Cheap flights from Austin to San Diego

Austin-Bergstrom
AUS
San Diego
SAN

Flight deals from Austin to San Diego

Below you can see the best deals on flights Austin — San Diego for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 31 August, from $81.

Top 10 cheap flights from Austin to San Diego

F9
F9
$ 79

Austin — San Diego

20:15—23:51
8 Sep 2026
5 h 36 m
1 stop
F9
F9
$ 79

Austin — San Diego

20:24—23:51
11 Sep 2026
5 h 27 m
1 stop
F9
F9
$ 81

Austin — San Diego

20:24—23:51
9 Sep 2026
5 h 27 m
1 stop
F9
F9
$ 81

Austin — San Diego

20:15—23:51
5 Sep 2026
5 h 36 m
1 stop
F9
F9
$ 81

Austin — San Diego

20:24—23:51
12 Sep 2026
5 h 27 m
1 stop
F9
F9
$ 83

Austin — San Diego

20:24—23:51
14 Sep 2026
5 h 27 m
1 stop
F9
F9
$ 83

Austin — San Diego

06:15—23:51
8 Sep 2026
19 h 36 m
1 stop
F9
F9
$ 83

Austin — San Diego

20:15—15:59
8 Sep 2026
21 h 44 m
1 stop
F9
F9
$ 83

Austin — San Diego

13:25—23:51
11 Sep 2026
12 h 26 m
1 stop
F9
F9
$ 83

Austin — San Diego

20:24—15:58
11 Sep 2026
21 h 34 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Austin — San Diego flight

Looking for cheap flights from Austin to San Diego? Compare fares from different airlines, check the flight schedule and travel time — and book your Austin — San Diego ticket online at the best price.

The route has direct flights — around 131 flights per week, flights are operated by Alaska Airlines, Hawaiian Airlines, American Airlines, Frontier Airlines and 1 more airline, a nonstop flight takes about 3 h 6 min, the distance between the cities is around 1,862 km.

Planning your trip? You may find our San Diego travel guide, how to get from the airport into town and San Diego weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $81Min. price
AugustCheapest
AprilPeak season
YesDirect flights
1,862 kmDistance
3 h 6 minTravel time
5Airlines
131 / wkFlights

Flight schedule from Austin to San Diego

The table shows direct flights from Austin to San Diego on the selected date. The flight takes approximately 3 h 6 min. Regular flights are operated by Alaska Airlines, Hawaiian Airlines, American Airlines and Frontier Airlines. Departures from Austin-Bergstrom International Airport airports, arrivals at San Diego International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 14 Aug 2026

Flight ticket prices by day: Austin — San Diego

Below is a calendar of the lowest flight ticket prices for Austin — San Diego by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $81 in August, and the most expensive are around $192 in April. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--

Prices by month

Average one-way fares from Austin to San Diego by month. Tickets are usually cheapest in January (around $112) and priciest in March (about $187) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$112lowMay$173highSep$150medium
Feb$117lowJun$178highOct$140low
Mar$187highJul$168mediumNov$178high
Apr$159mediumAug$140mediumDec$187high

Some values are estimated based on seasonality.

When to fly

Weather in San Diego: it is warmest in August (up to 26 °C on average) and coolest in March (around 17 °C). The driest month is July.

Tickets are usually cheapest in August and most expensive in April. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · San Diego

Dry and wet days · San Diego

Wind speed and direction · San Diego

We'll let you know if you need a visa

Enter your destination or
Your nationality
Destination

How to get the best deal on a Austin — San Diego ticket

  • Book ahead: fares for Austin — San Diego are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to San Diego is usually August — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Austin — San Diego route are operated by 5 airlines; Alaska Airlines runs the most flights (around 43% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    19x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight AUS → SAN19x/week
      Duration
      3h 12m
      Days
      MTWTFSS
    42.7%Open →
  • Hawaiian AirlinesHA
    13x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight AUS → SAN13x/week
    30.5%
  • American AirlinesAA
    8x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight AUS → SAN8x/week
      Duration
      3h 9m
      Days
      MTWTFSS
    17.6%Open →
  • Frontier AirlinesF9
    4x/week
    WebsiteFleet: 15329M pax/year
    • Direct flight AUS → SAN4x/week
    8.4%Open →
  • United AirlinesUA
    1x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight AUS → SAN1x/week
    0.8%Open →

Cities and airports on the Austin — San Diego route

Flights Austin — San Diego depart from Austin-Bergstrom International Airport and arrive at San Diego International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Austin

AUS
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

San Diego

SAN
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

Interesting articles about San Diego

Looking Down: The Best Observation Decks in the WorldTips for Travelers

Looking Down: The Best Observation Decks in the World

To better understand a city or admire the surrounding nature, you need to climb higher. The ascent isn’t always easy, but it’s worth it for the experience and the view from the top. If you’re not afra…

Did you know that some airports have beds?Interesting

Did you know that some airports have beds?

Did you know that some airports have beds? They are intended for passengers whose flights were canceled due to bad weather or other force majeure circumstances. These unfortunate travelers are offered…

See half the world from a portholeInteresting

See half the world from a porthole

Recently, we wrote about a Qatar Airways aircraft that completed the world’s longest commercial flight from Doha (Qatar) to Auckland (New Zealand) and how it was welcomed in the “new territory”. Today…

Tips for Travelers

Top 9 Dive Spots for Beginners

Becoming a traveler is easy. Visit new countries and discover new cities — and there you are, an experienced wanderer. But the main thing is not to stop only on land. Thanks to the invention of Jacque…

Real Stories: How Quarantine is Going in Other CountriesInteresting

Real Stories: How Quarantine is Going in Other Countries

You can’t see the world sitting at home, but it’s so interesting what’s happening abroad! We’ve collected several stories from residents of other countries about quarantine. In general, conditions are…

Currency Exchange AbroadTips for Travelers

Currency Exchange Abroad

Before a trip, many questions arise regarding currency exchange. Should you exchange money in your home country or not? In what currency should you carry money? Where to exchange money abroad? Today w…

Frequently asked questions about the Austin — San Diego flight

How long is the flight from Austin to San Diego?

A nonstop Austin — San Diego flight takes about 3 h 6 min — the distance between the cities is around 1,862 km.

How far is it from Austin to San Diego?

The distance from Austin to San Diego is about 1,862 km, which a nonstop flight covers in around 3 h 6 min.

Are there direct flights from Austin to San Diego?

Yes, there are nonstop flights Austin — San Diego — around 131 flights per week.

Which airlines fly from Austin to San Diego?

Airlines operating Austin — San Diego include Alaska Airlines, Hawaiian Airlines, American Airlines, Frontier Airlines, United Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Austin — San Diego flights use?

Flights from Austin depart from Austin-Bergstrom International Airport, and arrive at San Diego International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Austin to San Diego?

The price of a Austin — San Diego ticket depends on your travel date, season and demand: it is usually cheapest to fly in August, and most expensive in April. Tickets typically cost between $81 and $192. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Austin — San Diego?

Flights Austin — San Diego are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is August. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Austin to San Diego?

To catch a low fare Austin — San Diego, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually August.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Austin

See all
San FranciscoSeattleLos AngelesChicagoDenverNew York CityAtlantaDallasOrlandoHoustonPhoenixBostonDetroitMiamiLas VegasNashvilleSalt Lake CityWashington, D.C.PhiladelphiaMinneapolisFort LauderdaleRaleighCharlottePortlandLondonMcAllenCincinnatiIndianapolisTorontoCancunMontrealMexico CityVancouverMemphisFrankfurt am MainSan Jose del CaboPanama CityTampaKansas CityCleveland

Where else you can fly from San Diego

See all
San FranciscoSeattleLas VegasSan JosePhoenixDenverChicagoSacramentoNew York CityDallasSalt Lake CityAtlantaFresnoLos AngelesPortlandBostonHonoluluOrlandoSanta RosaWashington, D.C.OaklandVancouverSan Jose del CaboBoiseRenoRedmondMinneapolisCharlotteKahuluiSan Luis ObispoHoustonEugeneDetroitMiamiTorontoMontrealFort LauderdaleMontereyKailua-KonaTampa

We use cookies and services to collect user information. This is essential for the functioning of the site and for marketing purposes. You can find out more in .