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Cheap flights from Denver to Sydney from $480

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 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 11:50 am
DEN
-
SYD
36h 50m
2 stops
Multiple Airlines Logo
1:15 pm - 8:06 pm
SYD
-
DEN
22h 51m
2 stops
$978Multiple Airlines
Thu, May 14 - Thu, May 21
Multiple Airlines Logo
10:00 am - 11:50 am
DEN
-
SYD
33h 50m
3 stops
Multiple Airlines Logo
1:15 pm - 12:38 am
SYD
-
DEN
27h 23m
2 stops
$1,014Multiple Airlines
Thu, May 14 - Thu, May 21
Multiple Airlines Logo
7:00 am - 11:50 am
DEN
-
SYD
36h 50m
2 stops
Multiple Airlines Logo
1:15 pm - 12:40 am
SYD
-
DEN
27h 25m
2 stops
$1,065Multiple Airlines
Thu, Jul 2 - Sat, Jul 25
Multiple Airlines Logo
10:00 am - 11:50 am
DEN
-
SYD
33h 50m
3 stops
Multiple Airlines Logo
1:15 pm - 4:43 pm
SYD
-
DEN
43h 28m
3 stops
$1,087Multiple Airlines
Thu, May 14 - Thu, May 21
Multiple Airlines Logo
7:00 am - 11:50 am
DEN
-
SYD
36h 50m
2 stops
Multiple Airlines Logo
1:15 pm - 12:40 am
SYD
-
DEN
27h 25m
2 stops
$1,105Multiple Airlines
Fri, Jul 3 - Sat, Jul 11
Multiple Airlines Logo
10:39 pm - 11:50 am
DEN
-
SYD
45h 11m
2 stops
Multiple Airlines Logo
5:50 pm - 10:04 am
SYD
-
DEN
32h 14m
1 stop
$1,142Multiple Airlines
Wed, May 13 - Tue, May 19
Multiple Airlines Logo
6:00 am - 11:50 am
DEN
-
SYD
37h 50m
2 stops
Multiple Airlines Logo
5:50 pm - 10:04 am
SYD
-
DEN
32h 14m
1 stop
$1,151Multiple Airlines
Mon, May 4 - Wed, May 20
Multiple Airlines Logo
10:00 am - 7:25 pm
DEN
-
SYD
41h 25m
3 stops
Multiple Airlines Logo
9:00 am - 12:38 am
SYD
-
DEN
31h 38m
2 stops
$1,196Multiple Airlines
Fri, May 15 - Fri, May 22
Multiple Airlines Logo
7:20 am - 11:50 am
DEN
-
SYD
36h 30m
2 stops
Multiple Airlines Logo
5:50 pm - 10:04 am
SYD
-
DEN
32h 14m
1 stop
$1,206Multiple Airlines
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
5:05 am - 11:50 am
DEN
-
SYD
38h 45m
2 stops
Multiple Airlines Logo
5:50 pm - 8:06 pm
SYD
-
DEN
18h 16m
1 stop
$1,210Multiple Airlines
Thu, May 14 - Thu, May 21

Air New Zealand flights from Denver to Sydney

Our best Air New Zealand deals on Denver to Sydney flight tickets
Air New Zealand
Apr 29
DEN5:57 pmDenver Intl
20h 58m
1 stop
SYD6:55 amSydney Kingsford Smith
May 20
SYD11:55 amSydney Kingsford Smith
24h 21m
2 stops
DEN8:16 pmDenver Intl
$1,742
Air New Zealand
Apr 26
DEN4:34 pmDenver Intl
24h 11m
2 stops
SYD8:45 amSydney Kingsford Smith
May 10
SYD10:20 amSydney Kingsford Smith
17h 58m
1 stop
DEN12:18 pmDenver Intl
$1,749
Air New Zealand
Apr 26
DEN4:00 pmDenver Intl
24h 45m
2 stops
SYD8:45 amSydney Kingsford Smith
May 10
SYD10:20 amSydney Kingsford Smith
17h 58m
1 stop
DEN12:18 pmDenver Intl
$1,750

Turkish Airlines flights from Denver to Sydney

Our best Turkish Airlines deals on Denver to Sydney flight tickets
Turkish Airlines
May 2
DEN8:25 pmDenver Intl
54h 45m
2 stops
SYD7:10 pmSydney Kingsford Smith
May 6
SYD9:05 pmSydney Kingsford Smith
37h 20m
2 stops
DEN6:25 pmDenver Intl
$1,642
Turkish Airlines
May 2
DEN8:25 pmDenver Intl
54h 45m
2 stops
SYD7:10 pmSydney Kingsford Smith
May 22
SYD9:05 pmSydney Kingsford Smith
37h 20m
2 stops
DEN6:25 pmDenver Intl
$1,661

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated April 18, 2026.
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

Cheapest round-trip

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 5/14

7:00 am-11:50 am

2 stops36h 50m

Sydney Kingsford Smith

Thu 5/21

1:15 pm-8:06 pm

2 stops22h 51m

$978

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 5/14

10:00 am-11:50 am

3 stops33h 50m

Sydney Kingsford Smith

Thu 5/21

1:15 pm-12:38 am

2 stops27h 23m

$1,014

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 7/2

7:00 am-11:50 am

2 stops36h 50m

Sydney Kingsford Smith

Sat 7/25

1:15 pm-12:40 am

2 stops27h 25m

$1,065

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 5/14

10:00 am-11:50 am

3 stops33h 50m

Sydney Kingsford Smith

Thu 5/21

1:15 pm-4:43 pm

3 stops43h 28m

$1,087

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 7/3

7:00 am-11:50 am

2 stops36h 50m

Sydney Kingsford Smith

Sat 7/11

1:15 pm-12:40 am

2 stops27h 25m

$1,105

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 5/13

10:39 pm-11:50 am

2 stops45h 11m

Sydney Kingsford Smith

Tue 5/19

5:50 pm-10:04 am

1 stop32h 14m

$1,142

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 5/4

6:00 am-11:50 am

2 stops37h 50m

Sydney Kingsford Smith

Wed 5/20

5:50 pm-10:04 am

1 stop32h 14m

$1,151

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 5/15

10:00 am-7:25 pm

3 stops41h 25m

Sydney Kingsford Smith

Fri 5/22

9:00 am-12:38 am

2 stops31h 38m

$1,196

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 5/13

7:20 am-11:50 am

2 stops36h 30m

Sydney Kingsford Smith

Wed 5/20

5:50 pm-10:04 am

1 stop32h 14m

$1,206
Quickest round-trip

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 5/14

5:05 am-11:50 am

2 stops38h 45m

Sydney Kingsford Smith

Thu 5/21

5:50 pm-8:06 pm

1 stop18h 16m

$1,210

Flights are sorted by cheapest round-trip 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 typical price of a round-trip flight between Denver and Sydney?

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from Denver to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,183. If you are unable to visit Sydney during the month of April, then departing from Denver during the month March is also very affordable. Most momondo users find prices during this month for around $1,238.

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 $1,360 when searching 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 $1,160 on momondo.

Can stopping save me money on Denver to Sydney flights?

You could potentially save up to 23% 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 April 2026, prices for Denver to Sydney flights are approximately 1% more expensive 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 round-trip 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

Fastest flight time

19h 55m

Direct flights

None
The fastest flight from Denver to Sydney takes 19h 55m
There are no direct flights from Denver to Sydney. There are no popular flight routes from Denver to Sydney.
Search flight deals

Frequently asked questions about flying from Denver to Sydney

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

    Denver Intl and Sydney Kingsford Smith are 8325.4 mi apart from one another. A reasonable flight in good conditions will take 19h 55m.

  • 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 are updated 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
DeltaPriceFrom $243Free CancellationRating
7.9
8,424 reviews
Search Delta flights
Fiji AirwaysPriceFrom $684Free CancellationRating
8.1
240 reviews
Search Fiji Airways flights
Alaska AirlinesPriceFrom $745Free CancellationRating
7.9
12,258 reviews
Search Alaska Airlines flights
Qantas AirwaysPriceFrom $800Free CancellationRating
7.5
1,019 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $853Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights
American AirlinesPriceFrom $874Free CancellationRating
7.1
11,602 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,009Free CancellationRating
7.1
10,935 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,121Free CancellationRating
8.0
630 reviews
Search Air New Zealand flights

Traveling to a place near Sydney?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Denver.

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

Yes. momondo enables you to select and highlight flights to Sydney from Denver with this policy.

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?

If you are not ready to book a flight from Denver to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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