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Cheap flights from Denver to Sydney from $935

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 28/2. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:45 - 07:25DEN-SYD
25h 40m1 stop
Multiple Airlines Logo
11:20 - 18:28SYD-DEN
25h 08m1 stop
$1,605Multiple Airlines
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Tue, 18 Nov - Tue, 25 Nov
Multiple Airlines Logo
14:15 - 09:00DEN-SYD
24h 45m2 stops
Multiple Airlines Logo
11:20 - 18:28SYD-DEN
25h 08m1 stop
$1,619Multiple Airlines
Find Deal
Tue, 18 Nov - Tue, 25 Nov
Multiple Airlines Logo
07:10 - 07:25DEN-SYD
30h 15m1 stop
Multiple Airlines Logo
17:45 - 23:10SYD-DEN
23h 25m1 stop
$1,654Multiple Airlines
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Thu, 19 Feb - Sun, 1 Mar
Fiji Airways Logo
18:53 - 22:25DEN-SYD
34h 32m2 stops
Fiji Airways Logo
13:15 - 19:53SYD-DEN
22h 38m2 stops
$1,769Fiji Airways
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Thu, 2 Apr - Sat, 18 Apr
Air Canada Logo
19:05 - 09:35DEN-SYD
20h 30m1 stop
Air Canada Logo
11:20 - 16:53SYD-DEN
23h 33m2 stops
$1,772Air Canada
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Wed, 11 Feb - Wed, 25 Feb
Air Canada Logo
15:52 - 15:55DEN-SYD
30h 03m2 stops
Air Canada Logo
11:20 - 18:05SYD-DEN
24h 45m2 stops
$1,822Air Canada
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Wed, 11 Feb - Wed, 25 Feb
Fiji Airways Logo
18:52 - 11:45DEN-SYD
24h 53m2 stops
Fiji Airways Logo
06:00 - 19:53SYD-DEN
29h 53m2 stops
$1,857Fiji Airways
Find Deal
Tue, 14 Apr - Tue, 21 Apr
ANA Logo
11:45 - 10:30DEN-SYD
28h 45m2 stops
ANA Logo
12:25 - 18:19SYD-DEN
46h 54m2 stops
$1,859ANA
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Wed, 4 Mar - Wed, 11 Mar
ANA Logo
11:45 - 20:15DEN-SYD
38h 30m2 stops
ANA Logo
12:25 - 17:57SYD-DEN
46h 32m2 stops
$1,967ANA
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Sun, 1 Mar - Mon, 9 Mar
Qantas Airways Logo
20:04 - 09:00DEN-SYD
18h 56m1 stop
Qantas Airways Logo
17:45 - 19:20SYD-DEN
18h 35m1 stop
$1,984Qantas Airways
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Sun, 1 Mar - Tue, 10 Mar

Fiji Airways flights from Denver to Sydney

Our best Fiji Airways deals on Denver to Sydney flight tickets
Fiji Airways
2 Apr
DEN18:53Denver Intl
34h 32m
2 stops
SYD22:25Sydney Kingsford Smith
18 Apr
SYD13:15Sydney Kingsford Smith
22h 38m
2 stops
DEN19:53Denver Intl
$1,769
Find similar
Fiji Airways
14 Apr
DEN18:52Denver Intl
24h 53m
2 stops
SYD11:45Sydney Kingsford Smith
21 Apr
SYD06:00Sydney Kingsford Smith
29h 53m
2 stops
DEN19:53Denver Intl
$1,857
Find similar

Air Canada flights from Denver to Sydney

Our best Air Canada deals on Denver to Sydney flight tickets
Air Canada
11 Feb
DEN19:05Denver Intl
20h 30m
1 stop
SYD09:35Sydney Kingsford Smith
25 Feb
SYD11:20Sydney Kingsford Smith
23h 33m
2 stops
DEN16:53Denver Intl
$1,772
Find similar
Air Canada
11 Feb
DEN15:52Denver Intl
30h 03m
2 stops
SYD15:55Sydney Kingsford Smith
25 Feb
SYD11:20Sydney Kingsford Smith
24h 45m
2 stops
DEN18:05Denver Intl
$1,822
Find similar
Air Canada
8 Apr
DEN11:20Denver Intl
28h 00m
2 stops
SYD07:20Sydney Kingsford Smith
1 May
SYD09:20Sydney Kingsford Smith
24h 44m
2 stops
DEN18:04Denver Intl
$1,833
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momondo Fare Finder

 
Customise your flight search to find flights from Denver to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 2 November 2025.
Use the filters below to find and compare flights from Denver to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 18/11

11:45-07:25

1 stop25h 40m

Sydney Kingsford Smith

Tue 25/11

11:20-18:28

1 stop25h 08m

$1,605

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 18/11

14:15-09:00

2 stops24h 45m

Sydney Kingsford Smith

Tue 25/11

11:20-18:28

1 stop25h 08m

$1,619

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 19/2

07:10-07:25

1 stop30h 15m

Sydney Kingsford Smith

Sun 1/3

17:45-23:10

1 stop23h 25m

$1,654

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 2/4

18:53-22:25

2 stops34h 32m

Sydney Kingsford Smith

Sat 18/4

13:15-19:53

2 stops22h 38m

$1,769

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 11/2

19:05-09:35

1 stop20h 30m

Sydney Kingsford Smith

Wed 25/2

11:20-16:53

2 stops23h 33m

$1,772

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 11/2

15:52-15:55

2 stops30h 03m

Sydney Kingsford Smith

Wed 25/2

11:20-18:05

2 stops24h 45m

$1,822

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 14/4

18:52-11:45

2 stops24h 53m

Sydney Kingsford Smith

Tue 21/4

06:00-19:53

2 stops29h 53m

$1,857

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/3

11:45-10:30

2 stops28h 45m

Sydney Kingsford Smith

Wed 11/3

12:25-18:19

2 stops46h 54m

$1,859

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 1/3

11:45-20:15

2 stops38h 30m

Sydney Kingsford Smith

Mon 9/3

12:25-17:57

2 stops46h 32m

$1,967

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 1/3

20:04-09:00

1 stop18h 56m

Sydney Kingsford Smith

Tue 10/3

17:45-19:20

1 stop18h 35m

$1,984

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 May is, on average, the cheapest month to fly to Sydney from Denver, with most prices found around $1,320. If you aren’t able to travel to Sydney during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,321.

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

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,739. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $2,362.

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 $1,432. 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 $2,134 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 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,653 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Denver for as low as $1,419 on momondo.

Can stopping save me money on Denver to Sydney flights?

You could potentially save up to 28% on your flight if you consider stops on a Denver to Sydney flight.

How have Denver to Sydney flight prices changed over time?

As of November 2025, prices for Denver to Sydney flights are approximately 25% 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

Direct flights

None
There are no direct flights from Denver to Sydney. There are no popular flight routes from Denver to Sydney.
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  • 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 56m, 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 $305Free cancellationRating
7.2
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $472Free cancellationRating
7.4
8,993 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,256Free cancellationRating
7.5
926 reviews
Search Qantas Airways flights

Travelling to a place near Sydney?

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