Cheap Flights from Denver, CO to Sydney from $624

Return flight: Sydney – Denver

On Cheapflightsplus.com you will find 226 connecting flights from Denver to Sydney. You can compare airfare deals from 17 airlines and multiple travel sites from $624, book and save on cheap plane tickets and last minute offers. Also check out DEN-SYD flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Denver to Sydney 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: $624 (one-way), $1070 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Denver to Sydney. 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
06:00 — 06:20
+2 days
06:00 — 07:50 UA573 United Airlines
Denver — San Francisco
12h 20m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
30h 20m
including layover
Find flight
from$768
07:45 — 06:20
+2 days
07:45 — 09:36 UA2391 United Airlines
Denver — San Francisco
10h 34m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
28h 35m
including layover
Find flight
from$762
08:30 — 09:35
+2 days
08:30 — 10:31 AC8709 Air Canada
Denver — Vancouver
12h 9m stop
22:40 — 09:35 AC33 Air Canada
Vancouver — Sydney
31h 5m
including layover
Find flight
from$778
09:05 — 06:20
+2 days
09:05 — 10:56 UA538 United Airlines
Denver — San Francisco
9h 14m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
27h 15m
including layover
Find flight
from$762
09:53 — 09:35
+2 days
09:50 — 15:02 AC4883 Air Canada
Denver — Toronto
3h 38m stop
18:40 — 09:35 AC33 Air Canada
Toronto — Sydney
29h 42m
including layover
Find flight
from$784
10:15 — 06:20
+2 days
10:15 — 12:04 UA2041 United Airlines
Denver — San Francisco
8h 6m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
26h 5m
including layover
Find flight
from$762
10:51 — 06:10
+2 days
10:51 — 12:47 F91229 Frontier Airlines
Denver — San Francisco
7h 28m stop
20:15 — 06:10 QF74 Qantas
San Francisco — Sydney
25h 19m
including layover
Find flight
from$1417
11:33 — 06:20
+2 days
11:33 — 13:23 UA1561 United Airlines
Denver — San Francisco
6h 47m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
24h 47m
including layover
Find flight
from$762
12:11 — 06:35
+2 days
11:31 — 14:36 F94070 Frontier Airlines
Denver — Dallas
5h 8m stop
20:25 — 06:35 QF8 Qantas
Dallas — Sydney
24h 24m
including layover
Find flight
from$1263
12:45 — 07:00
+2 days
12:45 — 16:16 UA514 United Airlines
Denver — Houston
4h 9m stop
20:25 — 07:00 UA101 United Airlines
Houston — Sydney
24h 15m
including layover
Find flight
from$842
13:00 — 07:25
+2 days
13:00 — 14:44 QF3005 Qantas
Denver — Los Angeles
6h 36m stop
21:20 — 07:25 QF12 Qantas
Los Angeles — Sydney
24h 25m
including layover
Find flight
from$646
15:56 — 09:35
+2 days
15:51 — 18:03 AC3215 Air Canada
Denver — Vancouver
4h 37m stop
22:40 — 09:35 AC33 Air Canada
Vancouver — Sydney
23h 39m
including layover
Find flight
from$778
15:59 — 06:20
+2 days
15:59 — 17:50 UA1300 United Airlines
Denver — San Francisco
2h 20m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
20h 21m
including layover
Find flight
from$762
17:20 — 09:15
+2 days
17:20 — 19:11 UA1076 United Airlines
Denver — San Francisco
3h 44m stop
22:55 — 09:15 UA863 United Airlines
San Francisco — Sydney
21h 55m
including layover
Find flight
from$842
17:40 — 09:35
+3 days
17:40 — 22:52 AC1038 Air Canada
Denver — Toronto
19h 48m stop
18:40 — 09:35 AC33 Air Canada
Toronto — Sydney
45h 55m
including layover
Find flight
from$784
18:00 — 09:35
+2 days
18:00 — 20:01 AC8713 Air Canada
Denver — Vancouver
2h 39m stop
22:40 — 09:35 AC33 Air Canada
Vancouver — Sydney
21h 35m
including layover
Find flight
from$778
20:55 — 06:35
+3 days
20:55 — 23:54 F92632 Frontier Airlines
Denver — Dallas
20h 24m stop
20:25 — 06:35 QF8 Qantas
Dallas — Sydney
39h 40m
including layover
Find flight
from$2073
06:31 — 19:45
+2 days
06:31 — 08:13 F91093 Frontier Airlines
Denver — San Francisco
23h 32m stop
07:45 — 11:20 HA11 Hawaiian Airlines
San Francisco — Honolulu
50m stop
12:10 — 19:45 HA451 Hawaiian Airlines
Honolulu — Sydney
43h 14m
including layover
Find flight
from$624
08:30 — 13:40
+2 days
08:30 — 10:31 AC8709 Air Canada
Denver — Vancouver
13h 19m stop
23:50 — 08:40 AC35 Air Canada
Vancouver — Brisbane
2h 25m stop
11:05 — 13:40 AC2718 Air Canada
Brisbane — Sydney
35h 10m
including layover
Find flight
from$799
11:27 — 06:20
+2 days
11:27 — 13:03 UA1013 United Airlines
Denver — Los Angeles
45m stop
13:48 — 15:22 UA2234 United Airlines
Los Angeles — San Francisco
4h 48m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
24h 53m
including layover
Find flight
from$762
13:26 — 06:20
+2 days
13:26 — 15:03 UA282 United Airlines
Denver — Los Angeles
1h 7m stop
16:10 — 17:44 UA2019 United Airlines
Los Angeles — San Francisco
2h 26m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
22h 54m
including layover
Find flight
from$762
16:07 — 19:45
+2 days
16:07 — 17:41 F94917 Frontier Airlines
Denver — San Francisco
14h 4m stop
07:45 — 11:20 HA11 Hawaiian Airlines
San Francisco — Honolulu
50m stop
12:10 — 19:45 HA451 Hawaiian Airlines
Honolulu — Sydney
33h 38m
including layover
Find flight
from$624
16:07 — 19:45
+2 days
16:07 — 17:41 F94917 Frontier Airlines
Denver — San Jose
13h 24m stop
07:05 — 10:45 HA91 Hawaiian Airlines
San Jose — Honolulu
1h 25m stop
12:10 — 19:45 HA451 Hawaiian Airlines
Honolulu — Sydney
33h 38m
including layover
Find flight
from$625
18:00 — 13:40
+2 days
18:00 — 20:01 AC8713 Air Canada
Denver — Vancouver
3h 49m stop
23:50 — 08:40 AC35 Air Canada
Vancouver — Brisbane
2h 25m stop
06:35 — 09:10 AC2718 Air Canada
Brisbane — Sydney
25h 40m
including layover
Find flight
from$799
19:00 — 09:35
+3 days
19:00 — 21:41 AC5434 Air Canada
Denver — Calgary
10h 34m stop
08:15 — 08:59 AC203 Air Canada
Calgary — Vancouver
13h 41m stop
22:40 — 09:35 AC33 Air Canada
Vancouver — Sydney
44h 35m
including layover
Find flight
from$714
19:00 — 09:35
+3 days
19:00 — 21:41 AC5434 Air Canada
Denver — Calgary
11h 19m stop
09:00 — 09:44 AC205 Air Canada
Calgary — Vancouver
12h 56m stop
22:40 — 09:35 AC33 Air Canada
Vancouver — Sydney
44h 35m
including layover
Find flight
from$714
21:55 — 19:45
+2 days
21:55 — 23:40 F92687 Frontier Airlines
Denver — Portland
7h 20m stop
07:00 — 11:05 HA49 Hawaiian Airlines
Portland — Honolulu
1h 5m stop
12:10 — 19:45 HA451 Hawaiian Airlines
Honolulu — Sydney
27h 50m
including layover
Find flight
from$682
22:16 — 19:45
+2 days
22:16 — 23:58 F93439 Frontier Airlines
Denver — San Jose
7h 7m stop
07:05 — 10:45 AS8091 Alaska Airlines
San Jose — Honolulu
1h 25m stop
12:10 — 19:45 AS8451 Alaska Airlines
Honolulu — Sydney
27h 29m
including layover
Find flight
from$650
22:57 — 19:45
+3 days
22:57 — 00:35 F92341 Frontier Airlines
Denver — Los Angeles
16h 25m stop
17:00 — 21:00 AS8009 Alaska Airlines
Los Angeles — Honolulu
15h 10m stop
12:10 — 19:45 AS8451 Alaska Airlines
Honolulu — Sydney
50h 48m
including layover
Find flight
from$633
*Departure and arrival times - local. Updated on December 21, 2024

Flight Information

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

Distance between Denver and Sydney is 13444 miles. Time difference between the cities is 5h. Airplanes depart 05:00 to 23:27 from 2 Denver airports and arrive 05:00 to 23:27 to 5 Sydney airports. Average flight time is 31h 53m.

  • The fastest flight 18h 56m
  • Average flight time 31h 53m
  • The earliest flight 05:00
  • The latest flight 23:27
  • Distance 8354 ml

The cheapest months to travel to Sydney are february (from 624 $), november (from 685 $), january (from 762 $).

The most expensive months are december (from 873 $), january (from 762 $), november (from 685 $).

What is the lowest airfare Denver to Sydney?

The cheapest plane ticket found by our users is $624. This airfare is for economy class on one-way F94917 flight by Frontier Airlines for February 21, 2025 which leaves Denver International in Denver at 16:07 am and arrives at Sydney Kingsford Smith at 19:45.

Economy class
$624
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Business class
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First class
?
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Popular Airlines on the Route

The flight Denver — Sydney is served by 17 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Air Canada - 83 departures per week at the price of from $ 714 . And the most expensive tickets are offered by Air Canada airline - from $ 9699.

Direct flights

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

Connecting Flights

There are 226 flights with layovers on the route. The fastest connecting flight is UA1076 by United Airlines takes 18h 56m and the cheapest is F94917 by Frontier Airlines for $624.

  • from $714
    Find
  • from $762
    Find
  • from $646
    Find
  • from $1306
    Find
  • QR - Qatar Airways
    from $1902
    Find
  • CI - China Airlines
    from $1678
    Find
  • EK - Emirates
    from $2339
    Find
  • OZ - Asiana Airlines
    from $1479
    Find
  • NZ - Air New Zealand Limited
    from $1092
    Find
  • AS - Alaska Airlines
    from $1221
    Find
  • F9 - Frontier Airlines
    from $624
    Find
  • TK - Turkish Airlines
    from $1350
    Find
See more connecting flights

Airports

You can fly from Denver to Sydney from 2 airports (Denver International, Arapahoe Co).

Denver airports

  • Denver International-DEN
    from $624
    Find
  • Arapahoe Co-APA
    Find

Sydney airports

  • Bankstown-BWU
    Find
  • Palm Beach SPB-LBH
    Find
  • Rose Bay-RSE
    Find
  • Kingsford Smith-SYD
    Find
  • Sydney West-SWZ
    Find

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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