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$707+ Cheap flights from Colorado 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Colorado to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$864
(American Airlines)

One-way from

$707
(American Airlines)
From Colorado to Sydney Kingsford Smith
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One-way flight from Colorado to Sydney Kingsford Smith
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Find flight deals from Colorado to Sydney

Cheapest flights from Colorado to Sydney
Explore the most affordable flight options available from Colorado to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3012:39 pmDEN - SYD
1 stop23h 56mAmerican Airlines
Tue 1/145:25 pmSYD - DEN
2 stops22h 35mAmerican Airlines
Deal found 12/21$868
This Ovago deal was found by Cheapflights users on 12/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/252:30 pmDEN - SYD
1 stop22h 05mQantas Airways
Mon 1/205:25 pmSYD - DEN
1 stop19h 50mQantas Airways
Deal found 12/21$987
This United deal was found by Cheapflights users on 12/21. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:45 amDEN - SYD
1 stop28h 35mUnited Airlines
Sun 1/1212:10 pmSYD - DEN
1 stop25h 30mUnited Airlines
Deal found 12/21$1,604
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:00 amDEN - SYD
2 stops32h 35mDelta
Sat 1/1111:05 amSYD - DEN
2 stops22h 15mDelta
Deal found 12/21$2,018
This Priceline deal was found by Cheapflights users on 12/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/262:30 pmDEN - SYD
2 stops26h 20mMultiple Airlines
Mon 1/69:15 amSYD - DEN
2 stops45h 14mMultiple Airlines
Deal found 12/20$2,312
This Air Canada deal was found by Cheapflights users on 12/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/218:30 amDEN - SYD
1 stop28h 25mAir Canada
Sat 12/284:00 pmSYD - DEN
1 stop19h 20mAir Canada
Deal found 12/20$2,405
This Gurufare deal was found by Cheapflights users on 12/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:06 pmDEN - SYD
1 stop19h 59mAir New Zealand
Mon 1/67:15 pmSYD - DEN
2 stops39h 20mAir New Zealand
Deal found 12/20$2,702
This United deal was found by Cheapflights users on 12/22. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:10 pmCOS - SYD
2 stops21h 55mUnited Airlines
Sat 1/412:10 pmSYD - COS
2 stops22h 23mUnited Airlines
Deal found 12/22$3,308
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/305:30 pmDEN - SYD
2 stops43h 25mBritish Airways
Wed 2/124:20 pmSYD - DEN
3 stops43h 35mBritish Airways
Deal found 12/21$3,474
This Qatar Airways deal was found by Cheapflights users on 12/21. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2912:44 amDEN - SYD
2 stops48h 06mQatar Airways
Wed 2/129:40 pmSYD - DEN
2 stops39h 32mQatar Airways
Deal found 12/21$3,959
This CheapOair deal was found by Cheapflights users on 12/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/297:00 amCOS - SYD
3 stops32h 35mMultiple Airlines
Sat 1/47:15 pmSYD - COS
2 stops44h 36mMultiple Airlines
Deal found 12/22$4,698
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/215:50 pmDEN - SYD
2 stops42h 05mSingapore Airlines
Sat 12/284:10 pmSYD - DEN
3 stops49h 26mSingapore Airlines
Deal found 12/20$5,900

Find flights from Colorado to Sydney within your budget

Customize your flight search to find flights from Colorado 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 1/20

1:00 pm-7:25 am

1 stop24h 25m

Sydney Kingsford Smith

Mon 1/27

11:50 am-8:10 pm

1 stop26h 20m

$864

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 3/11

7:00 am-9:00 am

2 stops33h 00m

Sydney Kingsford Smith

Tue 4/1

10:10 am-7:23 pm

1 stop26h 13m

$866

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 2/12

7:53 pm-9:00 am

1 stop19h 07m

Sydney Kingsford Smith

Sat 2/22

5:25 pm-7:12 pm

1 stop19h 47m

$869

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 3/11

1:12 pm-9:00 am

1 stop26h 48m

Sydney Kingsford Smith

Tue 4/1

10:10 am-3:56 pm

1 stop22h 46m

$901

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Fri 6/6

7:43 pm-7:00 am

1 stop19h 17m

Sydney Kingsford Smith

Tue 6/17

9:30 am-1:09 pm

1 stop19h 39m

$995

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Fri 6/6

12:00 pm-6:35 am

1 stop26h 35m

Sydney Kingsford Smith

Tue 6/17

9:25 am-6:38 pm

1 stop25h 13m

$1,005

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/2

3:58 pm-8:20 am

2 stops23h 22m

Sydney Kingsford Smith

Tue 4/22

7:00 am-5:20 pm

2 stops26h 20m

$1,179

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 5/13

6:48 pm-11:45 am

2 stops24h 57m

Sydney Kingsford Smith

Tue 5/27

1:15 pm-7:58 pm

2 stops22h 43m

$1,202

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 3/2

3:40 pm-7:00 am

1 stop21h 20m

Sydney Kingsford Smith

Sun 3/9

10:20 am-3:08 pm

1 stop22h 48m

$1,304

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Wed 4/16

3:38 pm-6:55 am

2 stops23h 17m

Sydney Kingsford Smith

Wed 4/30

9:30 am-2:29 pm

2 stops20h 59m

$1,308

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 29 results
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Best time to book a flight from Colorado to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Colorado 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.

Travel insights for flights from Colorado to Sydney

Get recent, data-driven insights about flights from Colorado to Sydney including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,051). Flying from Colorado to Sydney in December is currently the most expensive (average of $1,643). 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 CO to SYD?

Find hourly flight availability from Colorado 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 December 22, 2024.

When flying from Colorado to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 December 22, 2024.
See what other customers who have flown with Air New Zealand, American Airlines and Qantas Airways from Colorado to Sydney have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Food

7.7

Boarding

8.6

Comfort

8.0

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.7
Very good
63 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Food

7.7

Boarding

8.6

Comfort

8.0

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

ANA
8.4
Very good
844 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Food

7.7

Boarding

8.6

Comfort

8.0

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Fiji Airways
8.1
Very good
191 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Food

7.7

Boarding

8.6

Comfort

8.0

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Singapore Airlines
8.1
Very good
1,331 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Food

7.7

Boarding

8.6

Comfort

8.0

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Delta
8.0
Very good
8,594 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Crew

9.0

Food

7.7

Boarding

8.6

Comfort

8.0

Entertainment

7.2

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Colorado 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 Colorado?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Colorado.

  • What are the cheapest airlines to fly from Colorado to Sydney one-way?

    $707 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Qantas Airways, with prices starting from $748 and $789, respectively.

  • What are the most popular routes from Colorado to Sydney?

    Most travelers choose Denver Intl - Sydney Kingsford Smith, Colorado Springs - Sydney Kingsford Smith or Aspen Pitkin County - Sydney Kingsford Smith when deciding on the best route from Colorado to Sydney.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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 Colorado to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,051). Flying from Colorado to Sydney in December is currently the most expensive (average of $1,643). 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

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Top 7 airlines flying from Colorado to Sydney

Discover the top 7 airlines that operate flights from Colorado 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$809Average$938FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$817Average$927FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$825Average$1,344FlexibilityNo cancel feeOn-time69%
DeltaCheapest$847Average$1,319FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$851Average$1,242FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$910Average$1,216FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,221Average$1,411FlexibilityNo cancel feeOn-time78%
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