What percentage of Austin to San Diego flights are direct?

In the trailing 90 days, approximately 26.9% of flights from Austin to San Diego were direct. For flights that included stopovers, the median number of stopovers was 2. This indicates that a significant portion of travelers on this route typically experience at least one connection. Travelers preferring direct routes should consider this percentage when planning their journey.

How long is the flight from Austin to San Diego?

The typical direct flight from Austin to San Diego has a median duration of 3 hours and 8 minutes. For flights with one stop, the median duration extends to 7 hours and 26 minutes. The distance covered on this route is approximately 1870 kilometers. Travelers should account for these differences in flight time when choosing between direct and connecting options.

How often do Austin to San Diego flight prices drop?

Historically, flight prices for the Austin to San Diego route have shown frequent drops. This indicates that travelers may often find opportunities to secure better deals. The pricing for this route tends to be dynamic, with frequent fluctuations observed across the trailing 30 days. This pattern suggests that monitoring prices regularly could be beneficial for finding more favorable fares.

Flights From Austin

To San Diego

Cheap Flights from Austin to San Diego

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Deals from

Austin

RatePunk searches hundreds of travel sites at once for deals on flights to San Diego

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Austin to San Diego

Explore current cheapest deals departing from Austin to San Diego

2026-08-15 – 2026-08-19
AUS - San Diego
82% AI deal score
$399
$133
Round trip
2026-08-13 – 2026-08-18
AUS - San Diego
81% AI deal score
$392
$144
Round trip
2026-09-12 – 2026-09-15
AUS - San Diego
77% AI deal score
$314
$148
Round trip
2026-10-09 – 2026-10-31
AUS - San Diego
77% AI deal score
$307
$148
Round trip
2026-08-19 – 2026-08-26
AUS - San Diego
80% AI deal score
$375
$150
Round trip
2026-09-02 – 2026-09-08
AUS - San Diego
82% AI deal score
$296
$150
Round trip
2026-09-16 – 2026-09-22
AUS - San Diego
82% AI deal score
$301
$151
Round trip
2026-09-12 – 2026-09-19
AUS - San Diego
82% AI deal score
$299
$151
Round trip
2026-08-26 – 2026-08-28
AUS - San Diego
79% AI deal score
$392
$155
Round trip
2026-09-01 – 2026-09-15
AUS - San Diego
79% AI deal score
$266
$155
Round trip

Austin to San Diego: Overview

Insights for flights from Austin to San Diego

A typical journey from Austin to San Diego takes about 3h 8m, including connections. Since most itineraries connect at least once, you can expect a median connecting flight time of 10h 12m, while direct flights from Austin to San Diego have a median flight time of 3h 8m. This route is classified as a medium-haul flight, covering a distance of 1870 km.

For travelers seeking cheap flights from Austin to San Diego, the cheapest months to fly are typically December, with a median fare of $197, followed by April at $198, and March at $204. These months offer significantly lower prices compared to the overall median. New deals appear almost daily, so setting a price alert can help you track fare changes.

Fares for flights from Austin to San Diego typically range from $288–$761, with a median of $535. Right now, current fares are above the typical level. Unfortunately, the share of recent fares classified as a good price is 0%, indicating that finding exceptionally low prices can be challenging at present.

When flying from Austin to San Diego, most itineraries connect at least once, with only 26.9% of recent fares being non-stop. For those connecting, the typical number of stopovers is 2. This means you should factor in additional travel time for layovers when planning your trip.

How much is a round trip from Austin to San Diego

Regular price: $236 - $305

Prices are currently below the regular range for flights from Austin to San Diego.

The regular price range for flights from Austin to San Diego is between $236 and $305. The current lowest deal is $147 with Frontier Airlines, for travel from Oct 9-Oct 31.

now $147

Low $236

High $305

The cheapest time to fly from Austin to San Diego

The cheapest month to fly from Austin to San Diego is December, with a median price of $197. The most expensive month is July, with a median price of $679. Prices are generally lower from January to December.

December

Cheapest

Flights from $197

July

Most Expensive

Flights from $679

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Austin to San Diego

Alaska Airlines, Inc.

Last-minute flights going from Austin to San Diego

Sat, Aug 1

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Alaska Airlines, Inc.

$617

$331

One-way

Sat, Aug 8

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Alaska Airlines, Inc.

$460

$299

One-way

Mon, Aug 10

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$384

$197

One-way

Mon, Aug 10

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$385

$207

One-way

Tue, Aug 11

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Southwest Airlines

$252

$196

One-way

Tue, Aug 11

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$356

$203

One-way

Biggest price drops on these dates for flights from Austin to San Diego

3 nights

Aug 1 - Aug 4

$617 → $331

46%

2 nights

Aug 25 - Aug 27

$402 → $158

61%

2 nights

Aug 26 - Aug 28

$402 → $158

61%

2 nights

Aug 19 - Aug 21

$406 → $171

58%

Popular Airports to fly from Austin to San Diego

Austin - San Diego route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Austin to San Diego are above the typical level at $535.

📅 Best time to fly

December is historically the cheapest month to fly

Historically, December is the cheapest month to fly from Austin to San Diego, at $197.

⏱️ Flight duration

Direct flights take 3h 8m

Direct flights from Austin to San Diego typically take 3h 8m, while connecting flights take 10h 12m.

✈️ Airlines & availability

26.9% of recent flights are direct

26.9% of recent flights from Austin to San Diego are direct, with 2 stopovers when connecting.

🏆 Airline highlight

Frontier Airlines offers a recent deal at $147

Frontier Airlines offered a recent deal from Austin to San Diego for $147 via Skyscanner.

🎯 Booking tip

Deals appear frequently on this route

Deals on flights from Austin to San Diego appear frequently, with many deals in the last 30 days.

Austin main airports to depart from

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International Airport is a great choice for flights from Austin to San Diego.

📍 ~10 km from city center (reachable by car)

💸 Flights from ~$183

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient arrival option for flights from Austin to San Diego.

📍 ~5 km from San Diego city center (reachable by car)

💸 Flights from ~$183

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a useful alternative for Mexico-bound travelers via the Cross Border Xpress (CBX) terminal.

📍 ~20 km from San Diego (reachable by car)

💸 Flights from ~$274

Business & First Class Flight Deals to San Diego

82% AI deal score

$857

$547

Save $310

Frequently Asked Questions About Flights to San Diego

Historically, the best time to purchase tickets for flights from Austin to San Diego is typically 60 or more days before departure. During the trailing 90 days, tickets bought within this window had an average price of $329. In contrast, tickets purchased 0-6 days before departure were significantly more expensive, averaging around $792. Prices generally increased as the departure date approached, with tickets bought 7-13 days out averaging $832.

Across the trailing quarter, a good price for a flight from Austin to San Diego is considered to be $288 or less. The median price for this route was $535. Fares above $761 were in the more expensive range during the trailing 90 days. Travelers aiming for a budget-friendly trip should target prices at or below the $288 threshold.

Historically, December has been one of the cheapest months to fly from Austin to San Diego, with a median price of $197. April also offered low fares, with a median price of $198. March was another affordable option, showing a median price of $204. These months were considerably cheaper than the annual median price of $535.

Related routes

More routes from Austin

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Flights to San Diego from other cities

Flights from Boise to San Diego Flights from Boston to San Diego Flights from Chicago to San Diego Flights from Colorado Springs to San Diego Flights from Dallas to San Diego Flights from Denver to San Diego Flights from Detroit to San Diego Flights from Dublin to San Diego Flights from El Paso to San Diego Flights from Fresno to San Diego Flights from Nashville to San Diego Flights from Spokane to San Diego

Austin to San Diego: Overview

Insights for flights from Austin to San Diego

How much is a round trip from Austin to San Diego

Regular price: $236 - $305

Prices are currently below the regular range for flights from Austin to San Diego.

The regular price range for flights from Austin to San Diego is between $236 and $305. The current lowest deal is $147 with Frontier Airlines, for travel from Oct 9-Oct 31.

now $147

Low $236

High $305

The cheapest time to fly from Austin to San Diego

December

Cheapest

Flights from $197

July

Most Expensive

Flights from $679

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec