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 a stopover, the median number of stopovers was 2. This suggests that while direct options are available, a notable portion of routes involve connections.

How long is the flight from Austin to San Diego?

The typical direct flight from Austin to San Diego has a duration of 3 hours and 8 minutes, covering a distance of 1870 kilometers. Flights with one stopover, on average, take considerably longer, with a median duration of 7 hours and 26 minutes. Travelers should consider these differences when planning their journey.

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 price fluctuations are common for this route across the trailing 30 days. Travelers may find opportunities to secure lower fares due to these frequent price adjustments.

Flights From Austin

To San Diego

Cheap Flights from Austin to San Diego

Browse current best options from Austin. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Austin

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

Prices updated 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Austin to San Diego

Explore current cheapest deals departing from Austin to San Diego

2026-10-21 – 2026-10-26
AUS - San Diego
79% AI deal score
$349
$190
Round trip
2026-10-10 – 2026-10-17
AUS - San Diego
69% AI deal score
$219
$192
Round trip
2026-10-21 – 2026-11-03
AUS - San Diego
66% AI deal score
$195
$199
Round trip
2026-10-21 – 2026-11-18
AUS - San Diego
66% AI deal score
$186
$199
Round trip
2026-10-21 – 2026-11-17
AUS - San Diego
66% AI deal score
$186
$199
Round trip
2026-10-21 – 2026-11-10
AUS - San Diego
66% AI deal score
$186
$199
Round trip
2026-10-21 – 2026-11-04
AUS - San Diego
66% AI deal score
$195
$199
Round trip
2026-10-28 – 2026-11-18
AUS - San Diego
66% AI deal score
$187
$199
Round trip
2026-10-28 – 2026-11-10
AUS - San Diego
66% AI deal score
$196
$199
Round trip
2026-10-28 – 2026-11-03
AUS - San Diego
69% AI deal score
$218
$199
Round trip

Austin to San Diego: Overview

Insights for flights from Austin to San Diego

A typical journey from Austin to San Diego involves a median flight time of 3h 8m, including connections. Given that most itineraries connect at least once, with a median of 2 stopovers for connecting flights, this overall duration reflects the common travel experience on this route. The non-stop flight time is also 3h 8m, while connecting itineraries typically take 10h 12m.

For travelers looking for cheap flights from Austin to San Diego, prices typically range from $288–$761, with a median of $535. Right now, fares are above the typical level. Currently, 0% of recent fares are classified as a good price.

When is the cheapest time to fly from Austin to San Diego? You'll find the lowest median fares in December, with a median of $197. April also offers competitive pricing, with a median fare of $198. Following closely, March presents a median fare of $204, making these months the most budget-friendly for this route.

The route from Austin to San Diego covers a distance of 1870 km, classifying it as a medium-haul journey. This distance means you can expect a flight that is neither very short nor extremely long, providing a balanced travel experience. New deals for this route appear almost daily, suggesting frequent opportunities to find favorable prices.

How much is a round trip from Austin to San Diego

Regular price: $274 - $383

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

The regular price range for flights from Austin to San Diego is between $274 and $383. The current lowest deal is $176 with Frontier Airlines for travel from Oct 4-Oct 7.

now $176

Low $274

High $383

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

Wed, Sep 16

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$457

$337

One-way

Wed, Sep 16

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$557

$337

One-way

Thu, Sep 17

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$538

$337

One-way

Thu, Sep 17

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$545

$357

One-way

Fri, Sep 18

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$545

$357

One-way

Fri, Sep 18

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$481

$359

One-way

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

4 nights

Sep 16 - Sep 20

$557 → $337

39%

3 nights

Sep 17 - Sep 20

$538 → $337

37%

2 nights

Sep 17 - Sep 19

$545 → $357

35%

2 nights

Sep 18 - Sep 20

$545 → $357

35%

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 for Austin to San Diego are above the typical level of $535.

📅 Best time to fly

Cheapest flights in December, April, and March

Historically, the cheapest flights are in December ($197), April ($198), and March ($204).

⏱️ Flight duration

Direct flights take 3h 8m

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

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 73.1% of routes, with a median of 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. is one of the airlines that offers direct flights on this route.

🎯 Booking tip

Deals appear frequently

Deals for flights from Austin to San Diego appear frequently, typically within a 30-day window.

Austin main airports to depart from

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International Airport is a good option for flights from Austin to San Diego.

📍 ~11 km from city center (reachable by car)

💸 Flights from ~$180

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

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

📍 ~3 km from city center (reachable by car)

💸 Flights from ~$180

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is an extremely close alternative, especially for Mexico-bound travelers with a valid passport.

📍 ~30 km from San Diego (reachable via Cross Border Xpress (CBX) terminal)

💸 Flights from ~$341

Business & First Class Flight Deals to San Diego

Discover luxury on the budget with premium cabin class on flights from Austin to San Diego.

Elite

Best Elite deals to San Diego

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From AUS

Elite

Dec 01

San Diego, United States

66% AI deal score

$1,454

Porter Airlines, +1

Business Class

From AUS

Elite

Dec 13

San Diego, United States

65% AI deal score

$1,454

Porter Airlines, +1

Business Class

From AUS

Elite

Dec 01

San Diego, United States

65% AI deal score

$1,454

Porter Airlines, +1

Business Class

From AUS

Elite

Dec 01

San Diego, United States

65% AI deal score

$1,460

Porter Airlines, +1

Business Class

From AUS

Elite

Dec 07

San Diego, United States

65% AI deal score

$1,487

Porter Airlines, +1

Business Class

From AUS

Elite

Nov 12

San Diego, United States

65% AI deal score

$1,495

Porter Airlines, +1

Business Class

From AUS

Elite

Nov 12

San Diego, United States

65% AI deal score

$1,495

Porter Airlines, +1

Business Class

From AUS

Elite

Nov 29

San Diego, United States

65% AI deal score

$1,499

Air Transat, +1

Business Class

From AUS

Elite

Nov 12

San Diego, United States

65% AI deal score

$1,593

Porter Airlines, +1

Business Class

From AUS

Elite

Nov 12

San Diego, United States

65% AI deal score

$1,593

Porter Airlines, +1

Business Class

From AUS

Elite

Nov 12

San Diego, United States

65% AI deal score

$1,593

Porter Airlines, +1

Business Class

From AUS

Elite

Oct 29

San Diego, United States

65% AI deal score

$1,593

Porter Airlines, +1

Business Class

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 averaged $792, and those bought 7-13 days out averaged $832. Planning ahead can lead to significant savings on this route.

Across the trailing quarter, a good price for a flight from Austin to San Diego is considered to be $288 or less. This threshold represents the lowest 25% of fares observed over a 90-day period. The median price for this route was $535, with 75% of observed fares being $761 or less.

Historically, December and April have been among the cheapest months to fly from Austin to San Diego, with median prices of $197 and $198, respectively, across the trailing 270 days. March also offered competitive pricing with a median of $204. The annual median price for this route was $535, indicating that certain months offer considerably lower fares.

Related routes

More routes from Austin

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Flights to San Diego from other cities

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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: $274 - $383

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

The regular price range for flights from Austin to San Diego is between $274 and $383. The current lowest deal is $176 with Frontier Airlines for travel from Oct 4-Oct 7.

now $176

Low $274

High $383

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

Direct flights from Austin to San Diego

Alaska Airlines, Inc.

Last-minute flights going from Austin to San Diego

Wed, Sep 16

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$457

$337

One-way

Wed, Sep 16

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$557

$337

One-way

Thu, Sep 17

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$538

$337

One-way

Thu, Sep 17

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$545

$357

One-way

Fri, Sep 18

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$545

$357

One-way

Fri, Sep 18

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$481

$359

One-way

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

4 nights

Sep 16 - Sep 20

$557 → $337

39%

3 nights

Sep 17 - Sep 20

$538 → $337

37%

2 nights

Sep 17 - Sep 19

$545 → $357

35%

2 nights

Sep 18 - Sep 20

$545 → $357

35%

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 for Austin to San Diego are above the typical level of $535.

📅 Best time to fly

Cheapest flights in December, April, and March

Historically, the cheapest flights are in December ($197), April ($198), and March ($204).

⏱️ Flight duration

Direct flights take 3h 8m

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

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 73.1% of routes, with a median of 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. is one of the airlines that offers direct flights on this route.

🎯 Booking tip

Deals appear frequently

Deals for flights from Austin to San Diego appear frequently, typically within a 30-day window.

Austin main airports to depart from

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International Airport is a good option for flights from Austin to San Diego.

📍 ~11 km from city center (reachable by car)

💸 Flights from ~$180

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

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

📍 ~3 km from city center (reachable by car)

💸 Flights from ~$180

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is an extremely close alternative, especially for Mexico-bound travelers with a valid passport.

📍 ~30 km from San Diego (reachable via Cross Border Xpress (CBX) terminal)

💸 Flights from ~$341

San Diego, United States

65% AI deal score

$1,593

Porter Airlines, +1

Business Class

Frequently Asked Questions About Flights to San Diego

Cheap Flights from Austin to San Diego

Today’s best flight deals from Austin 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

The cheapest time to fly from Austin to San Diego

Direct flights from Austin to San Diego

Last-minute flights going from Austin to San Diego

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

Popular Airports to fly from Austin to San Diego

Austin - San Diego route insights

Recent fares are above the typical level

Cheapest flights in December, April, and March

Direct flights take 3h 8m

Connecting flights are dominant

Alaska Airlines, Inc. offers direct flights

Deals appear frequently

Austin main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Dec 01

Dec 13

Dec 01

Dec 01

Dec 07

Nov 12

Nov 12

Nov 29

Nov 12

Nov 12

Nov 12

Oct 29

Frequently Asked Questions About Flights to San Diego

When should I buy Austin to San Diego tickets?

What's a cheap fare from Austin to San Diego?

What's the cheapest month to fly from Austin to San Diego?

What percentage of Austin to San Diego flights are direct?

How long is the flight from Austin to San Diego?

How often do Austin to San Diego flight prices drop?

Related routes

More routes from Austin

Flights to San Diego from other cities

Austin to San Diego: Overview

Insights for flights from Austin to San Diego

How much is a round trip from Austin to San Diego

The cheapest time to fly from Austin to San Diego

Direct flights from Austin to San Diego

Last-minute flights going from Austin to San Diego

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

Popular Airports to fly from Austin to San Diego

Austin - San Diego route insights

Recent fares are above the typical level

Cheapest flights in December, April, and March

Direct flights take 3h 8m

Connecting flights are dominant

Alaska Airlines, Inc. offers direct flights

Deals appear frequently

Austin main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Dec 01

Dec 13

Dec 01

Dec 01

Dec 07

Nov 12

Nov 12

Nov 29

Nov 12

Nov 12

Nov 12

Oct 29

Frequently Asked Questions About Flights to San Diego

When should I buy Austin to San Diego tickets?

What's a cheap fare from Austin to San Diego?

What's the cheapest month to fly from Austin to San Diego?