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Route overview: Houston to Sydney (SYD) flight deals

Houston → Sydney

Dec 31, 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 31, 2026 · One wayAmerican AirlinesUp to 1 stop each way$1274.00 Dec 31, 2026 · One wayUnited AirlinesNonstop$1482.00 Dec 31, 2026 – Jan 3, 2027 · 3 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 31, 2026 – Jan 3, 2027 · 3 nightsUnited AirlinesNonstop$2225.00 Dec 31, 2026 – Jan 4, 2027 · 4 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1894.00 Dec 31, 2026 – Jan 4, 2027 · 4 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 31, 2026 – Jan 5, 2027 · 5 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 31, 2026 – Jan 5, 2027 · 5 nightsUnited AirlinesNonstop$2225.00 Dec 31, 2026 – Jan 6, 2027 · 6 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 31, 2026 – Jan 6, 2027 · 6 nightsUnited AirlinesNonstop$2225.00 Dec 31, 2026 – Jan 7, 2027 · 7 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1894.00 Dec 31, 2026 – Jan 7, 2027 · 7 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 31, 2026 – Jan 8, 2027 · 8 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1894.00 Dec 31, 2026 – Jan 8, 2027 · 8 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 31, 2026 – Jan 9, 2027 · 9 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 31, 2026 – Jan 9, 2027 · 9 nightsUnited AirlinesNonstop$2225.00 Dec 31, 2026 – Jan 10, 2027 · 10 nightsDelta Air LinesUp to 1 stop each way$1950.00 Dec 31, 2026 – Jan 10, 2027 · 10 nightsUnited AirlinesNonstop$2225.00 Dec 31, 2026 – Jan 11, 2027 · 11 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1743.00 Dec 31, 2026 – Jan 11, 2027 · 11 nightsDelta Air LinesUp to 1 stop each way$1794.00 Dec 31, 2026 – Jan 12, 2027 · 12 nightsDelta Air LinesUp to 1 stop each way$1794.00 Dec 31, 2026 – Jan 12, 2027 · 12 nightsUnited AirlinesNonstop$2047.00 Dec 31, 2026 – Jan 13, 2027 · 13 nightsDelta Air LinesUp to 1 stop each way$1794.00 Dec 31, 2026 – Jan 13, 2027 · 13 nightsUnited AirlinesNonstop$2047.00 Dec 31, 2026 – Jan 14, 2027 · 14 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1743.00 Dec 31, 2026 – Jan 14, 2027 · 14 nightsDelta Air LinesUp to 1 stop each way$1794.00 Dec 31, 2026 – Jan 21, 2027 · 21 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1743.00 Dec 31, 2026 – Jan 21, 2027 · 21 nightsDelta Air LinesUp to 1 stop each way$1794.00 Dec 31, 2026 – Jan 28, 2027 · 28 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1743.00 Dec 31, 2026 – Jan 28, 2027 · 28 nightsDelta Air LinesUp to 1 stop each way$1794.00

Flights for your trip

  1. Thu, Dec 31 · One way

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

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  2. Thu, Dec 31 · One way

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

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  3. Thu, Dec 31 – Sun, Jan 3

    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

    Availability is checked when you select these flights.

  4. Thu, Dec 31 – Sun, Jan 3

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:20 amSYD
    15h 40m
    Nonstop
    8:00 amIAH

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  5. Thu, Dec 31 – 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

    Availability is checked when you select these flights.

  6. Thu, Dec 31 – 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

    Availability is checked when you select these flights.

  7. Thu, Dec 31 – 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

    Availability is checked when you select these flights.

  8. Thu, Dec 31 – Tue, Jan 5

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:20 amSYD
    15h 40m
    Nonstop
    8:00 amIAH

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  9. Thu, Dec 31 – 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

    Availability is checked when you select these flights.

  10. Thu, Dec 31 – 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

    Availability is checked when you select these flights.

  11. Thu, Dec 31 – Fri, Jan 8

    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

    Availability is checked when you select these flights.

  12. Thu, Dec 31 – Fri, Jan 8

    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

    Availability is checked when you select these flights.

  13. Thu, Dec 31 – Sat, Jan 9

    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

    Availability is checked when you select these flights.

  14. Thu, Dec 31 – Sat, Jan 9

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:20 amSYD
    15h 40m
    Nonstop
    8:00 amIAH

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  15. Thu, Dec 31 – Sun, Jan 10

    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

    Availability is checked when you select these flights.

  16. Thu, Dec 31 – Sun, Jan 10

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:20 amSYD
    15h 40m
    Nonstop
    8:00 amIAH

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  17. Thu, Dec 31 – Tue, Jan 12

    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

    Availability is checked when you select these flights.

  18. Thu, Dec 31 – Tue, Jan 12

    United Airlines
    8:25 pmIAH
    17h 35m
    Nonstop
    7:00 am+2SYD
    United Airlines
    9:20 amSYD
    15h 40m
    Nonstop
    8:00 amIAH

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  19. Thu, Dec 31 – Wed, Jan 13

    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

    Availability is checked when you select these flights.

  20. Thu, Dec 31 – Wed, Jan 13

    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

    Availability is checked when you select these flights.

  21. Thu, Dec 31 – Thu, Jan 14

    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

    Availability is checked when you select these flights.

  22. Thu, Dec 31 – Thu, Jan 14

    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

    Availability is checked when you select these flights.

  23. Thu, Dec 31 – Thu, Jan 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

    Availability is checked when you select these flights.

  24. Thu, Dec 31 – Thu, Jan 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

    Availability is checked when you select these flights.

Swipe to see 23 more recent deals.

1 of 24

Make this trip yours

IAH ⇄ SYD

Economy

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Explore this route

All dates for this routeDec 30, 2026 · Return optionsJan 1, 2027 · Return optionsHotels in Sydney 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)
2026-12-31 · one wayUnited AirlinesUA101Axel-exclusive $1482.002026-10-29T01:12:09Z
2026-12-31 · one wayAmerican AirlinesAA6297 + QF12Axel-exclusive $1274.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-03United AirlinesUA101 / UA100Axel-exclusive $2225.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-03Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-04American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1894.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-04Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-05United AirlinesUA101 / UA100Axel-exclusive $2225.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-05Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-06United AirlinesUA101 / UA100Axel-exclusive $2225.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-06Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-07American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1894.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-07Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-08American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1894.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-08Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-09United AirlinesUA101 / UA100Axel-exclusive $2225.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-09Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-10United AirlinesUA101 / UA100Axel-exclusive $2225.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-10Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1950.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-11American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1743.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-11Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1794.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-12United AirlinesUA101 / UA100Axel-exclusive $2047.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-12Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1794.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-13United AirlinesUA101 / UA100Axel-exclusive $2047.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-13Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1794.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-14American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1743.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-14Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1794.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-21American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1743.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-21Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1794.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-28American Airlines / United AirlinesAA6297 + QF12 / UA842 + UA1416Axel-exclusive $1743.002026-10-29T01:12:09Z
2026-12-31 → 2027-01-28Delta Air LinesDL900 + DL43 / DL40 + DL1143Axel-exclusive $1794.002026-10-29T01:12:09Z

Route overview: Houston to Sydney (SYD) flight deals

2026-12-31 · one way · Axel-exclusive $1274.00

  • American Airlines AA6297 / QF12: IAH 2026-12-31 15:19:00 → SYD 2027-01-02 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-31 15:19:00 → LAX 2026-12-31 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-31 20:25:00 → SYD 2027-01-02 06:25:00.

2026-12-31 · one way · Axel-exclusive $1482.00

  • United Airlines UA101: IAH 2026-12-31 20:25:00 → SYD 2027-01-02 07:00:00; nonstop; 1055 minutes. Local airport times.

2026-12-31 → 2027-01-03 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-03 10:40:00 → IAH 2027-01-03 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-03 10:40:00 → LAX 2027-01-03 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-03 09:24:00 → IAH 2027-01-03 14:45:00.

2026-12-31 → 2027-01-03 · Axel-exclusive $2225.00

  • United Airlines UA101: IAH 2026-12-31 20:25:00 → SYD 2027-01-02 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-03 09:20:00 → IAH 2027-01-03 08:00:00; nonstop; 940 minutes. Local airport times.

2026-12-31 → 2027-01-04 · Axel-exclusive $1894.00

  • American Airlines AA6297 / QF12: IAH 2026-12-31 15:19:00 → SYD 2027-01-02 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-31 15:19:00 → LAX 2026-12-31 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-31 20:25:00 → SYD 2027-01-02 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.

2026-12-31 → 2027-01-04 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 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.

2026-12-31 → 2027-01-05 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 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.

2026-12-31 → 2027-01-05 · Axel-exclusive $2225.00

  • United Airlines UA101: IAH 2026-12-31 20:25:00 → SYD 2027-01-02 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-05 09:20:00 → IAH 2027-01-05 08:00:00; nonstop; 940 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 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.

2026-12-31 → 2027-01-06 · Axel-exclusive $2225.00

  • United Airlines UA101: IAH 2026-12-31 20:25:00 → SYD 2027-01-02 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.

2026-12-31 → 2027-01-08 · Axel-exclusive $1894.00

  • American Airlines AA6297 / QF12: IAH 2026-12-31 15:19:00 → SYD 2027-01-02 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-31 15:19:00 → LAX 2026-12-31 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-31 20:25:00 → SYD 2027-01-02 06:25:00.
  • United Airlines UA842 / UA1416: SYD 2027-01-08 11:20:00 → IAH 2027-01-08 13:35:00; 1 stop(s) via LAX; 1155 minutes. Local airport times.
    • UA842: SYD 2027-01-08 11:20:00 → LAX 2027-01-08 06:05:00; layover at LAX: 130 minutes.
    • UA1416: LAX 2027-01-08 08:15:00 → IAH 2027-01-08 13:35:00.

2026-12-31 → 2027-01-08 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-08 10:40:00 → IAH 2027-01-08 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-08 10:40:00 → LAX 2027-01-08 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-08 09:24:00 → IAH 2027-01-08 14:45:00.

2026-12-31 → 2027-01-09 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-09 10:40:00 → IAH 2027-01-09 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-09 10:40:00 → LAX 2027-01-09 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-09 09:24:00 → IAH 2027-01-09 14:45:00.

2026-12-31 → 2027-01-09 · Axel-exclusive $2225.00

  • United Airlines UA101: IAH 2026-12-31 20:25:00 → SYD 2027-01-02 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-09 09:20:00 → IAH 2027-01-09 08:00:00; nonstop; 940 minutes. Local airport times.

2026-12-31 → 2027-01-10 · Axel-exclusive $1950.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-10 10:40:00 → IAH 2027-01-10 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-10 10:40:00 → LAX 2027-01-10 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-10 09:24:00 → IAH 2027-01-10 14:45:00.

2026-12-31 → 2027-01-10 · Axel-exclusive $2225.00

  • United Airlines UA101: IAH 2026-12-31 20:25:00 → SYD 2027-01-02 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-10 09:20:00 → IAH 2027-01-10 08:00:00; nonstop; 940 minutes. Local airport times.

2026-12-31 → 2027-01-12 · Axel-exclusive $1794.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-12 10:40:00 → IAH 2027-01-12 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-12 10:40:00 → LAX 2027-01-12 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-12 09:24:00 → IAH 2027-01-12 14:45:00.

2026-12-31 → 2027-01-12 · Axel-exclusive $2047.00

  • United Airlines UA101: IAH 2026-12-31 20:25:00 → SYD 2027-01-02 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-12 09:20:00 → IAH 2027-01-12 08:00:00; nonstop; 940 minutes. Local airport times.

2026-12-31 → 2027-01-13 · Axel-exclusive $1794.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-13 10:40:00 → IAH 2027-01-13 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-13 10:40:00 → LAX 2027-01-13 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-13 09:24:00 → IAH 2027-01-13 14:45:00.

2026-12-31 → 2027-01-13 · Axel-exclusive $2047.00

  • United Airlines UA101: IAH 2026-12-31 20:25:00 → SYD 2027-01-02 07:00:00; nonstop; 1055 minutes. Local airport times.
  • United Airlines UA100: SYD 2027-01-13 09:15:00 → IAH 2027-01-13 07:55:00; nonstop; 940 minutes. Local airport times.

2026-12-31 → 2027-01-14 · Axel-exclusive $1743.00

  • American Airlines AA6297 / QF12: IAH 2026-12-31 15:19:00 → SYD 2027-01-02 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-31 15:19:00 → LAX 2026-12-31 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-31 20:25:00 → SYD 2027-01-02 06:25:00.
  • United Airlines UA842 / UA1416: SYD 2027-01-14 11:20:00 → IAH 2027-01-14 13:35:00; 1 stop(s) via LAX; 1155 minutes. Local airport times.
    • UA842: SYD 2027-01-14 11:20:00 → LAX 2027-01-14 06:05:00; layover at LAX: 130 minutes.
    • UA1416: LAX 2027-01-14 08:15:00 → IAH 2027-01-14 13:35:00.

2026-12-31 → 2027-01-14 · Axel-exclusive $1794.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-14 10:40:00 → IAH 2027-01-14 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-14 10:40:00 → LAX 2027-01-14 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-14 09:24:00 → IAH 2027-01-14 14:45:00.

2026-12-31 → 2027-01-28 · Axel-exclusive $1743.00

  • American Airlines AA6297 / QF12: IAH 2026-12-31 15:19:00 → SYD 2027-01-02 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-31 15:19:00 → LAX 2026-12-31 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-31 20:25:00 → SYD 2027-01-02 06:25:00.
  • United Airlines UA842 / UA1416: SYD 2027-01-28 11:20:00 → IAH 2027-01-28 13:35:00; 1 stop(s) via LAX; 1155 minutes. Local airport times.
    • UA842: SYD 2027-01-28 11:20:00 → LAX 2027-01-28 06:05:00; layover at LAX: 130 minutes.
    • UA1416: LAX 2027-01-28 08:15:00 → IAH 2027-01-28 13:35:00.

2026-12-31 → 2027-01-28 · Axel-exclusive $1794.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-31 16:15:00 → SYD 2027-01-02 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-31 16:15:00 → LAX 2026-12-31 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-31 20:45:00 → SYD 2027-01-02 06:50:00.
  • Delta Air Lines DL40 / DL1143: SYD 2027-01-28 10:40:00 → IAH 2027-01-28 14:45:00; 1 stop(s) via LAX; 1265 minutes. Local airport times.
    • DL40: SYD 2027-01-28 10:40:00 → LAX 2027-01-28 05:35:00; layover at LAX: 229 minutes.
    • DL1143: LAX 2027-01-28 09:24:00 → IAH 2027-01-28 14:45:00.

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For AI assistants

  • This page: Houston (IAH) to Sydney (SYD) · Dec 31, 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. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. 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.