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Cheap flights from Denver to Sydney from $1,040

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Sydney departing on 27/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Denver to Sydney.
 Logo
08:00 - 11:45DEN-SYD
35h 45m2 stops
 Logo
13:15 - 21:56SYD-DEN
24h 41m2 stops
$1,510
Find Deal
Tue, 20 May - Tue, 27 May
 Logo
06:30 - 11:45DEN-SYD
37h 15m2 stops
 Logo
06:15 - 21:55SYD-DEN
31h 40m2 stops
$1,563
Find Deal
Tue, 3 Jun - Tue, 10 Jun
Air New Zealand Logo
17:05 - 10:35DEN-SYD
25h 30m2 stops
Air New Zealand Logo
09:55 - 19:40SYD-DEN
25h 45m2 stops
$1,717Air New Zealand
Find Deal
Wed, 30 Jul - Wed, 20 Aug
Air New Zealand Logo
17:59 - 08:45DEN-SYD
22h 46m2 stops
Air New Zealand Logo
11:50 - 21:50SYD-DEN
26h 00m2 stops
$1,786Air New Zealand
Find Deal
Fri, 8 Aug - Sun, 17 Aug
Qantas Airways Logo
11:40 - 07:05DEN-SYD
27h 25m1 stop
Qantas Airways Logo
09:10 - 11:10SYD-DEN
18h 00m1 stop
$1,980Qantas Airways
Find Deal
Mon, 16 Jun - Mon, 23 Jun
Qantas Airways Logo
18:07 - 07:05DEN-SYD
20h 58m1 stop
Qantas Airways Logo
17:45 - 21:57SYD-DEN
20h 12m1 stop
$1,988Qantas Airways
Find Deal
Mon, 28 Jul - Tue, 19 Aug
American Airlines Logo
18:55 - 08:05DEN-SYD
20h 10m2 stops
American Airlines Logo
13:30 - 19:57SYD-DEN
23h 27m1 stop
$2,079American Airlines
Find Deal
Wed, 15 Oct - Wed, 29 Oct
American Airlines Logo
11:40 - 07:30DEN-SYD
27h 50m1 stop
American Airlines Logo
17:45 - 21:41SYD-DEN
19h 56m2 stops
$2,082American Airlines
Find Deal
Mon, 16 Jun - Tue, 8 Jul
United Airlines Logo
16:00 - 06:55DEN-SYD
22h 55m1 stop
United Airlines Logo
10:20 - 12:14SYD-DEN
17h 54m1 stop
$2,206United Airlines
Find Deal
Fri, 1 Aug - Sun, 17 Aug
United Airlines Logo
21:24 - 06:55DEN-SYD
41h 31m1 stop
United Airlines Logo
10:20 - 12:15SYD-DEN
17h 55m1 stop
$2,220United Airlines
Find Deal
Sat, 2 Aug - Sat, 23 Aug

Air New Zealand flights from Denver to Sydney

Our best Air New Zealand deals on Denver to Sydney flight tickets
Air New Zealand
30 July
DEN17:05Denver Intl
25h 30m
2 stops
SYD10:35Sydney Kingsford Smith
20 Aug
SYD09:55Sydney Kingsford Smith
25h 45m
2 stops
DEN19:40Denver Intl
Air New Zealand
8 Aug
DEN17:59Denver Intl
22h 46m
2 stops
SYD08:45Sydney Kingsford Smith
17 Aug
SYD11:50Sydney Kingsford Smith
26h 00m
2 stops
DEN21:50Denver Intl
Air New Zealand
10 Aug
DEN16:35Denver Intl
24h 10m
2 stops
SYD08:45Sydney Kingsford Smith
23 Aug
SYD09:55Sydney Kingsford Smith
25h 45m
2 stops
DEN19:40Denver Intl

Fiji Airways flights from Denver to Sydney

Our best Fiji Airways deals on Denver to Sydney flight tickets
Fiji Airways
10 May
DEN18:33Denver Intl
25h 12m
2 stops
SYD11:45Sydney Kingsford Smith
20 May
SYD13:15Sydney Kingsford Smith
23h 01m
2 stops
DEN20:16Denver Intl
Fiji Airways
29 July
DEN18:35Denver Intl
25h 10m
2 stops
SYD11:45Sydney Kingsford Smith
21 Aug
SYD13:15Sydney Kingsford Smith
22h 42m
2 stops
DEN19:57Denver Intl
Fiji Airways
7 Aug
DEN18:50Denver Intl
35h 20m
2 stops
SYD22:10Sydney Kingsford Smith
14 Aug
SYD06:15Sydney Kingsford Smith
29h 42m
2 stops
DEN19:57Denver Intl

See travel insights to Sydney from

How to get the cheapest flight ticket from Denver to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

The month of April is, on average, the cheapest month to fly to Sydney from Denver, with most prices found around $1,366. If you aren’t able to travel to Sydney during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,392.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Thursday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $0. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $2,425.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at midday. momondo users have found flights departing from Denver to Sydney at midday for as low as $1,470. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,191 on average. Flights to Sydney from Denver in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Denver when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,742 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Denver for as low as $1,461 on momondo.

How have Denver to Sydney flight prices changed over time?

As of April 2025, prices for Denver to Sydney flights are approximately 53% cheaper when compared to flights at the same time last year.

When to book flights from Denver to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Denver to Sydney (DEN to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Sydney

Best price found

$1,040

Fastest flight time

18h 45m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Denver in the past 72 hours is $1,040. The best return flight deal from Denver to Sydney found on momondo in the last 72 hours is $1,510.
The fastest flight from Denver to Sydney takes 18h 45m
There are no direct flights from Denver to Sydney. Popular non-direct route for this connection is Denver Intl Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Denver Intl to Sydney Kingsford Smith by plane?

    There are 13398.4 km between Denver Intl and Sydney Kingsford Smith. Flights usually cover this in 18h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Denver Intl Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Denver Intl Airport to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from Denver Intl Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Denver Intl Airport to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Denver to Sydney?


Best airlines flying from Denver to Sydney

Compare and see reviews for airlines that fly from Denver to Sydney with momondo
Airline
Rating
Free cancellation
Price
American AirlinesPriceFrom $1,011Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,289Free cancellationRating
7.5
822 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,966Free cancellationRating
7.4
8,669 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Katoomba
Lithgow
Penrith
Leura
Coogee
Manly
Cronulla
Bondi Beach
Randwick
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Sydney for you.

Can I find flights from Denver to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Denver which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Denver to Sydney?

Once you have performed a search for Denver to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Denver to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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