Cheap Flights from Sydney to Denver, CO from $609

Return flight: Denver – Sydney

On Cheapflightsplus.com you will find 866 connecting flights from Sydney to Denver. You can compare airfare deals from 29 airlines and multiple travel sites from $609, 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.

Find One-Way and Round-Trip Sydney to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $609 (one-way), $1044 (round-trip).
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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 Arrival Flight Details Flight Duration Price
09:20 — 12:28
09:20 — 06:45 AC34 Air Canada
Sydney — Vancouver
1h 50m stop
08:35 — 12:28 AC4095 Air Canada
Vancouver — Denver
19h 8m
including layover
Find flight
from$817
09:20 — 18:18
09:20 — 06:45 AC34 Air Canada
Sydney — Vancouver
7h 35m stop
17:30 — 21:28 AC3254 Air Canada
Vancouver — Denver
24h 58m
including layover
Find flight
from$817
10:20 — 14:53
11:20 — 06:55 AC34 Air Canada
Sydney — Vancouver
4h 15m stop
12:44 — 16:35 AC4592 Air Canada
Vancouver — Denver
21h 33m
including layover
Find flight
from$813
10:20 — 16:33
09:20 — 06:45 AC34 Air Canada
Sydney — Vancouver
5h 55m stop
12:30 — 16:40 AC576 Air Canada
Vancouver — Denver
23h 13m
including layover
Find flight
from$813
17:45 — 09:51
+1 day
17:25 — 12:10 QF11 Qantas
Sydney — Los Angeles
15h 50m stop
08:29 — 11:58 F93156 Frontier Airlines
Los Angeles — Denver
32h 6m
including layover
Find flight
from$609
17:45 — 14:25
+1 day
17:45 — 14:25 QF11 Qantas
Sydney — Los Angeles
20h 30m stop
10:55 — 14:25 F94346 Frontier Airlines
Los Angeles — Denver
36h 40m
including layover
Find flight
from$632
18:45 — 20:27
18:45 — 14:25 QF11 Qantas
Sydney — Los Angeles
2h 39m stop
17:04 — 20:27 QF4448 Qantas
Los Angeles — Denver
18h 42m
including layover
Find flight
from$939
20:55 — 17:55
+1 day
20:55 — 11:00 TK175 Turkish Airlines
Sydney — Istanbul
3h 20m stop
14:20 — 17:55 TK201 Turkish Airlines
Istanbul — Denver
37h
including layover
Find flight
from$1068
21:30 — 10:17
+1 day
21:30 — 17:45 QF73 Qantas
Sydney — San Francisco
12h 52m stop
06:37 — 10:17 F91230 Frontier Airlines
San Francisco — Denver
28h 47m
including layover
Find flight
from$983
*Departure and arrival times - local. Updated on July 13, 2025

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 36h 22m.

  • The fastest flight 17h 54m
  • Average flight time 36h 22m
  • The earliest flight 06:00
  • The latest flight 22:10
  • Distance 8354 ml

The cheapest months to travel to Denver are august (from 609 $), july (from 621 $), october (from 813 $).

The most expensive months are december (from 1 949 $), november (from 1 122 $), september (from 944 $).

What is the lowest airfare Sydney to Denver?

The cheapest plane ticket found by our users is $609. This airfare is for economy class on one-way QF11 flight by Qantas for August 15, 2025 which leaves Kingsford Smith in Sydney at 17:45 am and arrives at Denver Denver International at 09:51.

Economy class
$609
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Business class
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First class
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Popular Airlines on the Route

The flight Sydney — Denver is served by 29 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 $ 919 . And the most expensive tickets are offered by All Nippon Airways airline - from $ 11382.

Direct flights

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

Connecting Flights

There are 866 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 $609.

  • JL - Japan Airlines - JAL
    from $919
    Find
  • FJ - Air Pacific
    from $1084
    Find
  • JQ - Jetstar Airways
    from $1106
    Find
  • UA - United Airlines
    from $881
    Find
  • NZ - Air New Zealand Limited
    from $915
    Find
  • LX - SWISS International Air Lines
    from $2852
    Find
  • HX - Hong Kong Airlines
    from $1935
    Find
  • QF - Qantas
    from $609
    Find
  • KE - Korean Air
    from $3370
    Find
  • MH - Malaysia Airlines
    from $1659
    Find
  • WS - WestJet
    from $1258
    Find
  • SQ - Singapore Airlines
    from $1340
    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 $609
    Find
  • Sydney West-SWZ
    Find

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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