Travel with Axel,
get the best price.

Route overview: San Diego to Austin (AUS) flight deals

San Diego → Austin

Dec 5, 2026 · return Dec 7, 2026

SAN → AUS1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Sat, Dec 5 – Mon, Dec 7

Southwest Airlines
4:50 pmSAN
2h 45m
Nonstop
9:35 pmAUS
Southwest Airlines
12:40 pmAUS
3h
Nonstop
1:40 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

Alaska Airlines
7:46 amSAN
3h 10m
Nonstop
12:56 pmAUS
Alaska Airlines
6:00 amAUS
3h 26m
Nonstop
7:26 amSAN

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

Southwest Airlines
8:45 pmSAN
2h 55m
Nonstop
1:40 am+1AUS
Southwest Airlines
12:40 pmAUS
3h
Nonstop
1:40 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

Alaska Airlines
5:19 pmSAN
3h 10m
Nonstop
10:29 pmAUS
Alaska Airlines
6:00 amAUS
3h 26m
Nonstop
7:26 amSAN

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Dec 5 – Mon, Dec 7

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

Sat, Dec 5 – Mon, Dec 7

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

Sat, Dec 5 – Mon, Dec 7

Southwest Airlines
6:20 pmSAN
5h 5m
LAS · 1h 5m
1:25 am+1AUS
Southwest Airlines
12:40 pmAUS
3h
Nonstop
1:40 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

Alaska Airlines
5:19 pmSAN
4h 40m
PHX · 1h 2m
11:59 pmAUS
Alaska Airlines
6:00 amAUS
3h 26m
Nonstop
7:26 amSAN

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

Alaska Airlines
7:00 amSAN
5h 15m
DFW · 1h 7m
2:15 pmAUS
Alaska Airlines
6:00 amAUS
3h 26m
Nonstop
7:26 amSAN

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

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

Explore this route

All dates for this routeDec 4, 2026 → Dec 6, 2026Dec 6, 2026 → Dec 8, 2026
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.

Live price for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the flights there to get the current bookable total; the listed prices are the ones issued at the times shown.

Route overview: San Diego to Austin (AUS) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-05 → 2026-12-07Southwest AirlinesWN3531 / WN421$305.002026-10-29T02:05:51Z
2026-12-05 → 2026-12-07Alaska AirlinesAS3489 / AS3293$310.002026-10-29T02:05:51Z
2026-12-05 → 2026-12-07American AirlinesAA1950 + AA1805 / AA1421 + AA473$330.002026-10-29T02:05:51Z
2026-12-05 → 2026-12-07United AirlinesUA660 + UA1001 / UA357 + UA1365$340.002026-10-29T02:05:51Z
2026-12-05 → 2026-12-07Southwest AirlinesWN3682 / WN421$305.002026-10-29T02:05:51Z
2026-12-05 → 2026-12-07Alaska AirlinesAS3292 / AS3293$310.002026-10-29T02:05:51Z
2026-12-05 → 2026-12-07Southwest AirlinesWN1409 + WN431 / WN421$312.502026-10-29T02:05:51Z
2026-12-05 → 2026-12-07Alaska AirlinesAS2089 + AA1805 / AS3293$330.002026-10-29T02:05:51Z
2026-12-05 → 2026-12-07Alaska AirlinesAS400 + AA3885 / AS3293$330.002026-10-29T02:05:51Z
2026-12-05 → 2026-12-07United AirlinesUA1980 + UA1711 / UA357 + UA1365$340.002026-10-29T02:05:51Z

2026-12-05 → 2026-12-07 · $305.00

  • Southwest Airlines WN3531: SAN 2026-12-05 16:50:00 → AUS 2026-12-05 21:35:00; nonstop; 165 minutes. Local airport times.
  • Southwest Airlines WN421: AUS 2026-12-07 12:40:00 → SAN 2026-12-07 13:40:00; nonstop; 180 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $310.00

  • Alaska Airlines AS3489: SAN 2026-12-05 07:46:00 → AUS 2026-12-05 12:56:00; nonstop; 190 minutes. Local airport times.
  • Alaska Airlines AS3293: AUS 2026-12-07 06:00:00 → SAN 2026-12-07 07:26:00; nonstop; 206 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $330.00

  • American Airlines AA1950 / AA1805: SAN 2026-12-05 16:30:00 → AUS 2026-12-06 00:14:00; 1 stop(s) via PHX; 344 minutes. Local airport times.
    • AA1950: SAN 2026-12-05 16:30:00 → PHX 2026-12-05 18:59:00; layover at PHX: 122 minutes.
    • AA1805: PHX 2026-12-05 21:01:00 → AUS 2026-12-06 00:14:00.
  • American Airlines AA1421 / AA473: AUS 2026-12-07 18:02:00 → SAN 2026-12-07 21:48:00; 1 stop(s) via PHX; 346 minutes. Local airport times.
    • AA1421: AUS 2026-12-07 18:02:00 → PHX 2026-12-07 19:40:00; layover at PHX: 107 minutes.
    • AA473: PHX 2026-12-07 21:27:00 → SAN 2026-12-07 21:48:00.

2026-12-05 → 2026-12-07 · $340.00

  • United Airlines UA660 / UA1001: SAN 2026-12-05 14:30:00 → AUS 2026-12-05 21:56:00; 1 stop(s) via LAX; 326 minutes. Local airport times.
    • UA660: SAN 2026-12-05 14:30:00 → LAX 2026-12-05 15:35:00; layover at LAX: 80 minutes.
    • UA1001: LAX 2026-12-05 16:55:00 → AUS 2026-12-05 21:56:00.
  • United Airlines UA357 / UA1365: AUS 2026-12-07 07:07:00 → SAN 2026-12-07 11:15:00; 1 stop(s) via LAX; 368 minutes. Local airport times.
    • UA357: AUS 2026-12-07 07:07:00 → LAX 2026-12-07 08:35:00; layover at LAX: 100 minutes.
    • UA1365: LAX 2026-12-07 10:15:00 → SAN 2026-12-07 11:15:00.

2026-12-05 → 2026-12-07 · $305.00

  • Southwest Airlines WN3682: SAN 2026-12-05 20:45:00 → AUS 2026-12-06 01:40:00; nonstop; 175 minutes. Local airport times.
  • Southwest Airlines WN421: AUS 2026-12-07 12:40:00 → SAN 2026-12-07 13:40:00; nonstop; 180 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $310.00

  • Alaska Airlines AS3292: SAN 2026-12-05 17:19:00 → AUS 2026-12-05 22:29:00; nonstop; 190 minutes. Local airport times.
  • Alaska Airlines AS3293: AUS 2026-12-07 06:00:00 → SAN 2026-12-07 07:26:00; nonstop; 206 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $312.50

  • Southwest Airlines WN1409 / WN431: SAN 2026-12-05 18:20:00 → AUS 2026-12-06 01:25:00; 1 stop(s) via LAS; 305 minutes. Local airport times.
    • WN1409: SAN 2026-12-05 18:20:00 → LAS 2026-12-05 19:40:00; layover at LAS: 65 minutes.
    • WN431: LAS 2026-12-05 20:45:00 → AUS 2026-12-06 01:25:00.
  • Southwest Airlines WN421: AUS 2026-12-07 12:40:00 → SAN 2026-12-07 13:40:00; nonstop; 180 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $330.00

  • Alaska Airlines AS2089 / AA1805: SAN 2026-12-05 17:19:00 → AUS 2026-12-05 23:59:00; 1 stop(s) via PHX; 280 minutes. Local airport times.
    • AS2089: SAN 2026-12-05 17:19:00 → PHX 2026-12-05 19:40:00; layover at PHX: 62 minutes.
    • AA1805: PHX 2026-12-05 20:42:00 → AUS 2026-12-05 23:59:00.
  • Alaska Airlines AS3293: AUS 2026-12-07 06:00:00 → SAN 2026-12-07 07:26:00; nonstop; 206 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $330.00

  • Alaska Airlines AS400 / AA3885: SAN 2026-12-05 07:00:00 → AUS 2026-12-05 14:15:00; 1 stop(s) via DFW; 315 minutes. Local airport times.
    • AS400: SAN 2026-12-05 07:00:00 → DFW 2026-12-05 12:03:00; layover at DFW: 67 minutes.
    • AA3885: DFW 2026-12-05 13:10:00 → AUS 2026-12-05 14:15:00.
  • Alaska Airlines AS3293: AUS 2026-12-07 06:00:00 → SAN 2026-12-07 07:26:00; nonstop; 206 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $340.00

  • United Airlines UA1980 / UA1711: SAN 2026-12-05 10:20:00 → AUS 2026-12-05 17:51:00; 1 stop(s) via IAH; 331 minutes. Local airport times.
    • UA1980: SAN 2026-12-05 10:20:00 → IAH 2026-12-05 15:34:00; layover at IAH: 71 minutes.
    • UA1711: IAH 2026-12-05 16:45:00 → AUS 2026-12-05 17:51:00.
  • United Airlines UA357 / UA1365: AUS 2026-12-07 07:07:00 → SAN 2026-12-07 11:15:00; 1 stop(s) via LAX; 368 minutes. Local airport times.
    • UA357: AUS 2026-12-07 07:07:00 → LAX 2026-12-07 08:35:00; layover at LAX: 100 minutes.
    • UA1365: LAX 2026-12-07 10:15:00 → SAN 2026-12-07 11:15:00.

Explore this route

For AI assistants

  • This page: San Diego (SAN) to Austin (AUS) · Dec 5, 2026 · return Dec 7, 2026: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel San Diego to Austin (AUS) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.