What percentage of Austin to San Diego flights are direct?

In the trailing 90 days, approximately 10.1% of flights from Austin to San Diego were direct. For travelers with connecting flights, the median number of stopovers observed was 2. This suggests that the majority of routes between these two cities typically involve at least one stop.

How long is the flight from Austin to San Diego?

The typical direct flight from Austin to San Diego has a duration of approximately 3 hours and 20 minutes, covering a distance of 1870 kilometers. Flights with one stop, however, are significantly longer, with a median duration of 11 hours and 27 minutes. Travelers should account for this difference when planning their journey.

How often do Austin to San Diego flight prices drop?

Historically, flight prices for the Austin to San Diego route frequently experience drops. This route is classified as one where price fluctuations are common. Travelers monitoring this route may observe opportunities for price reductions across the trailing quarter.

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 today

485 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)

Today’s best flight deals from Austin to San Diego

Explore current cheapest deals departing from Austin to San Diego

2026-12-12 – 2026-12-17
AUS - San Diego
79% AI deal score
$281
$126
Round trip
2026-11-17 – 2026-11-19
AUS - San Diego
78% AI deal score
$278
$128
Round trip
2026-12-01 – 2026-12-09
AUS - San Diego
77% AI deal score
$260
$130
Round trip
2026-12-01 – 2026-12-02
AUS - San Diego
79% AI deal score
$289
$130
Round trip
2026-12-07 – 2026-12-09
AUS - San Diego
79% AI deal score
$288
$130
Round trip
2026-12-09 – 2026-12-10
AUS - San Diego
79% AI deal score
$289
$131
Round trip
2026-12-08 – 2026-12-09
AUS - San Diego
79% AI deal score
$289
$131
Round trip
2026-12-01 – 2026-12-08
AUS - San Diego
78% AI deal score
$272
$132
Round trip
2026-12-07 – 2026-12-08
AUS - San Diego
78% AI deal score
$289
$132
Round trip
2026-12-09 – 2026-12-17
AUS - San Diego
77% AI deal score
$260
$132
Round trip

Austin to San Diego: Overview

Insights for flights from Austin to San Diego

A typical journey from Austin to San Diego, including connections, takes about 3h 20m. Given that most itineraries for this route involve at least one stop, this median time reflects the overall travel duration rather than just the in-air flight time. For travelers seeking cheap flights from Austin to San Diego, understanding the full journey time is crucial.

Right now, fares for flights from Austin to San Diego typically range from $336–$779, with a median of $488. Current fares are below the typical level, and only 2% of recent fares were classified as a good price. New deals appear almost daily for this route, so frequent checks can be beneficial.

When is the cheapest time to fly from Austin to San Diego? The data indicates that January is the most affordable month, with a median fare of $197. February also offers competitive pricing, with a median of $224. Another relatively cheaper option is November, where the median fare is $372.

Most itineraries for flights from Austin to San Diego connect at least once, with only 10.1% of recent fares being direct flights from Austin to San Diego. For connecting itineraries, the typical number of connections is 2, which significantly extends the overall travel time compared to non-stop options.

The distance between Austin and San Diego is approximately 1870 kilometers. This places the route in the medium-haul category, meaning you can expect a flight duration that is longer than short domestic hops but shorter than international or transcontinental journeys.

How much is a round trip from Austin to San Diego

Regular price: $228 - $378

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 typically between $228 and $378. Currently, the lowest deal found is $126 with Frontier Airlines for travel from Dec 12-Dec 17.

now $126

Low $228

High $378

The cheapest time to fly from Austin to San Diego

The cheapest month to fly from Austin to San Diego is February, with a median price of $224. The most expensive month is December, with a median price of $770. Prices are generally lower from January to November.

February

Cheapest

Flights from $224

December

Most Expensive

Flights from $770

Jan

Feb

Mar

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

Tue, Oct 27

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$627

$426

One-way

Tue, Oct 27

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$633

$430

One-way

Sat, Nov 7

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$314

$257

One-way

Tue, Nov 10

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$288

$196

One-way

Wed, Nov 11

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$259

$146

One-way

Wed, Nov 11

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$249

$183

One-way

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

3 nights

Oct 27 - Oct 30

$627 → $425

32%

1 night

Oct 30 - Oct 31

$613 → $425

31%

2 nights

Oct 29 - Oct 31

$611 → $426

30%

2 nights

Dec 1 - Dec 3

$289 → $125

57%

Popular Airports to fly from Austin to San Diego

Austin - San Diego route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Austin to San Diego are below the typical level, with a median of $488.

📅 Best time to fly

January offers the lowest median price

Historically, January is the cheapest month to fly, with a median price of $197.

⏱️ Flight duration

Direct flights take 3h 20m

The median flight duration for a direct flight from Austin to San Diego is 3h 20m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with a median of 2 stopovers.

🏆 Airline highlight

Southwest Airlines offers direct flights

Southwest Airlines offers direct flights on the Austin to San Diego route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Austin to San Diego are frequent, appearing often over 30 days.

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 Austin city center (reachable by car)

💸 Flights from ~$121

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 ~$145

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is an extremely close alternative, especially for Mexico-bound travelers via CBX.

📍 ~25 km from San Diego (reachable by Cross Border Xpress)

💸 Flights from ~$369

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 14

San Diego, United States

82% AI deal score

$855

$549

Save $306

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 14

San Diego, United States

82% AI deal score

$881

$549

Save $332

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 07

San Diego, United States

82% AI deal score

$851

$549

Save $302

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 07

San Diego, United States

82% AI deal score

$880

$549

Save $331

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 07

San Diego, United States

82% AI deal score

$867

$549

Save $318

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Nov 17

San Diego, United States

81% AI deal score

$844

$557

Save $287

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 03

San Diego, United States

81% AI deal score

$827

$557

Save $270

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 05

San Diego, United States

81% AI deal score

$867

$557

Save $310

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 07

San Diego, United States

80% AI deal score

$795

$549

Save $246

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 07

San Diego, United States

80% AI deal score

$803

$549

Save $254

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 07

San Diego, United States

80% AI deal score

$788

$549

Save $239

Alaska Airlines, Inc.

Business Class

From AUS

Elite

Dec 07

San Diego, United States

80% AI deal score

$791

$549

Save $242

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to San Diego

Historically, the optimal time to purchase tickets for flights from Austin to San Diego is typically 14-27 days before departure. During this window, the average price is around $690. Prices tend to be significantly higher for last-minute bookings, with flights purchased 0-6 days out averaging $1009. Even planning further ahead, 60+ days out, shows a higher average price of $772 compared to the optimal window.

Across the trailing quarter, a good price for a flight from Austin to San Diego is considered to be $336 or less. The median price for this route over the same period was $488. Fares can go higher, with 75% of prices observed at $779 or less. Travelers aiming for a budget-friendly trip should target prices at or below the $336 threshold.

Historically, January and February are typically the cheapest months to fly from Austin to San Diego, with median prices around $197 and $224, respectively. November also offers a relatively lower median price of $372. The annual median price for this route is $488, indicating that these months offer notable savings compared to the yearly average.

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: $228 - $378

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 typically between $228 and $378. Currently, the lowest deal found is $126 with Frontier Airlines for travel from Dec 12-Dec 17.

now $126

Low $228

High $378

The cheapest time to fly from Austin to San Diego

February

Cheapest

Flights from $224

December

Most Expensive

Flights from $770

Jan

Feb

Mar

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

Tue, Oct 27

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$627

$426

One-way

Tue, Oct 27

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$633

$430

One-way

Sat, Nov 7

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$314

$257

One-way

Tue, Nov 10

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$288

$196

One-way

Wed, Nov 11

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$259

$146

One-way

Wed, Nov 11

⌛ Last-Minute

AUS - San Diego

Austin (AUS) - San Diego (SAN)

Frontier Airlines

$249

$183

One-way

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

3 nights

Oct 27 - Oct 30

$627 → $425

32%

1 night

Oct 30 - Oct 31

$613 → $425

31%

2 nights

Oct 29 - Oct 31

$611 → $426

30%

2 nights

Dec 1 - Dec 3

$289 → $125

57%

Popular Airports to fly from Austin to San Diego

Austin - San Diego route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Austin to San Diego are below the typical level, with a median of $488.

📅 Best time to fly

January offers the lowest median price

Historically, January is the cheapest month to fly, with a median price of $197.

⏱️ Flight duration

Direct flights take 3h 20m

The median flight duration for a direct flight from Austin to San Diego is 3h 20m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with a median of 2 stopovers.

🏆 Airline highlight

Southwest Airlines offers direct flights

Southwest Airlines offers direct flights on the Austin to San Diego route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Austin to San Diego are frequent, appearing often over 30 days.

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 Austin city center (reachable by car)

💸 Flights from ~$121

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 ~$145

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is an extremely close alternative, especially for Mexico-bound travelers via CBX.

San Diego, United States

80% AI deal score

$791

$549

Save $242

Alaska Airlines, Inc.

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 below the typical level

January offers the lowest median price

Direct flights take 3h 20m

Connecting flights are dominant

Southwest Airlines offers direct flights

Deals are frequent on this route

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 14

Dec 14

Dec 07

Dec 07

Dec 07

Nov 17

Dec 03

Dec 05

Dec 07

Dec 07

Dec 07

Dec 07

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 below the typical level

January offers the lowest median price

Direct flights take 3h 20m

Connecting flights are dominant

Southwest Airlines offers direct flights

Deals are frequent on this route

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 14

Dec 14

Dec 07

Dec 07

Dec 07

Nov 17

Dec 03

Dec 05

Dec 07

Dec 07

Dec 07

Dec 07

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?