$446+ Cheap flights from Colorado to Australia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Cheapest flights from Colorado to AustraliaExplore the most affordable flight options available from Colorado to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from Colorado to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Trip.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Fri 8/217:00 am
DEN
- SYD
2 stops36h 50m
Multiple Airlines
Sun 8/306:00 am
SYD
- DEN
2 stops34h 40m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$947
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/237:00 am
DEN
- SYD
2 stops47h 10m
Multiple Airlines
Mon 8/311:15 pm
SYD
- DEN
2 stops27h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$971
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Fri 5/86:00 am
DEN
- SYD
3 stops48h 10m
Multiple Airlines
Sat 5/301:15 pm
SYD
- DEN
2 stops22h 51m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$984
This Trip.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/2712:32 pm
DEN
- SYD
2 stops31h 18m
Multiple Airlines
Mon 8/31:15 pm
SYD
- DEN
2 stops27h 21m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,011
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 8/237:00 am
DEN
- SYD
2 stops47h 10m
Multiple Airlines
Sat 9/51:15 pm
SYD
- DEN
2 stops27h 25m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,012
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/197:25 am
DEN
- SYD
1 stop32h 05m
Multiple Airlines
Mon 8/311:15 pm
SYD
- DEN
2 stops36h 47m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$1,088
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/187:25 am
DEN
- SYD
1 stop32h 05m
Multiple Airlines
Mon 8/311:15 pm
SYD
- DEN
2 stops36h 47m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,091
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Sat 5/166:00 am
DEN
- MEL
3 stops38h 00m
Multiple Airlines
Sun 5/241:25 pm
MEL
- DEN
2 stops27h 13m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,099
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/2112:32 pm
DEN
- SYD
1 stop26h 58m
Multiple Airlines
Tue 9/16:00 am
SYD
- DEN
2 stops44h 02m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,115
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/812:32 pm
DEN
- MEL
1 stop26h 13m
Multiple Airlines
Tue 8/181:25 pm
MEL
- DEN
2 stops36h 37m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,158
This Trip.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/187:25 am
DEN
- BNE
2 stops35h 15m
Multiple Airlines
Wed 9/911:35 am
BNE
- DEN
2 stops25h 55m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,158
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Fri 7/3112:32 pm
DEN
- BNE
2 stops30h 03m
Multiple Airlines
Sun 8/1611:35 am
BNE
- DEN
2 stops29h 01m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,166
Best flights from Colorado to AustraliaDiscover carefully curated flight deals from Colorado to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from Colorado to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/136:58 pm
ASE
- SYD
1 stop20h 02m
United Airlines
Sat 8/229:30 am
SYD
- ASE
1 stop26h 56m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,340
This FlightHub deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 am
DEN
- SYD
2 stops34h 30m
China Eastern
Mon 9/218:30 pm
SYD
- DEN
2 stops37h 40m
China Eastern
Deal found 5/5![China Eastern logo]()
$1,493
This oojo deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/296:05 pm
DEN
- BNE
2 stops25h 00m
Air New Zealand
Tue 7/149:40 am
BNE
- DEN
2 stops26h 00m
Air New Zealand
Deal found 5/1![Air New Zealand logo]()
$1,502
This Fiji Airways deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:19 pm
DEN
- MEL
2 stops25h 06m
Multiple Airlines
Sat 11/71:55 pm
MEL
- DEN
2 stops22h 50m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,548
This Qatar Airways deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 am
DEN
- PER
2 stops44h 45m
Qatar Airways
Mon 11/910:45 pm
PER
- DEN
2 stops36h 45m
Qatar Airways
Deal found 5/1![Qatar Airways logo]()
$1,665
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/197:50 pm
DEN
- SYD
1 stop19h 00m
Delta
Tue 8/119:15 am
SYD
- DEN
1 stop18h 13m
Delta
Deal found 5/3![Delta logo]()
$1,935
This oojo deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/156:08 pm
DEN
- HBA
2 stops24h 37m
Qantas Airways
Mon 6/226:00 am
HBA
- DEN
2 stops27h 37m
Qantas Airways
Deal found 5/1![Qantas Airways logo]()
$2,053
This Turkish Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
DEN
- MEL
3 stops45h 40m
Turkish Airlines
Sat 10/39:35 pm
MEL
- DEN
2 stops36h 50m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$2,095
This Air Canada deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:10 pm
DEN
- HBA
3 stops57h 35m
Air Canada
Wed 9/28:25 pm
HBA
- DEN
2 stops36h 48m
Air Canada
Deal found 5/1![Air Canada logo]()
$2,327
This oojo deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 9/145:50 pm
DEN
- ADL
2 stops25h 35m
Air New Zealand
Sun 9/275:10 pm
ADL
- DEN
2 stops34h 33m
Air New Zealand
Deal found 5/2![Air New Zealand logo]()
$1,531
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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.
Thu 10/17:06 pm
DEN
- SYD
2 stops31h 44m
Multiple Airlines
Thu 10/158:45 pm
SYD
- DEN
2 stops31h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,549
This Qatar Airways deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:39 pm
DEN
- ADL
2 stops35h 56m
Qatar Airways
Wed 11/410:00 pm
ADL
- DEN
2 stops39h 43m
Qatar Airways
Deal found 5/1![Qatar Airways logo]()
$1,676
This oojo deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/196:12 pm
DEN
- SYD
3 stops28h 58m
Air Tahiti Nui
Tue 8/117:10 am
SYD
- DEN
2 stops26h 46m
Air Tahiti Nui
Deal found 5/5![Air Tahiti Nui logo]()
$3,383
This Fiji Airways deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:26 pm
DEN
- SYD
2 stops25h 24m
Multiple Airlines
Sun 9/61:15 pm
SYD
- DEN
2 stops26h 44m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,555
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/295:54 pm
DEN
- BNE
1 stop20h 36m
United Airlines
Tue 7/1410:30 am
BNE
- DEN
1 stop19h 53m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,758
This oojo deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 7/27:35 pm
DEN
- ADL
2 stops47h 50m
Air New Zealand
Mon 7/2712:05 pm
ADL
- DEN
2 stops23h 05m
Air New Zealand
Deal found 5/1![Air New Zealand logo]()
$1,614
This British Airways deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Thu 10/12:13 pm
DEN
- SYD
3 stops47h 52m
British Airways
Thu 10/153:35 pm
SYD
- DEN
2 stops41h 50m
British Airways
Deal found 5/1![British Airways logo]()
$3,600
This Qatar Airways deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am
DEN
- PER
2 stops45h 45m
Qatar Airways
Thu 11/1210:45 pm
PER
- DEN
2 stops36h 45m
Qatar Airways
Deal found 5/1![Qatar Airways logo]()
$1,705
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Fri 6/57:21 pm
DEN
- SYD
2 stops31h 29m
Multiple Airlines
Thu 6/118:45 pm
SYD
- DEN
2 stops38h 33m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,568
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/197:25 pm
DEN
- SYD
1 stop19h 30m
United Airlines
Sun 8/3010:20 am
SYD
- DEN
1 stop20h 09m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,760
This Qatar Airways deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am
DEN
- PER
2 stops45h 45m
Qatar Airways
Wed 11/1110:45 pm
PER
- DEN
2 stops40h 03m
Qatar Airways
Deal found 5/1![Qatar Airways logo]()
$1,705
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/296:05 pm
DEN
- BNE
2 stops20h 25m
United Airlines
Sun 7/2610:30 am
BNE
- DEN
2 stops21h 46m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,762
This Qatar Airways deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:00 am
DEN
- PER
2 stops42h 45m
Qatar Airways
Sat 11/710:45 pm
PER
- DEN
2 stops40h 03m
Qatar Airways
Deal found 5/1![Qatar Airways logo]()
$1,705
This Singapore Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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.
Fri 8/2112:29 pm
DEN
- PER
2 stops34h 01m
Multiple Airlines
Sun 8/301:45 pm
PER
- DEN
2 stops35h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,706
This BusinessClass deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sun 8/167:45 pm
DEN
- HBA
2 stops23h 00m
Air New Zealand
Sat 8/2210:10 am
HBA
- DEN
3 stops49h 56m
Air New Zealand
Deal found 5/3![Air New Zealand logo]()
$1,900
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/289:20 pm
DEN
- MEL
1 stop42h 10m
United Airlines
Tue 7/2110:55 am
MEL
- DEN
1 stop23h 16m
United Airlines
Deal found 5/5![United Airlines logo]()
$1,763
This Qantas Airways deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sun 7/56:12 pm
DEN
- CNS
2 stops31h 23m
Qantas Airways
Mon 7/136:50 am
CNS
- DEN
2 stops24h 40m
Qantas Airways
Deal found 5/3![Qantas Airways logo]()
$2,424
This oojo deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/139:20 pm
DEN
- PER
2 stops52h 40m
Air New Zealand
Fri 7/312:25 pm
PER
- DEN
2 stops40h 02m
Air New Zealand
Deal found 5/4![Air New Zealand logo]()
$1,917
This Singapore Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/233:45 pm
DEN
- PER
2 stops30h 45m
Multiple Airlines
Sat 9/121:10 am
PER
- DEN
3 stops35h 48m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,762
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/55:54 pm
DEN
- BNE
1 stop20h 36m
United Airlines
Sat 7/186:55 pm
BNE
- DEN
2 stops37h 21m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,782
Last-minute flights from Colorado to AustraliaDiscover last-minute flight deals from Colorado to Australia. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Australia. Data last updated May 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/77:00 am
DEN
- SYD
1 stop32h 30m
Multiple Airlines
Tue 5/198:45 pm
SYD
- DEN
2 stops29h 19m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,289
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Fri 5/86:00 am
DEN
- SYD
3 stops48h 10m
Multiple Airlines
Sat 5/301:15 pm
SYD
- DEN
2 stops22h 51m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$984
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Sat 5/166:00 am
DEN
- MEL
3 stops38h 00m
Multiple Airlines
Sun 5/241:25 pm
MEL
- DEN
2 stops27h 13m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,099
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/1610:39 pm
DEN
- SYD
2 stops45h 11m
Multiple Airlines
Sat 6/65:50 pm
SYD
- DEN
1 stop32h 14m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,273
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Sat 5/166:00 am
DEN
- MEL
3 stops38h 00m
Multiple Airlines
Wed 5/201:25 pm
MEL
- DEN
3 stops36h 27m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,375
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/162:55 pm
DEN
- MEL
2 stops47h 50m
Multiple Airlines
Mon 6/19:45 am
MEL
- DEN
1 stop30h 53m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,378
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/196:00 am
DEN
- SYD
2 stops33h 30m
Multiple Airlines
Mon 5/255:50 pm
SYD
- DEN
1 stop32h 14m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,340
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/1910:39 pm
DEN
- MEL
1 stop40h 06m
Multiple Airlines
Mon 6/19:45 am
MEL
- DEN
1 stop30h 53m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,367
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/197:20 am
DEN
- MEL
1 stop31h 25m
Multiple Airlines
Mon 5/258:20 pm
MEL
- DEN
2 stops53h 44m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,383
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2910:39 pm
DEN
- SYD
1 stop40h 51m
Multiple Airlines
Fri 6/58:45 pm
SYD
- DEN
2 stops43h 53m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,307
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/307:00 am
DEN
- SYD
1 stop32h 30m
Multiple Airlines
Sat 6/65:50 pm
SYD
- DEN
1 stop22h 48m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,284
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/410:39 pm
DEN
- SYD
2 stops45h 11m
Multiple Airlines
Thu 6/115:50 pm
SYD
- DEN
1 stop22h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,228
One-way flights from Colorado to AustraliaSearch for one-way flight options from Colorado to Australia. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Colorado to Australia. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Trip.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/127:25 am
DEN
- SYD
2 stops36h 25m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/2510:39 pm
DEN
- SYD
2 stops45h 11m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/57:25 am
DEN
- SYD
2 stops36h 25m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/77:00 am
DEN
- SYD
2 stops36h 50m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/135:05 am
DEN
- SYD
2 stops38h 45m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$528
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Sat 6/1312:32 pm
DEN
- BNE
2 stops30h 08m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/49:15 am
DEN
- SYD
3 stops34h 35m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/199:15 am
DEN
- SYD
2 stops34h 35m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$543
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Fri 6/52:00 pm
DEN
- SYD
2 stops29h 50m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/310:39 pm
DEN
- SYD
1 stop40h 51m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/1210:39 pm
DEN
- BNE
3 stops53h 16m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$576
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 8/2310:39 pm
DEN
- MEL
3 stops48h 56m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$594
Find flight deals from Colorado to Australia
Keep the following information in mind while searching for Colorado to Australia flight deals. Data was last updated May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $947 (Trip.com) |
One-way from | $446 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,381 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 6, 2026.
Use the filters below to find and compare flights from Colorado to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AspenSydney
ASE - SYD
ASESYD
Aspen Pitkin County
Thu 8/13
6:58 pm-7:00 am
1 stop20h 02m
Sydney Kingsford Smith
Sat 8/22
9:30 am-8:26 pm
1 stop26h 56m
$1,340
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Wed 9/9
6:30 am-9:00 am
2 stops34h 30m
Sydney Kingsford Smith
Mon 9/21
8:30 pm-6:10 pm
2 stops37h 40m
$1,493
DenverBrisbane
DEN - BNE
DENBNE
Denver Intl
Mon 6/29
6:05 pm-11:05 am
2 stops25h 00m
Brisbane
Tue 7/14
9:40 am-7:40 pm
2 stops26h 00m
$1,502
DenverAdelaide
DEN - ADL
DENADL
Denver Intl
Mon 9/14
5:50 pm-10:55 am
2 stops25h 35m
Adelaide
Sun 9/27
5:10 pm-12:13 pm
2 stops34h 33m
$1,531
DenverMelbourne
DEN - MEL
DENMEL
Denver Intl
Sat 10/24
6:19 pm-12:25 pm
2 stops25h 06m
Melbourne
Sat 11/7
1:55 pm-6:45 pm
2 stops22h 50m
$1,548
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Thu 10/1
7:06 pm-6:50 pm
2 stops31h 44m
Sydney Kingsford Smith
Thu 10/15
8:45 pm-11:35 am
2 stops31h 50m
$1,549
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Thu 8/27
6:26 pm-11:50 am
2 stops25h 24m
Sydney Kingsford Smith
Sun 9/6
1:15 pm-11:59 pm
2 stops26h 44m
$1,555
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Fri 6/5
7:21 pm-6:50 pm
2 stops31h 29m
Sydney Kingsford Smith
Thu 6/11
8:45 pm-7:18 pm
2 stops38h 33m
$1,568
DenverAdelaide
DEN - ADL
DENADL
Denver Intl
Thu 7/2
7:35 pm-10:55 am
2 stops47h 50m
Adelaide
Mon 7/27
12:05 pm-7:40 pm
2 stops23h 05m
$1,614
DenverPerth
DEN - PER
DENPER
Denver Intl
Mon 11/2
7:00 am-6:45 pm
2 stops44h 45m
Perth
Mon 11/9
10:45 pm-8:30 pm
2 stops36h 45m
$1,665
Showing 1-10 of 58 resultsSorted by cheapest first
Best time to book a flight from Colorado to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Colorado with our price prediction graph.
DEN-SYD
ASE-SYD
DEN-ADL
DEN-BNE
DEN-MEL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado to Australia
USCO-AU0
DEN-SYD
ASE-SYD
DEN-ADL
DEN-BNE
How far ahead should I book a flight from Colorado to Australia?
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Colorado to Australia?
Currently, January is the cheapest month in which you can book a flight from Colorado to Australia (average of $72). Flying from Colorado to Australia in March is currently the most expensive (average of $729). 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.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Colorado to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Australia by cabin class
Find flights from Colorado to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Australia flights
Browse other Colorado and Australia flight options. Last updated on May 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Australia
Find the right flight back to Colorado after your stay in Australia
Colorado to Australia flights
Consider these flights traveling from Colorado to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 8 airlines flying from Colorado to Australia
Discover the top 8 airlines that operate flights from Colorado to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$1,215 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$682 | Average$777 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$745 | Average$945 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$770 | Average$1,251 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$800 | Average$1,443 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$844 | Average$1,360 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$853 | Average$1,460 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,103 | Average$1,288 | FlexibilityNo cancel fee | On-time78% |