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Cheap flights from Austin to San Diego from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to San Diego departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:12 pm - 7:31 pm
AUS
-
SAN
3h 19mnonstop
Frontier Logo
6:30 am - 2:21 pm
SAN
-
AUS
5h 51m1 stop
$104Frontier
Mon, Jan 19 - Thu, Jan 22
Frontier Logo
10:40 am - 11:31 pm
AUS
-
SAN
14h 51m1 stop
Frontier Logo
9:46 am - 2:38 pm
SAN
-
AUS
2h 52mnonstop
$105Frontier
Sat, Jan 24 - Mon, Jan 26
Frontier Logo
12:42 pm - 1:55 pm
AUS
-
SAN
3h 13mnonstop
Frontier Logo
10:34 am - 11:11 pm
SAN
-
AUS
10h 37m1 stop
$107Frontier
Sun, Jan 11 - Sat, Jan 24
Frontier Logo
10:40 am - 11:31 pm
AUS
-
SAN
14h 51m1 stop
Frontier Logo
10:21 am - 3:13 pm
SAN
-
AUS
2h 52mnonstop
$108Frontier
Wed, Jan 21 - Fri, Jan 23
Frontier Logo
12:24 pm - 1:43 pm
AUS
-
SAN
3h 19mnonstop
Frontier Logo
4:12 pm - 9:04 pm
SAN
-
AUS
2h 52mnonstop
$109Frontier
Thu, Feb 12 - Sun, Feb 15
Frontier Logo
10:32 am - 2:34 pm
AUS
-
SAN
6h 02m1 stop
Frontier Logo
2:24 pm - 7:18 pm
SAN
-
AUS
2h 54mnonstop
$110Frontier
Wed, Jan 7 - Thu, Jan 8
Frontier Logo
12:24 pm - 1:43 pm
AUS
-
SAN
3h 19mnonstop
Frontier Logo
6:25 am - 12:16 am
SAN
-
AUS
15h 51m1 stop
$112Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
6:12 pm - 7:31 pm
AUS
-
SAN
3h 19mnonstop
Frontier Logo
7:00 am - 10:31 pm
SAN
-
AUS
13h 31m1 stop
$113Frontier
Mon, Jan 19 - Wed, Jan 21
Frontier Logo
12:42 pm - 1:55 pm
AUS
-
SAN
3h 13mnonstop
Frontier Logo
12:00 pm - 9:42 pm
SAN
-
AUS
7h 42m1 stop
$116Frontier
Sun, Jan 11 - Tue, Jan 13
Frontier Logo
12:24 pm - 1:43 pm
AUS
-
SAN
3h 19mnonstop
Frontier Logo
4:12 pm - 9:04 pm
SAN
-
AUS
2h 52mnonstop
$117Frontier
Thu, Feb 12 - Sun, Feb 15

Frontier flights from Austin to San Diego

Our best Frontier deals on Austin to San Diego flight tickets
Frontier
Jan 19
AUS6:12 pmAustin Bergstrom
3h 19m
SAN7:31 pmSan Diego
Jan 22
SAN6:30 amSan Diego
5h 51m
1 stop
AUS2:21 pmAustin Bergstrom
$104
Find similar
Frontier
Jan 24
AUS10:40 amAustin Bergstrom
14h 51m
1 stop
SAN11:31 pmSan Diego
Jan 26
SAN9:46 amSan Diego
2h 52m
AUS2:38 pmAustin Bergstrom
$105
Find similar
Frontier
Jan 21
AUS10:40 amAustin Bergstrom
14h 51m
1 stop
SAN11:31 pmSan Diego
Jan 23
SAN10:21 amSan Diego
2h 52m
AUS3:13 pmAustin Bergstrom
$108
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Austin to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Austin to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Mon 1/19

6:12 pm-7:31 pm

Nonstop3h 19m

San Diego

Thu 1/22

6:30 am-2:21 pm

1 stop5h 51m

$104

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Sat 1/24

10:40 am-11:31 pm

1 stop14h 51m

San Diego

Mon 1/26

9:46 am-2:38 pm

Nonstop2h 52m

$105

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Sun 1/11

12:42 pm-1:55 pm

Nonstop3h 13m

San Diego

Sat 1/24

10:34 am-11:11 pm

1 stop10h 37m

$107

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Wed 1/21

10:40 am-11:31 pm

1 stop14h 51m

San Diego

Fri 1/23

10:21 am-3:13 pm

Nonstop2h 52m

$108

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Thu 2/12

12:24 pm-1:43 pm

Nonstop3h 19m

San Diego

Sun 2/15

4:12 pm-9:04 pm

Nonstop2h 52m

$109

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Wed 1/7

10:32 am-2:34 pm

1 stop6h 02m

San Diego

Thu 1/8

2:24 pm-7:18 pm

Nonstop2h 54m

$110

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Thu 2/26

12:24 pm-1:43 pm

Nonstop3h 19m

San Diego

Mon 3/2

6:25 am-12:16 am

1 stop15h 51m

$112

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Mon 1/19

6:12 pm-7:31 pm

Nonstop3h 19m

San Diego

Wed 1/21

7:00 am-10:31 pm

1 stop13h 31m

$113

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Sun 1/11

12:42 pm-1:55 pm

Nonstop3h 13m

San Diego

Tue 1/13

12:00 pm-9:42 pm

1 stop7h 42m

$116

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Thu 2/12

12:24 pm-1:43 pm

Nonstop3h 19m

San Diego

Sun 2/15

4:12 pm-9:04 pm

Nonstop2h 52m

$117

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Diego from

How to get the cheapest flight ticket from Austin to San Diego

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 San Diego?

If you are unable to visit San Diego during the month of November, then departing from Austin during the month October is also very affordable. Most momondo users find prices during this month for around $226.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Austin to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $264. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $411. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $213. Flights in the morning are often more expensive with an average ticket price of $338.

What is the cheapest Austin Bergstrom to San Diego flight route?

Fly from Austin Bergstrom to San Diego for the best Austin Bergstrom - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $278 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Austin for as low as $228 on momondo.

What cabin class options are available on Austin Bergstrom to San Diego flights?

There are 4 cabin classes available to choose from on Austin Bergstrom to San Diego 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 Austin to San Diego flights?

No. A direct flight is the cheapest option for a flight between Austin to San Diego.

How have Austin to San Diego flight prices changed over time?

As of December 2025, prices for Austin to San Diego flights are approximately 56% cheaper when compared to flights at the same time last year.

When to book flights from Austin to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to San Diego (AUS to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to San Diego

Best Price Found

$88

Fastest flight time

2h 50m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Austin in the past 72 hours is $88. The best round-trip flight deal from Austin to San Diego found on momondo in the last 72 hours is $192.
The fastest flight from Austin to San Diego takes 2h 50m
Direct flights go from Austin to San Diego every day.
There is 1 airport in San Diego. From Austin there are direct flights to San Diego (SAN).
Search flight deals

  • How far is Austin Bergstrom to San Diego by plane?

    There are 1153.4 mi between Austin Bergstrom and San Diego. 2h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to San Diego Airport?

    Prices for flights from Austin Bergstrom Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to San Diego Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to San Diego 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 Austin Bergstrom Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Austin to San Diego?

  • What is the most popular airline from Austin to San Diego?

Best airlines flying from Austin to San Diego

Compare and see reviews for airlines that fly from Austin to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $71Free CancellationRating
6.3
8,188 reviews
Search Spirit Airlines flights
FrontierPriceFrom $84Free CancellationRating
5.8
3,080 reviews
Search Frontier flights
DeltaPriceFrom $119Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $127Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $157Free CancellationRating
8.0
11,452 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $181Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
American AirlinesPriceFrom $232Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Austin to San Diego

    Across 11 Alaska Airlines flights from Austin to San Diego this week, the average price was $320, with the best Alaska Airlines deals starting from $157 round-trip. 11,452 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Southwest Flights From Austin to San Diego

    Southwest (7.9/10 from 4,249 reviews) operates around 29 flights from Austin to San Diego in any given week. The average Southwest airfare for this route is around $328, with deals from around $181 rare but found on momondo. Referenced prices are for round-trip Austin to San Diego flight searches in the last 72 hours.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Poway
Imperial Beach
Borrego Springs
La Mesa
San Ysidro
Alpine
Lemon Grove
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Austin to San Diego?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to San Diego. momondo saves you time and could save you money on your trip.

Can I find flights from Austin to San Diego with flexible booking policies on momondo?

Yes. All flights to San Diego from Austin on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Austin to San Diego?

Once you have performed a search for Austin to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Austin to San Diego right now. Can momondo alert me if prices change?

Price alerts on flights to San Diego from Austin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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