$490+ Cheap flights from Colorado to Sydney (SYD)
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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Colorado 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
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Cheapest flights from Colorado to SydneyExplore 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 September 15, 2026.
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 September 15, 2026.
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Tue 12/86:25 am -
2 stops36h 10m
Fri 2/52:00 pm -
2 stops24h 19m
Deal found 9/10![Multiple Airlines logo]()
$1,045
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:10 pm -
2 stops39h 40m
Tue 11/39:55 am -
2 stops25h 40m
Deal found 9/12![Multiple Airlines logo]()
$1,081
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:10 pm -
2 stops30h 40m
Mon 10/262:00 pm -
3 stops36h 09m
Deal found 9/14![Multiple Airlines logo]()
$1,088
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:10 pm -
2 stops25h 25m
Sun 11/152:05 pm -
2 stops21h 58m
Deal found 9/12![Multiple Airlines logo]()
$1,089
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:10 pm -
2 stops30h 25m
Wed 11/42:00 pm -
3 stops27h 49m
Deal found 9/13![Multiple Airlines logo]()
$1,122
This Trip.com deal was found by Cheapflights users on 9/11. 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.
Mon 9/211:46 pm -
3 stops30h 04m
Fri 10/162:15 pm -
3 stops39h 26m
Deal found 9/11![Multiple Airlines logo]()
$1,133
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.
Mon 10/264:05 pm -
2 stops23h 30m
Wed 11/112:05 pm -
2 stops21h 51m
Deal found 9/15![Air New Zealand logo]()
$1,139
This oojo deal was found by Cheapflights users on 9/11. 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.
Sun 10/187:40 am -
2 stops32h 05m
Wed 10/2811:50 am -
2 stops25h 10m
Deal found 9/11![Air New Zealand logo]()
$1,140
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:05 pm -
2 stops40h 45m
Thu 11/511:50 am -
2 stops27h 55m
Deal found 9/14![Air New Zealand logo]()
$1,261
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 11/1712:05 pm -
1 stop24h 55m
Wed 12/169:15 am -
1 stop20h 06m
Deal found 9/11![United Airlines logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/152:55 pm -
2 stops24h 25m
Wed 12/1611:50 am -
2 stops20h 44m
Deal found 9/11![United Airlines logo]()
$1,302
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/1512:05 pm -
1 stop24h 55m
Mon 12/149:20 am -
1 stop30h 17m
Deal found 9/11![United Airlines logo]()
$1,311
Best flights from Colorado to SydneyDiscover carefully curated flight deals from Colorado to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Colorado to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:05 pm -
1 stop24h 55m
Tue 12/1511:50 am -
2 stops20h 44m
Deal found 9/13![United Airlines logo]()
$1,299
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:37 pm -
1 stop25h 53m
Tue 12/110:40 am -
1 stop18h 47m
Deal found 9/14![Delta logo]()
$1,636
This Singapore Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 2/2412:59 pm -
2 stops34h 56m
Sun 2/283:50 pm -
3 stops49h 09m
Deal found 9/11![Multiple Airlines logo]()
$2,566
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/231:20 pm -
2 stops23h 40m
Wed 12/1611:50 am -
2 stops22h 34m
Deal found 9/11![United Airlines logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/215:10 pm -
2 stops21h 55m
Mon 12/149:20 am -
1 stop19h 48m
Deal found 9/10![United Airlines logo]()
$1,346
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/2312:05 pm -
1 stop24h 55m
Thu 12/179:20 am -
1 stop19h 59m
Deal found 9/11![United Airlines logo]()
$1,348
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
2 stops32h 30m
Fri 12/1810:40 am -
1 stop31h 23m
Deal found 9/14![Delta logo]()
$1,640
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:27 pm -
3 stops46h 28m
Sun 11/294:20 pm -
2 stops40h 50m
Deal found 9/14![British Airways logo]()
$3,493
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 11/1712:05 pm -
1 stop24h 55m
Fri 12/1811:50 am -
2 stops26h 57m
Deal found 9/11![United Airlines logo]()
$1,348
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:10 pm -
2 stops21h 55m
Fri 12/1811:50 am -
2 stops26h 57m
Deal found 9/14![United Airlines logo]()
$1,353
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:55 pm -
2 stops24h 10m
Sun 12/139:15 am -
1 stop20h 06m
Deal found 9/14![United Airlines logo]()
$1,353
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/2011:34 am -
2 stops27h 31m
Mon 12/149:20 am -
1 stop19h 48m
Deal found 9/10![United Airlines logo]()
$1,391
This Delta deal was found by Cheapflights users on 9/10. 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 12/2112:27 pm -
1 stop26h 03m
Wed 12/3010:40 am -
1 stop18h 52m
Deal found 9/10![Delta logo]()
$2,311
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:35 am -
1 stop30h 25m
Thu 11/59:20 am -
1 stop19h 59m
Deal found 9/14![United Airlines logo]()
$1,410
This Delta deal was found by Cheapflights users on 9/10. 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 12/218:00 am -
2 stops30h 30m
Mon 12/2810:40 am -
2 stops25h 00m
Deal found 9/10![Delta logo]()
$2,315
This Singapore Airlines deal was found by Cheapflights users on 9/11. 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 11/157:55 am -
3 stops40h 00m
Mon 11/303:50 pm -
3 stops49h 09m
Deal found 9/11![Multiple Airlines logo]()
$3,017
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 11/122:17 pm -
1 stop24h 48m
Mon 11/1611:20 am -
1 stop20h 16m
Deal found 9/10![United Airlines logo]()
$1,501
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:24 pm -
3 stops48h 31m
Tue 12/14:20 pm -
2 stops40h 50m
Deal found 9/14![British Airways logo]()
$3,493
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/81:20 pm -
2 stops25h 45m
Thu 11/1211:20 am -
2 stops21h 00m
Deal found 9/12![United Airlines logo]()
$1,505
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:35 am -
1 stop30h 25m
Sun 11/19:15 am -
1 stop20h 04m
Deal found 9/14![United Airlines logo]()
$1,530
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:15 pm -
2 stops25h 40m
Sun 10/2510:30 am -
1 stop20h 06m
Deal found 9/14![United Airlines logo]()
$1,535
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 12/176:00 am -
1 stop30h 20m
Tue 12/2911:50 am -
1 stop19h 01m
Deal found 9/10![United Airlines logo]()
$2,575
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 12/176:00 am -
1 stop30h 20m
Sun 12/2711:50 am -
1 stop19h 01m
Deal found 9/10![United Airlines logo]()
$2,625
Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Sydney. Data last updated September 15, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/11. 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.
Mon 9/211:46 pm -
3 stops30h 04m
Fri 10/162:15 pm -
3 stops39h 26m
Deal found 9/11![Multiple Airlines logo]()
$1,133
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:11 pm -
2 stops20h 39m
Mon 9/289:15 am -
2 stops24h 16m
Deal found 9/15![Delta logo]()
$1,516
This oojo deal was found by Cheapflights users on 9/11. 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.
Sun 10/187:40 am -
2 stops32h 05m
Wed 10/2811:50 am -
2 stops25h 10m
Deal found 9/11![Air New Zealand logo]()
$1,140
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:10 pm -
2 stops30h 40m
Mon 10/262:00 pm -
3 stops36h 09m
Deal found 9/14![Multiple Airlines logo]()
$1,088
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:12 pm -
1 stop19h 48m
Sun 10/2510:30 am -
1 stop20h 06m
Deal found 9/12![United Airlines logo]()
$1,530
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:05 pm -
2 stops42h 30m
Sun 11/17:25 pm -
2 stops40h 31m
Deal found 9/12![Air New Zealand logo]()
$1,168
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.
Mon 10/264:05 pm -
2 stops23h 30m
Wed 11/112:05 pm -
2 stops21h 51m
Deal found 9/15![Air New Zealand logo]()
$1,139
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:10 pm -
2 stops39h 40m
Tue 11/39:55 am -
2 stops25h 40m
Deal found 9/12![Multiple Airlines logo]()
$1,081
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:10 pm -
2 stops30h 25m
Wed 11/42:00 pm -
3 stops27h 49m
Deal found 9/13![Multiple Airlines logo]()
$1,122
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:35 am -
1 stop30h 25m
Sun 11/19:15 am -
1 stop20h 04m
Deal found 9/14![United Airlines logo]()
$1,530
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:05 pm -
2 stops40h 45m
Thu 11/511:50 am -
2 stops27h 55m
Deal found 9/14![Air New Zealand logo]()
$1,261
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:55 pm -
2 stops23h 05m
Thu 11/59:20 am -
1 stop19h 59m
Deal found 9/14![United Airlines logo]()
$1,410
One-way flights from Colorado to SydneySearch for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/1710:55 pm -
1 stop37h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/189:10 am -
1 stop27h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 9/11. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/51:10 pm -
1 stop23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/310:55 pm -
1 stop37h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$503
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:55 pm -
1 stop38h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$507
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:00 am -
1 stop29h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$517
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:55 pm -
1 stop38h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$518
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:55 pm -
1 stop38h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$519
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 am -
2 stops29h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$536
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:00 am -
1 stop29h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/157:00 am -
2 stops32h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$694
Find flight deals from Colorado to Sydney
Keep the following information in mind while searching for Colorado to Sydney flight deals. Data was last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,045 (Trip.com) |
One-way from | $490 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,185 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Colorado to Sydney 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
Tue 10/27
10:55 pm-6:25 am
1 stop38h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$519
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Thu 10/29
9:10 am-6:25 am
1 stop28h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$574
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Sat 10/31
9:15 am-6:25 am
2 stops28h 10m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$606
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Mon 11/30
11:10 am-6:25 am
2 stops49h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$615
Colorado SpringsSydney
COS Colorado Springs - SYD Sydney Kingsford Smith
COSSYD
Colorado Springs
Sun 11/15
7:00 am-9:05 am
2 stops32h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$694
Colorado SpringsSydney
COS Colorado Springs - SYD Sydney Kingsford Smith
COSSYD
Colorado Springs
Sat 11/21
6:25 pm-7:00 am
2 stops42h 35m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$700
Colorado SpringsSydney
COS Colorado Springs - SYD Sydney Kingsford Smith
COSSYD
Colorado Springs
Fri 11/20
6:25 pm-9:20 am
2 stops44h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$766
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Tue 12/1
11:30 am-8:15 pm
2 stops38h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$773
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Thu 10/22
2:10 pm-9:00 am
3 stops49h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$803
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Thu 11/19
8:20 am-7:15 am
2 stops52h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$823
Showing 1-10 of 38 resultsSorted by cheapest first
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.
DEN-SYD
COS-SYD
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 Sydney
USCO-SYD
DEN-SYD
COS-SYD
ASE-SYD
What is the cheapest month to book a flight from Colorado to Sydney?
Currently, May is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,180). Flying from Colorado to Sydney in December is currently the most expensive (average of $1,797). 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 much does it cost to fly round-trip from Colorado to Sydney?
Airfare is typical for this route at the moment.
Colorado to Sydney flights typically cost between $840 and $1,469 in December.The cheapest round-trip price found within the last 5 days was $1,045 on Multiple Airlines (Dec 8-Feb 5).
How far ahead should I book a flight from Colorado to Sydney?
To ensure you get the cheapest price possible for a flight from Colorado to Sydney, you should look to book at least 13 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.
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
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Alternative routes for Colorado to Sydney
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Complete your trip
Complete your trip to Sydney by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Sydney by cabin class
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Colorado and Sydney flights
Browse other Colorado and Sydney flight options. Last updated on September 15, 2026.
Popular flight searches
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Other flights to Sydney
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Colorado to Sydney flights
Consider these flights traveling from Colorado to Sydney.
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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$215 | Average$1,258 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$684 | Average$781 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$844 | Average$1,550 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$849 | Average$1,365 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$853 | Average$1,460 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,050 | Average$1,426 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,179 | Average$1,320 | FlexibilityNo cancel fee | On-time78% |