HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$447+ Cheap flights from Breckenridge, CO to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
10月 15 — 10月 221
水 10/15
水 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Breckenridge to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Breckenridge to Sydney Kingsford Smith are usually found in April or May, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Breckenridge to Sydney

Keep the following information in mind while searching for Breckenridge to Sydney flight deals. Data was last updated 9月 15, 2025.

Round-trip from

$1,015
(Alaska Airlines)

One-way from

$447
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$1,034
From Breckenridge to Sydney Kingsford Smith
Search Deals
One-way flight from Breckenridge to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Breckenridge to Sydney

Cheapest flights from Breckenridge to Sydney
Explore the most affordable flight options available from Breckenridge to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9月 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
火 11/118:02 pmDEN - SYD
2 stops29h 43mAlaska Airlines
火 11/189:40 pmSYD - DEN
2 stops35h 01mAlaska Airlines
Deal found 9/14$1,015
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
日 11/98:02 pmDEN - SYD
2 stops29h 43mAlaska Airlines
土 11/159:40 pmSYD - DEN
1 stop35h 01mAlaska Airlines
Deal found 9/14$1,091
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
火 11/1110:00 amDEN - SYD
2 stops26h 10mMultiple Airlines
火 11/185:45 pmSYD - DEN
1 stop34h 33mMultiple Airlines
Deal found 9/14$1,112
This Jetabroad deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
水 10/153:02 pmDEN - SYD
2 stops35h 43mHawaiian Airlines
金 10/319:40 pmSYD - DEN
2 stops30h 54mHawaiian Airlines
Deal found 9/13$1,116
This Alaska Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
火 10/213:00 pmDEN - SYD
2 stops35h 45mAlaska Airlines
金 10/319:40 pmSYD - DEN
2 stops30h 54mAlaska Airlines
Deal found 9/13$1,129
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
火 9/308:55 pmDEN - SYD
2 stops42h 35mMultiple Airlines
火 10/146:45 pmSYD - DEN
1 stop32h 34mMultiple Airlines
Deal found 9/14$1,134
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
金 11/148:02 pmDEN - SYD
2 stops29h 43mAlaska Airlines
木 11/279:40 pmSYD - DEN
2 stops35h 07mAlaska Airlines
Deal found 9/14$1,136
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
水 9/249:23 pmDEN - SYD
2 stops30h 22mAlaska Airlines
土 10/119:40 pmSYD - DEN
2 stops31h 13mAlaska Airlines
Deal found 9/12$1,139
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
木 9/259:23 pmDEN - SYD
2 stops30h 22mAlaska Airlines
土 10/119:40 pmSYD - DEN
2 stops33h 26mAlaska Airlines
Deal found 9/12$1,158
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
水 11/124:05 pmDEN - SYD
2 stops22h 40mAir New Zealand
水 11/261:55 pmSYD - DEN
2 stops22h 03mAir New Zealand
Deal found 9/13$1,164
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
月 11/104:05 pmDEN - SYD
2 stops22h 40mAir New Zealand
月 11/241:55 pmSYD - DEN
2 stops22h 03mAir New Zealand
Deal found 9/15$1,166

Cheapflights Fare Finder

 
Customize your flight search to find flights from Breckenridge to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated 9月 15, 2025.
Use the filters below to find and compare flights from Breckenridge to Sydney that are best for you.

Fly from

Breckenridge

Fly to

Sydney

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

火 11/11

8:02 pm-7:45 pm

2 stops29h 43m

Sydney Kingsford Smith

火 11/18

9:40 pm-12:27 pm

2 stops32h 47m

$1,015

DenverSydney

DEN - SYD

DENSYD

Denver Intl

木 2/19

7:50 pm-7:45 pm

2 stops29h 55m

Sydney Kingsford Smith

土 2/28

9:40 pm-4:24 pm

2 stops36h 44m

$1,090

DenverSydney

DEN - SYD

DENSYD

Denver Intl

日 11/9

8:02 pm-7:45 pm

2 stops29h 43m

Sydney Kingsford Smith

土 11/15

9:40 pm-2:41 pm

1 stop35h 01m

$1,091

DenverSydney

DEN - SYD

DENSYD

Denver Intl

火 10/21

3:00 pm-7:45 pm

2 stops35h 45m

Sydney Kingsford Smith

金 10/31

9:40 pm-11:34 am

2 stops30h 54m

$1,129

DenverSydney

DEN - SYD

DENSYD

Denver Intl

金 11/21

7:26 pm-9:35 am

2 stops44h 09m

Sydney Kingsford Smith

月 12/1

3:00 pm-12:23 pm

2 stops39h 23m

$1,285

DenverSydney

DEN - SYD

DENSYD

Denver Intl

土 1/31

7:05 pm-6:05 pm

2 stops29h 00m

Sydney Kingsford Smith

木 2/12

11:20 am-6:03 pm

2 stops24h 43m

$1,297

DenverSydney

DEN - SYD

DENSYD

Denver Intl

火 10/7

10:45 am-12:45 pm

2 stops33h 00m

Sydney Kingsford Smith

火 10/21

6:45 pm-10:19 am

1 stop32h 34m

$1,313

DenverSydney

DEN - SYD

DENSYD

Denver Intl

日 11/16

4:05 pm-8:45 am

2 stops22h 40m

Sydney Kingsford Smith

日 11/30

11:20 am-2:01 am

1 stop32h 41m

$1,316

DenverSydney

DEN - SYD

DENSYD

Denver Intl

土 10/11

10:55 pm-9:00 am

2 stops41h 05m

Sydney Kingsford Smith

水 10/22

6:45 pm-10:18 am

1 stop32h 33m

$1,325

DenverSydney

DEN - SYD

DENSYD

Denver Intl

日 11/16

7:28 pm-8:30 am

1 stop19h 02m

Sydney Kingsford Smith

日 11/30

10:40 am-11:43 am

1 stop19h 03m

$1,363

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Breckenridge to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Breckenridge with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Breckenridge to Sydney

How far ahead should I book a flight from Breckenridge to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from Breckenridge to Sydney. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Breckenridge to Sydney, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Breckenridge to Sydney?

Currently, March is the cheapest month in which you can book a flight from Breckenridge to Sydney (average of $1,032). Flying from Breckenridge to Sydney in December is currently the most expensive (average of $1,627). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BK9 to SYD?

Find hourly flight availability from Breckenridge to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9月 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Breckenridge to Sydney as you normally would.

What is the cheapest day to fly from Breckenridge to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Breckenridge to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Breckenridge to Sydney flight should consider departing on Saturday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 9月 15, 2025.
Get a feel of what it's like to fly with Delta, Qantas Airways, and United Airlines from Breckenridge to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
905 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Breckenridge to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Breckenridge?

    For a flight from Breckenridge to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 0 inbound flights from Breckenridge per day. 7 airlines have flights to Sydney Kingsford Smith from Breckenridge on a regular basis.

  • How long is the flight from Breckenridge to Sydney?

    A quick flight from Breckenridge to Sydney can take about 29h 43m. Alaska Airlines provides one of the quickest options available for as low as $1,015. The distance from Breckenridge to Sydney is about 8348 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Breckenridge to Sydney that include hotel bookings?

    Yes. In addition to deals on Breckenridge to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Breckenridge to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Breckenridge to Sydney.

  • Can I find deals for business class flights from Breckenridge to Sydney?

    Yes. Cheapflights offers flight deals from Breckenridge to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Breckenridge to Sydney?

    Currently, March is the cheapest month in which you can book a flight from Breckenridge to Sydney (average of $1,032). Flying from Breckenridge to Sydney in December is currently the most expensive (average of $1,627). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Breckenridge to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Sydney flights
Denver to Coolangatta flights
Aspen to Sydney flights
Colorado Springs to Sydney flights

Top 7 airlines flying from Breckenridge to Sydney

Discover the top 7 airlines that operate flights from Breckenridge to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated 9月 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$698Average$1,367FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$745Average$856FlexibilityNo cancel feeOn-time75%
Qantas AirwaysCheapest$807Average$905FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$832Average$867FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$834Average$1,236FlexibilityNo cancel feeOn-time78%
Air CanadaCheapest$1,034Average$1,228FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,261Average$1,473FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.