SYD - DEN

$649 Find Cheap Flights from Sydney to Denver – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,259
Typical prices: $1,609-$2,455
Multiple Airlines
Sat 20/1Mon 5/2
SYD - DEN • 2 stops
Cheapest one-way flight
$636
Typical prices: $1,068-$1,703
Multiple Airlines
Mon 5/2
SYD - DEN • 2 stops
Direct flights
Not available
There are currently no direct flights between Sydney and Denver. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
18 weeks
in advance
Our data shows that travellers who book at least 18 weeks in advance save around 25% compared to booking last minute.
Insights
Insights
When to travel
August
Cheapest • 19% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $1,771 (return)
San Francisco (SFO)
Shortest trip • 20h (one-way)
Insights
Insights
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We hope you enjoy your trip to Denver!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sydney to Denver (SYD-DEN)

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

Recent return flight deals from Sydney to Denver

Wed, 20 Jan - Fri, 5 Feb
Multiple Airlines Logo
14:55 - 20:19SYD  Sydney Kingsford Smith-DEN Denver Intl
23h 24m2 stops Nadi Los Angeles
Multiple Airlines Logo
14:22 - 12:35DEN  Denver Intl-SYD Sydney Kingsford Smith
28h 13m2 stops Los Angeles Nadi
$1,259Multiple Airlines
1 day ago
Tue, 2 Mar - Wed, 17 Mar
Air Canada Logo
11:20 - 18:04SYD  Sydney Kingsford Smith-DEN Denver Intl
24h 44m2 stops Vancouver Intl Edmonton
Air Canada Logo
11:43 - 08:35DEN  Denver Intl-SYD Sydney Kingsford Smith
27h 52m2 stops Calgary Vancouver Intl
$1,387Air Canada
1 day ago
Wed, 10 Mar - Thu, 25 Mar
Air Canada Logo
11:20 - 18:04SYD  Sydney Kingsford Smith-DEN Denver Intl
24h 44m2 stops Vancouver Intl Edmonton
Air Canada Logo
19:00 - 08:35DEN  Denver Intl-SYD Sydney Kingsford Smith
20h 35m1 stop Vancouver Intl
$1,388Air Canada
2 days ago
Wed, 10 Mar - Thu, 25 Mar
Multiple Airlines Logo
11:20 - 16:42SYD  Sydney Kingsford Smith-DEN Denver Intl
23h 22m2 stops Vancouver Intl Calgary
Multiple Airlines Logo
16:09 - 08:35DEN  Denver Intl-SYD Sydney Kingsford Smith
23h 26m2 stops Seattle/Tacoma Intl Vancouver Intl
$1,467Multiple Airlines
2 days ago
Thu, 21 Jan - Sun, 31 Jan
American Airlines Logo
14:05 - 16:32SYD  Sydney Kingsford Smith-DEN Denver Intl
20h 27m1 stop Dallas/Fort Worth
American Airlines Logo
06:15 - 09:00DEN  Denver Intl-SYD Sydney Kingsford Smith
32h 45m1 stop Los Angeles
$1,477American Airlines
21 hours ago
Thu, 21 Jan - Sun, 31 Jan
American Airlines Logo
11:20 - 22:26SYD  Sydney Kingsford Smith-DEN Denver Intl
29h 06m1 stop Los Angeles
American Airlines Logo
09:08 - 06:35DEN  Denver Intl-SYD Sydney Kingsford Smith
27h 27m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
$1,477American Airlines
21 hours ago
Thu, 5 Nov - Mon, 9 Nov
United Airlines Logo
11:50 - 14:22SYD  Sydney Kingsford Smith-DEN Denver Intl
20h 32m2 stops San Francisco Los Angeles
United Airlines Logo
20:30 - 07:00DEN  Denver Intl-SYD Sydney Kingsford Smith
40h 30m1 stop Houston George Bush Intcntl
$1,709United Airlines
3+ days ago
Thu, 5 Nov - Mon, 9 Nov
United Airlines Logo
11:20 - 12:17SYD  Sydney Kingsford Smith-DEN Denver Intl
18h 57m1 stop Los Angeles
United Airlines Logo
20:30 - 07:00DEN  Denver Intl-SYD Sydney Kingsford Smith
40h 30m1 stop Houston George Bush Intcntl
$1,709United Airlines
3+ days ago
Mon, 18 Jan - Thu, 28 Jan
Air New Zealand Logo
11:20 - 18:06SYD  Sydney Kingsford Smith-DEN Denver Intl
24h 46m2 stops Vancouver Intl Edmonton
Air New Zealand Logo
09:44 - 09:35DEN  Denver Intl-SYD Sydney Kingsford Smith
29h 51m2 stops Toronto Pearson Intl Vancouver Intl
$1,768Air New Zealand
2 days ago
Wed, 20 Jan - Wed, 3 Feb
Air New Zealand Logo
14:05 - 17:57SYD  Sydney Kingsford Smith-DEN Denver Intl
21h 52m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
15:55 - 08:35DEN  Denver Intl-SYD Sydney Kingsford Smith
22h 40m2 stops Los Angeles Auckland Intl
$2,244Air New Zealand
9 hours ago
Booking Insights

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Sydney to Denver. It’s 9% cheaper than the average day, while Wednesday is the most expensive, with prices 16% higher.

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

•August is the cheapest month to fly from Sydney to Denver at $1,564 return.
•July ($2,600) and June ($2,436) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Sydney to Denver the cheapest?

Flights from Sydney to Denver are cheapest 18 weeks before departure. Booking in this window typically costs about 25% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Sydney to Denver flights

Low season

September

Cheapest flight

$636
Beat the crowds with an average 37% drop in traveller numbers.
The most popular month to fly with an average 40% increase in traveller numbers.
One-way flight from Sydney to Denver

When to book flights from Sydney to Denver

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

Your Sydney to Denver 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 Sydney to Denver?

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

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Sydney to Denver?

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

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

    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 Sydney to Denver flight?

    Return flights from Sydney to Denver range from $1,609 to $2,455, with an average of $1,927 over the past 12 months. Anything below $1,609 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 4% above the $1,927 route average. Book 18 weeks before departure for the lowest fares.

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

    One-way fares from Sydney to Denver are currently higher than usual. Average one-way flight prices are about $1,814, which is 34% above the typical average for this route.

  • Which car hire options are available at Denver Intl Airport (DEN)?

    Denver Intl Airport (DEN) hosts 5 major car hire companies, with daily rates starting from around $21 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • Ace
    • Europcar
    • NU Car
    • Hertz

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

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

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

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

    • Los Angeles (LAX) – 53% of one-stop connections
    • Vancouver Intl (YVR) – 33% of one-stop connections
    • San Francisco (SFO) – 10% of one-stop connections
    • Dallas/Fort Worth (DFW) – 4% of one-stop connections

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

    Yes. Flexible dates can save you up to 22% on flights from Sydney to Denver. Thursday is the cheapest departure day at $1,768 return on average, while Wednesday is the most expensive at $2,250, a difference of $482.

    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 Sydney to Denver?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time of 20h, compared to 20h 02m via Los Angeles (LAX) and 20h 41m via Vancouver Intl (YVR).

  • What is the time difference between Sydney and Denver?

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

  • What popular places can I visit in Denver?

    Ball Arena is one of the most viewed places in Denver on KAYAK.

Your guide to booking Sydney to Denver 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 Thursday departure and avoid flying on Wednesday. On this route, Thursday flights average $1,768, about $482 less than Wednesday fares (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 25% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Sydney to Denver trip for August. Fares historically average $1,564 return in that month – typically $1,036 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Denver Intl Airport.

    • The Westin Denver International Airport

More options for your flight from Sydney to Denver

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

Car hire in Denver
Hotels in Denver
Holidays in Denver