Cheap flights from San Diego to Austin from $43
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Austin departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from San Diego to Austin
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How to get the cheapest flight ticket from San Diego to Austin
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Austin?
The cheapest month to fly to Austin from San Diego is in July. Flight prices, which tend to average around $237, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in July, then September is your next best option. Flight prices from San Diego to Austin during September average around $248.
What is the cheapest day to depart on your flight to Austin?
The cheapest day to depart on your flight to Austin is on a Saturday when prices can be found for as low as $295. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to Austin for around $378.
What is the cheapest time of day to depart on your flight to Austin?
In the afternoon is the cheapest time of day to fly from San Diego to Austin when you can find flight prices for as low as $287. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $353. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest San Diego to Austin Bergstrom flight route?
Fly from San Diego to Austin Bergstrom for the best San Diego - Austin Bergstrom flight prices
How far in advance should I book a flight to Austin?
You are more likely to see cheaper flights to Austin from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $289 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from San Diego for as low as $244 on momondo.
What cabin class options are available on San Diego to Austin Bergstrom flights?
There are 4 cabin classes available to choose from on San Diego to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on San Diego to Austin flights?
You could potentially save up to 5% on your flight if you consider stops on a San Diego to Austin flight.
How have San Diego to Austin flight prices changed over time?
As of July 2025, prices for San Diego to Austin flights are approximately 7% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from San Diego to Austin Bergstrom?
Frontier, Spirit Airlines, and Hawaiian Airlines are the most popular carriers operating from San Diego to Austin Bergstrom
What airlines fly to Austin?
Southwest, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Austin from San Diego according to our data. Southwest is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 9 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Diego to Austin on average per day?
As of July 2025, there are 8 flights per day flying from San Diego to Austin. The most common time of day flights depart is 8:00AM, with 48% of flights taking off at noon.
How many flights depart from San Diego to Austin on average per week?
61 flights are operational weekly from San Diego to Austin as of July 2025. The most popular departure day for this route is Mon, with 23% of flights per week taking off on this day.
When to book flights from San Diego to Austin
Cheap San Diego to Austin (SAN to AUS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to Austin
How far is San Diego to Austin Bergstrom by plane?
Austin Bergstrom is 1153.4 mi away from San Diego. In terms of flight time, this usually takes a little over 2h 57m.
When did momondo last update prices for flights from San Diego Airport to Austin Bergstrom Airport?
Prices for flights from San Diego Airport to Austin Bergstrom Airport refresh daily.
How many operators does momondo search for flights from San Diego Airport to Austin Bergstrom Airport?
As of July 2025, there are 8 operators available to choose from for flights from San Diego Airport to Austin Bergstrom Airport.
How old do you have to be to fly from San Diego Airport to Austin Bergstrom Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The necessary travel and health documents for your Austin Bergstrom Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Diego to Austin?
momondo data reveals that the most frequently booked plane model on the route from San Diego to Austin is Embraer 175, representing 24.07% of all bookings. The subsequent popular models are Embraer 170 at 16.62%, Boeing 737-800 Passenger/BBJ2 (winglets) at 15.84%, and Boeing 737-700 Passenger/BBJ1 (winglets) at 15.30%.
What is the most popular airline from San Diego to Austin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Diego to Austin is Southwest (39% of total bookings). The next most popular airlines are Alaska Airlines (39%), Frontier (10%), and American Airlines (6%).
Best airlines flying from San Diego to Austin
Compare and see reviews for airlines that fly from San Diego to Austin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $82 | Free Cancellation | Rating 6.3 8,086 reviews | |||
| PriceFrom $105 | Free Cancellation | Rating 5.9 3,286 reviews | |||
| PriceFrom $153 | Free Cancellation | Rating 7.8 2,545 reviews | |||
| PriceFrom $172 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 8.0 4,266 reviews | |||
| PriceFrom $206 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 7.4 8,861 reviews |
Alaska Airlines Flights From San Diego to Austin
Alaska Airlines flight deals from San Diego to Austin start from $172 round-trip. Over the 11 Alaska Airlines flights for this route in a normal week, average airfare is usually $296 round-trip - but some users have found much cheaper deals with momondo.
Southwest Flights From San Diego to Austin
Southwest (8.0/10 from 4,270 reviews) operates around 22 flights from San Diego to Austin in any given week. The average Southwest airfare for this route is around $315, with deals from around $198 rare but found on momondo. Referenced prices are for round-trip San Diego to Austin flight searches in the last 72 hours.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Diego to Austin?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Austin. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from San Diego to Austin with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Austin from San Diego with this policy.
How can momondo help me find flights from San Diego to Austin?
momondo helps you find the best flight between San Diego and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Diego to Austin right now. Can momondo alert me if prices change?
Yes. momondo can track prices for San Diego to Austin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.