DEN - SYD

$711 Find Cheap Flights from Denver to Sydney – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,528
Typical prices: $1,671-$2,319
Multiple Airlines
Fri 19/10Fri 26/10
DEN - SYD • 2 stops
Cheapest one-way flight
$711
Typical prices: $1,096-$1,595
Multiple Airlines
Wed 31/10
DEN - SYD • 1 stop
Direct flights
Not available
There are currently no direct flights between Denver and Sydney. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
14 weeks
in advance
Our data shows that travellers who book at least 14 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 15% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Los Angeles Los Angeles (LAX)
Cheapest • Avg $2,034 (return)
San Francisco (SFO)
Shortest trip • 18h 51m (one-way)
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Insights
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We hope you enjoy your trip to Sydney!
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Flight Deals

Cheap Flights from Denver to Sydney (DEN-SYD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Denver to Sydney

Tue, 27 Oct - Tue, 3 Nov
Multiple Airlines Logo
13:10 - 21:50DEN  Denver Intl-SYD Sydney Kingsford Smith
39h 40m2 stops Los Angeles Los Angeles Auckland Intl
Multiple Airlines Logo
09:55 - 17:35SYD  Sydney Kingsford Smith-DEN Denver Intl
25h 40m2 stops Auckland Intl Los Angeles Los Angeles
$1,518Multiple Airlines
Mon, 19 Oct - Mon, 26 Oct
Multiple Airlines Logo
13:10 - 12:50DEN  Denver Intl-SYD Sydney Kingsford Smith
30h 40m2 stops Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:00 - 09:09SYD  Sydney Kingsford Smith-DEN Denver Intl
36h 09m3 stops Nadi Los Angeles Los Angeles Phoenix Sky Harbor Intl
$1,528Multiple Airlines
Mon, 19 Oct - Mon, 26 Oct
Multiple Airlines Logo
13:10 - 12:50DEN  Denver Intl-SYD Sydney Kingsford Smith
30h 40m2 stops Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:00 - 23:43SYD  Sydney Kingsford Smith-DEN Denver Intl
26h 43m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl
$1,559Multiple Airlines
Wed, 28 Oct - Wed, 4 Nov
Multiple Airlines Logo
13:10 - 12:35DEN  Denver Intl-SYD Sydney Kingsford Smith
30h 25m2 stops Los Angeles Los Angeles Nadi
Multiple Airlines Logo
14:00 - 23:49SYD  Sydney Kingsford Smith-DEN Denver Intl
27h 49m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl
$1,576Multiple Airlines
Tue, 2 Feb - Tue, 16 Feb
Air New Zealand Logo
13:25 - 08:35DEN  Denver Intl-SYD Sydney Kingsford Smith
25h 10m2 stops San Francisco Auckland Intl
Air New Zealand Logo
09:55 - 17:50SYD  Sydney Kingsford Smith-DEN Denver Intl
25h 55m2 stops Auckland Intl Los Angeles Los Angeles
$1,598Air New Zealand
Mon, 1 Feb - Wed, 10 Feb
Air New Zealand Logo
13:29 - 08:35DEN  Denver Intl-SYD Sydney Kingsford Smith
25h 06m2 stops Los Angeles Los Angeles Auckland Intl
Air New Zealand Logo
09:55 - 18:18SYD  Sydney Kingsford Smith-DEN Denver Intl
26h 23m2 stops Auckland Intl San Francisco
$1,598Air New Zealand
Tue, 23 Feb - Tue, 16 Mar
Air New Zealand Logo
07:45 - 08:35DEN  Denver Intl-SYD Sydney Kingsford Smith
30h 50m2 stops San Francisco Auckland Intl
Air New Zealand Logo
11:50 - 18:18SYD  Sydney Kingsford Smith-DEN Denver Intl
23h 28m2 stops Auckland Intl San Francisco
$1,598Air New Zealand
Mon, 26 Oct - Wed, 11 Nov
Air New Zealand Logo
16:05 - 10:35DEN  Denver Intl-SYD Sydney Kingsford Smith
25h 30m2 stops Los Angeles Los Angeles Auckland Intl
Air New Zealand Logo
09:55 - 18:00SYD  Sydney Kingsford Smith-DEN Denver Intl
26h 05m2 stops Auckland Intl San Francisco
$1,598Air New Zealand
Fri, 20 Nov - Tue, 15 Dec
Qantas Airways Logo
18:51 - 09:00DEN  Denver Intl-SYD Sydney Kingsford Smith
20h 09m1 stop Los Angeles Los Angeles
Qantas Airways Logo
11:15 - 11:44SYD  Sydney Kingsford Smith-DEN Denver Intl
18h 29m1 stop Los Angeles Los Angeles
$2,032Qantas Airways
Tue, 17 Nov - Tue, 1 Dec
Qantas Airways Logo
07:09 - 06:25DEN  Denver Intl-SYD Sydney Kingsford Smith
29h 16m1 stop Los Angeles Los Angeles
Qantas Airways Logo
11:10 - 18:21SYD  Sydney Kingsford Smith-DEN Denver Intl
25h 11m1 stop Los Angeles Los Angeles
$2,303Qantas Airways
Booking Insights

Price, demand, and travel trends for Denver to Sydney flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Denver to Sydney with more confidence.

What's the cheapest day of the week to fly from Denver to Sydney?

Sunday is the cheapest day of the week to fly from Denver to Sydney and is 8% cheaper than the average day. Thursday is the most expensive day with flight prices 11% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Denver to Sydney?

•April and May are the cheapest months to fly from Denver to Sydney at $1,661 return.
•December ($2,524) and January ($2,240) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 51% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Denver to Sydney the cheapest?

Flights from Denver to Sydney are cheapest 14 weeks before departure. Booking in this window typically costs about 34% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Denver to Sydney flights

Low season

August

Cheapest flight

$711
Best time to beat the crowds but there is an average 2% increase in price.
Flights from Denver to Sydney

When to book flights from Denver to Sydney

Are your dates flexible? Find out the best times to travel from Denver to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Denver to Sydney flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Where can I freshen up after my flight to Sydney Airport?

    If you are heading straight to a meeting or just need to freshen up after the flight, you'll find public bathrooms and shower facilities at Sydney Airport (SYD). Head to the international terminal for shower facilities. You'll find them between Mcdonald's and Amcal on Level 2 in T1. Entrance to the showers is chargeable. There are toilets on all three levels of the airport, and the bathrooms usually close at 22:00 and open again at 06:00 each day.

  • What facilities does the airport offer for business travellers?

    As Sydney is regarded as the business hub of Australia, there are many travellers that head to Sydney on business. The airport provides support for these travellers by offering modern meeting and conference rooms at T1 International, fitted with audio-visual equipment for productive meetings. The Kingsford Smith Suite, on Level 3, can be set up for 150 people sitting or standing, so feel free to host presentations or corporate functions here.  

  • Which airports can I use when flying from Denver to Sydney?

    Flights from Denver to Sydney usually depart from Denver Intl (DEN) and arrive at Sydney Kingsford Smith (SYD).

  • Which cabin classes can I book on flights from Denver to Sydney?

    Only Economy class is available on flights from Denver to Sydney.

  • Which airports do connecting flights from Denver to Sydney pass through?

    One-stop flights from Denver to Sydney most commonly connect through:

    • Los Angeles Los Angeles (LAX) – 67% of one-stop connections
    • Vancouver Intl (YVR) – 27% of one-stop connections
    • San Francisco (SFO) – 5% of one-stop connections
    • Dallas/Fort Worth (DFW) – 1% of one-stop connections

    Los Angeles Los Angeles (LAX) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Denver to Sydney?

    On the Denver to Sydney route, being flexible with your departure day can save you up to 18%. Sunday is the cheapest day at $1,810 return on average, while Thursday is the most expensive at $2,191 – a $381 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Star Casino, and Capitol Theatre. These are among the most viewed places in Sydney on KAYAK.

  • How expensive are last-minute Denver to Sydney flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 36% above the route average of $1,961. Book 14 weeks before departure for the lowest fares.

  • How long is a flight from Denver to Sydney?

    A direct flight from Denver to Sydney takes 0h 00m, covering 21,620 km.

  • Do I need a passport to fly from Denver to Sydney?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Denver to Sydney looking right now?

    One-way fares from Denver to Sydney are currently lower than usual. Average one-way flight prices are about $877, which is 28% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Denver to Sydney?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time of 18h 51m, compared to 19h 47m via Los Angeles Los Angeles (LAX) and 20h 44m via Vancouver Intl (YVR).

  • What is the time difference between Denver and Sydney?

    Sydney is 16 hours ahead of Denver (Eastern Australia Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car hire companies, with daily rates starting from around $14 for economy cars. Top options include:
    • Bargain Car Rentals
    • East Coast Car Rentals
    • EverythingFleet
    • YESDRIVE CAR RENTAL
    • No Birds

  • How much should I expect to pay for a Denver to Sydney flight?

    Return flights from Denver to Sydney range from $1,671 to $2,319, with an average of $1,961 over the past 12 months. Anything below $1,671 counts as a good deal.

Your guide to booking Denver to Sydney flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure instead of Thursday. On this route, Sunday flights average $1,810 – about $381 less than Thursday (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 34% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Denver to Sydney trip for April. Fares historically average $1,661 return in that month – typically $862 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.
    - Travelodge Hotel Sydney Airport
    - Rydges Sydney Airport Hotel
    - ibis budget Sydney Airport
  • If you are travelling with young children and need to nurse before getting on your flight to Sydney, you'll find three nursing rooms located just past security at the centre of each concourse. They are open 24 hours a day and have comfortable seating, a changing table, a sink, charging ports and are wheelchair accessible.
  • Denver Airport (DEN) is concerned about eco-travel and has implemented a service that lends to a healthy planet. Along with their robust recycling programs, they have installed water-bottle refill stations throughout the airport, in the hope that fewer plastic bottles will be bought and used only once.
  • A special feature of Denver Airport is the CATS therapy squad. This is a group of volunteers that walk around the airport with their friendly furry friends for about 2 hours at a time, letting passengers pet and interact with the animals. Interacting with a dog or cat is proving to decrease stress levels and increase mental well-being in what can be a stressful environment.

More options for your flight from Denver to Sydney

Complete your trip to Sydney with a hotel stay or car hire

Car hire in Sydney
Hotels in Sydney
Holidays in Sydney