Cheap flights from San Antonio to San Diego from £121

Cheap flights from San Antonio to San Diego from £121

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1 stop
Tue, Jul 7
San Antonio SATSan Diego SAN
£121
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1 stop
Wed, Jul 8
San Antonio SATSan Diego SAN
£187
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1 stop
Wed, Jul 8
San Antonio SATSan Diego SAN
£187
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1 stop
Wed, Jul 8
San Antonio SATSan Diego SAN
£187
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1 stop
Sat, Jul 11
San Antonio SATSan Diego SAN
£194
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1 stop
Sat, Jul 11
San Antonio SATSan Diego SAN
£194
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1 stop
Wed, Jul 8 – Sat, Jul 11
San Antonio SATSan Diego CLD
£323
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1 stop
Wed, Jul 8 – Sat, Jul 11
San Antonio SATSan Diego CLD
£323
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1 stop
Tue, Jul 7 – Sat, Jul 11
San Antonio SATSan Diego CLD
£343
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1 stop
Sat, Jul 11 – Wed, Jul 15
San Antonio SATSan Diego CLD
£343
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1 stop
Fri, Jul 10 – Tue, Jul 14
San Antonio SATSan Diego CLD
£343
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1 stop
Sat, Jul 11 – Tue, Jul 14
San Antonio SATSan Diego CLD
£343
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How much do flights to San Diego cost?

Cheapest one-way trip

£121

Cheapest round-trip

£323

Average round-trip

£396

Includes rare itinerary

Travel hack

Most popular airline

United Airlines

Getting from San Diego airport to the city center

Fastest options: taxi or ride-hailing services. Best value: MTS Bus Route 992 and the San Diego Trolley.

San Diego is served by San Diego International Airport (SAN), located just 5 km northwest of downtown San Diego. The airport offers convenient airport transfers to city center destinations via public transit, taxis, ride-hailing services, and rental cars. The MTS Bus Route 992 connects the airport to downtown and the Old Town Transit Center, where travelers can transfer to the San Diego Trolley. Journey times and costs vary depending on the mode of transport, time of day, and traffic conditions.

Transport Option

Typical Time

Typical Cost

Frequency

Best For

12-20 min

$2.50; single ride fare

every 15 min (traffic dependent)

budget travelers

25-40 min

$2.50 – $5; requires bus transfer at Old Town

every 15 min (traffic dependent)

connecting to trolley network

10-20 min

$15 – $25; metered; varies by traffic and destination

on-demand 24/7 (traffic dependent)

door-to-door convenience

10-20 min

$12 – $30; surge pricing may apply

on-demand 24/7 (traffic dependent)

app-based convenience

10-25 min

$30 – $60; pre-booked; varies by provider

by reservation (traffic dependent)

groups or pre-arranged travel

10-20 min

$40 – $100; daily rate; varies by provider and vehicle

on-demand (traffic dependent)

exploring San Diego region

Notes:

  • Prices in USD; table created in 2025 and subject to change.
  • MTS Bus Route 992 operates between the airport and downtown via Old Town Transit Center.
  • Taxis and ride-hailing services pick up at designated areas outside each terminal.
  • Rental car facilities are located at the Rental Car Center, accessible via a free shuttle.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to San Diego

Depart from
San Antonio International
Arrive to
San Diego International
Average flights per week
194
Flight distance
Worth visiting
Griffith Observatory

Check-in for a flight from San Antonio to San Diego

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Frontier AirlinesFFTF9No
Alaska AirlinesASAASNo
VolarisVOIY4No
AeroMéxicoAMXAMYes

Online check-in is not available for these airlines.

Weather in San Diego

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C10°C
February17°C10°C
March18°C11°C
April19°C12°C
May20°C14°C
June22°C16°C
July24°C18°C
August25°C19°C
September25°C19°C
October23°C16°C
November21°C13°C
December17°C11°C
Hottest Month
25°C
August
Coldest month
10°C
January
Sunny days
346
days per year

14 day forecast

Friday
19 Jun
22%
23°C17°C
26 Jun
24°C20°C
Saturday
20 Jun
22°C17°C
27 Jun
23°C19°C
Sunday
21 Jun
22°C17°C
28 Jun
23°C19°C
Monday
22 Jun
22°C18°C
29 Jun
22°C18°C
Tuesday
23 Jun
23°C19°C
30 Jun
22°C18°C
Wednesday
24 Jun
25°C20°C
1 Jul
24°C19°C
Thursday
25 Jun
25°C20°C
2 Jul
26°C20°C

San Diego travel tips

Do you like baseball? Visit Petco Park in San Diego

The modern Petco Park stadium is located right in the centre of San Diego. You can attend one of the 81 baseball games that take place here throughout the year (or more if the season is good for the local Padres team). The stands offer excellent views of San Diego's attractions and the harbor.

Admire San Diego Bay from the Manchester Grand Hyatt San Diego hotel

Manchester Grand Hyatt San Diego is one of the symbols of San Diego, as the hotel occupies a complex of two 41-story skyscrapers that are visible from almost anywhere in the city centre. The outdoor barbecue areas offer wonderful views of the bay. Also, on the hotel's top floor, there is the Top of Hyatt lounge bar, where you can enjoy the sunsets even if you are not a guest of this hotel.

San Diego's main dish is Carne Assada

The favourite dish among locals and tourists in San Diego is Carne Assada. According to legend, this recipe was invented in San Diego. Literally, the name of the dish translates as grilled beef. Juicy pickled beef, cooked over an open fire, is served with French fries.

Book your trip to arrive at San Diego International, or McClellan–Palomar. The most popular airlines for this route are United Airlines, Frontier Airlines, Alaska Airlines, Volaris, and AeroMéxico. San Antonio and San Diego have 194 direct flights per week.

Frequently asked questions

What are the most popular routes to and from San Antonio?
Travelers frequently search for route combinations, such as San Antonio and Mexico City, London, Guadalajara, Las Vegas, Los Angeles, Orlando, Liverpool, Cancún, Monterrey, Puerto Vallarta, Puerto Escondido, Oaxaca, New York, Santiago de Querétaro, Oaxaca, Denver, Edmonton, San José del Cabo, Dallas, Ixtapa, La Paz.
What are the most popular routes to and from San Diego?
Travelers frequently search for route combinations, such as San Diego and London, Calgary, San Francisco, San Jose, Las Vegas, New York, Vancouver, Sacramento, Toronto, Edmonton, Seattle, Phoenix, Tokyo, Dallas, Aberdeen, Edinburgh, Manchester, Washington, D.C., Denver, Honolulu.
What airports are near San Antonio?
The main airport in San Antonio is San Antonio International. It is also served by San Antonio International, Austin–Bergstrom International, Nuevo Laredo International, Laredo International, Corpus Christi International, Victoria Regional, Piedras Negras International, Killeen–Fort Hood Regional, Easterwood.
What airports are near San Diego?
The main airport in San Diego is San Diego International. It is also served by Tijuana International, John Wayne, Ontario International, Mexicali International, Hollywood Burbank, Palm Springs International, Imperial County, Long Beach, Yuma International, Hawthorne Municipal.
Which airlines fly between San Antonio and San Diego?
Currently, you can fly between San Antonio and San Diego with United Airlines, Frontier Airlines, Alaska Airlines, Volaris, AeroMéxico.
When’s the best time to travel between San Antonio and San Diego?
If you don’t have specific dates for your trip between San Antonio and San Diego, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between San Antonio and San Diego?
Traveling between San Antonio and San Diego, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near San Antonio?
There are a number of airports in and around San Antonio. The main one is San Antonio International and other nearby airports include San Antonio International, Austin–Bergstrom International, Nuevo Laredo International, Laredo International, Corpus Christi International, Victoria Regional, Piedras Negras International, Killeen–Fort Hood Regional, Easterwood
How many airports are there near San Diego?
There are a number of airports in and around San Diego. The main one is San Diego International and other nearby airports include Tijuana International, John Wayne, Ontario International, Mexicali International, Hollywood Burbank, Palm Springs International, Imperial County, Long Beach, Yuma International, Hawthorne Municipal.
What time do nonstop (direct) flights between San Antonio and San Diego depart?
What time do nonstop (direct) flights between San Antonio and San Diego arrive?
What time do flights between San Antonio and San Diego depart?
What time do flights between San Antonio and San Diego arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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