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$99 Cheap Flights from San Diego (SAN) to Austin (AUS)

View $99 flight on Sat, Sep 5, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Austin-Bergstrom Intl. Airport (AUS)

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Cheap Flights from San Diego to Austin (SAN-AUS)

Prices were available within the past 7 days and start at $99 for one-way flights and $194 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Aug 31 - Sat, Sep 5
SAN
San Diego
AUS
Austin
$194 Roundtrip, found 20 hours ago
$194
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Mon, Aug 31 from San Diego to Austin, returning Sat, Sep 5, priced at $194 found 20 hours ago
Alaska Airlines
Fri, Sep 11 - Sat, Sep 19
SAN
San Diego
AUS
Austin
$196 Roundtrip, found 2 hours ago
$196
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Sep 11 from San Diego to Austin, returning Sat, Sep 19, priced at $196 found 2 hours ago
Alaska Airlines
Sat, Sep 5 - Sun, Sep 6
SAN
San Diego
AUS
Austin
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 5 from San Diego to Austin, returning Sun, Sep 6, priced at $197 just found
Frontier Airlines
Fri, Oct 30 - Mon, Nov 2
SAN
San Diego
AUS
Austin
$198 Roundtrip, just found
$198
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 30 from San Diego to Austin, returning Mon, Nov 2, priced at $198 just found
Alaska Airlines
Fri, Sep 11 - Thu, Sep 17
SAN
San Diego
AUS
Austin
$201 Roundtrip, found 6 hours ago
$201
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Fri, Sep 11 from San Diego to Austin, returning Thu, Sep 17, priced at $201 found 6 hours ago
Frontier Airlines
Sat, Sep 26 - Wed, Sep 30
SAN
San Diego
AUS
Austin
$204 Roundtrip, found 20 hours ago
$204
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Sep 26 from San Diego to Austin, returning Wed, Sep 30, priced at $204 found 20 hours ago
Southwest Airlines
Fri, Sep 11 - Sat, Sep 19
SAN
San Diego
AUS
Austin
$206 Roundtrip, found 2 hours ago
$206
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Fri, Sep 11 from San Diego to Austin, returning Sat, Sep 19, priced at $206 found 2 hours ago
Frontier Airlines
Tue, Oct 27 - Fri, Oct 30
SAN
San Diego
AUS
Austin
$206 Roundtrip, found 11 hours ago
$206
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Tue, Oct 27 from San Diego to Austin, returning Fri, Oct 30, priced at $206 found 11 hours ago
United
Sat, Sep 5 - Fri, Sep 11
SAN
San Diego
AUS
Austin
$212 Roundtrip, found 6 hours ago
$212
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Sep 5 from San Diego to Austin, returning Fri, Sep 11, priced at $212 found 6 hours ago
Delta
Sat, Sep 5 - Fri, Sep 11
SAN
San Diego
AUS
Austin
$217 Roundtrip, found 6 hours ago
$217
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, Sep 5 from San Diego to Austin, returning Fri, Sep 11, priced at $217 found 6 hours ago

Alternative airports near Austin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $258
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $258

Find the cheapest month to fly from San Diego (SAN) to Austin (AUS)

August is typically the cheapest month to fly

From $178 - $258 per traveler.

What you need to know for your flight from San Diego Intl. to Austin-Bergstrom Intl.

San Diego (SAN) to Austin (AUS) at a glance

Explore a range of options for flights from San Diego (SAN) to Austin (AUS) on this short domestic route. Whether you're seeking budget-friendly choices or prefer full-service airlines, you can easily compare schedules and prices to find the best fit for your travel plans. This guide provides essential details for securing your ticket from San Diego International Airport to Austin-Bergstrom International Airport as you get ready to discover the vibrant sights and neighborhoods of Austin.

  • Fastest flight duration: around 3 hours non-stop
  • Route distance: roughly 1,200 miles (1,930 km)
  • Flights per week: around 40+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $50–$390, depending on seasonality and how far ahead you book

Flights from San Diego International Airport (SAN) to Austin-Bergstrom International Airport (AUS)

According to recent traveler bookings, here are the top airlines favored for flights from San Diego to Austin, especially for non-stop and one-stop options. Many travelers opt for layovers at Sky Harbor International Airport (PHX, approximately 1 hour and 15 minutes), Dallas-Fort Worth International Airport (DFW, also around 1 hour and 15 minutes), and Denver International Airport (DEN, about 3 hours). These choices allow you to customize your itinerary by balancing price, total travel time, and cabin class for the best experience.

  • Southwest Airlines: This budget-friendly airline provides both non-stop and one-stop options, with one-way ticket prices generally falling between $80 and $410. Southwest accounts for around 41% of flights on this route, featuring a standard non-stop duration of approximately 3 hours.
  • Alaska Airlines: A comprehensive airline offering both non-stop and one-stop services, Alaska Airlines has one-way fares that usually range from $80 to $420. Holding roughly 30% of the departures on this route, its typical non-stop flight time is about 3 hours.
  • American Airlines: As a full-service provider, American Airlines features non-stop and one-stop flights, with one-way fares typically ranging from $90 to $420. This airline represents roughly 13% of departures for this route, with a 1-stop flight averaging 4 hours and 15 minutes in the air, leading to a total journey time of about 5 hours and 30 minutes.
  • Frontier Airlines: Recognized as a low-cost option, Frontier offers both non-stop and one-stop services, with one-way fares generally between $50 and $235. This carrier comprises about 9% of the departures on this route, with a standard non-stop travel time of around 3 hours.
  • United: A well-established full-service airline, United provides both non-stop and one-stop flights, with one-way ticket prices usually ranging from $110 to $395. It accounts for approximately 4% of the departures on this route, featuring a typical 1-stop journey of 4 hours and 15 minutes in-flight, culminating in a total travel duration of about 5 hours and 30 minutes.

Travelers flying from San Diego to Austin can opt for an upgrade. Alaska Airlines provides both first class and business class options, while American Airlines only offers first class service.

Best time to fly from San Diego (SAN) to Austin (AUS)

The most popular months for travelers flying from San Diego to Austin are February, March, and April, when peak temperatures in Austin reach up to 68°F in April. If you prefer quieter travel, consider August, the least busy time to visit with temperatures around 86.5°F and typically the lowest average one-way fare (around $168). Flight availability peaks in May and October, with approximately 48 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 34 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $168, roughly 10% cheaper than the yearly average.
  • More budget-friendly months to fly: January, February, and November typically offer average one-way fares of around $172.
  • Most flight options: May and October have the highest number of flights from San Diego to Austin, with approximately 48 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January51.1°F (10.6°C)Average34$170
February53.8°F (12.1°C)Slightly High36$171
March61.7°F (16.5°C)Slightly High46$229
April68.0°F (20.0°C)Slightly High46$208
May75.0°F (23.9°C)Slightly Low48$209
June82.2°F (27.9°C)Average45$187
July85.1°F (29.5°C)Average36$184
August86.5°F (30.3°C)Slightly Low36$168
September80.4°F (26.9°C)Slightly Low41$181
October70.7°F (21.5°C)Average48$183
November59.9°F (15.5°C)Average42$175
December53.6°F (12.0°C)Average46$180

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from San Diego (SAN) to Austin (AUS)

  • San Diego to San Antonio (SAN-SAT): San Antonio International Airport (SAT) is located approximately 67 miles from Austin-Bergstrom International Airport (AUS). One-way economy ticket prices for this journey generally fall between $100 and $425, varying by season and advance booking. Travelers can choose from both non-stop and one-stop flights, with frequent layovers at Sky Harbor International Airport (PHX) and Denver International Airport (DEN). Major airlines operating this route include Southwest Airlines and American Airlines, with business and first-class service also available.
  • Carlsbad to Austin (CLD-AUS): McClellan-Palomar Airport (CLD) is roughly 28 miles from San Diego International Airport (SAN). The typical cost for one-way economy fares on this route ranges from $105 to $360, influenced by the time of year and booking lead time. Most flights on this route offer one-stop options, primarily connecting through Sky Harbor International Airport (PHX). American Airlines is the most frequently chosen airline for this route, and first-class service is also offered.

How to find the best prices for flights from San Diego (SAN) to Austin (AUS)

Getting some of the best deals on flights from San Diego to Austin is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures (12pm-6pm) generally offer lower prices, although morning flights (5am-12pm) are the most popular. Additionally, flying on Friday provides both cheaper rates and is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Austin-Bergstrom International Airport from San Diego International Airport

Austin welcomes travelers from San Diego with a range of transport options based on price, convenience, and proximity. Here's how to reach Austin efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Austin, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Austin-Bergstrom International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Austin-Bergstrom International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Austin-Bergstrom International Airport, Plaza Saltillo Station, a metro station, is located about 7.7 miles away by car, while Austin Seaport, a seaport, is approximately 8.8 miles from the airport and is also best reached by car.

Frequently asked questions

How much does a flight from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) cost?
You can find cheap one-way flights from $99 and cheap return flights from $194 San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) with Expedia. One-way flights generally range between $110 and $958, and roundtrip flights usually range from $248 to $1509. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
February is typically the cheapest month to fly from San Diego (SAN) to Austin (AUS), with average return fares around $261. This is about 17% lower than the average price throughout the year, as demand tends to drop after the holiday season. Other cheap months to fly from San Diego to Austin include January and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Choose from 2 airlines operating direct flights from SAN to AUS:

  • Hawaiian Airlines operates around 19 direct flights from SAN to AUS every week
  • Frontier Airlines operates around 7 direct flights from SAN to AUS every week

How do I find cheap flights from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
To find a cheap flight from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The best airline to fly with from San Diego, CA (SAN) to Austin, TX (AUS) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from SAN to AUS, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
When flying from San Diego to Austin, January and February are the best months to consider. You can expect return flights to be around $261, making it a budget-friendly option. These months are less busy, allowing for a smoother travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
On average, there are around 5 nonstop flights per day from San Diego Intl. (SAN) to Austin-Bergstrom Intl. (AUS). For more options, look at flights that include layovers.
What is the earliest flight from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The earliest flight from San Diego International Airport (SAN) to Austin-Bergstrom International Airport (AUS) usually departs at around 12:55 AM, operated by American Airlines. This seasonal service is active in May and June, giving you a head start on your day in Austin. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The most popular departure times for flights from San Diego (SAN) to Austin (AUS) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including American Airlines, Southwest Airlines, and United Airlines, offer flights during this window. This timing is favored because it lets you arrive in Austin with plenty of time to explore the city.
How long does it take to fly from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
A nonstop flight from SAN to AUS typically takes around 2 hours 50 minutes, covering approximately 1,163 miles. Connecting flights on this route usually add 4 hours 40 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
First class is available on flights from SAN to AUS. First class cabins are available on:

  • United Airlines
  • American Airlines
  • Delta Air Lines

How much is a business class flight from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
A direct, return business class ticket from San Diego, CA (SAN) to Austin, TX (AUS) typically costs between $958 - $1,477. A non-stop, one-way business class flight is usually around $404 - $584. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight with Expedia?
It's easy to earn miles on a San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Austin from San Diego Intl. (SAN)?
From San Diego Intl. (SAN), you can fly into Austin-Bergstrom Intl. (AUS) to reach Austin. Some flights may connect through major hubs like Sky Harbor Intl. (PHX), Harry Reid Intl. (LAS), San Francisco Intl. (SFO) before reaching Austin. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) at the last minute?
Typically, booking a last minute flight from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight and hotel package?
Securing a San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) Austin Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
If you booked your San Diego, CA (SAN-San Diego Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Diego Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$194
Distance
1162 mi
Average flight time
4 hours 54 mins

Book with confidence

San Diego to Austin Flights

The cheapest times to fly from San Diego to Austin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Austin are during the month of August. You can find some of the cheapest flights from San Diego to Austin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Austin

Sunday is one of the best days to book for cheap flights from San Diego to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Austin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Austin in 2026. You can also book with separate airlines for your outbound and return journeys, from $99 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Diego to Austin Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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