Travel with Axel,
get the best price.

San Diego → Austin

Dec 21, 2026 · return Dec 22, 2026

SAN → AUS1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Tue, Dec 22

Southwest Airlines
8:10 amSAN
2h 50m
Nonstop
1:00 pmAUS
Southwest Airlines
6:30 amAUS
3h
Nonstop
7:30 amSAN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

Alaska Airlines
7:46 amSAN
3h 10m
Nonstop
12:56 pmAUS
Alaska Airlines
7:59 pmAUS
3h 20m
Nonstop
9:19 pmSAN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

Southwest Airlines
4:25 pmSAN
2h 45m
Nonstop
9:10 pmAUS
Southwest Airlines
6:30 amAUS
3h
Nonstop
7:30 amSAN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

Alaska Airlines
5:13 pmSAN
3h 6m
Nonstop
10:19 pmAUS
Alaska Airlines
7:59 pmAUS
3h 20m
Nonstop
9:19 pmSAN

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Tue, Dec 22

American Airlines
4:30 pmSAN
5h 44m
PHX · 2h 2m
12:14 am+1AUS
American Airlines
6:02 pmAUS
5h 46m
PHX · 1h 47m
9:48 pmSAN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

United Airlines
2:30 pmSAN
5h 26m
LAX · 1h 20m
9:56 pmAUS
United Airlines
7:07 amAUS
6h 8m
LAX · 1h 40m
11:15 amSAN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

Southwest Airlines
6:20 pmSAN
5h 5m
LAS · 1h 5m
1:25 am+1AUS
Southwest Airlines
6:30 amAUS
3h
Nonstop
7:30 amSAN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

Alaska Airlines
7:00 amSAN
5h 15m
DFW · 1h 7m
2:15 pmAUS
Alaska Airlines
7:59 pmAUS
3h 20m
Nonstop
9:19 pmSAN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

Alaska Airlines
5:19 pmSAN
4h 40m
PHX · 1h 2m
11:59 pmAUS
Alaska Airlines
7:59 pmAUS
3h 20m
Nonstop
9:19 pmSAN

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

United Airlines
10:20 amSAN
5h 31m
IAH · 1h 11m
5:51 pmAUS
United Airlines
7:07 amAUS
6h 8m
LAX · 1h 40m
11:15 amSAN

Round-trip total · 1 adult · Taxes included

Make this trip yours

SAN ⇄ AUS

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2026-12-22Southwest AirlinesWN3681 / WN420$381.262026-10-29T02:05:51Z
2026-12-21 → 2026-12-22Alaska AirlinesAS3489 / AS3301$387.502026-10-29T02:05:51Z
2026-12-21 → 2026-12-22American AirlinesAA1950 + AA1805 / AA1421 + AA473$412.502026-10-29T02:05:51Z
2026-12-21 → 2026-12-22United AirlinesUA660 + UA1001 / UA357 + UA1365$425.002026-10-29T02:05:51Z
2026-12-21 → 2026-12-22Southwest AirlinesWN4575 / WN420$381.262026-10-29T02:05:51Z
2026-12-21 → 2026-12-22Alaska AirlinesAS3292 / AS3301$387.502026-10-29T02:05:51Z
2026-12-21 → 2026-12-22Southwest AirlinesWN1409 + WN431 / WN420$390.632026-10-29T02:05:51Z
2026-12-21 → 2026-12-22Alaska AirlinesAS400 + AA3885 / AS3301$412.502026-10-29T02:05:51Z
2026-12-21 → 2026-12-22Alaska AirlinesAS2089 + AA1805 / AS3301$412.502026-10-29T02:05:51Z
2026-12-21 → 2026-12-22United AirlinesUA1980 + UA1711 / UA357 + UA1365$425.002026-10-29T02:05:51Z

2026-12-21 → 2026-12-22 · $381.26

  • Southwest Airlines WN3681: SAN 2026-12-21 08:10:00 → AUS 2026-12-21 13:00:00; nonstop; 170 minutes. Local airport times.
  • Southwest Airlines WN420: AUS 2026-12-22 06:30:00 → SAN 2026-12-22 07:30:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $387.50

  • Alaska Airlines AS3489: SAN 2026-12-21 07:46:00 → AUS 2026-12-21 12:56:00; nonstop; 190 minutes. Local airport times.
  • Alaska Airlines AS3301: AUS 2026-12-22 19:59:00 → SAN 2026-12-22 21:19:00; nonstop; 200 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $412.50

  • American Airlines AA1950 / AA1805: SAN 2026-12-21 16:30:00 → AUS 2026-12-22 00:14:00; 1 stop(s) via PHX; 344 minutes. Local airport times.
    • AA1950: SAN 2026-12-21 16:30:00 → PHX 2026-12-21 18:59:00; layover at PHX: 122 minutes.
    • AA1805: PHX 2026-12-21 21:01:00 → AUS 2026-12-22 00:14:00.
  • American Airlines AA1421 / AA473: AUS 2026-12-22 18:02:00 → SAN 2026-12-22 21:48:00; 1 stop(s) via PHX; 346 minutes. Local airport times.
    • AA1421: AUS 2026-12-22 18:02:00 → PHX 2026-12-22 19:40:00; layover at PHX: 107 minutes.
    • AA473: PHX 2026-12-22 21:27:00 → SAN 2026-12-22 21:48:00.

2026-12-21 → 2026-12-22 · $425.00

  • United Airlines UA660 / UA1001: SAN 2026-12-21 14:30:00 → AUS 2026-12-21 21:56:00; 1 stop(s) via LAX; 326 minutes. Local airport times.
    • UA660: SAN 2026-12-21 14:30:00 → LAX 2026-12-21 15:35:00; layover at LAX: 80 minutes.
    • UA1001: LAX 2026-12-21 16:55:00 → AUS 2026-12-21 21:56:00.
  • United Airlines UA357 / UA1365: AUS 2026-12-22 07:07:00 → SAN 2026-12-22 11:15:00; 1 stop(s) via LAX; 368 minutes. Local airport times.
    • UA357: AUS 2026-12-22 07:07:00 → LAX 2026-12-22 08:35:00; layover at LAX: 100 minutes.
    • UA1365: LAX 2026-12-22 10:15:00 → SAN 2026-12-22 11:15:00.

2026-12-21 → 2026-12-22 · $381.26

  • Southwest Airlines WN4575: SAN 2026-12-21 16:25:00 → AUS 2026-12-21 21:10:00; nonstop; 165 minutes. Local airport times.
  • Southwest Airlines WN420: AUS 2026-12-22 06:30:00 → SAN 2026-12-22 07:30:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $387.50

  • Alaska Airlines AS3292: SAN 2026-12-21 17:13:00 → AUS 2026-12-21 22:19:00; nonstop; 186 minutes. Local airport times.
  • Alaska Airlines AS3301: AUS 2026-12-22 19:59:00 → SAN 2026-12-22 21:19:00; nonstop; 200 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $390.63

  • Southwest Airlines WN1409 / WN431: SAN 2026-12-21 18:20:00 → AUS 2026-12-22 01:25:00; 1 stop(s) via LAS; 305 minutes. Local airport times.
    • WN1409: SAN 2026-12-21 18:20:00 → LAS 2026-12-21 19:40:00; layover at LAS: 65 minutes.
    • WN431: LAS 2026-12-21 20:45:00 → AUS 2026-12-22 01:25:00.
  • Southwest Airlines WN420: AUS 2026-12-22 06:30:00 → SAN 2026-12-22 07:30:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $412.50

  • Alaska Airlines AS400 / AA3885: SAN 2026-12-21 07:00:00 → AUS 2026-12-21 14:15:00; 1 stop(s) via DFW; 315 minutes. Local airport times.
    • AS400: SAN 2026-12-21 07:00:00 → DFW 2026-12-21 12:03:00; layover at DFW: 67 minutes.
    • AA3885: DFW 2026-12-21 13:10:00 → AUS 2026-12-21 14:15:00.
  • Alaska Airlines AS3301: AUS 2026-12-22 19:59:00 → SAN 2026-12-22 21:19:00; nonstop; 200 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $412.50

  • Alaska Airlines AS2089 / AA1805: SAN 2026-12-21 17:19:00 → AUS 2026-12-21 23:59:00; 1 stop(s) via PHX; 280 minutes. Local airport times.
    • AS2089: SAN 2026-12-21 17:19:00 → PHX 2026-12-21 19:40:00; layover at PHX: 62 minutes.
    • AA1805: PHX 2026-12-21 20:42:00 → AUS 2026-12-21 23:59:00.
  • Alaska Airlines AS3301: AUS 2026-12-22 19:59:00 → SAN 2026-12-22 21:19:00; nonstop; 200 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $425.00

  • United Airlines UA1980 / UA1711: SAN 2026-12-21 10:20:00 → AUS 2026-12-21 17:51:00; 1 stop(s) via IAH; 331 minutes. Local airport times.
    • UA1980: SAN 2026-12-21 10:20:00 → IAH 2026-12-21 15:34:00; layover at IAH: 71 minutes.
    • UA1711: IAH 2026-12-21 16:45:00 → AUS 2026-12-21 17:51:00.
  • United Airlines UA357 / UA1365: AUS 2026-12-22 07:07:00 → SAN 2026-12-22 11:15:00; 1 stop(s) via LAX; 368 minutes. Local airport times.
    • UA357: AUS 2026-12-22 07:07:00 → LAX 2026-12-22 08:35:00; layover at LAX: 100 minutes.
    • UA1365: LAX 2026-12-22 10:15:00 → SAN 2026-12-22 11:15:00.

More dates for this route