Flights from San Diego, CA

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Traveling From San Diego, CA

Travel to 100 destinations across the States and several international destinations when you fly from San Diego with Frontier Airlines. Looking for the best seats, priority boarding, and additional bags? Upgrade your flight from San Diego with the WORKSâ„  to get these perks and more!

Flying from San Diego International Airport

Located 4.5 km southwest of downtown, San Diego International Airport (SAN) has everything you need to start your trip off right, including Wi-Fi, shopping, and local and popular food! Keep an eye out around the terminal for artwork exhibits, with new pieces always coming in.

Take advantage of the San Diego Airport shuttle (Route 992) for public transportation to the airport. City buses and trolleys connect to this route. For convenience, hail a taxi. Save time and money – be sure to book your flight from San Diego with Frontier Airlines for top deals and great perks.

Best Flight Deals from San Diego, CA with Frontier

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Best Flight Deals from San Diego, CA with Frontier
From
To
San Diego, CA (SAN)Denver, CO (DEN)One-way
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Discount Den Basic Fare		Departing Jan 22, 2026

From

$19

Last seen: 15 hours ago

San Diego, CA (SAN)Las Vegas, NV (LAS)One-way
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Discount Den Basic Fare		Departing Jan 7, 2026

From

$19

Last seen: 11 hours ago

San Diego, CA (SAN)Phoenix, AZ (PHX)One-way
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Discount Den Basic Fare		Departing Feb 26, 2026

From

$19

Last seen: 13 hours ago

San Diego, CA (SAN)San Francisco, CA (SFO)One-way
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Discount Den Basic Fare		Departing Dec 24, 2025

From

$19

Last seen: 3 hours ago

San Diego, CA (SAN)Dallas, TX (DFW)One-way
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Discount Den Basic Fare		Departing Jan 6, 2026

From

$24

Last seen: 5 hours ago

San Diego, CA (SAN)Sacramento, CA (SMF)One-way
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Discount Den Basic Fare		Departing Jan 8, 2026

From

$33

Last seen: 13 hours ago

*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

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