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DEN - SYD

$700 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
$1,391
Typical prices: $1,715-$2,380
Multiple Airlines
Wed 31/10Wed 7/11
DEN - SYD • 2 stops
Cheapest one-way flight
$700
Typical prices: $1,125-$1,637
Multiple Airlines
Sun 9/12
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 (LAX)
Cheapest • Avg $2,087 (return)
San Francisco (SFO)
Shortest trip • 18h 51m (one-way)
Insights
Insights
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We hope you enjoy your trip to Sydney!
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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

Sat, 31 Oct - Sat, 7 Nov
Multiple Airlines Logo
13:10 - 22:05DEN  Denver Intl-SYD Sydney Kingsford Smith
39h 55m2 stops Los Angeles Nadi
Multiple Airlines Logo
14:00 - 09:40SYD  Sydney Kingsford Smith-DEN Denver Intl
37h 40m3 stops Nadi Los Angeles San Francisco
$1,391Multiple 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 Nadi
Multiple Airlines Logo
14:00 - 23:49SYD  Sydney Kingsford Smith-DEN Denver Intl
27h 49m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl
$1,394Multiple 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 Nadi
Multiple Airlines Logo
14:00 - 17:35SYD  Sydney Kingsford Smith-DEN Denver Intl
21h 35m2 stops Nadi Los Angeles
$1,424Multiple 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 Nadi
Multiple Airlines Logo
14:00 - 17:35SYD  Sydney Kingsford Smith-DEN Denver Intl
21h 35m2 stops Nadi Los Angeles
$1,457Multiple Airlines
Sun, 1 Nov - Mon, 16 Nov
Multiple Airlines Logo
13:10 - 12:35DEN  Denver Intl-SYD Sydney Kingsford Smith
29h 25m2 stops Los Angeles Nadi
Multiple Airlines Logo
14:00 - 09:07SYD  Sydney Kingsford Smith-DEN Denver Intl
37h 07m3 stops Nadi Los Angeles Phoenix Sky Harbor Intl
$1,466Multiple 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 Nadi
Multiple Airlines Logo
14:00 - 23:53SYD  Sydney Kingsford Smith-DEN Denver Intl
27h 53m3 stops Nadi Los Angeles Phoenix Sky Harbor Intl
$1,473Multiple Airlines
Mon, 9 Nov - Fri, 20 Nov
Multiple Airlines Logo
13:10 - 12:35DEN  Denver Intl-SYD Sydney Kingsford Smith
29h 25m2 stops Los Angeles Nadi
Multiple Airlines Logo
14:00 - 20:16SYD  Sydney Kingsford Smith-DEN Denver Intl
24h 16m2 stops Nadi Los Angeles
$1,510Multiple Airlines
Mon, 9 Nov - Fri, 20 Nov
Multiple Airlines Logo
13:10 - 12:35DEN  Denver Intl-SYD Sydney Kingsford Smith
29h 25m2 stops Los Angeles Nadi
Multiple Airlines Logo
14:00 - 09:23SYD  Sydney Kingsford Smith-DEN Denver Intl
37h 23m3 stops Nadi Los Angeles Phoenix Sky Harbor Intl
$1,521Multiple Airlines
Wed, 27 Jan - Wed, 10 Feb
Qantas Airways Logo
18:46 - 09:00DEN  Denver Intl-SYD Sydney Kingsford Smith
20h 14m1 stop Los Angeles
Qantas Airways Logo
11:20 - 13:20SYD  Sydney Kingsford Smith-DEN Denver Intl
20h 00m1 stop Los Angeles
$2,414Qantas Airways
Sat, 21 Nov - Wed, 30 Dec
Qantas Airways Logo
18:51 - 09:00DEN  Denver Intl-SYD Sydney Kingsford Smith
20h 09m1 stop Los Angeles
Qantas Airways Logo
11:10 - 11:30SYD  Sydney Kingsford Smith-DEN Denver Intl
18h 20m1 stop Los Angeles
$2,453Qantas 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 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, Sunday is the cheapest day of the week to fly from Denver to Sydney. It’s 8% cheaper than the average day, while Thursday is the most expensive, with prices 11% higher.

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 $1,705 return.
•December ($2,590) and January ($2,299) 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 flights 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

$700
Beat the crowds with an average 34% drop in traveller numbers.
The most popular month to fly with an average 45% increase in traveller numbers.
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 $1,715 to $2,380, with an average of $2,012 over the past 12 months. Anything below $1,715 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 36% above the $2,012 route average. Book 14 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 $925, which is 27% 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 $15 for economy cars. Top options include:

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

  • 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) – 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

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

    Yes. Flexible dates can save you up to 18% on flights from Denver to Sydney. Sunday is the cheapest departure day at $1,858 return on average, while Thursday is the most expensive at $2,248, a difference of $391.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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 (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.

  • 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 Sunday departure and avoid flying on Thursday. On this route, Sunday flights average $1,858, about $391 less than Thursday fares (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 $1,705 return in that month – typically $885 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