$130+ Cheap flights from Austin (AUS) to Carlsbad, CA, CA
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LAX
Apr 23 — Apr 301
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Carlsbad with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Austin Bergstrom to Carlsbad are usually found in June or August, booked 73 days in advance, depart on a Thursday or Friday and return on a Saturday
Cheap flight deals from Austin to Carlsbad
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Best
Last-minute
One-way
Cheapest flights from Austin to CarlsbadExplore the most affordable flight options available from Austin to Carlsbad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.
Explore the most affordable flight options available from Austin to Carlsbad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
AUS
- LAX
1 stop5h 50m
Multiple Airlines
Tue 4/711:30 pm
LAX
- AUS
1 stop14h 34m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$238
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/104:59 pm
AUS
- LAX
2 stops18h 07m
Spirit Airlines
Sun 4/1211:30 pm
LAX
- AUS
1 stop14h 34m
Spirit Airlines
Deal found 3/19![Spirit Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 am
AUS
- LAX
2 stops11h 16m
Frontier
Tue 4/78:58 pm
LAX
- AUS
1 stop25h 23m
Frontier
Deal found 3/19![Frontier logo]()
$240
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:30 pm
AUS
- LAX
Nonstop3h 20m
Delta
Mon 4/206:46 pm
LAX
- AUS
Nonstop2h 49m
Delta
Deal found 3/23![Delta logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:45 am
AUS
- LAX
1 stop6h 15m
Frontier
Fri 4/106:15 am
LAX
- AUS
1 stop16h 06m
Frontier
Deal found 3/20![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:13 pm
AUS
- LAX
1 stop13h 22m
Frontier
Mon 5/258:59 pm
LAX
- AUS
1 stop10h 44m
Frontier
Deal found 3/23![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:01 pm
AUS
- LAX
1 stop17h 20m
Frontier
Tue 4/71:39 pm
LAX
- AUS
2 stops8h 42m
Frontier
Deal found 3/20![Frontier logo]()
$244
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:25 am
AUS
- LAX
Nonstop3h 20m
Southwest
Thu 4/306:00 am
LAX
- AUS
1 stop4h 50m
Southwest
Deal found 3/23![Southwest logo]()
$245
This CheapOair deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:55 pm
AUS
- LAX
1 stop15h 44m
Multiple Airlines
Mon 4/1311:30 pm
LAX
- AUS
1 stop14h 34m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$246
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:25 am
AUS
- LAX
Nonstop3h 20m
Southwest
Mon 6/16:00 am
LAX
- AUS
1 stop4h 50m
Southwest
Deal found 3/23![Southwest logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
AUS
- LAX
1 stop5h 50m
Frontier
Sun 4/129:48 pm
LAX
- AUS
2 stops24h 33m
Frontier
Deal found 3/21![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:00 am
AUS
- LAX
1 stop15h 12m
Frontier
Sun 4/129:48 pm
LAX
- AUS
2 stops24h 33m
Frontier
Deal found 3/21![Frontier logo]()
$249
Best flights from Austin to CarlsbadDiscover carefully curated flight deals from Austin to Carlsbad that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
Discover carefully curated flight deals from Austin to Carlsbad that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:25 am
AUS
- LAX
1 stop6h 05m
Southwest
Sun 5/175:00 am
LAX
- AUS
Nonstop2h 50m
Southwest
Deal found 3/22![Southwest logo]()
$245
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:08 pm
AUS
- LAX
Nonstop3h 23m
United Airlines
Sun 4/2611:59 pm
LAX
- AUS
Nonstop2h 57m
United Airlines
Deal found 3/22![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:25 pm
AUS
- LAX
Nonstop3h 26m
Delta
Sun 4/1910:35 am
LAX
- AUS
Nonstop2h 58m
Delta
Deal found 3/18![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:15 pm
AUS
- LAX
1 stop7h 15m
Southwest
Wed 5/276:45 am
LAX
- AUS
Nonstop2h 50m
Southwest
Deal found 3/22![Southwest logo]()
$245
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:15 pm
AUS
- LAX
1 stop4h 40m
Southwest
Mon 4/206:00 am
LAX
- AUS
1 stop4h 50m
Southwest
Deal found 3/22![Southwest logo]()
$270
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:30 pm
AUS
- LAX
Nonstop3h 20m
Delta
Sun 4/266:46 pm
LAX
- AUS
Nonstop2h 49m
Delta
Deal found 3/21![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:20 pm
AUS
- LAX
Nonstop3h 20m
Southwest
Fri 4/247:55 pm
LAX
- AUS
Nonstop2h 45m
Southwest
Deal found 3/19![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:10 pm
AUS
- LAX
1 stop7h 58m
Delta
Sun 4/267:35 am
LAX
- AUS
Nonstop2h 50m
Delta
Deal found 3/20![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:15 pm
AUS
- LAX
1 stop4h 40m
Southwest
Sun 5/35:00 am
LAX
- AUS
Nonstop2h 50m
Southwest
Deal found 3/21![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:15 pm
AUS
- LAX
Nonstop3h 20m
Southwest
Mon 4/276:00 am
LAX
- AUS
1 stop4h 50m
Southwest
Deal found 3/21![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:15 pm
AUS
- LAX
1 stop4h 40m
Southwest
Sat 6/67:10 pm
LAX
- AUS
Nonstop2h 55m
Southwest
Deal found 3/21![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:50 am
AUS
- LAX
2 stops6h 50m
Southwest
Tue 4/282:20 pm
LAX
- AUS
2 stops5h 45m
Southwest
Deal found 3/20![Southwest logo]()
$301
Last-minute flights from Austin to CarlsbadDiscover last-minute flight deals from Austin to Carlsbad. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Carlsbad. Data last updated March 24, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:55 pm
AUS
- LAX
1 stop15h 44m
Multiple Airlines
Mon 4/1311:30 pm
LAX
- AUS
1 stop14h 34m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 am
AUS
- LAX
2 stops11h 16m
Frontier
Tue 4/78:58 pm
LAX
- AUS
1 stop25h 23m
Frontier
Deal found 3/19![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:45 am
AUS
- LAX
1 stop6h 15m
Frontier
Fri 4/106:15 am
LAX
- AUS
1 stop16h 06m
Frontier
Deal found 3/20![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:45 am
AUS
- LAX
1 stop19h 27m
Frontier
Wed 4/86:15 am
LAX
- AUS
1 stop16h 06m
Frontier
Deal found 3/19![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:01 pm
AUS
- LAX
1 stop17h 20m
Frontier
Tue 4/71:39 pm
LAX
- AUS
2 stops8h 42m
Frontier
Deal found 3/20![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
AUS
- LAX
1 stop5h 50m
Multiple Airlines
Tue 4/711:30 pm
LAX
- AUS
1 stop14h 34m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
AUS
- LAX
1 stop5h 50m
Frontier
Sun 4/129:48 pm
LAX
- AUS
2 stops24h 33m
Frontier
Deal found 3/21![Frontier logo]()
$248
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/104:59 pm
AUS
- LAX
2 stops18h 07m
Spirit Airlines
Sun 4/1211:30 pm
LAX
- AUS
1 stop14h 34m
Spirit Airlines
Deal found 3/19![Spirit Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:00 am
AUS
- LAX
1 stop15h 12m
Frontier
Sun 4/129:48 pm
LAX
- AUS
2 stops24h 33m
Frontier
Deal found 3/21![Frontier logo]()
$249
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:30 pm
AUS
- LAX
Nonstop3h 20m
Delta
Mon 4/206:46 pm
LAX
- AUS
Nonstop2h 49m
Delta
Deal found 3/23![Delta logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:47 pm
AUS
- LAX
1 stop22h 27m
Frontier
Wed 4/225:11 pm
LAX
- AUS
2 stops14h 18m
Frontier
Deal found 3/22![Frontier logo]()
$243
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:25 am
AUS
- LAX
Nonstop3h 20m
Southwest
Thu 4/306:00 am
LAX
- AUS
1 stop4h 50m
Southwest
Deal found 3/23![Southwest logo]()
$245
One-way flights from Austin to CarlsbadSearch for one-way flight options from Austin to Carlsbad. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
Search for one-way flight options from Austin to Carlsbad. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
This Super.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:45 pm
AUS
- LAX
1 stop27h 27m
Frontier
Deal found 3/19![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1512:02 pm
AUS
- LAX
1 stop9h 18m
Frontier
Deal found 3/20![Frontier logo]()
$131
This Trip.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:48 pm
AUS
- LAX
1 stop14h 30m
Frontier
Deal found 3/23![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:58 am
AUS
- LAX
1 stop6h 11m
Frontier
Deal found 3/23![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:00 am
AUS
- LAX
2 stops25h 05m
Frontier
Deal found 3/19![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 am
AUS
- LAX
2 stops28h 06m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$135
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:30 pm
AUS
- LAX
Nonstop3h 20m
Delta
Deal found 3/20![Delta logo]()
$136
This CheapOair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:40 pm
AUS
- LAX
1 stop12h 40m
Frontier
Deal found 3/19![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:42 pm
AUS
- LAX
1 stop12h 21m
Frontier
Deal found 3/20![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:03 pm
AUS
- LAX
2 stops35h 50m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$140
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:15 pm
AUS
- LAX
1 stop4h 40m
Southwest
Deal found 3/22![Southwest logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:57 pm
AUS
- LAX
2 stops19h 39m
Frontier
Deal found 3/23![Frontier logo]()
$142
Find flight deals from Austin to Carlsbad
Keep the following information in mind while searching for Austin to Carlsbad flight deals. Data was last updated March 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $238 (Kiwi.com) |
One-way from | $130 (Super.com) |
Popular in | March |
Cheapest in | June |
Average price | $401 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Carlsbad 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, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Austin to Carlsbad that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Wed 5/13
7:25 am-11:30 am
1 stop6h 05m
Los Angeles
Sun 5/17
5:00 am-9:50 am
Nonstop2h 50m
$245
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Sat 5/23
3:15 pm-8:30 pm
1 stop7h 15m
Los Angeles
Wed 5/27
6:45 am-11:35 am
Nonstop2h 50m
$245
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Fri 4/17
7:15 pm-9:55 pm
1 stop4h 40m
Los Angeles
Mon 4/20
6:00 am-12:50 pm
1 stop4h 50m
$270
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Fri 4/24
8:08 pm-9:31 pm
Nonstop3h 23m
Los Angeles
Sun 4/26
11:59 pm-4:56 am
Nonstop2h 57m
$271
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Thu 4/16
4:25 pm-5:51 pm
Nonstop3h 26m
Los Angeles
Sun 4/19
10:35 am-3:33 pm
Nonstop2h 58m
$271
Quickest round-trip
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Fri 4/17
9:20 pm-10:40 pm
Nonstop3h 20m
Los Angeles
Fri 4/24
7:55 pm-12:40 am
Nonstop2h 45m
$271
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Fri 5/1
7:15 pm-9:55 pm
1 stop4h 40m
Los Angeles
Sun 5/3
5:00 am-9:50 am
Nonstop2h 50m
$277
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Sat 4/25
6:15 pm-7:35 pm
Nonstop3h 20m
Los Angeles
Mon 4/27
6:00 am-12:50 pm
1 stop4h 50m
$277
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Thu 5/28
7:15 pm-9:55 pm
1 stop4h 40m
Los Angeles
Sat 6/6
7:10 pm-12:05 am
Nonstop2h 55m
$277
AustinLos Angeles
AUS - LAX
AUSLAX
Austin Bergstrom
Tue 4/21
8:50 am-1:40 pm
2 stops6h 50m
Los Angeles
Tue 4/28
2:20 pm-10:05 pm
2 stops5h 45m
$301
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Austin to Carlsbad
Have a flexible travel schedule? Discover the best time to fly to Carlsbad from Austin with our price prediction graph.
AUS-LAX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Austin to Carlsbad
AUS-C4D
AUS-LAX
How far ahead should I book a flight from Austin to Carlsbad?
Use this chart to determine the optimal time to book a round-trip flight from Austin to Carlsbad. Price data was last updated on March 13, 2026.
The best time to book flights from Austin to Carlsbad is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Austin to Carlsbad?
Currently, September is the cheapest month in which you can book a flight from Austin to Carlsbad (average of $60). Flying from Austin to Carlsbad in July is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from AUS to C4D?
Find hourly flight availability from Austin to Carlsbad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 24, 2026.
It’s optimal to fly from Austin to Carlsbad in the afternoon. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Austin to Carlsbad?
Use this chart to determine the cheapest time to fly round-trip from Austin to Carlsbad. Price data was last updated on March 23, 2026.
Travelers seeking maximum savings on their Austin to Carlsbad flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Austin to Carlsbad
Explore weekly flight availability from Austin to Carlsbad. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 24, 2026.
The most flights from AUS to C4D are scheduled on a Monday (55 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (41 on average).
Reviews of airlines servicing Carlsbad
Get insights into the airlines that provide service to Carlsbad. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Carlsbad. Reviews last updated March 24, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Austin to Carlsbad to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Austin to Carlsbad. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Austin to Carlsbad
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Carlsbad by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Carlsbad by cabin class
Find flights from Austin to Carlsbad, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Carlsbad flights
Browse other Austin and Carlsbad flight options. Last updated on March 24, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on March 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Carlsbad flights
Consider these flights traveling from Austin to Carlsbad.
Top 9 airlines flying from Austin to Carlsbad
Discover the top 9 airlines that operate flights from Austin to Carlsbad. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$178 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$71 | Average$212 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$286 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$118 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$164 | Average$409 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$177 | Average$394 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$184 | Average$329 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$184 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$354 | FlexibilityNo cancel fee | On-time62% |