$48 Cheap flight deals from Austin (AUS) to Carlsbad (SAN)

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This Weekend's Flight Deals from Austin to Carlsbad

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Sep 21 - Mon, Sep 29
AUS
Austin-Bergstrom Intl.
SAN
San Diego Intl.
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Sep 21 from Austin-Bergstrom Intl. to San Diego Intl., returning Mon, Sep 29, priced at $327 found 1 day ago
Sat, Sep 20 - Tue, Sep 23
AUS
Austin-Bergstrom Intl.
CLD
McClellan-Palomar
$655 Roundtrip, found 23 hours ago
$655
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sat, Sep 20 from Austin-Bergstrom Intl. to McClellan-Palomar, returning Tue, Sep 23, priced at $655 found 23 hours ago

Airfares from $48 One Way, $86 Round Trip from Austin to Carlsbad

Prices starting at $86 for return flights and $48 for one-way flights to Carlsbad were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 8 - Sun, Dec 14
AUS
Austin
SAN
San Diego
$86 Roundtrip, found 9 hours ago
$86
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Austin to San Diego, returning Sun, Dec 14, priced at $86 found 9 hours ago
Thu, Oct 23 - Mon, Oct 27
AUS
Austin
SAN
San Diego
$87 Roundtrip, found 11 hours ago
$87
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Austin to San Diego, returning Mon, Oct 27, priced at $87 found 11 hours ago
Tue, Nov 11 - Sun, Nov 16
AUS
Austin
SAN
San Diego
$100 Roundtrip, found 5 days ago
$100
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Austin to San Diego, returning Sun, Nov 16, priced at $100 found 5 days ago
Tue, Nov 4 - Fri, Nov 7
AUS
Austin
SAN
San Diego
$101 Roundtrip, found 4 days ago
$101
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Austin to San Diego, returning Fri, Nov 7, priced at $101 found 4 days ago
Wed, Feb 25 - Tue, Mar 3
AUS
Austin
SAN
San Diego
$123 Roundtrip, found 5 days ago
$123
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Austin to San Diego, returning Tue, Mar 3, priced at $123 found 5 days ago

Carlsbad economy flight packages

Price found within the past 48 hours. Click for updated prices.
San Diego Mission Bay Resort
4.0-star property

San Diego Mission Bay Resort

8.4/10 Very Good! (1,309 reviews)

Oct 31 - Nov 3

3 night stay

Austin (AUS) to San Diego (SAN)

Southwest Airlines • Coach

San Diego (SAN) to Austin (AUS)

Frontier Airlines • Coach
Price was $564, price is now $419 per person
$419
per person
found 1 day ago
It was my first resort with a pickleball court and we played . That was fun. The desk staff let us use a wheelchair for my mother who is 91 so she could come out to pickleball court and watch us. That was nice. The pool facilities are very nice and we enjoyed that.

Reviewed on May 18, 2025

Shore House at The Del, LXR Hotels & Resorts
4.0-star property

Shore House at The Del, LXR Hotels & Resorts

9.2/10 Wonderful! (99 reviews)

Oct 31 - Nov 3

3 night stay

Austin (AUS) to San Diego (SAN)

Southwest Airlines • Coach

San Diego (SAN) to Austin (AUS)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,569, price is now $1,178 per person
$1,178
per person
found 1 day ago
Very nice and right on the beach!

Reviewed on Jul 22, 2024

Estancia La Jolla Hotel & Spa
4.0-star property

Estancia La Jolla Hotel & Spa

9/10 Wonderful! (269 reviews)

Nov 7 - Nov 9

2 night stay

Austin (AUS) to San Diego (SAN)

Alaska Airlines • Coach

San Diego (SAN) to Austin (AUS)

Southwest Airlines • Coach
Price was $783, price is now $602 per person
$602
per person
found 1 day ago
Friendly staff. Old world charm. Lots of plants. Great breakfast selection.

Reviewed on Aug 22, 2025

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More About Flying To Carlsbad from Austin

Route Information for Flights from Austin to Carlsbad

Origin Airport IATA Code
AUS
Destination Airport IATA Code
SAN
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Austin to Carlsbad

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 Budget Flying Made Simple

Finding cheap flights from Austin to Carlsbad is easy with Orbitz. You can pick and choose airlines for your international flights to create inexpensive yet convenient travel arrangements.

Frequently asked questions

Are there non-stop flights from Austin to Carlsbad?
Alaska Airlines and Southwest Airlines operate nonstop flights from Austin-Bergstrom Intl. Airport (AUS) to San Diego Intl. Airport (SAN), which means you won't need to stress about switching planes or being bored on a layover.
What is the shortest flight from Austin to Carlsbad?
If conditions are good and all goes as planned, you could be stepping off the plane at San Diego Airport from Austin-Bergstrom Intl. Airport (AUS) in only 2 hours and 57 minutes. With such a speedy flight time, contemplate taking carry-on luggage only.
What airlines fly from Austin to Carlsbad most frequently?
The carriers that fly frequently between AUS and San Diego Airport include Alaska Airlines (AS). This popular option offers 82 flights on the route each month. Southwest Airlines (WN) will also take you to your destination in comfort. Offering 56 flights per month between Austin and Carlsbad, it's another quality airline to look into.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.