C$620 Cheap Flights from Denver (DENA) to Sydney (SYD)

Compare Denver to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

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Flight deals from Denver to Sydney Airport

Looking for a cheap last-minute deal or the best return flight from Denver to Sydney Airport? If you want to travel next month, return fares start from C$1,704. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Sydney flights are currently cheapest in May.

Denver to Sydney: Alternative routes

Compare routes from Denver to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Denver to Sydney: Flight information

The things to know before you go.
Cheapest flight foundC$620
Cheapest month to flyMay

Finding cheap flights from Denver to Sydney: Frequently asked questions

The best price we found for a return flight from Denver to Sydney is C$1,197. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver to Sydney. But we found flights with one stop from C$1,197.
As of March 2026, there are no flights flying from Denver to Sydney.
The cheapest month to fly from Denver to Sydney is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Sydney Airport on Saturday, May 23, 2026.
No airlines currently offer direct flights between Denver and Sydney Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Sydney is Frontier Airlines .

Travelling from Denver to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • Planning your getaway begins with working out where you'll fly out of in Denver. Denver International Airport (DEN) is the city's main airport, so check out your options for booking a flight from Denver to Sydney (Kingsford Smith) Airport (SYD) jetting off from here.

  • Sydney is 17 hours ahead of Denver. Sydney (Kingsford Smith) Airport is located in Sydney, which operates on the UTC+11 timezone.

  • Your flight from Denver to SYD won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Popular months like July or high seasons such as Thanksgiving and Christmas/New Year will mean bigger queues at check-in and security. Be on the safe side and get to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a smart idea.

Airports in Denver

Denver International Airport (DEN)

  • We make it simple to book a flight from Denver to SYD with a stopover. To see the options departing from Denver International Airport (DEN), uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Popular stopovers between DEN and SYD include:

    • San Francisco International Airport (SFO)

    • Dallas/Fort Worth International Airport (DFW)

    • Los Angeles International Airport (LAX)

  • From the centre of Denver, DEN is around 40 kilometres away. Visit the official airport website or use navigation apps to work out the best way to get there.

  • Get your flight from Denver to Sydney (Kingsford Smith) Airport off to a hassle-free start. Just a quick drive from Denver International Airport, spend the night at SpringHill Suites Denver Airport and be well-rested for the journey ahead.

About Sydney (Kingsford Smith) Airport (SYD)

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • From Sydney (Kingsford Smith) Airport, Sydney is approximately 18 kilometres away. It takes around 21 minutes to get to the centre driving.

  • If you're using public transport, expect a journey of around 27 minutes.

How to find the cheapest flights from Denver to Sydney (Kingsford Smith) Airport (SYD)

  • C$620 is the cheapest price we've found for a one-way ticket from Denver to Sydney (Kingsford Smith) Airport. Return flights start from C$1,197. Prices are subject to change based on availability and may vary at the time of booking.

  • We suggest booking as early as possible to lock in flight tickets from Denver to SYD. You're more likely to land a great deal and enjoy a wider choice of flight times and travel dates.

  • Getting flight tickets from Denver to Sydney (Kingsford Smith) Airport is more likely if you can be flexible with your trip dates. Try using the 'Whole month' function to see the lowest prices across the month and bag a great deal.

  • Finding a cheap ticket from Denver to SYD is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when there's a better deal.

  • Use the filters to tailor your flights from Denver to Sydney (Kingsford Smith) Airport. Pick your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Cheapest' to find the best deals.

The best time to fly from Denver to Sydney (Kingsford Smith) Airport (SYD)

  • It's time to pick your travel dates for your flight from Denver to Sydney (Kingsford Smith) Airport. July is the busiest month to visit Sydney. If you prefer a more peaceful vibe, go in April.

  • Think about the kind of weather that'll work with your plans for Sydney. January is known as the warmest month. Book your flights from Denver to SYD sometime then and you can expect temperatures of between 17ºC and 32ºC.

  • July sees average temperatures of between 5ºC and 19ºC. Search for cheap flights from Denver to Sydney (Kingsford Smith) Airport sometime then if you like travelling in cooler conditions.

More about Sydney

  • After booking your flight from Denver to Sydney (Kingsford Smith) Airport, think about where you'd like to stay in this city. Make one of these accommodation options your base for exploring Sydney:

  • One of the best ways to get to know Sydney is to check out its popular attractions. Highlights include Sydney Opera House, Sydney Harbour Bridge and Bondi Beach.

Complete your Sydney trip with a car rental

  • Get behind the wheel of one of our car rentals in Sydney and see the city at your own pace. Easily compare prices from trusted rental companies in one place after booking your hotel and cheap flights from Denver to Sydney (Kingsford Smith) Airport.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.