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Cheap Flights from Sydney (SYD) to Denver (DEN)

Compare Sydney to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

Book the best Denver International fare with no extra fees

Flight deals from Sydney to Denver International

Looking for a cheap last-minute deal or the best return flight from Sydney to Denver International? Find the lowest prices on one-way and return tickets right here.
Denver.$1,122 per passenger.Departing Thu, 16 Oct, returning Wed, 22 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Sydney on Thu, 16 Oct, arriving in Denver International.Inbound indirect flight with Air Canada, departs from Denver International on Wed, 22 Oct, arriving in Sydney.Price includes taxes and charges.From $1,122, select.
Denver.$1,129 per passenger.Departing Thu, 12 Feb, returning Thu, 19 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Sydney on Thu, 12 Feb, arriving in Denver International.Inbound indirect flight with Air Canada, departs from Denver International on Thu, 19 Feb, arriving in Sydney.Price includes taxes and charges.From $1,129, select.
Denver.$1,131 per passenger.Departing Mon, 22 Sep, returning Wed, 1 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Sydney on Mon, 22 Sep, arriving in Denver International.Inbound indirect flight with Air Canada, departs from Denver International on Wed, 1 Oct, arriving in Sydney.Price includes taxes and charges.From $1,131, select.
Denver.$1,152 per passenger.Departing Wed, 3 Dec, returning Mon, 8 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Sydney on Wed, 3 Dec, arriving in Denver International.Inbound indirect flight with Air Canada, departs from Denver International on Mon, 8 Dec, arriving in Sydney.Price includes taxes and charges.From $1,152, select.
Denver.$1,156 per passenger.Departing Sun, 18 Jan, returning Thu, 5 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Sydney on Sun, 18 Jan, arriving in Denver International.Inbound indirect flight with Air Canada, departs from Denver International on Thu, 5 Feb, arriving in Sydney.Price includes taxes and charges.From $1,156, select.
Denver.$1,184 per passenger.Departing Tue, 4 Nov, returning Thu, 13 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Sydney on Tue, 4 Nov, arriving in Denver International.Inbound indirect flight with Air Canada, departs from Denver International on Thu, 13 Nov, arriving in Sydney.Price includes taxes and charges.From $1,184, select.
Denver.$1,192 per passenger.Departing Tue, 2 Dec, returning Tue, 7 Apr.Return flight with Air Tahiti Nui and Air Canada.Outbound indirect flight with Air Tahiti Nui, departs from Sydney on Tue, 2 Dec, arriving in Denver International.Inbound indirect flight with Air Canada, departs from Denver International on Tue, 7 Apr, arriving in Sydney.Price includes taxes and charges.From $1,192, select.
Denver.$1,207 per passenger.Departing Mon, 15 Sep, returning Sat, 15 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Sydney on Mon, 15 Sep, arriving in Denver International.Inbound indirect flight with Air Canada, departs from Denver International on Sat, 15 Nov, arriving in Sydney.Price includes taxes and charges.From $1,207, select.

Find the cheapest month to fly from Sydney to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Denver International flights are currently cheapest in October.
Aug
Find prices
Sep
from $1,226
Oct
from $1,122
Nov
from $1,184
Dec
from $1,152
Jan
from $1,325
Feb
from $1,129
Mar
from $1,260
Apr
from $1,462
May
Find prices
Jun
from $1,827
Jul
from $1,716

Sydney to Denver International: Alternative routes

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

Sydney to Denver: Flight information

The things to know before you go.
Cheapest flight found$1,122
Cheapest month to flyOctober

Finding cheap flights from Sydney to Denver International: Frequently asked questions

The best price we found for a return flight from Sydney to Denver International is $1,122. 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 Sydney to Denver International. But we found flights with one or more stops from $1,122.
As of August 2025, there are no flights flying from Sydney to Denver International.
The cheapest month to fly from Sydney to Denver International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Denver International Airport on Thursday, 16 October 2025.
No airlines currently offer direct flights between Sydney Airport and Denver International 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 Denver International 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 Denver is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air Canada offers the cheapest flight tickets to Denver International.

Flying from Sydney (Kingsford Smith) Airport (SYD) to Denver International Airport (DEN): what you need to know

  • Denver is 17 hours behind Sydney and observes the UTC-6 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your SYD to DEN flight.

  • Be prepared for longer queues during popular months like April. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.

  • If you want to split up your journey, just deselect 'Direct flights only' when searching for your ticket from Sydney (Kingsford Smith) Airport to Denver International Airport. These are the most popular stopovers between SYD and DEN:

    • Los Angeles International Airport

    • San Francisco International Airport

    • Vancouver International Airport

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

  • At the moment, $719 is the cheapest price we've found for a one-way Sydney (Kingsford Smith) Airport to Denver International Airport flight. The best price for a return ticket is $1,122. Remember that fares can change due to demand at the time of booking.

  • It's often best to book early if you're looking for cheap tickets from SYD to DEN. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Sydney (Kingsford Smith) Airport to Denver International Airport across the month. It's an easy way to find a bargain if your travel dates are flexible.

  • Save time searching for cheap flights from SYD to DEN by creating a Price Alert. You'll get an email or notification on the app when a new discounted fare appears.

  • Discover the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Sydney (Kingsford Smith) Airport to Denver International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • When it comes to Sydney (Kingsford Smith) Airport's on-time performance, 69.62% of flights arrive within the scheduled timeframe.

  • To reach Sydney (Kingsford Smith) Airport from central Sydney, it'll take around 20 minutes by car. This depends on traffic though. It's approximately 18 kilometres from the airport to the city centre.

  • The trip on public transport usually takes 25 minutes.

  • Searching for a convenient hotel near SYD? If you've booked an early flight from Sydney (Kingsford Smith) Airport to Denver International Airport, these stays will put you moments from your departure lounge:

Arriving at Denver International Airport (DEN)

  • After your Sydney (Kingsford Smith) Airport to Denver International Airport flight has touched down, relax and unwind at a nearby hotel. Baymont by Wyndham Denver International Airport is a comfortable option within easy reach of DEN.

  • Get your adventure underway by picking up a Denver International Airport rental car. Grab a set of wheels from Routes Car Rentals, Dollar or Budget and explore beyond Denver's usual tourist stops.

  • Booking your vehicle from Denver International Airport about one week in advance can help you get the best possible rate.

Getting from Denver International Airport (DEN) to central Denver

  • You'll find DEN at 8500 Pena Boulevard.

  • Denver International Airport is approximately 40 kilometres from the centre of Denver. Driving there takes about 35 minutes.

  • Travelling on public transport typically takes 1 hour 30 minutes.

When to fly to Denver International Airport (DEN)

  • The quietest month for a flight from Sydney (Kingsford Smith) Airport to Denver International Airport is April, while July is the busiest. Pick the best time to visit Denver based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Denver is July, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Sydney (Kingsford Smith) Airport to Denver International Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from SYD to DEN in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

Explore more of United States

  • Denver has its own special appeal, but there are so many other parts of United States just waiting to be explored. Around 105 kilometres south of Denver, a trip to Colorado Springs will keep you on the move. Start with leading attractions like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • If you're looking to explore another major destination in United States, consider Aurora, roughly 13 kilometres east of Denver. Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc are key reasons to visit.

Plan the rest of your trip from Sydney to Denver

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