Lowest Priced Flights to San Diego on Alaska Airlines starting at $39*

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Most popular flights to San Diego on Alaska Airlines.*

$
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Seattle (SEA)to

San Diego (SAN)
Depart: Sep 17, 2025
From
$98
Seen: 1 hour ago
One-way
Saver

Seattle (SEA)to

San Diego (SAN)
Depart: Sep 10, 2025
From
$98
Seen: 1 hour ago
One-way
Saver

Seattle (SEA)to

San Diego (SAN)
Depart: Sep 16, 2025
From
$98
Seen: 1 hour ago
One-way
Saver

Seattle (SEA)to

San Diego (SAN)
Depart: Sep 9, 2025
From
$104
Seen: 1 hour ago
One-way
Saver

Seattle (SEA)to

San Diego (SAN)
Depart: Sep 13, 2025
From
$104
Seen: 1 hour ago
One-way
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: Sep 9, 2025
From
$39
Seen: 1 hour ago
One-way
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: Sep 14, 2025
From
$39
Seen: 1 hour ago
One-way
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: Sep 17, 2025
From
$39
Seen: 1 hour ago
One-way
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: Sep 7, 2025
From
$39
Seen: 1 hour ago
One-way
Saver

San Francisco (SFO)to

San Diego (SAN)
Depart: Sep 8, 2025
From
$39
Seen: 1 hour ago
One-way
Saver

Portland (PDX)to

San Diego (SAN)
Depart: Sep 9, 2025
From
$89
Seen: 1 hour ago
One-way
Saver

Portland (PDX)to

San Diego (SAN)
Depart: Sep 16, 2025
From
$89
Seen: 1 hour ago
One-way
Saver

Portland (PDX)to

San Diego (SAN)
Depart: Sep 17, 2025
From
$89
Seen: 1 hour ago
One-way
Saver

Portland (PDX)to

San Diego (SAN)
Depart: Sep 13, 2025
From
$89
Seen: 1 hour ago
One-way
Saver

Portland (PDX)to

San Diego (SAN)
Depart: Sep 10, 2025
From
$98
Seen: 1 hour ago
One-way
Saver

New York (JFK)to

San Diego (SAN)
Depart: Sep 10, 2025
From
$119
Seen: 1 hour ago
One-way
Saver

New York (JFK)to

San Diego (SAN)
Depart: Sep 13, 2025
From
$119
Seen: 1 hour ago
One-way
Saver

New York (JFK)to

San Diego (SAN)
Depart: Sep 16, 2025
From
$119
Seen: 1 hour ago
One-way
Saver

New York (JFK)to

San Diego (SAN)
Depart: Sep 17, 2025
From
$119
Seen: 1 hour ago
One-way
Saver

New York (JFK)to

San Diego (SAN)
Depart: Sep 9, 2025
From
$119
Seen: 32 minutes ago
One-way
Saver

*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. 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.*

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Top offers for San Diego one-way flights.*
From
To
Fare Type
Dates
Price
Phoenix (PHX)San Diego (SAN)One-way
|
Saver
Depart: Oct 26, 2025

From

$49

Seen: 8 hours ago

Phoenix (PHX)San Diego (SAN)One-way
|
Saver
Depart: Nov 18, 2025

From

$49

Seen: 17 hours ago

Phoenix (PHX)San Diego (SAN)One-way
|
Saver
Depart: Nov 12, 2025

From

$49

Seen: 12 hours ago

Phoenix (PHX)San Diego (SAN)One-way
|
Saver
Depart: Dec 5, 2025

From

$49

Seen: 13 hours ago

Phoenix (PHX)San Diego (SAN)One-way
|
Saver
Depart: Oct 24, 2025

From

$49

Seen: 11 hours ago

Phoenix (PHX)San Diego (SAN)One-way
|
Saver
Depart: Oct 16, 2025

From

$49

Seen: 11 hours ago

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

From

$59

Seen: 1 hour ago

San Francisco (SFO)San Diego (SAN)One-way
|
Saver
Depart: Oct 3, 2025

From

$59

Seen: 1 hour ago

San Francisco (SFO)San Diego (SAN)One-way
|
Saver
Depart: Oct 5, 2025

From

$59

Seen: 1 hour ago

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

From

$59

Seen: 1 hour ago

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

From

$59

Seen: 1 hour ago

San Francisco (SFO)San Diego (SAN)One-way
|
Saver
Depart: Jan 10, 2026

From

$59

Seen: 1 hour ago

San Jose (SJC)San Diego (SAN)One-way
|
Saver
Depart: Oct 13, 2025

From

$59

Seen: 1 hour ago

San Jose (SJC)San Diego (SAN)One-way
|
Saver
Depart: Oct 23, 2025

From

$59

Seen: 1 hour ago

San Jose (SJC)San Diego (SAN)One-way
|
Saver
Depart: Oct 30, 2025

From

$59

Seen: 1 hour ago

San Jose (SJC)San Diego (SAN)One-way
|
Saver
Depart: Sep 25, 2025

From

$59

Seen: 1 hour ago

San Jose (SJC)San Diego (SAN)One-way
|
Saver
Depart: Oct 6, 2025

From

$59

Seen: 1 hour ago

San Jose (SJC)San Diego (SAN)One-way
|
Saver
Depart: Nov 6, 2025

From

$59

Seen: 1 hour ago

Sacramento (SMF)San Diego (SAN)One-way
|
Saver
Depart: Sep 27, 2025

From

$59

Seen: 1 hour ago

Sacramento (SMF)San Diego (SAN)One-way
|
Saver
Depart: Oct 15, 2025

From

$59

Seen: 1 hour ago

*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

Plan a trip to San Diego

San Diego is a sun-soaked Southern California city known for its laid-back vibe, stunning beaches, and some of the best tacos you'll find in the United States. Often called “America’s Finest City,” San Diego blends outdoor adventure with urban sophistication. From the historic Gaslamp Quarter to the scenic cliffs of La Jolla, there's a little something for everyone in San Diego. Few cities balance coastal charm and cultural depth quite like San Diego. Come discover it for yourself


Things to do in San Diego

  • Relax on the sandy shores of Coronado Beach, Mission Beach, or Pacific Beach.
  • Visit the San Diego Zoo and Safari Park, home to thousands of rare and endangered animals.
  • Stroll through Balboa Park, a cultural oasis with museums, gardens, and Spanish-inspired architecture.
  • Explore the Gaslamp Quarter’s lively nightlife, dining, and historic charm.
  • Go tide pooling or kayaking in the sea caves of La Jolla.
  • Tour the USS Midway Museum and learn about San Diego’s naval history on a real aircraft carrier.

Best time to travel to San Diego

San Diego is a year-round destination with mild weather, but the best times to visit are spring (March to May) and fall (September to November) when the weather is pleasant, crowds are lighter, and hotel prices are more affordable. Summer brings vibrant beach scenes and festivals, while winter offers a quieter coastal escape with plenty of sunshine.


Flying into San Diego International Airport (SAN)

View airport information for the San Diego International Airport (SAN)

Not the beach destination you’re looking for? View more California flight deals from Alaska Airlines.

Top San Diego routes with Alaska Airlines