Cheap Flights from Denver, CO to Sydney from $502

One way Round trip

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On Cheapflightsplus.com you will find 979 connecting flights from Denver to Sydney. You can compare airfare deals from 29 airlines and multiple travel sites from $502, 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: $502 (one-way), $861 (round-trip).

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Best Flights from Denver to Sydney Today

Take a look at the list of non stop flights and flights with layovers from Denver to Sydney with the lowest price of $502. Take a look at the list of flights with layovers from Denver to Sydney from $502. There’re no direct flights. The fastest connecting flight – 18h 45m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $607 Find flight	22:55 Denver Denver International	07:30+3 дня Sydney Kingsford Smith	40h 35m layover 22h 43m - Los Angeles	Frontier Airlines	F94345 QF12
from $736 Find flight	11:51 Denver Denver International	07:30+2 дня Sydney Kingsford Smith	26h 39m layover 8h 36m - Los Angeles	Alaska Airlines	AS6370 QF12
from $795 Find flight	17:42 Denver Denver International	07:30+2 дня Sydney Kingsford Smith	20h 48m layover 2h 48m - Los Angeles	Qantas	QF3138 QF12
from $502 Find flight	06:30 Denver Denver International	11:45+2 дня Sydney Kingsford Smith	37h 15m layover 13h 15m - Dallas 4h 0m - Nadi	Frontier Airlines	F91324 FJ891 FJ911
from $527 Find flight	08:58 Denver Denver International	12:15+2 дня Sydney Kingsford Smith	35h 17m layover 10h 43m - Dallas 4h 30m - Nadi	Frontier Airlines	F92550 FJ891 FJ911
from $528 Find flight	21:15 Denver Denver International	11:45+3 дня Sydney Kingsford Smith	46h 30m layover 22h 20m - Dallas 4h 0m - Nadi	Frontier Airlines	F94464 FJ891 FJ911
from $542 Find flight	08:25 Denver Denver International	11:45+2 дня Sydney Kingsford Smith	35h 20m layover 13h 58m - Los Angeles 3h 15m - Nadi	Frontier Airlines	F92341 FJ811 FJ911
from $542 Find flight	21:36 Denver Denver International	11:45+3 дня Sydney Kingsford Smith	46h 9m layover 24h 0m - San Francisco 4h 0m - Nadi	Frontier Airlines	F91093 FJ871 FJ911
from $568 Find flight	22:29 Denver Denver International	11:45+3 дня Sydney Kingsford Smith	45h 16m layover 22h 36m - San Francisco 3h 40m - Nadi	Frontier Airlines	F93439 FJ871 FJ911
from $569 Find flight	09:42 Denver Denver International	11:45+2 дня Sydney Kingsford Smith	34h 3m layover 11h 33m - San Francisco 3h 40m - Nadi	Frontier Airlines	F94917 FJ871 FJ911
from $614 Find flight	22:29 Denver Denver International	07:20+3 дня Sydney Kingsford Smith	40h 51m layover 18h 41m - Seattle 2h 20m - Vancouver	Frontier Airlines	F93405 AC8809 AC33
from $626 Find flight	17:59 Denver Denver International	13:40+2 дня Sydney Kingsford Smith	27h 41m layover 4h 8m - Los Angeles 4h 45m - Nadi	Air Pacific	FJ5104 FJ811 FJ917
from $636 Find flight	14:00 Denver Denver International	07:30+2 дня Sydney Kingsford Smith	25h 30m layover 3h 24m - Las Vegas 3h 18m - Los Angeles	Frontier Airlines	F92349 F91183 QF12
from $642 Find flight	07:30 Denver Denver International	07:30+2 дня Sydney Kingsford Smith	32h 0m layover 3h 38m - Phoenix 9h 32m - Los Angeles	Frontier Airlines	F91375 F91061 QF12
from $642 Find flight	06:50 Denver Denver International	07:30+2 дня Sydney Kingsford Smith	32h 40m layover 1h 32m - Houston 9h 47m - Los Angeles	Frontier Airlines	F93206 F91755 QF12
from $643 Find flight	11:34 Denver Denver International	07:30+2 дня Sydney Kingsford Smith	27h 56m layover 4h 32m - Salt Lake City 4h 28m - Los Angeles	Frontier Airlines	F94721 F91267 QF12

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 01, 2025

Flight Schedule Denver (Colorado) to Sydney

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	Flight Details	Flight Duration	Price
05:30 — 06:55 +2 days	05:30 — 07:12 UA768 United Airlines Denver — San Francisco 15h 48m stop 23:00 — 06:55 UA863 United Airlines San Francisco — Sydney	33h 25m including layover	Find flight from$885
06:00 — 08:00 +2 days	06:00 — 07:34 UA1093 United Airlines Denver — Los Angeles 15h 15m stop 22:40 — 09:05 UA839 United Airlines Los Angeles — Sydney	33h including layover	Find flight from$811
06:08 — 07:55 +2 days	05:00 — 06:42 UA2367 United Airlines Denver — San Francisco 15h 10m stop 23:00 — 06:55 UA863 United Airlines San Francisco — Sydney	32h 47m including layover	Find flight from$881
07:45 — 08:20 +2 days	17:40 — 22:52 AC1038 Air Canada Denver — Toronto 5h 54m stop 18:40 — 09:35 AC33 Air Canada Toronto — Sydney	31h 35m including layover	Find flight from$906
07:52 — 08:20 +2 days	07:50 — 09:51 AC3236 Air Canada Denver — Vancouver 12h 49m stop 22:40 — 07:20 AC33 Air Canada Vancouver — Sydney	31h 28m including layover	Find flight from$899
08:02 — 08:00 +2 days	07:52 — 09:25 UA1638 United Airlines Denver — Los Angeles 13h 13m stop 22:50 — 07:00 UA839 United Airlines Los Angeles — Sydney	30h 58m including layover	Find flight from$811
08:02 — 07:55 +2 days	07:45 — 09:32 UA2391 United Airlines Denver — San Francisco 13h 16m stop 22:55 — 09:15 UA863 United Airlines San Francisco — Sydney	30h 53m including layover	Find flight from$881
09:42 — 07:30 +2 days	08:25 — 10:02 F92341 Frontier Airlines Denver — Los Angeles 11h 51m stop 23:10 — 07:30 QF12 Qantas Los Angeles — Sydney	29h 48m including layover	Find flight from$664
09:42 — 06:05 +2 days	09:42 — 11:21 F94917 Frontier Airlines Denver — San Francisco 10h 39m stop 22:00 — 06:05 QF74 Qantas San Francisco — Sydney	28h 23m including layover	Find flight from$878
10:09 — 06:55 +2 days	10:09 — 11:51 UA1572 United Airlines Denver — San Francisco 11h 9m stop 23:00 — 06:55 UA863 United Airlines San Francisco — Sydney	28h 46m including layover	Find flight from$885
10:15 — 08:00 +2 days	09:59 — 11:35 UA405 United Airlines Denver — Los Angeles 11h stop 22:40 — 09:05 UA839 United Airlines Los Angeles — Sydney	28h 45m including layover	Find flight from$805
11:51 — 07:30 +2 days	11:51 — 13:34 AS6370 Alaska Airlines Denver — Los Angeles 8h 36m stop 22:10 — 07:30 QF12 Qantas Los Angeles — Sydney	26h 39m including layover	Find flight from$736
11:51 — 07:30 +2 days	11:40 — 13:28 QF4495 Qantas Denver — Los Angeles 8h 36m stop 23:10 — 07:30 QF12 Qantas Los Angeles — Sydney	26h 39m including layover	Find flight from$795
12:58 — 07:05 +2 days	12:58 — 14:34 QF3001 Qantas Denver — Los Angeles 8h 16m stop 22:50 — 07:05 QF4112 Qantas Los Angeles — Sydney	26h 7m including layover	Find flight from$1071
12:58 — 07:05 +2 days	12:58 — 14:34 AS6312 Alaska Airlines Denver — Los Angeles 8h 16m stop 22:50 — 07:05 AS6973 Alaska Airlines Los Angeles — Sydney	26h 7m including layover	Find flight from$1078
13:25 — 07:00 +2 days	13:25 — 14:58 UA2359 United Airlines Denver — Los Angeles 7h 52m stop 22:50 — 07:00 UA839 United Airlines Los Angeles — Sydney	25h 35m including layover	Find flight from$879
13:30 — 07:55 +2 days	13:45 — 15:34 UA1812 United Airlines Denver — San Francisco 7h 48m stop 22:55 — 09:15 UA863 United Airlines San Francisco — Sydney	25h 25m including layover	Find flight from$875
14:01 — 07:20 +2 days	11:47 — 13:58 AC5667 Air Canada Denver — Vancouver 6h 40m stop 22:40 — 09:35 AC33 Air Canada Vancouver — Sydney	25h 19m including layover	Find flight from$907
16:00 — 06:55 +2 days	16:00 — 17:50 UA2633 United Airlines Denver — San Francisco 5h 20m stop 23:00 — 06:55 UA863 United Airlines San Francisco — Sydney	22h 55m including layover	Find flight from$875
16:19 — 08:20 +2 days	15:51 — 18:03 AC3215 Air Canada Denver — Vancouver 4h 22m stop 22:40 — 09:35 AC33 Air Canada Vancouver — Sydney	23h 1m including layover	Find flight from$899
17:42 — 07:30 +2 days	06:00 — 07:36 QF3138 Qantas Denver — Los Angeles 2h 48m stop 23:10 — 07:30 QF12 Qantas Los Angeles — Sydney	20h 48m including layover	Find flight from$795
17:59 — 07:05 +2 days	17:59 — 19:47 AS4649 Alaska Airlines Denver — Los Angeles 3h 28m stop 23:15 — 07:05 AS6973 Alaska Airlines Los Angeles — Sydney	21h 6m including layover	Find flight from$812
18:07 — 07:05 +2 days	16:30 — 18:06 QF3078 Qantas Denver — Los Angeles 2h 54m stop 22:50 — 07:05 QF4112 Qantas Los Angeles — Sydney	20h 58m including layover	Find flight from$868
18:07 — 07:05 +2 days	16:30 — 18:06 AS6319 Alaska Airlines Denver — Los Angeles 2h 54m stop 22:50 — 07:05 AS6973 Alaska Airlines Los Angeles — Sydney	20h 58m including layover	Find flight from$908
20:00 — 08:00 +2 days	19:25 — 20:58 UA1368 United Airlines Denver — Los Angeles 1h 16m stop 22:50 — 07:00 UA839 United Airlines Los Angeles — Sydney	19h including layover	Find flight from$805
20:57 — 07:30 +3 days	20:57 — 22:31 QF4448 Qantas Denver — Los Angeles 23h 39m stop 22:10 — 07:30 QF12 Qantas Los Angeles — Sydney	41h 33m including layover	Find flight from$801
21:24 — 06:55 +3 days	21:24 — 23:10 UA2689 United Airlines Denver — San Francisco 23h 50m stop 23:00 — 06:55 UA863 United Airlines San Francisco — Sydney	41h 31m including layover	Find flight from$887
21:36 — 06:05 +3 days	21:36 — 23:34 F91093 Frontier Airlines Denver — San Francisco 22h 35m stop 22:00 — 06:05 QF74 Qantas San Francisco — Sydney	40h 29m including layover	Find flight from$848
22:29 — 06:05 +3 days	22:16 — 00:09 F93439 Frontier Airlines Denver — San Francisco 21h 41m stop 22:00 — 06:05 QF74 Qantas San Francisco — Sydney	39h 36m including layover	Find flight from$1045
22:55 — 07:30 +3 days	22:55 — 00:32 F94345 Frontier Airlines Denver — Los Angeles 22h 43m stop 23:10 — 07:30 QF12 Qantas Los Angeles — Sydney	40h 35m including layover	Find flight from$607

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 1, 2025

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 00:23 to 23:59 from 2 Denver airports and arrive 00:23 to 23:59 to 5 Sydney airports. Average flight time is 33h 20m.

The fastest flight 18h 45m
Average flight time 33h 20m
The earliest flight 00:23
The latest flight 23:59
Distance 8354 ml

The cheapest months to travel to Sydney are august (from 502 $), july (from 569 $), june (from 614 $).

The most expensive months are january (from 1 491 $), november (from 1 163 $), december (from 1 058 $).

What is the lowest airfare Denver to Sydney?

The cheapest plane ticket found by our users is $502. This airfare is for economy class on one-way F91324 flight by Frontier Airlines for July 5, 2025 which leaves Denver International in Denver at 06:30 am and arrives at Sydney Kingsford Smith at 11:45.

Economy class

$502

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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 29 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Philippine Airlines - 2 departures per week at the price of from $ 758 . And the most expensive tickets are offered by Air Canada airline - from $ 21655.

Direct flights

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

Connecting Flights

There are 979 flights with layovers on the route. The fastest connecting flight is AS4711 by Alaska Airlines takes 18h 45m and the cheapest is F91324 by Frontier Airlines for $502.

PR - Philippine Airlines

from $758

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JL - Japan Airlines - JAL

from $1492

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FI - Icelandair

from $1740

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FJ - Air Pacific

from $626

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UA - United Airlines

from $805

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NZ - Air New Zealand Limited

from $1032

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LX - SWISS International Air Lines

from $1323

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QF - Qantas

from $795

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WS - WestJet

from $1039

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SQ - Singapore Airlines

from $1726

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CA - Air China Limited

from $1808

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QR - Qatar Airways

from $1338

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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 $502
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Arapahoe Co-APA

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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

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Sydney West-SWZ

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Airplanes

There are flights to Sydney from Denver by 29 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Denver

You may also consider searching for discounted plane tickets to some other popular places from Denver within United States.

Denver — Las Vegas

from $70

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Denver — Phoenix

from $59

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Denver — Boston

from $68

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Denver — Seattle

from $75

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Denver — Orlando

from $74

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Denver — Chicago

from $66

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Denver — Miami

from $68

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Denver — Tampa

from $57

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Denver — Los Angeles

from $17

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Denver — Houston

from $67

Find

Top International Destinations from Denver

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Denver — Cancun

from $66

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Denver — London

from $63

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Denver — Tokyo

from $75

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Denver — Vancouver

from $60

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Denver — Toronto

from $60

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Denver — Paris

from $75

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Denver — Mexico City

from $66

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Denver — Calgary

from $68

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Denver — Dublin

from $69

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Denver — San Jose

from $72

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How to book a plane 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.
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