Flights from Denver to Australia in September

Flights for the months ahead

Denver (DEN) to Sydney (SYD), the months ahead: 144 priced flights on 72 exact dates. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

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Denver (DEN) to Sydney (SYD): November 2026

Denver (DEN) to Sydney (SYD): December 2026

Denver (DEN) to Sydney (SYD): January 2027

Denver (DEN) to Sydney (SYD): February 2027

Denver (DEN) to Sydney (SYD): March 2027

Denver (DEN) to Sydney (SYD): April 2027

Denver (DEN) to Sydney (SYD): May 2027

Denver (DEN) to Sydney (SYD): June 2027

Denver (DEN) to Sydney (SYD): July 2027

Denver (DEN) to Sydney (SYD): August 2027

Denver (DEN) to Sydney (SYD): September 2027

Route overview: Denver to Sydney (SYD) flight deals

2026-11-12 → 2026-11-15 · Axel-exclusive $1587.60

• United Airlines UA2633 / UA829: DEN 2026-11-12 15:50:00 → SYD 2026-11-14 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
  • UA2633: DEN 2026-11-12 15:50:00 → SFO 2026-11-12 17:44:00; layover at SFO: 141 minutes.
  • UA829: SFO 2026-11-12 20:05:00 → SYD 2026-11-14 06:20:00.
• United Airlines UA870 / UA1068: SYD 2026-11-15 11:50:00 → DEN 2026-11-15 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2026-11-15 11:50:00 → SFO 2026-11-15 06:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2026-11-15 08:30:00 → DEN 2026-11-15 12:09:00.

2026-11-12 → 2026-11-15 · Axel-exclusive $1602.30

• American Airlines AA6281 / AA73: DEN 2026-11-12 18:46:00 → SYD 2026-11-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2026-11-12 18:46:00 → LAX 2026-11-12 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2026-11-12 22:40:00 → SYD 2026-11-14 09:00:00.
• United Airlines UA870 / UA1068: SYD 2026-11-15 11:50:00 → DEN 2026-11-15 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2026-11-15 11:50:00 → SFO 2026-11-15 06:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2026-11-15 08:30:00 → DEN 2026-11-15 12:09:00.

2026-11-17 · one way · Axel-exclusive $1009.40

• United Airlines UA489 / UA101: DEN 2026-11-17 15:35:00 → SYD 2026-11-19 07:00:00; 1 stop(s) via IAH; 1285 minutes. Local airport times.
  • UA489: DEN 2026-11-17 15:35:00 → IAH 2026-11-17 19:08:00; layover at IAH: 77 minutes.
  • UA101: IAH 2026-11-17 20:25:00 → SYD 2026-11-19 07:00:00.

2026-11-17 · one way · Axel-exclusive $1029.00

• American Airlines AA6281 / AA73: DEN 2026-11-17 18:46:00 → SYD 2026-11-19 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2026-11-17 18:46:00 → LAX 2026-11-17 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2026-11-17 22:40:00 → SYD 2026-11-19 09:00:00.

2026-11-24 → 2026-11-29 · Axel-exclusive $1587.60

• United Airlines UA489 / UA101: DEN 2026-11-24 15:35:00 → SYD 2026-11-26 07:00:00; 1 stop(s) via IAH; 1285 minutes. Local airport times.
  • UA489: DEN 2026-11-24 15:35:00 → IAH 2026-11-24 19:08:00; layover at IAH: 77 minutes.
  • UA101: IAH 2026-11-24 20:25:00 → SYD 2026-11-26 07:00:00.
• United Airlines UA870 / UA1068: SYD 2026-11-29 11:50:00 → DEN 2026-11-29 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2026-11-29 11:50:00 → SFO 2026-11-29 06:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2026-11-29 08:30:00 → DEN 2026-11-29 12:09:00.

2026-11-24 → 2026-11-29 · Axel-exclusive $1602.30

• American Airlines AA6281 / AA73: DEN 2026-11-24 18:46:00 → SYD 2026-11-26 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2026-11-24 18:46:00 → LAX 2026-11-24 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2026-11-24 22:40:00 → SYD 2026-11-26 09:00:00.
• United Airlines UA870 / UA1068: SYD 2026-11-29 11:50:00 → DEN 2026-11-29 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2026-11-29 11:50:00 → SFO 2026-11-29 06:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2026-11-29 08:30:00 → DEN 2026-11-29 12:09:00.

2026-12-05 → 2026-12-12 · Axel-exclusive $1620.00

• United Airlines UA2633 / UA829: DEN 2026-12-05 15:50:00 → SYD 2026-12-07 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
  • UA2633: DEN 2026-12-05 15:50:00 → SFO 2026-12-05 17:44:00; layover at SFO: 141 minutes.
  • UA829: SFO 2026-12-05 20:05:00 → SYD 2026-12-07 06:20:00.
• United Airlines UA870 / UA1068: SYD 2026-12-12 11:50:00 → DEN 2026-12-12 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2026-12-12 11:50:00 → SFO 2026-12-12 06:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2026-12-12 08:30:00 → DEN 2026-12-12 12:09:00.

2026-12-05 → 2026-12-12 · Axel-exclusive $1635.00

• American Airlines AA6281 / AA73: DEN 2026-12-05 18:46:00 → SYD 2026-12-07 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2026-12-05 18:46:00 → LAX 2026-12-05 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2026-12-05 22:40:00 → SYD 2026-12-07 09:00:00.
• United Airlines UA870 / UA1068: SYD 2026-12-12 11:50:00 → DEN 2026-12-12 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2026-12-12 11:50:00 → SFO 2026-12-12 06:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2026-12-12 08:30:00 → DEN 2026-12-12 12:09:00.

2026-12-19 → 2026-12-26 · Axel-exclusive $2187.00

• United Airlines UA2633 / UA829: DEN 2026-12-19 15:50:00 → SYD 2026-12-21 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
  • UA2633: DEN 2026-12-19 15:50:00 → SFO 2026-12-19 17:44:00; layover at SFO: 141 minutes.
  • UA829: SFO 2026-12-19 20:05:00 → SYD 2026-12-21 06:20:00.
• United Airlines UA870 / UA1068: SYD 2026-12-26 11:50:00 → DEN 2026-12-26 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2026-12-26 11:50:00 → SFO 2026-12-26 06:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2026-12-26 08:30:00 → DEN 2026-12-26 12:09:00.

2026-12-19 → 2026-12-26 · Axel-exclusive $2207.25

• American Airlines AA6281 / AA73: DEN 2026-12-19 18:46:00 → SYD 2026-12-21 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2026-12-19 18:46:00 → LAX 2026-12-19 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2026-12-19 22:40:00 → SYD 2026-12-21 09:00:00.
• United Airlines UA870 / UA1068: SYD 2026-12-26 11:50:00 → DEN 2026-12-26 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2026-12-26 11:50:00 → SFO 2026-12-26 06:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2026-12-26 08:30:00 → DEN 2026-12-26 12:09:00.

2026-12-31 → 2027-01-03 · Axel-exclusive $2187.00

• United Airlines UA1086 / AC37: DEN 2026-12-31 15:53:00 → SYD 2027-01-02 06:55:00; 1 stop(s) via YVR; 1262 minutes. Local airport times.
  • UA1086: DEN 2026-12-31 15:53:00 → YVR 2026-12-31 19:04:00; layover at YVR: 116 minutes.
  • AC37: YVR 2026-12-31 21:00:00 → SYD 2027-01-02 06:55:00.
• United Airlines UA842 / UA1912: SYD 2027-01-03 11:20:00 → DEN 2027-01-03 12:20:00; 1 stop(s) via LAX; 1140 minutes. Local airport times.
  • UA842: SYD 2027-01-03 11:20:00 → LAX 2027-01-03 06:05:00; layover at LAX: 161 minutes.
  • UA1912: LAX 2027-01-03 08:46:00 → DEN 2027-01-03 12:20:00.

2026-12-31 → 2027-01-03 · Axel-exclusive $2207.25

• American Airlines AA6281 / AA73: DEN 2026-12-31 18:46:00 → SYD 2027-01-02 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2026-12-31 18:46:00 → LAX 2026-12-31 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2026-12-31 22:40:00 → SYD 2027-01-02 09:00:00.
• United Airlines UA842 / UA1912: SYD 2027-01-03 11:20:00 → DEN 2027-01-03 12:20:00; 1 stop(s) via LAX; 1140 minutes. Local airport times.
  • UA842: SYD 2027-01-03 11:20:00 → LAX 2027-01-03 06:05:00; layover at LAX: 161 minutes.
  • UA1912: LAX 2027-01-03 08:46:00 → DEN 2027-01-03 12:20:00.

2027-01-14 → 2027-01-17 · Axel-exclusive $1620.00

• United Airlines UA1086 / AC37: DEN 2027-01-14 15:53:00 → SYD 2027-01-16 06:55:00; 1 stop(s) via YVR; 1262 minutes. Local airport times.
  • UA1086: DEN 2027-01-14 15:53:00 → YVR 2027-01-14 19:04:00; layover at YVR: 116 minutes.
  • AC37: YVR 2027-01-14 21:00:00 → SYD 2027-01-16 06:55:00.
• United Airlines UA100 / UA1450: SYD 2027-01-17 09:20:00 → DEN 2027-01-17 12:22:00; 1 stop(s) via IAH; 1262 minutes. Local airport times.
  • UA100: SYD 2027-01-17 09:20:00 → IAH 2027-01-17 08:00:00; layover at IAH: 151 minutes.
  • UA1450: IAH 2027-01-17 10:31:00 → DEN 2027-01-17 12:22:00.

2027-01-14 → 2027-01-17 · Axel-exclusive $1700.00

• American Airlines AA6281 / AA73: DEN 2027-01-14 18:46:00 → SYD 2027-01-16 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2027-01-14 18:46:00 → LAX 2027-01-14 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2027-01-14 22:40:00 → SYD 2027-01-16 09:00:00.
• Qantas QF11 / AA6422: SYD 2027-01-17 11:15:00 → DEN 2027-01-17 11:43:00; 1 stop(s) via LAX; 1108 minutes. Local airport times.
  • QF11: SYD 2027-01-17 11:15:00 → LAX 2027-01-17 06:00:00; layover at LAX: 130 minutes.
  • AA6422: LAX 2027-01-17 08:10:00 → DEN 2027-01-17 11:43:00.

2027-01-28 → 2027-01-31 · Axel-exclusive $1620.00

• United Airlines UA1086 / AC37: DEN 2027-01-28 15:53:00 → SYD 2027-01-30 06:55:00; 1 stop(s) via YVR; 1262 minutes. Local airport times.
  • UA1086: DEN 2027-01-28 15:53:00 → YVR 2027-01-28 19:04:00; layover at YVR: 116 minutes.
  • AC37: YVR 2027-01-28 21:00:00 → SYD 2027-01-30 06:55:00.
• United Airlines UA100 / UA1450: SYD 2027-01-31 09:20:00 → DEN 2027-01-31 12:22:00; 1 stop(s) via IAH; 1262 minutes. Local airport times.
  • UA100: SYD 2027-01-31 09:20:00 → IAH 2027-01-31 08:00:00; layover at IAH: 151 minutes.
  • UA1450: IAH 2027-01-31 10:31:00 → DEN 2027-01-31 12:22:00.

2027-01-28 → 2027-01-31 · Axel-exclusive $1700.00

• American Airlines AA6281 / AA73: DEN 2027-01-28 18:46:00 → SYD 2027-01-30 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2027-01-28 18:46:00 → LAX 2027-01-28 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2027-01-28 22:40:00 → SYD 2027-01-30 09:00:00.
• Qantas QF11 / AA6422: SYD 2027-01-31 11:15:00 → DEN 2027-01-31 11:43:00; 1 stop(s) via LAX; 1108 minutes. Local airport times.
  • QF11: SYD 2027-01-31 11:15:00 → LAX 2027-01-31 06:00:00; layover at LAX: 130 minutes.
  • AA6422: LAX 2027-01-31 08:10:00 → DEN 2027-01-31 11:43:00.

2027-03-13 → 2027-03-20 · Axel-exclusive $1571.40

• United Airlines UA1086 / AC37: DEN 2027-03-13 15:53:00 → SYD 2027-03-15 06:55:00; 1 stop(s) via YVR; 1262 minutes. Local airport times.
  • UA1086: DEN 2027-03-13 15:53:00 → YVR 2027-03-13 19:04:00; layover at YVR: 116 minutes.
  • AC37: YVR 2027-03-13 21:00:00 → SYD 2027-03-15 06:55:00.
• United Airlines UA100 / UA1450: SYD 2027-03-20 09:20:00 → DEN 2027-03-20 13:22:00; 1 stop(s) via IAH; 1262 minutes. Local airport times.
  • UA100: SYD 2027-03-20 09:20:00 → IAH 2027-03-20 09:00:00; layover at IAH: 151 minutes.
  • UA1450: IAH 2027-03-20 11:31:00 → DEN 2027-03-20 13:22:00.

2027-03-13 → 2027-03-20 · Axel-exclusive $1649.00

• American Airlines AA6281 / AA73: DEN 2027-03-13 18:46:00 → SYD 2027-03-15 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2027-03-13 18:46:00 → LAX 2027-03-13 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2027-03-13 22:40:00 → SYD 2027-03-15 09:00:00.
• Qantas QF11 / AA6422: SYD 2027-03-20 11:15:00 → DEN 2027-03-20 12:43:00; 1 stop(s) via LAX; 1108 minutes. Local airport times.
  • QF11: SYD 2027-03-20 11:15:00 → LAX 2027-03-20 07:00:00; layover at LAX: 130 minutes.
  • AA6422: LAX 2027-03-20 09:10:00 → DEN 2027-03-20 12:43:00.

2027-05-28 → 2027-05-31 · Axel-exclusive $1269.60

• United Airlines UA1086 / AC37: DEN 2027-05-28 15:53:00 → SYD 2027-05-30 04:55:00; 1 stop(s) via YVR; 1262 minutes. Local airport times.
  • UA1086: DEN 2027-05-28 15:53:00 → YVR 2027-05-28 18:04:00; layover at YVR: 116 minutes.
  • AC37: YVR 2027-05-28 20:00:00 → SYD 2027-05-30 04:55:00.
• United Airlines UA870 / UA1068: SYD 2027-05-31 11:50:00 → DEN 2027-05-31 14:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2027-05-31 11:50:00 → SFO 2027-05-31 08:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2027-05-31 10:30:00 → DEN 2027-05-31 14:09:00.

2027-05-28 → 2027-05-31 · Axel-exclusive $1334.00

• American Airlines AA6281 / AA73: DEN 2027-05-28 18:46:00 → SYD 2027-05-30 07:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2027-05-28 18:46:00 → LAX 2027-05-28 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2027-05-28 22:40:00 → SYD 2027-05-30 07:00:00.
• Qantas QF11 / AA6422: SYD 2027-05-31 11:15:00 → DEN 2027-05-31 13:43:00; 1 stop(s) via LAX; 1108 minutes. Local airport times.
  • QF11: SYD 2027-05-31 11:15:00 → LAX 2027-05-31 08:00:00; layover at LAX: 130 minutes.
  • AA6422: LAX 2027-05-31 10:10:00 → DEN 2027-05-31 13:43:00.

2027-07-30 → 2027-08-02 · Axel-exclusive $1400.70

• United Airlines UA1086 / AC37: DEN 2027-07-30 15:53:00 → SYD 2027-08-01 04:55:00; 1 stop(s) via YVR; 1262 minutes. Local airport times.
  • UA1086: DEN 2027-07-30 15:53:00 → YVR 2027-07-30 18:04:00; layover at YVR: 116 minutes.
  • AC37: YVR 2027-07-30 20:00:00 → SYD 2027-08-01 04:55:00.
• United Airlines UA870 / UA1068: SYD 2027-08-02 11:50:00 → DEN 2027-08-02 14:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
  • UA870: SYD 2027-08-02 11:50:00 → SFO 2027-08-02 08:30:00; layover at SFO: 120 minutes.
  • UA1068: SFO 2027-08-02 10:30:00 → DEN 2027-08-02 14:09:00.

2027-07-30 → 2027-08-02 · Axel-exclusive $1471.00

• American Airlines AA6281 / AA73: DEN 2027-07-30 18:46:00 → SYD 2027-08-01 07:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2027-07-30 18:46:00 → LAX 2027-07-30 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2027-07-30 22:40:00 → SYD 2027-08-01 07:00:00.
• Qantas QF11 / AA6422: SYD 2027-08-02 11:15:00 → DEN 2027-08-02 13:43:00; 1 stop(s) via LAX; 1108 minutes. Local airport times.
  • QF11: SYD 2027-08-02 11:15:00 → LAX 2027-08-02 08:00:00; layover at LAX: 130 minutes.
  • AA6422: LAX 2027-08-02 10:10:00 → DEN 2027-08-02 13:43:00.

2027-09-18 → 2027-09-25 · Axel-exclusive $1386.90

• United Airlines UA1086 / AC37: DEN 2027-09-18 15:53:00 → SYD 2027-09-20 04:55:00; 1 stop(s) via YVR; 1262 minutes. Local airport times.
  • UA1086: DEN 2027-09-18 15:53:00 → YVR 2027-09-18 18:04:00; layover at YVR: 116 minutes.
  • AC37: YVR 2027-09-18 20:00:00 → SYD 2027-09-20 04:55:00.
• United Airlines UA100 / UA1450: SYD 2027-09-25 09:20:00 → DEN 2027-09-25 14:22:00; 1 stop(s) via IAH; 1262 minutes. Local airport times.
  • UA100: SYD 2027-09-25 09:20:00 → IAH 2027-09-25 10:00:00; layover at IAH: 151 minutes.
  • UA1450: IAH 2027-09-25 12:31:00 → DEN 2027-09-25 14:22:00.

2027-09-18 → 2027-09-25 · Axel-exclusive $1460.00

• American Airlines AA6281 / AA73: DEN 2027-09-18 18:46:00 → SYD 2027-09-20 07:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
  • AA6281: DEN 2027-09-18 18:46:00 → LAX 2027-09-18 20:30:00; layover at LAX: 130 minutes.
  • AA73: LAX 2027-09-18 22:40:00 → SYD 2027-09-20 07:00:00.
• Qantas QF11 / AA6422: SYD 2027-09-25 11:15:00 → DEN 2027-09-25 13:43:00; 1 stop(s) via LAX; 1108 minutes. Local airport times.
  • QF11: SYD 2027-09-25 11:15:00 → LAX 2027-09-25 08:00:00; layover at LAX: 130 minutes.
  • AA6422: LAX 2027-09-25 10:10:00 → DEN 2027-09-25 13:43:00.

More dates for this route

• Nov 12, 2026 · Return options
• Nov 21, 2026 · Return options
• Dec 1, 2026 · Return options
• Dec 12, 2026 · Return options
• Dec 22, 2026 · Return options
• Jan 1, 2027 · Return options
• Jan 12, 2027 · Return options
• Jan 23, 2027 · Return options
• Feb 13, 2027 · Return options
• May 8, 2027 · Return options
• Jul 3, 2027 · Return options
• Sep 18, 2027 · Return options
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• Hawaii: for Christmas · for Thanksgiving · for spring break · for Presidents' Day weekend · in summer · for 4 days · for 5 days · for a week · for 10 days
• Mexico: for Christmas · for Thanksgiving · for spring break · for Presidents' Day weekend · for MLK weekend · in winter · in February · for 4 days · for 5 days · for a week
• The Caribbean: for Christmas · for spring break · for Presidents' Day weekend · in winter · in February · for 4 days · for 5 days · for a week
• Costa Rica: for Christmas · for spring break · in winter · for a week · for 10 days
• Central America: for Christmas · for spring break · in winter · for a week · for 10 days
• Europe: in summer · in May · in September · in December · for spring break · for Christmas · for a week · for 10 days · for two weeks
• Italy: in summer · in May · in June · in September · for Christmas · for a week · for 10 days · for two weeks
• Spain: in summer · in May · in September · for spring break · for a week · for 10 days
• Greece: in summer · in May · in June · in September · for a week · for 10 days · for two weeks
• Portugal: in summer · in May · in September · in winter · for 4 days · for a week · for 10 days
• Croatia: in summer · in June · in September · for a week · for 10 days
• Iceland: in summer · in winter · in September · for 4 days · for a week
• Scandinavia: in summer · in winter · in September · for 4 days · for a week · for 10 days
• Eastern Europe: in summer · in May · in September · in December · for a week · for 10 days
• England: in spring · in summer · in fall · for Christmas · for 4 days · for a week · for 10 days
• Scotland: in summer · in fall · for 4 days · for a week
• Ireland: in spring · in summer · in fall · for Christmas · for 4 days · for a week · for 10 days
• Japan: in April · in November · in winter · in summer · for a week · for 10 days · for two weeks
• South Korea: in spring · in fall · for a week
• Asia: in spring · in fall · in winter · for a week · for 10 days · for two weeks
• Southeast Asia: in winter · in November · in January · in February · for 10 days · for two weeks · for three weeks · for a month
• Thailand: in winter · in November · in January · in February · for 10 days · for two weeks · for three weeks
• Vietnam: in winter · in November · in February · in spring · for 10 days · for two weeks
• Bali: in summer · in winter · for 10 days · for two weeks · for a month
• India: in winter · in December · for two weeks · for a month
• Australia: in December · in January · in February · for two weeks · for three weeks · for a month
• New Zealand: in December · in January · in February · for two weeks · for three weeks
• South America: in January · in February · in winter · for 10 days · for two weeks
• Colombia: in winter · in spring · for a week · for 10 days
• Peru: in summer · in May · in September · for 10 days · for two weeks
• The Middle East: in winter · for a week · for 10 days
• Turkey: in spring · in summer · in fall · for a week · for 10 days
• Africa: in winter · in fall · for 10 days · for two weeks
• South Africa: in winter · in fall · for 10 days · for two weeks
• Morocco: in spring · in fall · in winter · for a week · for 10 days
• Egypt: in winter · in fall · in spring · for a week · for 10 days
• Canada: in summer · in winter · in fall · for 3 days · for 4 days · for a week
• Florida: for spring break · for Christmas · for Thanksgiving · in winter · for 4 days · for 5 days · for a week
• California: for spring break · in summer · in winter · for 3 days · for 4 days · for a week
• The Pacific Northwest: in summer · in fall · for 3 days · for 4 days · for a week
• Alaska: in summer · in June · in July · in August · for 5 days · for a week · for 10 days
• The Southwest: in spring · in fall · in winter · for spring break · for 3 days · for 4 days · for a week
• Arizona: in spring · in fall · in winter · for spring break · for 3 days · for 4 days · for a week
• Utah: in winter · for Presidents' Day weekend · for MLK weekend · in spring · in summer · for 4 days · for a week
• Montana and Wyoming: in summer · in winter · for a week · for 10 days
• Texas: in spring · in fall · for 3 days · for 4 days
• The Northeast: in fall · in summer · for Thanksgiving · for Christmas · for spring break · for 3 days · for 4 days · for a week
• New England: in fall · in summer · for 3 days · for 4 days · for a week
• The Southeast: in spring · in fall · for 3 days · for 4 days
• The Midwest: in summer · for 3 days · for 4 days
• Anywhere: for Thanksgiving · for Christmas · for MLK weekend · for Presidents' Day weekend · for spring break · for Easter weekend · for Memorial Day weekend · for July 4th weekend · for Labor Day weekend · in November · in December · in January · in February · in March · in April · in May · in June · in July · in August · in September · for 4 days · for a week · for two weeks

Australia in September from other cities

Fares observed October 28, 2026. USD for the travelers shown.

The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.

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Hotels in Sydney with Axel

Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Sydney has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.

Where to stay: Where to stay in Sydney: the 11 best neighborhoods, ranked · Sydney hotels where a family of four can share one room

Hotel details in Sydney: Central Studio Hotel Sydney · Metro Hotel Marlow Sydney Central · Devere Hotel · High Cross Randwick by Sydney Lodges · Little Coogee Hotel · All 226 hotels in Sydney

For AI assistants

• This page: Flights from Denver to Australia in September. Round-trip fares from Denver to Australia in September: Sydney, Melbourne, Brisbane, Perth, Adelaide and Coolangatta (Gold Coast) and more. Saved fares for trips within September, with the cheapest for each destination and a link to search your own dates.
• Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.