Cheap Flights from Sydney to Denver, CO from $579

Return flight: Denver – Sydney

On Cheapflightsplus.com you will find 952 connecting flights from Sydney to Denver. You can compare airfare deals from 30 airlines and multiple travel sites from $579, book and save on cheap plane tickets and last minute offers. Also check out SYD-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Sydney to Denver depends on and how to choose the most interesting flight option for you.

Distance between Sydney and Denver is 13444 miles. Time difference between the cities is 5h. Airplanes depart 06:00 to 22:10 from 5 Sydney airports and arrive 06:00 to 22:10 to 2 Denver airports. Average flight time is 37h 2m.

  • The fastest flight 17h 54m
  • Average flight time 37h 2m
  • The earliest flight 06:00
  • The latest flight 22:10
  • Distance 8354 ml

The cheapest months to travel to Denver are august (from 579 $), july (from 590 $), october (from 773 $).

The most expensive months are december (from 1 853 $), november (from 1 066 $), september (from 898 $).

What is the lowest airfare Sydney to Denver?

The cheapest plane ticket found by our users is $579. This airfare is for economy class on one-way QF11 flight by Qantas for July 6, 2025 which leaves Kingsford Smith in Sydney at 17:45 am and arrives at Denver Denver International at 09:51.

Economy class
$579
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Business class
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First class
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Flight Schedule Sydney to Denver (Colorado)

09:20 — 12:28
19h 8m flight time
Find flight
from$777
09:20 — 06:45 Sydney — Vancouver
AC34 Air Canada
1h 50m stop
08:35 — 12:28 Vancouver — Denver
AC4095 Air Canada
09:20 — 18:18
24h 58m flight time
Find flight
from$777
09:20 — 06:45 Sydney — Vancouver
AC34 Air Canada
7h 35m stop
17:30 — 21:28 Vancouver — Denver
AC3254 Air Canada
09:20 — 21:23
28h 3m flight time
Find flight
from$777
09:20 — 06:45 Sydney — Vancouver
AC34 Air Canada
10h 45m stop
17:30 — 21:23 Vancouver — Denver
AC3098 Air Canada
09:20 — 21:28
28h 8m flight time
Find flight
from$777
09:20 — 06:45 Sydney — Vancouver
AC34 Air Canada
10h 45m stop
17:30 — 21:28 Vancouver — Denver
AC3278 Air Canada
09:30 — 12:26
18h 56m flight time
Find flight
from$837
11:20 — 06:05 Sydney — Los Angeles
UA842 United Airlines
2h 55m stop
08:52 — 12:22 Los Angeles — Denver
UA1912 United Airlines
09:30 — 14:27
20h 57m flight time
Find flight
from$837
11:20 — 06:05 Sydney — Los Angeles
UA842 United Airlines
4h 50m stop
11:15 — 14:46 Los Angeles — Denver
UA1260 United Airlines
09:30 — 16:08
22h 38m flight time
Find flight
from$837
09:30 — 06:10 Sydney — Los Angeles
UA842 United Airlines
6h 40m stop
12:57 — 16:25 Los Angeles — Denver
UA311 United Airlines
10:20 — 14:53
21h 33m flight time
Find flight
from$773
11:20 — 06:55 Sydney — Vancouver
AC34 Air Canada
4h 15m stop
12:44 — 16:35 Vancouver — Denver
AC4592 Air Canada
10:20 — 16:33
23h 13m flight time
Find flight
from$773
09:20 — 06:45 Sydney — Vancouver
AC34 Air Canada
5h 55m stop
12:30 — 16:40 Vancouver — Denver
AC576 Air Canada
10:20 — 18:13
24h 53m flight time
Find flight
from$773
11:20 — 06:55 Sydney — Vancouver
AC34 Air Canada
7h 35m stop
15:30 — 19:22 Vancouver — Denver
AC3185 Air Canada
10:20 — 19:23
26h 3m flight time
Find flight
from$773
09:20 — 06:45 Sydney — Vancouver
AC34 Air Canada
8h 45m stop
15:30 — 19:30 Vancouver — Denver
AC578 Air Canada
10:20 — 19:54
26h 34m flight time
Find flight
from$779
11:20 — 16:39 Sydney — Toronto
AC34 Air Canada
1h 50m stop
14:45 — 16:38 Toronto — Denver
AC1041 Air Canada
10:20 — 10:14+1day
40h 54m flight time
Find flight
from$779
11:20 — 16:39 Sydney — Toronto
AC34 Air Canada
16h 10m stop
08:35 — 10:28 Toronto — Denver
AC1039 Air Canada
17:45 — 09:51+1day
32h 6m flight time
Find flight
from$579
17:25 — 12:10 Sydney — Los Angeles
QF11 Qantas
15h 50m stop
08:29 — 11:58 Los Angeles — Denver
F93156 Frontier Airlines
17:45 — 14:25+1day
36h 40m flight time
Find flight
from$601
17:45 — 14:25 Sydney — Los Angeles
QF11 Qantas
20h 30m stop
10:55 — 14:25 Los Angeles — Denver
F94346 Frontier Airlines
Full flight schedule will help you in detecting at what time planes fly from Sydney to Denver. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 14, 2025.

Popular Airlines on the Route

The flight Sydney — Denver is served by 30 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Japan Airlines - JAL - 4 departures per week at the price of from $ 874 . And the most expensive tickets are offered by Cathay Pacific airline - from $ 10301.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 952 flights with layovers on the route. The fastest connecting flight is UA870 by United Airlines takes 17h 54m and the cheapest is QF11 by Qantas for $579.

  • JL - Japan Airlines - JAL
    from $874
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  • FJ - Air Pacific
    from $1030
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  • JQ - Jetstar Airways
    from $1051
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  • UA - United Airlines
    from $837
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  • NZ - Air New Zealand Limited
    from $869
    Find
  • LX - SWISS International Air Lines
    from $2712
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  • HX - Hong Kong Airlines
    from $1806
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  • QF - Qantas
    from $579
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  • KE - Korean Air
    from $3203
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  • MH - Malaysia Airlines
    from $1577
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  • WS - WestJet
    from $1196
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  • SQ - Singapore Airlines
    from $1274
    Find
See more connecting flights

Airports

You can fly from Sydney to Denver from 5 airports (Bankstown, Palm Beach SPB, Rose Bay, Kingsford Smith, Sydney West).

Sydney airports

  • Bankstown-BWU
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  • Palm Beach SPB-LBH
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  • Rose Bay-RSE
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  • Kingsford Smith-SYD
    from $579
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  • Sydney West-SWZ
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Denver airports

  • Denver International-DEN
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  • Arapahoe Co-APA
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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