$578+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Nov 19 — Nov 261
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to Sydney
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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 October 20, 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 October 20, 2026.
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:53 pm -
1 stop23h 42m
Tue 11/311:20 am -
1 stop23h 06m
Deal found 10/19![Air Canada logo]()
$1,010
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:30 pm -
2 stops26h 05m
Mon 11/2311:20 am -
2 stops23h 16m
Deal found 10/19![Multiple Airlines logo]()
$1,015
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Mon 10/267:00 pm -
1 stop20h 35m
Wed 11/119:00 am -
2 stops21h 43m
Deal found 10/20![Air Canada logo]()
$1,026
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Mon 10/267:00 pm -
2 stops25h 15m
Wed 11/119:00 am -
2 stops21h 43m
Deal found 10/20![Multiple Airlines logo]()
$1,056
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 pm -
1 stop20h 35m
Sat 12/127:25 pm -
2 stops35h 18m
Deal found 10/19![Air Canada logo]()
$1,062
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 Air Canada deal was found by Cheapflights users on 10/20. 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.
Sun 11/17:00 pm -
2 stops25h 40m
Sat 11/1411:20 am -
1 stop19h 23m
Deal found 10/20![Air Canada logo]()
$1,128
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Sun 11/17:00 pm -
2 stops27h 40m
Sat 11/1411:20 am -
2 stops23h 25m
Deal found 10/20![Multiple Airlines logo]()
$1,138
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 Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:54 pm -
1 stop24h 01m
Thu 11/197:20 am -
2 stops23h 07m
Deal found 10/19![Multiple Airlines logo]()
$1,195
This United Airlines 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 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 10/19![United Airlines logo]()
$1,286
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 October 20, 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 October 20, 2026.
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:54 pm -
1 stop24h 01m
Thu 11/197:20 am -
2 stops23h 07m
Deal found 10/19![Multiple Airlines logo]()
$1,195
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 American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:23 pm -
2 stops25h 37m
Thu 12/1011:15 am -
2 stops24h 56m
Deal found 10/19![American Airlines logo]()
$1,374
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:36 pm -
1 stop25h 54m
Wed 11/1810:40 am -
1 stop26h 12m
Deal found 10/19![Delta logo]()
$1,598
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/245:31 pm -
2 stops33h 19m
Thu 3/410:20 pm -
2 stops42h 02m
Deal found 10/15![Cathay Pacific logo]()
$1,628
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/241:27 pm -
1 stop23h 28m
Thu 3/42:05 pm -
1 stop20h 43m
Deal found 10/15![Qantas Airways logo]()
$1,736
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:14 am -
2 stops28h 21m
Thu 11/1211:20 am -
2 stops30h 39m
Deal found 10/19![Air Canada logo]()
$1,741
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/187:30 am -
2 stops31h 30m
Sun 5/29:30 am -
2 stops27h 01m
Deal found 10/19![United Airlines logo]()
$1,403
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.
Sun 11/1512:52 pm -
1 stop25h 38m
Mon 11/3010:40 am -
1 stop19h 21m
Deal found 10/16![Delta logo]()
$1,599
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2410:33 am -
2 stops25h 52m
Fri 3/52:05 pm -
1 stop20h 43m
Deal found 10/15![Qantas Airways logo]()
$1,743
This British Airways 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 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 11/244:20 pm -
3 stops48h 44m
Deal found 10/18![British Airways logo]()
$3,525
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:00 pm -
2 stops23h 25m
Wed 12/911:05 am -
3 stops27h 19m
Deal found 10/18![Multiple Airlines logo]()
$1,932
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.
Thu 12/2412:29 pm -
2 stops26h 01m
Thu 12/311:35 pm -
1 stop21h 50m
Deal found 10/18![Delta logo]()
$1,827
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/123:00 pm -
2 stops25h 35m
Sun 2/2111:50 am -
2 stops28h 25m
Deal found 10/18![Air New Zealand logo]()
$2,353
This Singapore 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/157:15 pm -
2 stops33h 00m
Sun 3/284:00 pm -
3 stops47h 59m
Deal found 10/15![Multiple Airlines logo]()
$2,174
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.
Wed 12/238:00 am -
2 stops30h 30m
Wed 12/3010:40 am -
2 stops31h 06m
Deal found 10/18![Delta logo]()
$2,051
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:35 am -
1 stop29h 25m
Thu 11/129:10 am -
1 stop20h 09m
Deal found 10/19![United Airlines logo]()
$2,297
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.
Wed 11/47:55 am -
3 stops40h 00m
Wed 11/1812:15 pm -
2 stops41h 41m
Deal found 10/18![Multiple Airlines logo]()
$2,287
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2412:09 pm -
1 stop26h 51m
Mon 1/411:10 am -
1 stop26h 20m
Deal found 10/17![Qantas Airways logo]()
$2,570
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/209:55 pm -
1 stop41h 25m
Thu 12/3111:20 am -
1 stop26h 29m
Deal found 10/15![United Airlines logo]()
$2,510
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:58 am -
2 stops24h 27m
Thu 12/1011:05 am -
3 stops25h 06m
Deal found 10/19![Multiple Airlines logo]()
$2,471
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:24 pm -
3 stops48h 31m
Mon 11/304:20 pm -
3 stops43h 01m
Deal found 10/16![British Airways logo]()
$3,691
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 pm -
1 stop21h 05m
Fri 1/111:20 am -
1 stop24h 35m
Deal found 10/19![United Airlines logo]()
$3,097
This Singapore Airlines 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:55 am -
3 stops40h 00m
Sun 11/157:10 pm -
2 stops61h 24m
Deal found 10/19![Multiple Airlines logo]()
$3,294
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/137:06 pm -
2 stops41h 19m
Mon 3/151:05 pm -
1 stop20h 28m
Deal found 10/19![Qantas Airways logo]()
$9,972
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/137:00 am -
2 stops56h 05m
Mon 3/159:15 am -
2 stops28h 38m
Deal found 10/19![United Airlines logo]()
$9,036
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/137:00 am -
3 stops29h 25m
Mon 3/1511:05 am -
3 stops24h 16m
Deal found 10/19![Multiple Airlines logo]()
$12,316
Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Sydney. Data last updated October 20, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Mon 10/267:00 pm -
1 stop20h 35m
Wed 11/119:00 am -
2 stops21h 43m
Deal found 10/20![Air Canada logo]()
$1,026
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Mon 10/267:00 pm -
2 stops25h 15m
Wed 11/119:00 am -
2 stops21h 43m
Deal found 10/20![Multiple Airlines logo]()
$1,056
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 Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:53 pm -
1 stop23h 42m
Tue 11/311:20 am -
1 stop23h 06m
Deal found 10/19![Air Canada logo]()
$1,010
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Sun 11/17:00 pm -
2 stops25h 40m
Sat 11/1411:20 am -
1 stop19h 23m
Deal found 10/20![Air Canada logo]()
$1,128
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Sun 11/17:00 pm -
2 stops27h 40m
Sat 11/1411:20 am -
2 stops23h 25m
Deal found 10/20![Multiple Airlines logo]()
$1,138
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:54 pm -
1 stop24h 01m
Thu 11/197:20 am -
2 stops23h 07m
Deal found 10/19![Multiple Airlines logo]()
$1,195
This United Airlines 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 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 10/19![United Airlines logo]()
$1,286
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:30 pm -
2 stops26h 05m
Mon 11/2311:20 am -
2 stops23h 16m
Deal found 10/19![Multiple Airlines logo]()
$1,015
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 Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 pm -
1 stop20h 35m
Sat 12/127:25 pm -
2 stops35h 18m
Deal found 10/19![Air Canada logo]()
$1,062
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 October 20, 2026.
Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated October 20, 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 10/17. 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 10/19. 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 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 10/19![United Airlines logo]()
$641
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.
Sat 11/145:05 pm -
2 stops43h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![United Airlines logo]()
$647
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.
Wed 11/41:05 pm -
2 stops23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$681
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:54 pm -
1 stop23h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$689
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:55 pm -
2 stops38h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$690
This Trip.com deal was found by Cheapflights users on 10/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:10 am -
1 stop29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$693
This AOBTravel 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 AOBTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2111:55 am -
2 stops27h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Lufthansa logo]()
$765
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.
Sun 2/2111:55 am -
1 stop25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$767
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 October 20, 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 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 October 20, 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
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
Colorado SpringsSydney
COS Colorado Springs - SYD Sydney Kingsford Smith
COSSYD
Colorado Springs
Sat 11/14
5:05 pm-7:00 am
2 stops43h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$647
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
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Sat 11/21
9:55 pm-6:25 am
2 stops38h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$690
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Tue 12/29
10:48 pm-6:25 am
1 stop37h 37m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$712
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Tue 11/3
6:42 pm-10:00 am
3 stops45h 18m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$727
Colorado SpringsSydney
COS Colorado Springs - SYD Sydney Kingsford Smith
COSSYD
Colorado Springs
Sun 2/21
11:55 am-7:00 am
1 stop25h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$767
HaydenSydney
HDN Hayden Yampa Valley - SYD Sydney Kingsford Smith
HDNSYD
Hayden Yampa Valley
Mon 2/8
12:35 pm-9:05 am
2 stops26h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$767
HaydenSydney
HDN Hayden Yampa Valley - SYD Sydney Kingsford Smith
HDNSYD
Hayden Yampa Valley
Mon 2/8
1:12 pm-6:55 am
1 stop23h 43m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$801
Showing 1-10 of 54 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
ASE-SYD
GJT-SYD
COS-SYD
HDN-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
ASE-SYD
GJT-SYD
COS-SYD
What is the cheapest month to book a flight from Colorado to Sydney?
Currently, April 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 $1,895). 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 below average for this route at the moment.
Colorado to Sydney flights typically cost between $1,212 and $1,770 in February.The cheapest round-trip price found within the last 5 days was $997 on Multiple Airlines (Feb 5-Feb 13).
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 21 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
Find flights from Colorado to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Sydney flights
Browse other Colorado and Sydney flight options. Last updated on October 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 October 20, 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 October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$197 | Average$1,105 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$684 | Average$781 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$836 | Average$1,225 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$844 | Average$1,624 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$850 | Average$1,409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,050 | Average$1,412 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,180 | Average$1,374 | FlexibilityNo cancel fee | On-time78% |