Cheap Flights from Denver, CO to Sydney from $618

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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 $618, 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: $618 (one-way), $1060 (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 $618. Take a look at the list of flights with layovers from Denver to Sydney from $618. There’re no direct flights. The fastest connecting flight – 18h 45m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $595 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 $722 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 $492 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 $602 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

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 13, 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
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$795
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$795
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$651
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$789
11:28 — 08:00 +2 days	11:16 — 12:49 UA1013 United Airlines Denver — Los Angeles 9h 47m stop 22:50 — 07:00 UA839 United Airlines Los Angeles — Sydney	27h 32m including layover	Find flight from$789
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$722
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$780
11:58 — 07:05 +2 days	11:40 — 13:28 AS6370 Alaska Airlines Denver — Los Angeles 9h 38m stop 22:55 — 07:05 AS6973 Alaska Airlines Los Angeles — Sydney	27h 7m including layover	Find flight from$796
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$780
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$796
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$851
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$789
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$786
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$832
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$595

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

*Departure and arrival times - local. Updated on September 13, 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

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 $ 744 . And the most expensive tickets are offered by Air Canada airline - from $ 21237.

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.

PR - Philippine Airlines

from $744

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JL - Japan Airlines - JAL

from $1463

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FI - Icelandair

from $1706

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FJ - Air Pacific

from $614

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UA - United Airlines

from $789

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NZ - Air New Zealand Limited

from $1012

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LX - SWISS International Air Lines

from $1297

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QF - Qantas

from $780

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WS - WestJet

from $1019

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SQ - Singapore Airlines

from $1693

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CA - Air China Limited

from $1773

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QR - Qatar Airways

from $1312

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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 $492
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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

Find
Denver — Calgary

from $68

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Denver — Dublin

from $69

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Denver — San Jose

from $72

Find

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.
To find a plane ticket, please select dates.