$578+ Cheap flights from Colorado to Australia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Australia 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
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Cheapest flights from Colorado to AustraliaExplore the most affordable flight options available from Colorado to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Colorado to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:56 pm -
1 stop18h 34m
Fri 11/2010:40 am -
1 stop26h 12m
Deal found 10/14![Delta logo]()
$1,057
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:52 pm -
1 stop25h 08m
Sat 11/2110:10 am -
1 stop26h 42m
Deal found 10/14![Delta logo]()
$1,057
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
2 stops32h 50m
Fri 10/309:40 am -
2 stops25h 07m
Deal found 10/14![Delta logo]()
$1,062
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:54 pm -
1 stop23h 56m
Thu 11/1911:40 am -
2 stops23h 23m
Deal found 10/15![Multiple Airlines logo]()
$1,103
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Mon 11/1610:55 pm -
1 stop37h 30m
Tue 12/19:40 pm -
2 stops29h 50m
Deal found 10/17![Multiple Airlines logo]()
$1,118
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Tue 10/271:10 pm -
1 stop24h 15m
Thu 11/122:00 pm -
2 stops22h 03m
Deal found 10/18![Multiple Airlines logo]()
$1,121
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Wed 11/1112:54 pm -
1 stop26h 36m
Wed 11/181:45 pm -
2 stops38h 00m
Deal found 10/14![Multiple Airlines logo]()
$1,140
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Tue 10/271:10 pm -
1 stop24h 15m
Wed 11/112:00 pm -
2 stops37h 45m
Deal found 10/18![Multiple Airlines logo]()
$1,142
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Tue 11/1012:54 pm -
1 stop23h 56m
Sun 11/2211:25 am -
2 stops39h 05m
Deal found 10/16![Multiple Airlines logo]()
$1,145
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Tue 11/312:54 pm -
1 stop23h 31m
Sat 11/142:00 pm -
2 stops37h 45m
Deal found 10/14![Multiple Airlines logo]()
$1,155
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:25 pm -
1 stop18h 55m
Wed 11/1110:40 am -
1 stop19h 16m
Deal found 10/14![Delta logo]()
$1,157
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:54 pm -
2 stops24h 51m
Wed 11/188:55 am -
2 stops26h 40m
Deal found 10/14![Multiple Airlines logo]()
$1,161
Best flights from Colorado to AustraliaDiscover carefully curated flight deals from Colorado to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Colorado to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:56 pm -
1 stop18h 34m
Mon 11/3010:40 am -
1 stop26h 24m
Deal found 10/14![Delta logo]()
$1,057
This United Airlines deal was found by Cheapflights users on 10/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:17 pm -
1 stop24h 48m
Thu 11/1911:20 am -
1 stop20h 16m
Deal found 10/16![United Airlines logo]()
$1,287
This oojo deal was found by Cheapflights users on 10/18. 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.
Wed 12/22:05 pm -
1 stop25h 00m
Wed 12/99:55 am -
2 stops27h 56m
Deal found 10/18![Air New Zealand logo]()
$1,417
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 11/177:03 am -
2 stops29h 22m
Tue 11/2411:15 am -
2 stops30h 44m
Deal found 10/18![Alaska Airlines logo]()
$1,456
This Cathay Pacific deal was found by Cheapflights users on 10/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:41 am -
2 stops45h 14m
Sun 11/2212:25 am -
2 stops32h 56m
Deal found 10/19![Multiple Airlines logo]()
$1,503
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:15 am -
2 stops44h 45m
Wed 11/116:10 am -
2 stops24h 03m
Deal found 10/17![Air Canada logo]()
$1,637
This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/126:19 pm -
2 stops26h 36m
Mon 4/196:00 am -
2 stops27h 48m
Deal found 10/15![American Airlines logo]()
$1,874
This Globehunters deal was found by Cheapflights users on 10/14. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:51 pm -
2 stops45h 04m
Fri 11/2712:25 am -
2 stops37h 16m
Deal found 10/14![Cathay Pacific logo]()
$1,899
This Jetabroad deal was found by Cheapflights users on 10/15. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/128:33 pm -
2 stops29h 52m
Mon 4/1912:35 pm -
3 stops39h 32m
Deal found 10/15![Qantas Airways logo]()
$2,061
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/176:45 am -
2 stops31h 35m
Tue 3/3010:15 am -
2 stops30h 13m
Deal found 10/14![Delta logo]()
$1,062
This Singapore Airlines deal was found by Cheapflights users on 10/18. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/15:50 pm -
2 stops34h 30m
Wed 3/1011:55 pm -
3 stops36h 01m
Deal found 10/18![Singapore Airlines logo]()
$2,231
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 am -
2 stops31h 45m
Sat 11/2110:10 am -
1 stop19h 46m
Deal found 10/14![Delta logo]()
$1,062
This Cathay Pacific deal was found by Cheapflights users on 10/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:15 pm -
2 stops43h 40m
Sun 12/612:25 am -
2 stops36h 40m
Deal found 10/16![Multiple Airlines logo]()
$1,503
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:50 am -
3 stops31h 20m
Wed 11/189:35 am -
3 stops29h 52m
Deal found 10/14![Air New Zealand logo]()
$1,511
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:29 pm -
3 stops44h 36m
Wed 11/186:20 am -
3 stops29h 15m
Deal found 10/14![Multiple Airlines logo]()
$1,512
This oojo deal was found by Cheapflights users on 10/17. 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.
Thu 11/51:25 pm -
3 stops34h 50m
Tue 11/106:30 pm -
3 stops41h 00m
Deal found 10/17![Air New Zealand logo]()
$1,608
This Air Canada deal was found by Cheapflights users on 10/18. 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.
Sun 11/18:15 am -
2 stops40h 25m
Thu 11/56:10 am -
2 stops27h 46m
Deal found 10/18![Air Canada logo]()
$1,889
This United Airlines deal was found by Cheapflights users on 10/17. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:50 am -
1 stop30h 40m
Sun 11/2911:30 am -
1 stop27h 57m
Deal found 10/17![United Airlines logo]()
$1,901
This Delta deal was found by Cheapflights users on 10/17. 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.
Mon 11/167:56 pm -
1 stop18h 34m
Mon 11/3010:40 am -
2 stops27h 49m
Deal found 10/17![Delta logo]()
$1,602
This FlightHub deal was found by Cheapflights users on 10/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:20 pm -
2 stops29h 35m
Wed 11/1112:05 pm -
2 stops27h 35m
Deal found 10/18![Air New Zealand logo]()
$1,630
This Cathay Pacific deal was found by Cheapflights users on 10/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/128:33 pm -
3 stops47h 17m
Mon 4/195:00 pm -
3 stops40h 48m
Deal found 10/15![Multiple Airlines logo]()
$1,668
This United Airlines deal was found by Cheapflights users on 10/18. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:20 pm -
1 stop19h 10m
Mon 11/3011:20 am -
1 stop29h 39m
Deal found 10/18![United Airlines logo]()
$1,906
This Air Canada deal was found by Cheapflights users on 10/17. 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.
Mon 11/97:00 pm -
2 stops29h 00m
Fri 11/136:30 am -
2 stops29h 43m
Deal found 10/17![Air Canada logo]()
$1,920
This Delta deal was found by Cheapflights users on 10/16. 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.
Tue 12/112:52 pm -
1 stop25h 08m
Tue 12/810:10 am -
1 stop26h 46m
Deal found 10/16![Delta logo]()
$1,630
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:00 am -
2 stops43h 50m
Sun 12/66:50 pm -
2 stops52h 52m
Deal found 10/14![Air New Zealand logo]()
$1,670
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/13:50 pm -
1 stop22h 40m
Mon 1/1811:20 am -
1 stop17h 57m
Deal found 10/14![United Airlines logo]()
$1,921
This Delta deal was found by Cheapflights users on 10/18. 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.
Mon 11/231:19 pm -
1 stop24h 41m
Wed 1/1310:10 am -
1 stop19h 19m
Deal found 10/18![Delta logo]()
$1,630
This Cathay Pacific deal was found by Cheapflights users on 10/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:46 pm -
2 stops32h 04m
Sat 1/2310:20 pm -
2 stops42h 06m
Deal found 10/15![Multiple Airlines logo]()
$1,803
This oojo deal was found by Cheapflights users on 10/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/59:55 am -
2 stops29h 00m
Tue 1/2612:10 pm -
2 stops23h 47m
Deal found 10/14![Air New Zealand logo]()
$1,685
This Singapore Airlines deal was found by Cheapflights users on 10/14. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/316:00 pm -
2 stops34h 20m
Sun 2/2811:55 pm -
3 stops35h 55m
Deal found 10/14![Singapore Airlines logo]()
$2,502
Last-minute flights from Colorado to AustraliaDiscover last-minute flight deals from Colorado to Australia. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Australia. Data last updated October 19, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
2 stops32h 50m
Fri 10/309:40 am -
2 stops25h 07m
Deal found 10/14![Delta logo]()
$1,062
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:25 pm -
1 stop18h 55m
Wed 11/1110:40 am -
1 stop19h 16m
Deal found 10/14![Delta logo]()
$1,157
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Tue 10/271:10 pm -
1 stop24h 15m
Thu 11/122:00 pm -
2 stops22h 03m
Deal found 10/18![Multiple Airlines logo]()
$1,121
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Tue 10/271:10 pm -
1 stop24h 15m
Wed 11/112:00 pm -
2 stops37h 45m
Deal found 10/18![Multiple Airlines logo]()
$1,142
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Tue 11/312:54 pm -
1 stop23h 31m
Sat 11/142:00 pm -
2 stops37h 45m
Deal found 10/14![Multiple Airlines logo]()
$1,155
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Tue 11/1012:54 pm -
1 stop23h 56m
Sun 11/2211:25 am -
2 stops39h 05m
Deal found 10/16![Multiple Airlines logo]()
$1,145
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Wed 11/1112:54 pm -
1 stop26h 36m
Wed 11/181:45 pm -
2 stops38h 00m
Deal found 10/14![Multiple Airlines logo]()
$1,140
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:54 pm -
2 stops24h 51m
Wed 11/188:55 am -
2 stops26h 40m
Deal found 10/14![Multiple Airlines logo]()
$1,161
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:54 pm -
1 stop23h 56m
Thu 11/1911:40 am -
2 stops23h 23m
Deal found 10/15![Multiple Airlines logo]()
$1,103
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:56 pm -
1 stop18h 34m
Fri 11/2010:40 am -
1 stop26h 12m
Deal found 10/14![Delta logo]()
$1,057
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:52 pm -
1 stop25h 08m
Sat 11/2110:10 am -
1 stop26h 42m
Deal found 10/14![Delta logo]()
$1,057
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Mon 11/1610:55 pm -
1 stop37h 30m
Tue 12/19:40 pm -
2 stops29h 50m
Deal found 10/17![Multiple Airlines logo]()
$1,118
One-way flights from Colorado to AustraliaSearch for one-way flight options from Colorado to Australia. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Colorado to Australia. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:46 pm -
1 stop22h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Sat 12/510:29 pm -
2 stops51h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$589
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:04 pm -
1 stop26h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Wed 11/1112:54 pm -
1 stop26h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Wed 11/1112:54 pm -
1 stop23h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 10/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:17 pm -
1 stop24h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$641
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Sat 12/510:29 pm -
1 stop38h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Sat 11/216:42 am -
3 stops54h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$664
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Mon 2/1510:29 pm -
2 stops37h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$666
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Sun 3/2810:29 pm -
2 stops52h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$674
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Tue 11/1012:54 pm -
1 stop23h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$676
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 1/317:00 am -
2 stops29h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Alaska Airlines logo]()
$677
Find flight deals from Colorado to Australia
Keep the following information in mind while searching for Colorado to Australia flight deals. Data was last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $997 (Trip.com) |
One-way from | $578 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,418 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Australia 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 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Colorado to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Sat 12/5
10:29 pm-7:45 pm
2 stops51h 16m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$589
AspenSydney
ASE Aspen Pitkin County - SYD Sydney Kingsford Smith
ASESYD
Aspen Pitkin County
Mon 11/2
12:04 pm-8:30 am
1 stop26h 26m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$591
DenverMelbourne
DEN Denver Intl - MEL Melbourne
DENMEL
Denver Intl
Wed 11/11
12:54 pm-9:30 am
1 stop26h 36m
Melbourne
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$625
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Wed 12/9
4:35 pm-6:25 am
2 stops43h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$636
AspenSydney
ASE Aspen Pitkin County - SYD Sydney Kingsford Smith
ASESYD
Aspen Pitkin County
Mon 11/2
2:17 pm-9:05 am
1 stop24h 48m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$641
DenverMelbourne
DEN Denver Intl - MEL Melbourne
DENMEL
Denver Intl
Sat 11/21
6:42 am-7:30 am
3 stops54h 48m
Melbourne
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$664
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Wed 11/11
9:15 am-6:25 am
2 stops27h 10m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$671
DenverBrisbane
DEN Denver Intl - BNE Brisbane
DENBNE
Denver Intl
Tue 11/10
12:54 pm-5:50 am
1 stop23h 56m
Brisbane
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$676
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Sun 1/31
7:00 am-6:25 am
2 stops29h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$677
Quickest round-trip
DenverBrisbane
DEN Denver Intl - BNE Brisbane
DENBNE
Denver Intl
Sun 2/21
2:22 pm-5:50 am
1 stop22h 28m
Brisbane
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$680
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Colorado with our price prediction graph.
DEN-SYD
DEN-MEL
DEN-BNE
DEN-WSI
ASE-SYD
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 Colorado to Australia
USCO-AU0
DEN-SYD
DEN-MEL
DEN-BNE
DEN-WSI
What is the cheapest month to book a flight from Colorado to Australia?
Currently, April is the cheapest month in which you can book a flight from Colorado to Australia (average of $1,154). Flying from Colorado to Australia in December is currently the most expensive (average of $1,987). 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.
How far ahead should I book a flight from Colorado to Australia?
Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Alternative routes for Colorado to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Australia by cabin class
Find flights from Colorado to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Australia flights
Browse other Colorado and Australia flight options. Last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Australia
Find the right flight back to Colorado after your stay in Australia
Colorado to Australia flights
Consider these flights traveling from Colorado to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 7 airlines flying from Colorado to Australia
Discover the top 7 airlines that operate flights from Colorado to Australia. 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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$575 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$682 | Average$741 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$770 | Average$1,421 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$836 | Average$1,346 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$844 | Average$1,606 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$850 | Average$1,545 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,033 | Average$1,367 | FlexibilityNo cancel fee | On-time78% |