DEN - SYD

$760 Find Cheap Flights from Denver to Sydney – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,308
Typical prices: $1,699-$2,483
Multiple Airlines
Fri 7/12Sat 15/12
DEN - SYD • 2 stops
Cheapest one-way flight
$760
Typical prices: $1,109-$1,605
Multiple Airlines
Fri 23/2
DEN - SYD • 2 stops
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
17 weeks
in advance
Our data shows that travellers who book at least 17 weeks in advance save around 38% compared to booking last minute.
Insights
Insights
When to travel
May
Cheapest • 16% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Los Angeles (LAX)
Cheapest • Avg $2,048 (return)
San Francisco (SFO)
Shortest trip • 18h 50m (one-way)
Insights
Insights
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We hope you enjoy your trip to Sydney!
Flight Deals
Booking Insights
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

Mon, 7 Dec - Tue, 15 Dec
Multiple Airlines Logo
09:12 - 12:35DEN  Denver Intl-SYD Sydney Kingsford Smith
33h 23m2 stops Los Angeles Nadi
Multiple Airlines Logo
06:00 - 19:45SYD  Sydney Kingsford Smith-DEN Denver Intl
31h 45m2 stops Nadi Los Angeles
$1,308Multiple Airlines
3+ days ago
Wed, 3 Feb - Thu, 18 Feb
Multiple Airlines Logo
14:22 - 06:25DEN  Denver Intl-SYD Sydney Kingsford Smith
22h 03m1 stop Los Angeles
Multiple Airlines Logo
14:00 - 20:19SYD  Sydney Kingsford Smith-DEN Denver Intl
24h 19m2 stops Nadi Los Angeles
$1,389Multiple Airlines
3+ days ago
Tue, 23 Feb - Fri, 26 Feb
Multiple Airlines Logo
09:20 - 06:25DEN  Denver Intl-SYD Sydney Kingsford Smith
27h 05m1 stop Los Angeles
Multiple Airlines Logo
14:00 - 20:19SYD  Sydney Kingsford Smith-DEN Denver Intl
24h 19m2 stops Nadi Los Angeles
$1,391Multiple Airlines
22 hours ago
Wed, 3 Feb - Thu, 18 Feb
Multiple Airlines Logo
22:29 - 06:25DEN  Denver Intl-SYD Sydney Kingsford Smith
37h 56m1 stop Los Angeles
Multiple Airlines Logo
14:00 - 09:31SYD  Sydney Kingsford Smith-DEN Denver Intl
37h 31m2 stops Nadi Los Angeles
$1,391Multiple Airlines
3+ days ago
Tue, 1 Dec - Sat, 5 Dec
Multiple Airlines Logo
09:50 - 09:00DEN  Denver Intl-SYD Sydney Kingsford Smith
29h 10m1 stop Los Angeles
Multiple Airlines Logo
07:05 - 15:14SYD  Sydney Kingsford Smith-DEN Denver Intl
26h 09m2 stops Auckland Intl Los Angeles
$1,412Multiple Airlines
2 days ago
Tue, 2 Feb - Thu, 18 Feb
Multiple Airlines Logo
22:29 - 06:25DEN  Denver Intl-SYD Sydney Kingsford Smith
37h 56m1 stop Los Angeles
Multiple Airlines Logo
14:00 - 20:19SYD  Sydney Kingsford Smith-DEN Denver Intl
24h 19m2 stops Nadi Los Angeles
$1,412Multiple Airlines
6 hours ago
Tue, 2 Feb - Tue, 9 Feb
Multiple Airlines Logo
14:22 - 06:25DEN  Denver Intl-SYD Sydney Kingsford Smith
22h 03m1 stop Los Angeles
Multiple Airlines Logo
14:00 - 09:31SYD  Sydney Kingsford Smith-DEN Denver Intl
37h 31m2 stops Nadi Los Angeles
$1,421Multiple Airlines
3+ days ago
Sat, 30 Jan - Wed, 24 Feb
Air Canada Logo
19:21 - 09:35DEN  Denver Intl-SYD Sydney Kingsford Smith
44h 14m2 stops Edmonton Vancouver Intl
Air Canada Logo
11:20 - 08:55SYD  Sydney Kingsford Smith-DEN Denver Intl
39h 35m2 stops Vancouver Intl Edmonton
$1,431Air Canada
3+ days ago
Wed, 20 Jan - Mon, 1 Feb
Qantas Airways Logo
13:50 - 09:00DEN  Denver Intl-SYD Sydney Kingsford Smith
25h 10m1 stop Los Angeles
Qantas Airways Logo
07:05 - 18:16SYD  Sydney Kingsford Smith-DEN Denver Intl
29h 11m2 stops Auckland Intl Los Angeles
$1,941Qantas Airways
3+ days ago
Wed, 20 Jan - Wed, 17 Feb
Qantas Airways Logo
13:50 - 09:00DEN  Denver Intl-SYD Sydney Kingsford Smith
25h 10m1 stop Los Angeles
Qantas Airways Logo
07:05 - 13:11SYD  Sydney Kingsford Smith-DEN Denver Intl
24h 06m2 stops Auckland Intl Los Angeles
$1,941Qantas Airways
3+ days ago
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 with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Denver to Sydney. It's 5% cheaper than the average day, while Thursday is the most expensive, with prices 16% higher.

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

•May is the cheapest month to fly from Denver to Sydney at $1,676 return.
•December ($2,554) and January ($2,331) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 52% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Denver to Sydney the cheapest?

Flights from Denver to Sydney are cheapest 17 weeks before departure. Booking in this window typically costs about 38% 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

September

Cheapest flight

$760
Beat the crowds with an average 34% drop in travellers.
The most popular month to fly with an average 61% increase in travellers.
One-way flight 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 answers about this route, including flight times, airports, airlines, and booking tips.

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

    Two cabin classes are available on flights from Denver to Sydney:

    • Economy class
    • Premium Economy Class

  • How long is a flight from Denver to Sydney?

    A direct flight from Denver to Sydney takes 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 much should I expect to pay for a Denver to Sydney flight?

    Return flights from Denver to Sydney range from $1,699 to $2,483, with an average of $2,004 over the past 12 months. Anything below $1,699 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 35% above the $2,004 route average. Book 17 weeks before departure for the lowest fares.

  • 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 $926, which is 26% below the typical average for this route.

  • 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 $58 for economy cars. Top options include:

    • East Coast Car Rentals
    • Bargain Car Rentals
    • YESDRIVE CAR RENTAL
    • No Birds
    • EverythingFleet

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

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

    • Los Angeles (LAX) – 65% of one-stop connections
    • Vancouver Intl (YVR) – 29% of one-stop connections
    • San Francisco (SFO) – 5% of one-stop connections
    • Dallas/Fort Worth (DFW) – 1% of one-stop connections

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

    Yes. Flexible dates can save you up to 19% on flights from Denver to Sydney. Wednesday is the cheapest departure day at $1,911 return on average, while Thursday is the most expensive at $2,334, a difference of $423.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • 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 50m, compared to 19h 54m via Los Angeles (LAX) and 20h 39m via Vancouver Intl (YVR).

  • What is the time difference between Denver and Sydney?

    Sydney is 17 hours ahead of Denver (Eastern Australia Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • 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.

  • 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.  

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 Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $1,911, about $423 less than Thursday fares (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 38% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Denver to Sydney trip for May. Fares historically average $1,676 return in that month – typically $878 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.

    • ibis budget Sydney Airport
    • Travelodge Hotel Sydney Airport
    • Rydges Sydney Airport Hotel
  • 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