$535+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Nov 29 — Dec 61
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 October 30, 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 30, 2026.
This Trip.com deal was found by Cheapflights users on 10/25. 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 12/79:12 am -
2 stops33h 23m
Tue 12/156:00 am -
2 stops31h 45m
Deal found 10/25![Multiple Airlines logo]()
$921
This Trip.com deal was found by Cheapflights users on 10/27. 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 12/19:50 am -
1 stop29h 10m
Sat 12/57:05 am -
2 stops26h 09m
Deal found 10/27![Multiple Airlines logo]()
$994
This Air Canada deal was found by Cheapflights users on 10/25. 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 10/2811:39 am -
2 stops27h 56m
Tue 11/311:20 am -
2 stops24h 43m
Deal found 10/25![Air Canada logo]()
$1,011
This FlightHub deal was found by Cheapflights users on 10/26. 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.
Mon 10/2611:18 am -
2 stops28h 17m
Wed 11/1111:20 am -
1 stop24h 53m
Deal found 10/26![Air Canada logo]()
$1,047
This Mytrip deal was found by Cheapflights users on 10/26. 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 12/21:54 pm -
2 stops28h 41m
Sun 12/132:00 pm -
2 stops23h 45m
Deal found 10/26![Multiple Airlines logo]()
$1,079
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/3110:48 pm -
1 stop37h 37m
Mon 1/252:00 pm -
2 stops24h 19m
Deal found 10/25![Multiple Airlines logo]()
$1,086
This Gotogate deal was found by Cheapflights users on 10/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:15 am -
1 stop31h 20m
Sun 11/811:20 am -
1 stop19h 23m
Deal found 10/25![Air Canada logo]()
$1,120
This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 pm -
1 stop20h 35m
Tue 12/811:20 am -
1 stop24h 53m
Deal found 10/25![Air Canada logo]()
$1,145
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/96:50 am -
1 stop30h 05m
Wed 12/302:05 pm -
1 stop26h 23m
Deal found 10/25![American Airlines logo]()
$1,272
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/512:05 pm -
1 stop24h 55m
Thu 11/129:10 am -
1 stop20h 09m
Deal found 10/29![United Airlines logo]()
$1,338
This United Airlines deal was found by Cheapflights users on 10/29. 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 10/295:10 pm -
2 stops22h 30m
Thu 11/59:10 am -
1 stop30h 35m
Deal found 10/29![United Airlines logo]()
$1,346
This Delta deal was found by Cheapflights users on 10/27. 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 11/2412:23 pm -
1 stop26h 07m
Tue 12/110:40 am -
1 stop21h 10m
Deal found 10/27![Delta logo]()
$1,448
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 30, 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 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/911:58 am -
2 stops24h 57m
Wed 12/302:05 pm -
1 stop20h 31m
Deal found 10/25![American Airlines logo]()
$1,276
This United Airlines deal was found by Cheapflights users on 10/25. 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 10/25![United Airlines logo]()
$1,404
This Delta deal was found by Cheapflights users on 10/27. 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 11/2412:23 pm -
1 stop26h 07m
Tue 12/110:40 am -
1 stop21h 10m
Deal found 10/27![Delta logo]()
$1,448
This Qantas Airways deal was found by Cheapflights users on 10/26. 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.
Tue 3/235:06 pm -
1 stop20h 49m
Mon 4/512:00 pm -
1 stop20h 33m
Deal found 10/26![Qantas Airways logo]()
$1,498
This Cathay Pacific deal was found by Cheapflights users on 10/26. 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.
Thu 3/257:00 am -
2 stops44h 50m
Fri 4/28:40 am -
2 stops32h 19m
Deal found 10/26![Cathay Pacific logo]()
$1,672
This Bravofly deal was found by Cheapflights users on 10/27. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:17 pm -
2 stops24h 18m
Tue 12/17:25 pm -
2 stops58h 56m
Deal found 10/27![Air New Zealand logo]()
$1,886
This Booking.com deal was found by Cheapflights users on 10/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3010:29 am -
2 stops29h 06m
Sun 1/249:00 am -
3 stops23h 40m
Deal found 10/28![Air Canada logo]()
$2,951
This Qantas Airways deal was found by Cheapflights users on 10/26. 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 3/225:06 pm -
1 stop20h 49m
Tue 4/612:00 pm -
1 stop20h 34m
Deal found 10/26![Qantas Airways logo]()
$1,498
This United Airlines deal was found by Cheapflights users on 10/26. 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 2/812:10 pm -
1 stop24h 50m
Fri 2/129:15 am -
1 stop20h 08m
Deal found 10/26![United Airlines logo]()
$1,538
This Delta deal was found by Cheapflights users on 10/28. 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 10/28![Delta logo]()
$1,599
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/233:16 pm -
2 stops25h 04m
Tue 3/3010:30 am -
2 stops23h 30m
Deal found 10/26![United Airlines logo]()
$1,542
This Cathay Pacific deal was found by Cheapflights users on 10/27. 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.
Sat 3/131:42 pm -
2 stops37h 08m
Mon 3/298:40 am -
2 stops32h 19m
Deal found 10/27![Cathay Pacific logo]()
$1,783
This Delta deal was found by Cheapflights users on 10/28. 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 11/307:59 pm -
1 stop18h 31m
Sun 12/610:40 am -
1 stop26h 16m
Deal found 10/28![Delta logo]()
$1,649
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/213:16 pm -
2 stops22h 04m
Tue 3/3010:30 am -
2 stops26h 57m
Deal found 10/26![United Airlines logo]()
$1,542
This Delta deal was found by Cheapflights users on 10/26. 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 3/247:15 pm -
1 stop19h 05m
Sun 3/289:40 am -
1 stop18h 49m
Deal found 10/26![Delta logo]()
$1,649
This Ovago deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:50 am -
2 stops29h 35m
Sun 1/242:05 pm -
1 stop20h 26m
Deal found 10/28![Qantas Airways logo]()
$1,814
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/213:16 pm -
2 stops25h 04m
Mon 3/2910:30 am -
2 stops21h 08m
Deal found 10/26![United Airlines logo]()
$1,542
This Delta deal was found by Cheapflights users on 10/29. 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 11/186:00 am -
2 stops32h 30m
Sat 11/2810:40 am -
1 stop26h 24m
Deal found 10/29![Delta logo]()
$1,654
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/253:16 pm -
2 stops23h 49m
Fri 4/210:30 am -
2 stops21h 08m
Deal found 10/26![United Airlines logo]()
$1,542
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/243:16 pm -
2 stops23h 49m
Thu 4/110:30 am -
2 stops23h 30m
Deal found 10/26![United Airlines logo]()
$1,542
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/222:45 pm -
2 stops25h 35m
Wed 3/3111:20 am -
2 stops22h 45m
Deal found 10/26![United Airlines logo]()
$1,542
This Delta deal was found by Cheapflights users on 10/29. 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 12/912:52 pm -
1 stop25h 38m
Sun 12/2010:40 am -
1 stop18h 51m
Deal found 10/29![Delta logo]()
$1,870
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/227:00 am -
2 stops32h 05m
Sat 4/310:30 am -
2 stops27h 10m
Deal found 10/26![United Airlines logo]()
$1,542
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/141:04 pm -
1 stop23h 51m
Mon 12/216:05 am -
2 stops28h 20m
Deal found 10/30![Qantas Airways logo]()
$2,725
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/232:45 pm -
2 stops25h 35m
Sun 4/410:20 am -
2 stops26h 20m
Deal found 10/26![United Airlines logo]()
$1,542
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/182:45 pm -
2 stops25h 35m
Thu 4/111:20 am -
2 stops22h 45m
Deal found 10/26![United Airlines logo]()
$1,542
This BusinessClass deal was found by Cheapflights users on 10/29. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:15 pm -
1 stop23h 40m
Sun 1/242:05 pm -
1 stop20h 26m
Deal found 10/29![Qantas Airways logo]()
$2,781
This Booking.com deal was found by Cheapflights users on 10/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 pm -
2 stops42h 55m
Wed 12/308:00 am -
3 stops24h 40m
Deal found 10/25![Air Canada logo]()
$3,941
This KAYAK deal was found by Cheapflights users on 10/26. 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.
Sun 12/136:50 am -
1 stop30h 05m
Sun 1/32:05 pm -
1 stop26h 43m
Deal found 10/26![Qantas Airways logo]()
$3,628
This United Airlines deal was found by Cheapflights users on 10/29. 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 10/29![United Airlines logo]()
$2,299
Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Sydney. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/29. 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 10/295:10 pm -
2 stops22h 30m
Thu 11/59:10 am -
1 stop30h 35m
Deal found 10/29![United Airlines logo]()
$1,346
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/512:05 pm -
1 stop24h 55m
Thu 11/129:10 am -
1 stop20h 09m
Deal found 10/29![United Airlines logo]()
$1,338
This Air Canada deal was found by Cheapflights users on 10/25. 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 11/911:18 am -
2 stops28h 17m
Fri 11/1311:20 am -
2 stops48h 43m
Deal found 10/25![Air Canada logo]()
$1,181
This oojo deal was found by Cheapflights users on 10/26. 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 11/95:00 am -
2 stops33h 35m
Thu 11/129:55 am -
2 stops26h 01m
Deal found 10/26![Air New Zealand logo]()
$1,244
This Air Canada deal was found by Cheapflights users on 10/25. 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 10/25![Air Canada logo]()
$1,198
This Air Canada deal was found by Cheapflights users on 10/25. 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 -
2 stops26h 05m
Sat 12/127:25 pm -
2 stops35h 18m
Deal found 10/25![Multiple Airlines logo]()
$1,228
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/242:20 pm -
1 stop22h 05m
Sat 11/286:00 am -
2 stops32h 16m
Deal found 10/27![Multiple Airlines logo]()
$1,170
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/242:20 pm -
1 stop22h 05m
Tue 12/19:40 pm -
2 stops36h 19m
Deal found 10/25![Multiple Airlines logo]()
$1,242
This Delta deal was found by Cheapflights users on 10/27. 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 11/2412:23 pm -
1 stop26h 07m
Tue 12/110:40 am -
1 stop21h 10m
Deal found 10/27![Delta logo]()
$1,448
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/241:15 pm -
1 stop23h 40m
Tue 12/111:10 am -
2 stops23h 16m
Deal found 10/27![American Airlines logo]()
$1,449
This oojo deal was found by Cheapflights users on 10/25. 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 11/286:00 am -
2 stops32h 35m
Fri 12/182:05 pm -
2 stops21h 50m
Deal found 10/25![Air New Zealand logo]()
$1,292
This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 pm -
1 stop20h 35m
Tue 12/811:20 am -
1 stop24h 53m
Deal found 10/25![Air Canada logo]()
$1,145
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 30, 2026.
Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 2/239:20 am -
2 stops40h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 3/22:22 pm -
2 stops35h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 3/12:22 pm -
2 stops35h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 2/2710:29 pm -
2 stops51h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 2/2410:29 pm -
1 stop37h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$568
This Trip.com deal was found by Cheapflights users on 10/26. 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 12/19:50 am -
1 stop26h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Fri 2/262:22 pm -
1 stop22h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/21:54 pm -
1 stop22h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 2/252:22 pm -
1 stop22h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$576
This Delta deal was found by Cheapflights users on 10/27. 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 11/2412:23 pm -
1 stop26h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$768
This Bravofly deal was found by Cheapflights users on 10/26. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1511:32 am -
1 stop27h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Qantas Airways logo]()
$850
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/2412:23 pm -
3 stops51h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$1,023
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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $921 (Trip.com) |
One-way from | $535 (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 30, 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
Fri 2/26
7:00 am-6:25 am
2 stops29h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$585
Quickest round-trip
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Wed 2/10
2:22 pm-6:25 am
1 stop22h 03m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$587
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Wed 2/24
7:00 am-6:25 am
2 stops29h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$600
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Tue 12/8
9:53 am-6:25 am
1 stop26h 32m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$602
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Tue 12/1
10:29 pm-6:25 am
3 stops37h 56m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$612
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Mon 12/7
10:29 pm-10:30 am
2 stops42h 01m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$614
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Sun 2/28
3:45 pm-8:15 pm
3 stops34h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$645
AspenSydney
ASE Aspen Pitkin County - SYD Sydney Kingsford Smith
ASESYD
Aspen Pitkin County
Tue 11/24
12:23 pm-8:30 am
1 stop26h 07m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$768
DenverSydney
DEN Denver Intl - SYD Sydney Kingsford Smith
DENSYD
Denver Intl
Wed 12/30
7:30 pm-7:25 pm
2 stops53h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$846
AspenSydney
ASE Aspen Pitkin County - SYD Sydney Kingsford Smith
ASESYD
Aspen Pitkin County
Fri 1/15
11:32 am-9:00 am
1 stop27h 28m
Sydney Kingsford Smith
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$850
Showing 1-10 of 50 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
COS-SYD
GJT-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
COS-SYD
GJT-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 $1,939). 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 $1,285 and $1,760 in December.The cheapest round-trip price found within the last 5 days was $921 on Multiple Airlines (Dec 7-Dec 15).
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 20 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 30, 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 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$197 | Average$1,095 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$684 | Average$781 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$836 | Average$1,233 | 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% |