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Route overview: Houston to Sydney (SYD) flight deals

Houston → Sydney

Dec 1, 2026 · return Dec 29, 2026

IAH → SYD1 adulteconomyRound trip

6 flight options · 5 airlines

Nonstop flights

Tue, Dec 1 – 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

One-stop flights

Tue, Dec 1 – Tue, Dec 29

Air Canada
6:10 pmIAH
22h 25m
YVR · 1h 38m
9:35 am+2SYD
Air Canada
11:20 amSYD
20h 18m
YVR · 1h 25m
2:38 pmIAH

Round-trip total · 1 adult · Taxes included

Tue, Dec 1 – 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

Tue, Dec 1 – Tue, Dec 29

Air New Zealand
7:55 pmIAH
21h 40m
AKL · 3h 15m
10:35 am+2SYD
Air New Zealand
11:55 amSYD
19h 20m
AKL · 2h 45m
2:15 pmIAH

Round-trip total · 1 adult · Taxes included

Tue, Dec 1 – Tue, Dec 29

American Airlines
3:19 pmIAH
22h 6m
LAX · 3h 5m
6:25 am+2SYD
United Airlines
9:15 amSYD
15h 40m
Nonstop
7:55 amIAH

Round-trip total · 1 adult · Taxes included

Tue, Dec 1 – Tue, Dec 29

United Airlines
2:50 pmIAH
22h 30m
SFO · 2h 55m
6:20 am+2SYD
United Airlines
9:15 amSYD
15h 40m
Nonstop
7:55 amIAH

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAH ⇄ SYD

Economy

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

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Explore this route

All dates for this routeNov 30, 2026 → Dec 28, 2026Dec 2, 2026 → Dec 30, 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: Houston to Sydney (SYD) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-01 → 2026-12-29United AirlinesUA101 / UA100$2047.002026-10-29T01:12:09Z
2026-12-01 → 2026-12-29Air CanadaAC1293 + AC33 / AC34 + AC1292$1644.502026-10-29T01:12:09Z
2026-12-01 → 2026-12-29Delta Air LinesDL900 + DL43 / DL40 + DL1143$1794.002026-10-29T01:12:09Z
2026-12-01 → 2026-12-29Air New ZealandNZ29 + NZ103 / NZ104 + NZ28$1817.002026-10-29T01:12:09Z
2026-12-01 → 2026-12-29American Airlines / United AirlinesAA6297 + QF12 / UA100$1917.002026-10-29T01:12:09Z
2026-12-01 → 2026-12-29United AirlinesUA589 + UA829 / UA100$1912.002026-10-29T01:12:09Z

2026-12-01 → 2026-12-29 · $2047.00

  • United Airlines UA101: IAH 2026-12-01 20:25:00 → SYD 2026-12-03 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.

2026-12-01 → 2026-12-29 · $1644.50

  • Air Canada AC1293 / AC33: IAH 2026-12-01 18:10:00 → SYD 2026-12-03 09:35:00; 1 stop(s) via YVR; 1345 minutes. Local airport times.
    • AC1293: IAH 2026-12-01 18:10:00 → YVR 2026-12-01 22:12:00; layover at YVR: 98 minutes.
    • AC33: YVR 2026-12-01 23:50:00 → SYD 2026-12-03 09:35:00.
  • Air Canada AC34 / AC1292: SYD 2026-12-29 11:20:00 → IAH 2026-12-29 14:38:00; 1 stop(s) via YVR; 1218 minutes. Local airport times.
    • AC34: SYD 2026-12-29 11:20:00 → YVR 2026-12-29 07:45:00; layover at YVR: 85 minutes.
    • AC1292: YVR 2026-12-29 09:10:00 → IAH 2026-12-29 14:38:00.

2026-12-01 → 2026-12-29 · $1794.00

  • Delta Air Lines DL900 / DL43: IAH 2026-12-01 16:15:00 → SYD 2026-12-03 06:50:00; 1 stop(s) via LAX; 1295 minutes. Local airport times.
    • DL900: IAH 2026-12-01 16:15:00 → LAX 2026-12-01 18:02:00; layover at LAX: 163 minutes.
    • DL43: LAX 2026-12-01 20:45:00 → SYD 2026-12-03 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.

2026-12-01 → 2026-12-29 · $1817.00

  • Air New Zealand NZ29 / NZ103: IAH 2026-12-01 19:55:00 → SYD 2026-12-03 10:35:00; 1 stop(s) via AKL; 1300 minutes. Local airport times.
    • NZ29: IAH 2026-12-01 19:55:00 → AKL 2026-12-03 05:45:00; layover at AKL: 195 minutes.
    • NZ103: AKL 2026-12-03 09:00:00 → SYD 2026-12-03 10:35:00.
  • Air New Zealand NZ104 / NZ28: SYD 2026-12-29 11:55:00 → IAH 2026-12-29 14:15:00; 1 stop(s) via AKL; 1160 minutes. Local airport times.
    • NZ104: SYD 2026-12-29 11:55:00 → AKL 2026-12-29 17:05:00; layover at AKL: 165 minutes.
    • NZ28: AKL 2026-12-29 19:50:00 → IAH 2026-12-29 14:15:00.

2026-12-01 → 2026-12-29 · $1917.00

  • American Airlines AA6297 / QF12: IAH 2026-12-01 15:19:00 → SYD 2026-12-03 06:25:00; 1 stop(s) via LAX; 1326 minutes. Local airport times.
    • AA6297: IAH 2026-12-01 15:19:00 → LAX 2026-12-01 17:20:00; layover at LAX: 185 minutes.
    • QF12: LAX 2026-12-01 20:25:00 → SYD 2026-12-03 06:25:00.
  • United Airlines UA100: SYD 2026-12-29 09:15:00 → IAH 2026-12-29 07:55:00; nonstop; 940 minutes. Local airport times.

2026-12-01 → 2026-12-29 · $1912.00

  • United Airlines UA589 / UA829: IAH 2026-12-01 14:50:00 → SYD 2026-12-03 06:20:00; 1 stop(s) via SFO; 1350 minutes. Local airport times.
    • UA589: IAH 2026-12-01 14:50:00 → SFO 2026-12-01 17:10:00; layover at SFO: 175 minutes.
    • UA829: SFO 2026-12-01 20:05:00 → SYD 2026-12-03 06:20:00.
  • United Airlines UA100: SYD 2026-12-29 09:15:00 → IAH 2026-12-29 07:55:00; nonstop; 940 minutes. Local airport times.

Explore this route

For AI assistants

  • This page: Houston (IAH) to Sydney (SYD) · Dec 1, 2026 · return Dec 29, 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 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.