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Route overview: Los Angeles to Austin (AUS) flight deals

Ontario → Austin

May 29, 2027 · choose your return date

ONT → AUS1 adulteconomyOne way and round trips

30 flight options · 2 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

May 2027

May 29, 2027 · One wayFrontier AirlinesUp to 1 stop each way$149.50 May 29, 2027 · One waySouthwest AirlinesUp to 1 stop each way$212.75 May 29, 2027 – May 30, 2027 · 1 nightFrontier AirlinesUp to 1 stop each way$276.00 May 29, 2027 – May 30, 2027 · 1 nightSouthwest AirlinesUp to 1 stop each way$419.75 May 29, 2027 – May 31, 2027 · 2 nightsFrontier AirlinesUp to 1 stop each way$276.00 May 29, 2027 – May 31, 2027 · 2 nightsSouthwest AirlinesUp to 1 stop each way$419.75 May 29, 2027 – Jun 1, 2027 · 3 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 1, 2027 · 3 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 2, 2027 · 4 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 2, 2027 · 4 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 3, 2027 · 5 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 3, 2027 · 5 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 4, 2027 · 6 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 4, 2027 · 6 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 5, 2027 · 7 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 5, 2027 · 7 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 6, 2027 · 8 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 6, 2027 · 8 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 7, 2027 · 9 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 7, 2027 · 9 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 8, 2027 · 10 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 8, 2027 · 10 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 9, 2027 · 11 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 9, 2027 · 11 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 10, 2027 · 12 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 10, 2027 · 12 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 11, 2027 · 13 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 11, 2027 · 13 nightsSouthwest AirlinesUp to 1 stop each way$391.25 May 29, 2027 – Jun 12, 2027 · 14 nightsFrontier AirlinesUp to 1 stop each way$258.00 May 29, 2027 – Jun 12, 2027 · 14 nightsSouthwest AirlinesUp to 1 stop each way$391.25

Flights for your trip

  1. Sat, May 29 · One way

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS

    One-way total · 1 adult · Taxes included

  2. Sat, May 29 · One way

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS

    One-way total · 1 adult · Taxes included

  3. Sat, May 29 – Sun, May 30

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    12:38 pmAUS
    5h 43m
    LAS · 1h 23m
    4:21 pmONT

    Round-trip total · 1 adult · Taxes included

  4. Sat, May 29 – Sun, May 30

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    5:55 pmAUS
    3h 5m
    Nonstop
    7:00 pmONT

    Round-trip total · 1 adult · Taxes included

  5. Sat, May 29 – Mon, May 31

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    12:38 pmAUS
    5h 43m
    LAS · 1h 23m
    4:21 pmONT

    Round-trip total · 1 adult · Taxes included

  6. Sat, May 29 – Mon, May 31

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    5:55 pmAUS
    3h 5m
    Nonstop
    7:00 pmONT

    Round-trip total · 1 adult · Taxes included

  7. Sat, May 29 – Tue, Jun 1

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    12:38 pmAUS
    5h 43m
    LAS · 1h 23m
    4:21 pmONT

    Round-trip total · 1 adult · Taxes included

  8. Sat, May 29 – Tue, Jun 1

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    11:45 amAUS
    3h 5m
    Nonstop
    12:50 pmONT

    Round-trip total · 1 adult · Taxes included

  9. Sat, May 29 – Wed, Jun 2

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    7:44 pmAUS
    6h 29m
    DEN · 1h 35m
    12:13 am+1ONT

    Round-trip total · 1 adult · Taxes included

  10. Sat, May 29 – Wed, Jun 2

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    5:55 pmAUS
    3h 5m
    Nonstop
    7:00 pmONT

    Round-trip total · 1 adult · Taxes included

  11. Sat, May 29 – Fri, Jun 4

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    12:38 pmAUS
    5h 43m
    LAS · 1h 23m
    4:21 pmONT

    Round-trip total · 1 adult · Taxes included

  12. Sat, May 29 – Fri, Jun 4

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    5:55 pmAUS
    3h 5m
    Nonstop
    7:00 pmONT

    Round-trip total · 1 adult · Taxes included

  13. Sat, May 29 – Sat, Jun 5

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    12:38 pmAUS
    5h 43m
    LAS · 1h 23m
    4:21 pmONT

    Round-trip total · 1 adult · Taxes included

  14. Sat, May 29 – Sat, Jun 5

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    7:50 pmAUS
    3h 5m
    Nonstop
    8:55 pmONT

    Round-trip total · 1 adult · Taxes included

  15. Sat, May 29 – Sun, Jun 6

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    12:38 pmAUS
    5h 43m
    LAS · 1h 23m
    4:21 pmONT

    Round-trip total · 1 adult · Taxes included

  16. Sat, May 29 – Sun, Jun 6

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    5:55 pmAUS
    3h 5m
    Nonstop
    7:00 pmONT

    Round-trip total · 1 adult · Taxes included

  17. Sat, May 29 – Tue, Jun 8

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    12:38 pmAUS
    5h 43m
    LAS · 1h 23m
    4:21 pmONT

    Round-trip total · 1 adult · Taxes included

  18. Sat, May 29 – Tue, Jun 8

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    11:45 amAUS
    3h 5m
    Nonstop
    12:50 pmONT

    Round-trip total · 1 adult · Taxes included

  19. Sat, May 29 – Wed, Jun 9

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    7:44 pmAUS
    6h 29m
    DEN · 1h 35m
    12:13 am+1ONT

    Round-trip total · 1 adult · Taxes included

  20. Sat, May 29 – Wed, Jun 9

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    5:55 pmAUS
    3h 5m
    Nonstop
    7:00 pmONT

    Round-trip total · 1 adult · Taxes included

  21. Sat, May 29 – Thu, Jun 10

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    12:38 pmAUS
    5h 43m
    LAS · 1h 23m
    4:21 pmONT

    Round-trip total · 1 adult · Taxes included

  22. Sat, May 29 – Thu, Jun 10

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    5:55 pmAUS
    3h 5m
    Nonstop
    7:00 pmONT

    Round-trip total · 1 adult · Taxes included

  23. Sat, May 29 – Sat, Jun 12

    Frontier Airlines
    11:52 amONT
    5h 34m
    DEN · 1h 1m
    7:26 pmAUS
    Frontier Airlines
    12:38 pmAUS
    5h 43m
    LAS · 1h 23m
    4:21 pmONT

    Round-trip total · 1 adult · Taxes included

  24. Sat, May 29 – Sat, Jun 12

    Southwest Airlines
    8:45 amONT
    5h 20m
    DEN · 1h 5m
    4:05 pmAUS
    Southwest Airlines
    7:50 pmAUS
    3h 5m
    Nonstop
    8:55 pmONT

    Round-trip total · 1 adult · Taxes included

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ONT ⇄ AUS

Economy

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Explore this route

All dates for this routeMay 28, 2027 · Return optionsMay 30, 2027 · Return optionsHotels in Austin with Axel
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.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown. To book or select flights, follow that row's price link; it keeps the exact dates and travelers.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-05-29 · one wayFrontier AirlinesF91262 + F91816Axel-exclusive $149.502026-10-29T01:52:33Z
2027-05-29 · one waySouthwest AirlinesWN3301 + WN1669Axel-exclusive $212.752026-10-29T01:52:33Z
2027-05-29 → 2027-05-30Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $276.002026-10-29T01:52:33Z
2027-05-29 → 2027-05-30Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $419.752026-10-29T01:52:33Z
2027-05-29 → 2027-05-31Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $276.002026-10-29T01:52:33Z
2027-05-29 → 2027-05-31Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $419.752026-10-29T01:52:33Z
2027-05-29 → 2027-06-01Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-01Southwest AirlinesWN3301 + WN1669 / WN839Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-02Frontier AirlinesF91262 + F91816 / F91859 + F91261Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-02Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-03Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-03Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-04Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-04Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-05Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-05Southwest AirlinesWN3301 + WN1669 / WN114Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-06Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-06Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-07Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-07Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-08Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-08Southwest AirlinesWN3301 + WN1669 / WN839Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-09Frontier AirlinesF91262 + F91816 / F91859 + F91261Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-09Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-10Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-10Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-11Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-11Southwest AirlinesWN3301 + WN1669 / WN400Axel-exclusive $391.252026-10-29T01:52:33Z
2027-05-29 → 2027-06-12Frontier AirlinesF91262 + F91816 / F93645 + F91923Axel-exclusive $258.002026-10-29T01:52:33Z
2027-05-29 → 2027-06-12Southwest AirlinesWN3301 + WN1669 / WN114Axel-exclusive $391.252026-10-29T01:52:33Z

Route overview: Los Angeles to Austin (AUS) flight deals

2027-05-29 · one way · Axel-exclusive $149.50

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.

2027-05-29 · one way · Axel-exclusive $212.75

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.

2027-05-29 → 2027-05-30 · Axel-exclusive $276.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F93645 / F91923: AUS 2027-05-30 12:38:00 → ONT 2027-05-30 16:21:00; 1 stop(s) via LAS; 343 minutes. Local airport times.
    • F93645: AUS 2027-05-30 12:38:00 → LAS 2027-05-30 13:50:00; layover at LAS: 83 minutes.
    • F91923: LAS 2027-05-30 15:13:00 → ONT 2027-05-30 16:21:00.

2027-05-29 → 2027-05-30 · Axel-exclusive $419.75

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN400: AUS 2027-05-30 17:55:00 → ONT 2027-05-30 19:00:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-05-31 · Axel-exclusive $276.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F93645 / F91923: AUS 2027-05-31 12:38:00 → ONT 2027-05-31 16:21:00; 1 stop(s) via LAS; 343 minutes. Local airport times.
    • F93645: AUS 2027-05-31 12:38:00 → LAS 2027-05-31 13:50:00; layover at LAS: 83 minutes.
    • F91923: LAS 2027-05-31 15:13:00 → ONT 2027-05-31 16:21:00.

2027-05-29 → 2027-05-31 · Axel-exclusive $419.75

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN400: AUS 2027-05-31 17:55:00 → ONT 2027-05-31 19:00:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-06-01 · Axel-exclusive $258.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F93645 / F91923: AUS 2027-06-01 12:38:00 → ONT 2027-06-01 16:21:00; 1 stop(s) via LAS; 343 minutes. Local airport times.
    • F93645: AUS 2027-06-01 12:38:00 → LAS 2027-06-01 13:50:00; layover at LAS: 83 minutes.
    • F91923: LAS 2027-06-01 15:13:00 → ONT 2027-06-01 16:21:00.

2027-05-29 → 2027-06-01 · Axel-exclusive $391.25

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN839: AUS 2027-06-01 11:45:00 → ONT 2027-06-01 12:50:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-06-02 · Axel-exclusive $258.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F91859 / F91261: AUS 2027-06-02 19:44:00 → ONT 2027-06-03 00:13:00; 1 stop(s) via DEN; 389 minutes. Local airport times.
    • F91859: AUS 2027-06-02 19:44:00 → DEN 2027-06-02 21:13:00; layover at DEN: 95 minutes.
    • F91261: DEN 2027-06-02 22:48:00 → ONT 2027-06-03 00:13:00.

2027-05-29 → 2027-06-02 · Axel-exclusive $391.25

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN400: AUS 2027-06-02 17:55:00 → ONT 2027-06-02 19:00:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-06-04 · Axel-exclusive $258.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F93645 / F91923: AUS 2027-06-04 12:38:00 → ONT 2027-06-04 16:21:00; 1 stop(s) via LAS; 343 minutes. Local airport times.
    • F93645: AUS 2027-06-04 12:38:00 → LAS 2027-06-04 13:50:00; layover at LAS: 83 minutes.
    • F91923: LAS 2027-06-04 15:13:00 → ONT 2027-06-04 16:21:00.

2027-05-29 → 2027-06-04 · Axel-exclusive $391.25

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN400: AUS 2027-06-04 17:55:00 → ONT 2027-06-04 19:00:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-06-05 · Axel-exclusive $258.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F93645 / F91923: AUS 2027-06-05 12:38:00 → ONT 2027-06-05 16:21:00; 1 stop(s) via LAS; 343 minutes. Local airport times.
    • F93645: AUS 2027-06-05 12:38:00 → LAS 2027-06-05 13:50:00; layover at LAS: 83 minutes.
    • F91923: LAS 2027-06-05 15:13:00 → ONT 2027-06-05 16:21:00.

2027-05-29 → 2027-06-05 · Axel-exclusive $391.25

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN114: AUS 2027-06-05 19:50:00 → ONT 2027-06-05 20:55:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-06-06 · Axel-exclusive $258.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F93645 / F91923: AUS 2027-06-06 12:38:00 → ONT 2027-06-06 16:21:00; 1 stop(s) via LAS; 343 minutes. Local airport times.
    • F93645: AUS 2027-06-06 12:38:00 → LAS 2027-06-06 13:50:00; layover at LAS: 83 minutes.
    • F91923: LAS 2027-06-06 15:13:00 → ONT 2027-06-06 16:21:00.

2027-05-29 → 2027-06-06 · Axel-exclusive $391.25

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN400: AUS 2027-06-06 17:55:00 → ONT 2027-06-06 19:00:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-06-08 · Axel-exclusive $258.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F93645 / F91923: AUS 2027-06-08 12:38:00 → ONT 2027-06-08 16:21:00; 1 stop(s) via LAS; 343 minutes. Local airport times.
    • F93645: AUS 2027-06-08 12:38:00 → LAS 2027-06-08 13:50:00; layover at LAS: 83 minutes.
    • F91923: LAS 2027-06-08 15:13:00 → ONT 2027-06-08 16:21:00.

2027-05-29 → 2027-06-08 · Axel-exclusive $391.25

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN839: AUS 2027-06-08 11:45:00 → ONT 2027-06-08 12:50:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-06-09 · Axel-exclusive $258.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F91859 / F91261: AUS 2027-06-09 19:44:00 → ONT 2027-06-10 00:13:00; 1 stop(s) via DEN; 389 minutes. Local airport times.
    • F91859: AUS 2027-06-09 19:44:00 → DEN 2027-06-09 21:13:00; layover at DEN: 95 minutes.
    • F91261: DEN 2027-06-09 22:48:00 → ONT 2027-06-10 00:13:00.

2027-05-29 → 2027-06-09 · Axel-exclusive $391.25

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN400: AUS 2027-06-09 17:55:00 → ONT 2027-06-09 19:00:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-06-10 · Axel-exclusive $258.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F93645 / F91923: AUS 2027-06-10 12:38:00 → ONT 2027-06-10 16:21:00; 1 stop(s) via LAS; 343 minutes. Local airport times.
    • F93645: AUS 2027-06-10 12:38:00 → LAS 2027-06-10 13:50:00; layover at LAS: 83 minutes.
    • F91923: LAS 2027-06-10 15:13:00 → ONT 2027-06-10 16:21:00.

2027-05-29 → 2027-06-10 · Axel-exclusive $391.25

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN400: AUS 2027-06-10 17:55:00 → ONT 2027-06-10 19:00:00; nonstop; 185 minutes. Local airport times.

2027-05-29 → 2027-06-12 · Axel-exclusive $258.00

  • Frontier Airlines F91262 / F91816: ONT 2027-05-29 11:52:00 → AUS 2027-05-29 19:26:00; 1 stop(s) via DEN; 334 minutes. Local airport times.
    • F91262: ONT 2027-05-29 11:52:00 → DEN 2027-05-29 15:13:00; layover at DEN: 61 minutes.
    • F91816: DEN 2027-05-29 16:14:00 → AUS 2027-05-29 19:26:00.
  • Frontier Airlines F93645 / F91923: AUS 2027-06-12 12:38:00 → ONT 2027-06-12 16:21:00; 1 stop(s) via LAS; 343 minutes. Local airport times.
    • F93645: AUS 2027-06-12 12:38:00 → LAS 2027-06-12 13:50:00; layover at LAS: 83 minutes.
    • F91923: LAS 2027-06-12 15:13:00 → ONT 2027-06-12 16:21:00.

2027-05-29 → 2027-06-12 · Axel-exclusive $391.25

  • Southwest Airlines WN3301 / WN1669: ONT 2027-05-29 08:45:00 → AUS 2027-05-29 16:05:00; 1 stop(s) via DEN; 320 minutes. Local airport times.
    • WN3301: ONT 2027-05-29 08:45:00 → DEN 2027-05-29 11:55:00; layover at DEN: 65 minutes.
    • WN1669: DEN 2027-05-29 13:00:00 → AUS 2027-05-29 16:05:00.
  • Southwest Airlines WN114: AUS 2027-06-12 19:50:00 → ONT 2027-06-12 20:55:00; nonstop; 185 minutes. Local airport times.

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For AI assistants

  • This page: Ontario (ONT) to Austin (AUS) · May 29, 2027 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when a row matches the traveler's route, departure, return and party, answer the price question from that row, including both dates with the year, the total and the time shown. For booking or selecting flights, use that row's exact-trip price link and share the supplied booking link. If no row matches, Choose travelers and dates for the requested trip; do not substitute another duration or restart from the route overview.
  • 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 Los Angeles 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.