Cheap flights from San Diego to Austin

San Diego
SAN
Austin-Bergstrom
AUS

Flight deals from San Diego to Austin

Below you can see the best deals on flights San Diego — Austin 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 5 September, from $83.

Top 10 cheap flights from San Diego to Austin

F9
F9
$ 83

San Diego — Austin

15:45—23:41
5 Sep 2026
5 h 56 m
1 stop
F9
F9
$ 88

San Diego — Austin

06:25—19:29
12 Sep 2026
11 h 4 m
1 stop
F9
F9
$ 88

San Diego — Austin

17:54—11:15
12 Sep 2026
15 h 21 m
1 stop
F9
F9
$ 88

San Diego — Austin

06:25—19:29
15 Sep 2026
11 h 4 m
1 stop
F9
F9
$ 88

San Diego — Austin

17:54—14:37
15 Sep 2026
18 h 43 m
1 stop
F9
F9
$ 88

San Diego — Austin

16:54—19:29
15 Sep 2026
24 h 35 m
1 stop
F9
F9
$ 88

San Diego — Austin

16:54—12:30
10 Sep 2026
17 h 36 m
1 stop
F9
F9
$ 88

San Diego — Austin

16:54—19:29
10 Sep 2026
24 h 35 m
1 stop
F9
F9
$ 88

San Diego — Austin

06:25—12:30
10 Sep 2026
28 h 5 m
1 stop
F9
F9
$ 88

San Diego — Austin

16:54—19:29
14 Sep 2026
24 h 35 m
1 stop

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

About the San Diego — Austin flight

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

The route has direct flights — around 100 flights per week, flights are operated by Alaska Airlines, Hawaiian Airlines, Frontier Airlines, American Airlines, a nonstop flight takes about 3 h 12 min, the distance between the cities is around 1,862 km.

Planning your trip? You may find our Austin travel guide, how to get from the airport into town and Austin 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 $83Min. price
SeptemberCheapest
MayPeak season
YesDirect flights
1,862 kmDistance
3 h 12 minTravel time
4Airlines
100 / wkFlights

Flight schedule from San Diego to Austin

The table shows direct flights from San Diego to Austin on the selected date. The flight takes approximately 3 h 12 min. Regular flights are operated by Alaska Airlines, Hawaiian Airlines, Frontier Airlines and American Airlines. Departures from San Diego International Airport airports, arrivals at Austin-Bergstrom 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: 16 Aug 2026

Flight ticket prices by day: San Diego — Austin

Below is a calendar of the lowest flight ticket prices for San Diego — Austin by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $83 in September, and the most expensive are around $218 in May. 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.

 
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Prices by month

Average one-way fares from San Diego to Austin by month. Tickets are usually cheapest in February (around $150) and priciest in March (about $225) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$161lowMay$193mediumSep$188medium
Feb$150lowJun$225highOct$193medium
Mar$225highJul$225highNov$182medium
Apr$204mediumAug$193mediumDec$215high

Some values are estimated based on seasonality.

When to fly

Weather in Austin: it is warmest in August (up to 36 °C on average) and coolest in January (around 17 °C). The driest month is January.

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

Temperature · Austin

Dry and wet days · Austin

Wind speed and direction · Austin

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

  • Book ahead: fares for San Diego — Austin 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 Austin is usually September — 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 San Diego — Austin route are operated by 4 airlines; Alaska Airlines runs the most flights (around 42% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    14x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight SAN → AUS14x/week
      Duration
      3h 11m
      Days
      MTWTFSS
    42.0%Open →
  • Hawaiian AirlinesHA
    12x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight SAN → AUS12x/week
    37.0%
  • Frontier AirlinesF9
    4x/week
    WebsiteFleet: 15329M pax/year
    • Direct flight SAN → AUS4x/week
    11.0%Open →
  • American AirlinesAA
    3x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight SAN → AUS3x/week
      Duration
      3h 6m
      Days
      MTWTFSS
    10.0%Open →

Cities and airports on the San Diego — Austin route

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

Departure

San Diego

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

Austin

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

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Frequently asked questions about the San Diego — Austin flight

How long is the flight from San Diego to Austin?

A nonstop San Diego — Austin flight takes about 3 h 12 min — the distance between the cities is around 1,862 km.

How far is it from San Diego to Austin?

The distance from San Diego to Austin is about 1,862 km, which a nonstop flight covers in around 3 h 12 min.

Are there direct flights from San Diego to Austin?

Yes, there are nonstop flights San Diego — Austin — around 100 flights per week.

Which airlines fly from San Diego to Austin?

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

Which airports do San Diego — Austin flights use?

Flights from San Diego depart from San Diego International Airport, and arrive at Austin-Bergstrom 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 San Diego to Austin?

The price of a San Diego — Austin ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in May. Tickets typically cost between $83 and $218. Check the current lowest fare and low-price calendar on this page.

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

Flights San Diego — Austin 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 September. Compare prices by month in the price trend chart on this page.

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

To catch a low fare San Diego — Austin, 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 September.

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 San Diego

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

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

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