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Route overview: Houston to Sydney (SYD) flight deals

Houston → Sydney

Dec 23, 2026 · choose your return date

IAH → SYD1 adulteconomyOne way and round trips

30 flight options · 3 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.

December 2026

Dec 23, 2026 · One wayAmerican AirlinesUp to 1 stop each way$1274.00 Dec 23, 2026 · One wayUnited AirlinesNonstop$1482.00 Dec 23, 2026 – Dec 26, 2026 · 3 nightsDelta Air LinesUp to 1 stop each way$2028.00 Dec 23, 2026 – Dec 26, 2026 · 3 nightsUnited AirlinesNonstop$2314.00 Dec 23, 2026 – Dec 27, 2026 · 4 nightsDelta Air LinesUp to 1 stop each way$2028.00 Dec 23, 2026 – Dec 27, 2026 · 4 nightsUnited AirlinesNonstop$2314.00 Dec 23, 2026 – Dec 28, 2026 · 5 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1969.50 Dec 23, 2026 – Dec 28, 2026 · 5 nightsDelta Air LinesUp to 1 stop each way$2028.00 Dec 23, 2026 – Dec 29, 2026 · 6 nightsDelta Air LinesUp to 1 stop each way$2028.00 Dec 23, 2026 – Dec 29, 2026 · 6 nightsUnited AirlinesNonstop$2314.00 Dec 23, 2026 – Dec 30, 2026 · 7 nightsDelta Air LinesUp to 1 stop each way$2028.00 Dec 23, 2026 – Dec 30, 2026 · 7 nightsUnited AirlinesNonstop$2314.00 Dec 23, 2026 – Dec 31, 2026 · 8 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1969.50 Dec 23, 2026 – Dec 31, 2026 · 8 nightsDelta Air LinesUp to 1 stop each way$2028.00 Dec 23, 2026 – Jan 1, 2027 · 9 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1894.00 Dec 23, 2026 – Jan 1, 2027 · 9 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 23, 2026 – Jan 2, 2027 · 10 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 23, 2026 – Jan 2, 2027 · 10 nightsUnited AirlinesNonstop$2225.00 Dec 23, 2026 – Jan 3, 2027 · 11 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 23, 2026 – Jan 3, 2027 · 11 nightsUnited AirlinesNonstop$2225.00 Dec 23, 2026 – Jan 4, 2027 · 12 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1894.00 Dec 23, 2026 – Jan 4, 2027 · 12 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 23, 2026 – Jan 5, 2027 · 13 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 23, 2026 – Jan 5, 2027 · 13 nightsUnited AirlinesNonstop$2225.00 Dec 23, 2026 – Jan 6, 2027 · 14 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 23, 2026 – Jan 6, 2027 · 14 nightsUnited AirlinesNonstop$2225.00 Dec 23, 2026 – Jan 13, 2027 · 21 nightsDelta Air LinesUp to 1 stop each way$1794.00 Dec 23, 2026 – Jan 13, 2027 · 21 nightsUnited AirlinesNonstop$2047.00 Dec 23, 2026 – Jan 20, 2027 · 28 nightsDelta Air LinesUp to 1 stop each way$1794.00 Dec 23, 2026 – Jan 20, 2027 · 28 nightsUnited AirlinesNonstop$2047.00

Flights for your trip

  1. Wed, Dec 23 · One way

    American Airlines
    3:19 pmIAH
    22h 6m
    LAX · 3h 5m
    6:25 am+2SYD

    One-way total · 1 adult · Taxes included

  2. Wed, Dec 23 · One way

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD

    One-way total · 1 adult · Taxes included

  3. Wed, Dec 23 – Sat, Dec 26

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  4. Wed, Dec 23 – Sat, Dec 26

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:10 amSYD
    15h 40m
    Nonstop
    7:50 amIAH

    Round-trip total · 1 adult · Taxes included

  5. Wed, Dec 23 – Sun, Dec 27

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  6. Wed, Dec 23 – Sun, Dec 27

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:15 amSYD
    15h 40m
    Nonstop
    7:55 amIAH

    Round-trip total · 1 adult · Taxes included

  7. Wed, Dec 23 – Mon, Dec 28

    American Airlines
    3:19 pmIAH
    22h 6m
    LAX · 3h 5m
    6:25 am+2SYD
    United Airlines
    11:20 amSYD
    19h 15m
    LAX · 2h 10m
    1:35 pmIAH

    Round-trip total · 1 adult · Taxes included

  8. Wed, Dec 23 – Mon, Dec 28

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  9. Wed, Dec 23 – Tue, Dec 29

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  10. Wed, Dec 23 – Tue, Dec 29

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:15 amSYD
    15h 40m
    Nonstop
    7:55 amIAH

    Round-trip total · 1 adult · Taxes included

  11. Wed, Dec 23 – Thu, Dec 31

    American Airlines
    3:19 pmIAH
    22h 6m
    LAX · 3h 5m
    6:25 am+2SYD
    United Airlines
    11:20 amSYD
    19h 15m
    LAX · 2h 10m
    1:35 pmIAH

    Round-trip total · 1 adult · Taxes included

  12. Wed, Dec 23 – Thu, Dec 31

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  13. Wed, Dec 23 – Fri, Jan 1

    American Airlines
    3:19 pmIAH
    22h 6m
    LAX · 3h 5m
    6:25 am+2SYD
    United Airlines
    11:20 amSYD
    19h 15m
    LAX · 2h 10m
    1:35 pmIAH

    Round-trip total · 1 adult · Taxes included

  14. Wed, Dec 23 – Fri, Jan 1

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  15. Wed, Dec 23 – Sat, Jan 2

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  16. Wed, Dec 23 – Sat, Jan 2

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:10 amSYD
    15h 40m
    Nonstop
    7:50 amIAH

    Round-trip total · 1 adult · Taxes included

  17. Wed, Dec 23 – Mon, Jan 4

    American Airlines
    3:19 pmIAH
    22h 6m
    LAX · 3h 5m
    6:25 am+2SYD
    United Airlines
    11:20 amSYD
    19h 15m
    LAX · 2h 10m
    1:35 pmIAH

    Round-trip total · 1 adult · Taxes included

  18. Wed, Dec 23 – Mon, Jan 4

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  19. Wed, Dec 23 – Tue, Jan 5

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  20. Wed, Dec 23 – Tue, Jan 5

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:15 amSYD
    15h 40m
    Nonstop
    7:55 amIAH

    Round-trip total · 1 adult · Taxes included

  21. Wed, Dec 23 – Wed, Jan 6

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  22. Wed, Dec 23 – Wed, Jan 6

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:15 amSYD
    15h 40m
    Nonstop
    7:55 amIAH

    Round-trip total · 1 adult · Taxes included

  23. Wed, Dec 23 – Wed, Jan 20

    Delta Air Lines
    4:15 pmIAH
    21h 35m
    LAX · 2h 43m
    6:50 am+2SYD
    Delta Air Lines
    10:40 amSYD
    21h 5m
    LAX · 3h 49m
    2:45 pmIAH

    Round-trip total · 1 adult · Taxes included

  24. Wed, Dec 23 – Wed, Jan 20

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:15 amSYD
    15h 40m
    Nonstop
    7:55 amIAH

    Round-trip total · 1 adult · Taxes included

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IAH ⇄ SYD

Economy

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Explore this route

All dates for this routeDec 22, 2026 · Return optionsDec 24, 2026 · Return optionsHotels in Sydney with Axel
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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)
2026-12-23 · one wayUnited AirlinesUA101Axel-exclusive $1482.002026-10-29T01:12:09Z
2026-12-23 · one wayAmerican AirlinesAA6297 + QF12Axel-exclusive $1274.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-26United AirlinesUA101 / UA100Axel-exclusive $2314.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-26Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $2028.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-27United AirlinesUA101 / UA100Axel-exclusive $2314.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-27Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $2028.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-28American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1969.502026-10-29T01:12:09Z
2026-12-23 → 2026-12-28Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $2028.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-29United AirlinesUA101 / UA100Axel-exclusive $2314.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-29Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $2028.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-30United AirlinesUA101 / UA100Axel-exclusive $2314.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-30Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $2028.002026-10-29T01:12:09Z
2026-12-23 → 2026-12-31American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1969.502026-10-29T01:12:09Z
2026-12-23 → 2026-12-31Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $2028.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-01American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1894.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-01Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-02United AirlinesUA101 / UA100Axel-exclusive $2225.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-02Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-03United AirlinesUA101 / UA100Axel-exclusive $2225.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-03Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-04American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1894.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-04Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-05United AirlinesUA101 / UA100Axel-exclusive $2225.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-05Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-06United AirlinesUA101 / UA100Axel-exclusive $2225.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-06Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-13United AirlinesUA101 / UA100Axel-exclusive $2047.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-13Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1794.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-20United AirlinesUA101 / UA100Axel-exclusive $2047.002026-10-29T01:12:09Z
2026-12-23 → 2027-01-20Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1794.002026-10-29T01:12:09Z

Route overview: Houston to Sydney (SYD) flight deals

2026-12-23 · one way · Axel-exclusive $1274.00

  • American Airlines AA6297 / QF12: IAH 2026-12-23 15:19:00 → SYD 2026-12-25 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-23 15:19:00 → LAX 2026-12-23 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-23 20:25:00 → SYD 2026-12-25 06:25:00.

2026-12-23 · one way · Axel-exclusive $1482.00

  • United Airlines UA101: IAH 2026-12-23 20:25:00 → SYD 2026-12-25 07:00:00; nonstop; 1055 minutes. Local airport times.

2026-12-23 → 2026-12-26 · Axel-exclusive $2028.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2026-12-26 10:40:00 → IAH 2026-12-26 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2026-12-26 10:40:00 → LAX 2026-12-26 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2026-12-26 09:24:00 → IAH 2026-12-26 14:45:00.

2026-12-23 → 2026-12-26 · Axel-exclusive $2314.00

  • United Airlines UA101: IAH 2026-12-23 20:25:00 → SYD 2026-12-25 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2026-12-26 09:10:00 → IAH 2026-12-26 07:50:00; nonstop; 940 minutes. Local airport times.

2026-12-23 → 2026-12-27 · Axel-exclusive $2028.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2026-12-27 10:40:00 → IAH 2026-12-27 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2026-12-27 10:40:00 → LAX 2026-12-27 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2026-12-27 09:24:00 → IAH 2026-12-27 14:45:00.

2026-12-23 → 2026-12-27 · Axel-exclusive $2314.00

  • United Airlines UA101: IAH 2026-12-23 20:25:00 → SYD 2026-12-25 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2026-12-27 09:15:00 → IAH 2026-12-27 07:55:00; nonstop; 940 minutes. Local airport times.

2026-12-23 → 2026-12-28 · Axel-exclusive $1969.50

  • American Airlines AA6297 / QF12: IAH 2026-12-23 15:19:00 → SYD 2026-12-25 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-23 15:19:00 → LAX 2026-12-23 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-23 20:25:00 → SYD 2026-12-25 06:25:00.
  • United Airlines UA842 / UA1416: SYD 2026-12-28 11:20:00 → IAH 2026-12-28 13:35:00; 1 stop(s) via LAX; 1155 minutes. Local airport times.
    • UA842: SYD 2026-12-28 11:20:00 → LAX 2026-12-28 06:05:00; layover at LAX: 130 minutes.
    • UA1416: LAX 2026-12-28 08:15:00 → IAH 2026-12-28 13:35:00.

2026-12-23 → 2026-12-28 · Axel-exclusive $2028.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2026-12-28 10:40:00 → IAH 2026-12-28 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2026-12-28 10:40:00 → LAX 2026-12-28 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2026-12-28 09:24:00 → IAH 2026-12-28 14:45:00.

2026-12-23 → 2026-12-29 · Axel-exclusive $2028.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2026-12-29 10:40:00 → IAH 2026-12-29 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2026-12-29 10:40:00 → LAX 2026-12-29 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2026-12-29 09:24:00 → IAH 2026-12-29 14:45:00.

2026-12-23 → 2026-12-29 · Axel-exclusive $2314.00

  • United Airlines UA101: IAH 2026-12-23 20:25:00 → SYD 2026-12-25 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2026-12-29 09:15:00 → IAH 2026-12-29 07:55:00; nonstop; 940 minutes. Local airport times.

2026-12-23 → 2026-12-31 · Axel-exclusive $1969.50

  • American Airlines AA6297 / QF12: IAH 2026-12-23 15:19:00 → SYD 2026-12-25 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-23 15:19:00 → LAX 2026-12-23 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-23 20:25:00 → SYD 2026-12-25 06:25:00.
  • United Airlines UA842 / UA1416: SYD 2026-12-31 11:20:00 → IAH 2026-12-31 13:35:00; 1 stop(s) via LAX; 1155 minutes. Local airport times.
    • UA842: SYD 2026-12-31 11:20:00 → LAX 2026-12-31 06:05:00; layover at LAX: 130 minutes.
    • UA1416: LAX 2026-12-31 08:15:00 → IAH 2026-12-31 13:35:00.

2026-12-23 → 2026-12-31 · Axel-exclusive $2028.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2026-12-31 10:40:00 → IAH 2026-12-31 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2026-12-31 10:40:00 → LAX 2026-12-31 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2026-12-31 09:24:00 → IAH 2026-12-31 14:45:00.

2026-12-23 → 2027-01-01 · Axel-exclusive $1894.00

  • American Airlines AA6297 / QF12: IAH 2026-12-23 15:19:00 → SYD 2026-12-25 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-23 15:19:00 → LAX 2026-12-23 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-23 20:25:00 → SYD 2026-12-25 06:25:00.
  • United Airlines UA842 / UA1416: SYD 2027-01-01 11:20:00 → IAH 2027-01-01 13:35:00; 1 stop(s) via LAX; 1155 minutes. Local airport times.
    • UA842: SYD 2027-01-01 11:20:00 → LAX 2027-01-01 06:05:00; layover at LAX: 130 minutes.
    • UA1416: LAX 2027-01-01 08:15:00 → IAH 2027-01-01 13:35:00.

2026-12-23 → 2027-01-01 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-01 10:40:00 → IAH 2027-01-01 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-01 10:40:00 → LAX 2027-01-01 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-01 09:24:00 → IAH 2027-01-01 14:45:00.

2026-12-23 → 2027-01-02 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-02 10:40:00 → IAH 2027-01-02 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-02 10:40:00 → LAX 2027-01-02 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-02 09:24:00 → IAH 2027-01-02 14:45:00.

2026-12-23 → 2027-01-02 · Axel-exclusive $2225.00

  • United Airlines UA101: IAH 2026-12-23 20:25:00 → SYD 2026-12-25 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-02 09:10:00 → IAH 2027-01-02 07:50:00; nonstop; 940 minutes. Local airport times.

2026-12-23 → 2027-01-04 · Axel-exclusive $1894.00

  • American Airlines AA6297 / QF12: IAH 2026-12-23 15:19:00 → SYD 2026-12-25 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-23 15:19:00 → LAX 2026-12-23 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-23 20:25:00 → SYD 2026-12-25 06:25:00.
  • United Airlines UA842 / UA1416: SYD 2027-01-04 11:20:00 → IAH 2027-01-04 13:35:00; 1 stop(s) via LAX; 1155 minutes. Local airport times.
    • UA842: SYD 2027-01-04 11:20:00 → LAX 2027-01-04 06:05:00; layover at LAX: 130 minutes.
    • UA1416: LAX 2027-01-04 08:15:00 → IAH 2027-01-04 13:35:00.

2026-12-23 → 2027-01-04 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-04 10:40:00 → IAH 2027-01-04 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-04 10:40:00 → LAX 2027-01-04 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-04 09:24:00 → IAH 2027-01-04 14:45:00.

2026-12-23 → 2027-01-05 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-05 10:40:00 → IAH 2027-01-05 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-05 10:40:00 → LAX 2027-01-05 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-05 09:24:00 → IAH 2027-01-05 14:45:00.

2026-12-23 → 2027-01-05 · Axel-exclusive $2225.00

  • United Airlines UA101: IAH 2026-12-23 20:25:00 → SYD 2026-12-25 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-05 09:15:00 → IAH 2027-01-05 07:55:00; nonstop; 940 minutes. Local airport times.

2026-12-23 → 2027-01-06 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-06 10:40:00 → IAH 2027-01-06 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-06 10:40:00 → LAX 2027-01-06 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-06 09:24:00 → IAH 2027-01-06 14:45:00.

2026-12-23 → 2027-01-06 · Axel-exclusive $2225.00

  • United Airlines UA101: IAH 2026-12-23 20:25:00 → SYD 2026-12-25 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-06 09:15:00 → IAH 2027-01-06 07:55:00; nonstop; 940 minutes. Local airport times.

2026-12-23 → 2027-01-20 · Axel-exclusive $1794.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-23 16:15:00 → SYD 2026-12-25 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-23 16:15:00 → LAX 2026-12-23 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-23 20:45:00 → SYD 2026-12-25 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-20 10:40:00 → IAH 2027-01-20 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-20 10:40:00 → LAX 2027-01-20 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-20 09:24:00 → IAH 2027-01-20 14:45:00.

2026-12-23 → 2027-01-20 · Axel-exclusive $2047.00

  • United Airlines UA101: IAH 2026-12-23 20:25:00 → SYD 2026-12-25 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-20 09:15:00 → IAH 2027-01-20 07:55:00; nonstop; 940 minutes. Local airport times.

Explore this route

For AI assistants

  • This page: Houston (IAH) to Sydney (SYD) · Dec 23, 2026 · 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 Houston to Sydney (SYD) 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.