul 28, 2025

From

$79

Seen: 12 hours ago

Las Vegas (LAS)San Diego (SAN)One-way
|
Main
Depart: Jul 23, 2025

From

$79

Seen: 6 hours ago

Las Vegas (LAS)San Diego (SAN)One-way
|
Main
Depart: Jun 29, 2025

From

$79

Seen: 3 hours ago

Fresno (FAT)San Diego (SAN)One-way
|
Main
Depart: Jun 3, 2025

From

$89

Seen: 14 hours ago

Fresno (FAT)San Diego (SAN)One-way
|
Main
Depart: May 28, 2025

From

$89

Seen: 14 hours ago

*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

Plan a trip to San Diego

Blessed with more than 300 days of sunshine a year and consistently mild temperatures, San Diego is a coastal paradise rich in history and natural beauty. As the site of California’s first European settlement in 1769, the city blends old-world charm with modern attractions. Spend a day at the stunning Spanish-inspired Balboa Park, relax with a picnic in front of the Botanical Building, and explore the world-famous San Diego Zoo. End your day with breathtaking sunset views at La Jolla Cove or Coronado Beach.


Things to do in San Diego

  • Hit the waves and surf at beaches like Coronado, La Jolla, Del Mar, Sunset Cliffs, or Mission Beach.
  • Visit Balboa Park, home to gardens, museums, and the world-famous San Diego Zoo.
  • Explore the historic Gaslamp Quarter, known for its dining and nightlife.
  • Walk through the USS Midway Museum to experience life on an aircraft carrier.
  • Enjoy stunning ocean views and wildlife at La Jolla Cove.
  • Take a harbor cruise to see the San Diego skyline and naval ships.

Best time to travel to San Diego

The best time to visit San Diego is during spring (March to May) and fall (September to November) when the weather is warm and the city is less crowded. Summer (June to August) is also popular for its sunny days and beach activities, though it can be busier with tourists. Winter (December to February) offers mild temperatures and fewer crowds, making it a great time to explore attractions.

View airport information for San Diego (SAN)

Want to browse additional sunny west coast destinations? View more California flight deals from Alaska Airlines.

Top San Diego routes with Alaska Airlines