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Route overview: Denver to Sydney (SYD) flight deals

Denver → Sydney

Dec 12, 2026 · choose your return date

DEN → SYD1 adulteconomyOne way and round trips

30 flight options · 5 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 12, 2026 · One wayUnited AirlinesUp to 1 stop each way$1030.00 Dec 12, 2026 · One wayAmerican AirlinesUp to 1 stop each way$1050.00 Dec 12, 2026 – Dec 15, 2026 · 3 nightsUnited AirlinesUp to 1 stop each way$1620.00 Dec 12, 2026 – Dec 15, 2026 · 3 nightsAmerican Airlines / Delta Air LinesUp to 1 stop each way$1675.00 Dec 12, 2026 – Dec 16, 2026 · 4 nightsUnited AirlinesUp to 1 stop each way$1620.00 Dec 12, 2026 – Dec 16, 2026 · 4 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1635.00 Dec 12, 2026 – Dec 17, 2026 · 5 nightsUnited AirlinesUp to 1 stop each way$1620.00 Dec 12, 2026 – Dec 17, 2026 · 5 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1635.00 Dec 12, 2026 – Dec 18, 2026 · 6 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Dec 18, 2026 · 6 nightsAmerican Airlines / QantasUp to 1 stop each way$2006.25 Dec 12, 2026 – Dec 19, 2026 · 7 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Dec 19, 2026 · 7 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1918.50 Dec 12, 2026 – Dec 20, 2026 · 8 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Dec 20, 2026 · 8 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1918.50 Dec 12, 2026 – Dec 21, 2026 · 9 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Dec 21, 2026 · 9 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1918.50 Dec 12, 2026 – Dec 22, 2026 · 10 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Dec 22, 2026 · 10 nightsAmerican Airlines / Delta Air LinesUp to 1 stop each way$1972.50 Dec 12, 2026 – Dec 23, 2026 · 11 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Dec 23, 2026 · 11 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1918.50 Dec 12, 2026 – Dec 24, 2026 · 12 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Dec 24, 2026 · 12 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1918.50 Dec 12, 2026 – Dec 25, 2026 · 13 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Dec 25, 2026 · 13 nightsAmerican Airlines / QantasUp to 1 stop each way$2006.25 Dec 12, 2026 – Dec 26, 2026 · 14 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Dec 26, 2026 · 14 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1918.50 Dec 12, 2026 – Jan 2, 2027 · 21 nightsUnited AirlinesUp to 1 stop each way$1903.50 Dec 12, 2026 – Jan 2, 2027 · 21 nightsAmerican Airlines / United AirlinesUp to 1 stop each way$1918.50 Dec 12, 2026 – Jan 9, 2027 · 28 nightsAmerican Airlines / Air CanadaUp to 1 stop each way$1600.00 Dec 12, 2026 – Jan 9, 2027 · 28 nightsUnited AirlinesUp to 1 stop each way$1620.00

Flights for your trip

  1. Sat, Dec 12 · One way

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  2. Sat, Dec 12 · One way

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  3. Sat, Dec 12 – Tue, Dec 15

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  4. Sat, Dec 12 – Tue, Dec 15

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    Delta Air Lines
    10:40 amSYD
    19h 17m
    LAX · 2h 55m
    11:57 amDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  5. Sat, Dec 12 – Wed, Dec 16

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  6. Sat, Dec 12 – Wed, Dec 16

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  7. Sat, Dec 12 – Thu, Dec 17

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  8. Sat, Dec 12 – Thu, Dec 17

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  9. Sat, Dec 12 – Fri, Dec 18

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  10. Sat, Dec 12 – Fri, Dec 18

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    Qantas
    11:15 amSYD
    18h 28m
    LAX · 2h 10m
    11:43 amDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  11. Sat, Dec 12 – Sun, Dec 20

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  12. Sat, Dec 12 – Sun, Dec 20

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  13. Sat, Dec 12 – Mon, Dec 21

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  14. Sat, Dec 12 – Mon, Dec 21

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  15. Sat, Dec 12 – Tue, Dec 22

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  16. Sat, Dec 12 – Tue, Dec 22

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    Delta Air Lines
    10:40 amSYD
    19h 17m
    LAX · 2h 55m
    11:57 amDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  17. Sat, Dec 12 – Thu, Dec 24

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  18. Sat, Dec 12 – Thu, Dec 24

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  19. Sat, Dec 12 – Fri, Dec 25

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  20. Sat, Dec 12 – Fri, Dec 25

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    Qantas
    11:15 amSYD
    18h 28m
    LAX · 2h 10m
    11:43 amDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  21. Sat, Dec 12 – Sat, Dec 26

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  22. Sat, Dec 12 – Sat, Dec 26

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    United Airlines
    11:50 amSYD
    18h 19m
    SFO · 2h
    12:09 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  23. Sat, Dec 12 – Sat, Jan 9

    American Airlines
    6:46 pmDEN
    20h 14m
    LAX · 2h 10m
    9:00 am+2SYD
    Air Canada
    4:00 pmSYD
    18h 27m
    YVR · 1h 21m
    4:27 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  24. Sat, Dec 12 – Sat, Jan 9

    United Airlines
    3:50 pmDEN
    20h 30m
    SFO · 2h 21m
    6:20 am+2SYD
    United Airlines
    9:20 amSYD
    21h 2m
    IAH · 2h 31m
    12:22 pmDEN

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

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1 of 24

Make this trip yours

DEN ⇄ 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 routeDec 11, 2026 · Return optionsDec 13, 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)
2026-12-12 · one wayUnited AirlinesUA2633 + UA829Axel-exclusive $1030.002026-10-29T01:05:09Z
2026-12-12 · one wayAmerican AirlinesAA6281 + AA73Axel-exclusive $1050.002026-10-29T01:05:09Z
2026-12-12 → 2026-12-15United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1620.002026-10-29T01:05:09Z
2026-12-12 → 2026-12-15American Airlines / Delta Air LinesAA6281 + AA73 / DL40 + DL2148Axel-exclusive $1675.002026-10-29T01:05:09Z
2026-12-12 → 2026-12-16United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1620.002026-10-29T01:05:09Z
2026-12-12 → 2026-12-16American Airlines / United AirlinesAA6281 + AA73 / UA870 + UA1068Axel-exclusive $1635.002026-10-29T01:05:09Z
2026-12-12 → 2026-12-17United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1620.002026-10-29T01:05:09Z
2026-12-12 → 2026-12-17American Airlines / United AirlinesAA6281 + AA73 / UA870 + UA1068Axel-exclusive $1635.002026-10-29T01:05:09Z
2026-12-12 → 2026-12-18United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-18American Airlines / QantasAA6281 + AA73 / QF11 + AA6422Axel-exclusive $2006.252026-10-29T01:05:09Z
2026-12-12 → 2026-12-19United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-19American Airlines / United AirlinesAA6281 + AA73 / UA870 + UA1068Axel-exclusive $1918.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-20United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-20American Airlines / United AirlinesAA6281 + AA73 / UA870 + UA1068Axel-exclusive $1918.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-21United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-21American Airlines / United AirlinesAA6281 + AA73 / UA870 + UA1068Axel-exclusive $1918.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-22United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-22American Airlines / Delta Air LinesAA6281 + AA73 / DL40 + DL2148Axel-exclusive $1972.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-23United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-23American Airlines / United AirlinesAA6281 + AA73 / UA870 + UA1068Axel-exclusive $1918.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-24United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-24American Airlines / United AirlinesAA6281 + AA73 / UA870 + UA1068Axel-exclusive $1918.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-25United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-25American Airlines / QantasAA6281 + AA73 / QF11 + AA6422Axel-exclusive $2006.252026-10-29T01:05:09Z
2026-12-12 → 2026-12-26United AirlinesUA2633 + UA829 / UA870 + UA1068Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2026-12-26American Airlines / United AirlinesAA6281 + AA73 / UA870 + UA1068Axel-exclusive $1918.502026-10-29T01:05:09Z
2026-12-12 → 2027-01-02United AirlinesUA2633 + UA829 / UA100 + UA1450Axel-exclusive $1903.502026-10-29T01:05:09Z
2026-12-12 → 2027-01-02American Airlines / United AirlinesAA6281 + AA73 / UA100 + UA1450Axel-exclusive $1918.502026-10-29T01:05:09Z
2026-12-12 → 2027-01-09American Airlines / Air CanadaAA6281 + AA73 / AC38 + UA2470Axel-exclusive $1600.002026-10-29T01:05:09Z
2026-12-12 → 2027-01-09United AirlinesUA2633 + UA829 / UA100 + UA1450Axel-exclusive $1620.002026-10-29T01:05:09Z

Route overview: Denver to Sydney (SYD) flight deals

2026-12-12 · one way · Axel-exclusive $1030.00

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

2026-12-12 · one way · Axel-exclusive $1050.00

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.

2026-12-12 → 2026-12-15 · Axel-exclusive $1620.00

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

2026-12-12 → 2026-12-15 · Axel-exclusive $1675.00

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.
  • Delta Air Lines DL40 / DL2148: SYD 2026-12-15 10:40:00 → DEN 2026-12-15 11:57:00; 1 stop(s) via LAX; 1157 minutes. Local airport times.
    • DL40: SYD 2026-12-15 10:40:00 → LAX 2026-12-15 05:35:00; layover at LAX: 175 minutes.
    • DL2148: LAX 2026-12-15 08:30:00 → DEN 2026-12-15 11:57:00.

2026-12-12 → 2026-12-16 · Axel-exclusive $1620.00

  • United Airlines UA2633 / UA829: DEN 2026-12-12 15:50:00 → SYD 2026-12-14 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
    • UA2633: DEN 2026-12-12 15:50:00 → SFO 2026-12-12 17:44:00; layover at SFO: 141 minutes.
    • UA829: SFO 2026-12-12 20:05:00 → SYD 2026-12-14 06:20:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-16 11:50:00 → DEN 2026-12-16 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-16 11:50:00 → SFO 2026-12-16 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-16 08:30:00 → DEN 2026-12-16 12:09:00.

2026-12-12 → 2026-12-16 · Axel-exclusive $1635.00

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-16 11:50:00 → DEN 2026-12-16 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-16 11:50:00 → SFO 2026-12-16 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-16 08:30:00 → DEN 2026-12-16 12:09:00.

2026-12-12 → 2026-12-17 · Axel-exclusive $1620.00

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

2026-12-12 → 2026-12-17 · Axel-exclusive $1635.00

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-17 11:50:00 → DEN 2026-12-17 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-17 11:50:00 → SFO 2026-12-17 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-17 08:30:00 → DEN 2026-12-17 12:09:00.

2026-12-12 → 2026-12-18 · Axel-exclusive $1903.50

  • United Airlines UA2633 / UA829: DEN 2026-12-12 15:50:00 → SYD 2026-12-14 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
    • UA2633: DEN 2026-12-12 15:50:00 → SFO 2026-12-12 17:44:00; layover at SFO: 141 minutes.
    • UA829: SFO 2026-12-12 20:05:00 → SYD 2026-12-14 06:20:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-18 11:50:00 → DEN 2026-12-18 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-18 11:50:00 → SFO 2026-12-18 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-18 08:30:00 → DEN 2026-12-18 12:09:00.

2026-12-12 → 2026-12-18 · Axel-exclusive $2006.25

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.
  • Qantas QF11 / AA6422: SYD 2026-12-18 11:15:00 → DEN 2026-12-18 11:43:00; 1 stop(s) via LAX; 1108 minutes. Local airport times.
    • QF11: SYD 2026-12-18 11:15:00 → LAX 2026-12-18 06:00:00; layover at LAX: 130 minutes.
    • AA6422: LAX 2026-12-18 08:10:00 → DEN 2026-12-18 11:43:00.

2026-12-12 → 2026-12-20 · Axel-exclusive $1903.50

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

2026-12-12 → 2026-12-20 · Axel-exclusive $1918.50

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

2026-12-12 → 2026-12-21 · Axel-exclusive $1903.50

  • United Airlines UA2633 / UA829: DEN 2026-12-12 15:50:00 → SYD 2026-12-14 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
    • UA2633: DEN 2026-12-12 15:50:00 → SFO 2026-12-12 17:44:00; layover at SFO: 141 minutes.
    • UA829: SFO 2026-12-12 20:05:00 → SYD 2026-12-14 06:20:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-21 11:50:00 → DEN 2026-12-21 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-21 11:50:00 → SFO 2026-12-21 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-21 08:30:00 → DEN 2026-12-21 12:09:00.

2026-12-12 → 2026-12-21 · Axel-exclusive $1918.50

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-21 11:50:00 → DEN 2026-12-21 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-21 11:50:00 → SFO 2026-12-21 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-21 08:30:00 → DEN 2026-12-21 12:09:00.

2026-12-12 → 2026-12-22 · Axel-exclusive $1903.50

  • United Airlines UA2633 / UA829: DEN 2026-12-12 15:50:00 → SYD 2026-12-14 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
    • UA2633: DEN 2026-12-12 15:50:00 → SFO 2026-12-12 17:44:00; layover at SFO: 141 minutes.
    • UA829: SFO 2026-12-12 20:05:00 → SYD 2026-12-14 06:20:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-22 11:50:00 → DEN 2026-12-22 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-22 11:50:00 → SFO 2026-12-22 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-22 08:30:00 → DEN 2026-12-22 12:09:00.

2026-12-12 → 2026-12-22 · Axel-exclusive $1972.50

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.
  • Delta Air Lines DL40 / DL2148: SYD 2026-12-22 10:40:00 → DEN 2026-12-22 11:57:00; 1 stop(s) via LAX; 1157 minutes. Local airport times.
    • DL40: SYD 2026-12-22 10:40:00 → LAX 2026-12-22 05:35:00; layover at LAX: 175 minutes.
    • DL2148: LAX 2026-12-22 08:30:00 → DEN 2026-12-22 11:57:00.

2026-12-12 → 2026-12-24 · Axel-exclusive $1903.50

  • United Airlines UA2633 / UA829: DEN 2026-12-12 15:50:00 → SYD 2026-12-14 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
    • UA2633: DEN 2026-12-12 15:50:00 → SFO 2026-12-12 17:44:00; layover at SFO: 141 minutes.
    • UA829: SFO 2026-12-12 20:05:00 → SYD 2026-12-14 06:20:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-24 11:50:00 → DEN 2026-12-24 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-24 11:50:00 → SFO 2026-12-24 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-24 08:30:00 → DEN 2026-12-24 12:09:00.

2026-12-12 → 2026-12-24 · Axel-exclusive $1918.50

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-24 11:50:00 → DEN 2026-12-24 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-24 11:50:00 → SFO 2026-12-24 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-24 08:30:00 → DEN 2026-12-24 12:09:00.

2026-12-12 → 2026-12-25 · Axel-exclusive $1903.50

  • United Airlines UA2633 / UA829: DEN 2026-12-12 15:50:00 → SYD 2026-12-14 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
    • UA2633: DEN 2026-12-12 15:50:00 → SFO 2026-12-12 17:44:00; layover at SFO: 141 minutes.
    • UA829: SFO 2026-12-12 20:05:00 → SYD 2026-12-14 06:20:00.
  • United Airlines UA870 / UA1068: SYD 2026-12-25 11:50:00 → DEN 2026-12-25 12:09:00; 1 stop(s) via SFO; 1099 minutes. Local airport times.
    • UA870: SYD 2026-12-25 11:50:00 → SFO 2026-12-25 06:30:00; layover at SFO: 120 minutes.
    • UA1068: SFO 2026-12-25 08:30:00 → DEN 2026-12-25 12:09:00.

2026-12-12 → 2026-12-25 · Axel-exclusive $2006.25

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.
  • Qantas QF11 / AA6422: SYD 2026-12-25 11:15:00 → DEN 2026-12-25 11:43:00; 1 stop(s) via LAX; 1108 minutes. Local airport times.
    • QF11: SYD 2026-12-25 11:15:00 → LAX 2026-12-25 06:00:00; layover at LAX: 130 minutes.
    • AA6422: LAX 2026-12-25 08:10:00 → DEN 2026-12-25 11:43:00.

2026-12-12 → 2026-12-26 · Axel-exclusive $1903.50

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

2026-12-12 → 2026-12-26 · Axel-exclusive $1918.50

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 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.

2026-12-12 → 2027-01-09 · Axel-exclusive $1600.00

  • American Airlines AA6281 / AA73: DEN 2026-12-12 18:46:00 → SYD 2026-12-14 09:00:00; 1 stop(s) via LAX; 1214 minutes. Local airport times.
    • AA6281: DEN 2026-12-12 18:46:00 → LAX 2026-12-12 20:30:00; layover at LAX: 130 minutes.
    • AA73: LAX 2026-12-12 22:40:00 → SYD 2026-12-14 09:00:00.
  • Air Canada AC38 / UA2470: SYD 2027-01-09 16:00:00 → DEN 2027-01-09 16:27:00; 1 stop(s) via YVR; 1107 minutes. Local airport times.
    • AC38: SYD 2027-01-09 16:00:00 → YVR 2027-01-09 12:15:00; layover at YVR: 81 minutes.
    • UA2470: YVR 2027-01-09 13:36:00 → DEN 2027-01-09 16:27:00.

2026-12-12 → 2027-01-09 · Axel-exclusive $1620.00

  • United Airlines UA2633 / UA829: DEN 2026-12-12 15:50:00 → SYD 2026-12-14 06:20:00; 1 stop(s) via SFO; 1230 minutes. Local airport times.
    • UA2633: DEN 2026-12-12 15:50:00 → SFO 2026-12-12 17:44:00; layover at SFO: 141 minutes.
    • UA829: SFO 2026-12-12 20:05:00 → SYD 2026-12-14 06:20:00.
  • United Airlines UA100 / UA1450: SYD 2027-01-09 09:20:00 → DEN 2027-01-09 12:22:00; 1 stop(s) via IAH; 1262 minutes. Local airport times.
    • UA100: SYD 2027-01-09 09:20:00 → IAH 2027-01-09 08:00:00; layover at IAH: 151 minutes.
    • UA1450: IAH 2027-01-09 10:31:00 → DEN 2027-01-09 12:22:00.

Explore this route

For AI assistants

  • This page: Denver (DEN) to Sydney (SYD) · Dec 12, 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 Denver 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.