$392+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Apr 8 — Apr 151
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Colorado to Australia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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 Australia
Cheapest
Best
Last-minute
One-way
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 March 9, 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 March 9, 2026.
This lol.travel deal was found by Cheapflights users on 3/4. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:19 am
DEN
- BNE
2 stops27h 46m
Air Canada
Tue 4/2110:00 am
BNE
- DEN
1 stop18h 35m
Air Canada
Deal found 3/4![Air Canada logo]()
$879
This BusinessClass deal was found by Cheapflights users on 3/5. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:05 pm
DEN
- BNE
1 stop20h 00m
EVA Air
Tue 4/2110:00 am
BNE
- DEN
2 stops38h 50m
EVA Air
Deal found 3/5![EVA Air logo]()
$908
This BusinessClass deal was found by Cheapflights users on 3/4. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:45 am
DEN
- BNE
1 stop30h 20m
Multiple Airlines
Tue 4/2110:00 am
BNE
- DEN
2 stops38h 50m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$909
This Trip.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/186:05 am
DEN
- SYD
2 stops38h 00m
Multiple Airlines
Mon 6/11:15 pm
SYD
- DEN
2 stops22h 02m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$918
This Air Canada deal was found by Cheapflights users on 3/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:50 pm
DEN
- BNE
1 stop19h 15m
Air Canada
Wed 5/2710:00 am
BNE
- DEN
1 stop23h 00m
Air Canada
Deal found 3/5![Air Canada logo]()
$919
This Travelocity deal was found by Cheapflights users on 3/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:05 pm
DEN
- BNE
1 stop20h 00m
Air Canada
Tue 4/2110:00 am
BNE
- DEN
1 stop18h 35m
Air Canada
Deal found 3/4![Air Canada logo]()
$920
This Priceline deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:20 am
DEN
- BNE
2 stops27h 45m
Air Canada
Mon 5/1810:00 am
BNE
- DEN
1 stop23h 00m
Air Canada
Deal found 3/7![Air Canada logo]()
$929
This Air Canada deal was found by Cheapflights users on 3/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:50 pm
DEN
- BNE
1 stop19h 15m
Air Canada
Fri 5/2210:00 am
BNE
- DEN
1 stop23h 00m
Air Canada
Deal found 3/5![Air Canada logo]()
$956
This BusinessClass deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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.
Sat 4/185:30 pm
DEN
- BNE
2 stops45h 35m
Multiple Airlines
Fri 4/2410:00 am
BNE
- DEN
1 stop18h 35m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$968
This Air Canada deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 5/411:20 am
DEN
- BNE
2 stops27h 45m
Multiple Airlines
Mon 5/188:50 pm
BNE
- DEN
2 stops31h 43m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$970
This Travelocity deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:05 pm
DEN
- ADL
3 stops50h 15m
Air Canada
Mon 4/207:00 pm
ADL
- DEN
2 stops38h 20m
Air Canada
Deal found 3/8![Air Canada logo]()
$982
This BusinessClass deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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.
Sat 4/116:05 pm
DEN
- ADL
2 stops50h 15m
Multiple Airlines
Mon 4/208:00 pm
ADL
- DEN
2 stops32h 05m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$984
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 March 9, 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 March 9, 2026.
This Air Canada deal was found by Cheapflights users on 3/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:50 pm
DEN
- BNE
1 stop19h 15m
Air Canada
Wed 5/2710:00 am
BNE
- DEN
1 stop23h 00m
Air Canada
Deal found 3/4![Air Canada logo]()
$920
This oojo deal was found by Cheapflights users on 3/4. 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.
Tue 8/255:50 pm
DEN
- SYD
2 stops22h 55m
Air New Zealand
Tue 9/1511:55 am
SYD
- DEN
2 stops22h 04m
Air New Zealand
Deal found 3/4![Air New Zealand logo]()
$1,120
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 3/167:45 am
DEN
- ADL
1 stop33h 05m
United Airlines
Mon 3/232:15 pm
ADL
- DEN
1 stop18h 55m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,198
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1312:38 pm
DEN
- BNE
1 stop26h 42m
Delta
Fri 3/209:40 am
BNE
- DEN
1 stop24h 20m
Delta
Deal found 3/6![Delta logo]()
$1,303
This oojo deal was found by Cheapflights users on 3/4. 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.
Tue 8/2511:58 am
DEN
- SYD
1 stop27h 07m
Qantas Airways
Tue 9/155:50 pm
SYD
- DEN
1 stop21h 17m
Qantas Airways
Deal found 3/4![Qantas Airways logo]()
$1,349
This Air Canada deal was found by Cheapflights users on 3/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:05 pm
DEN
- AVV
2 stops26h 05m
Multiple Airlines
Sat 4/258:55 pm
AVV
- DEN
2 stops31h 38m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$1,510
This Qatar Airways deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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.
Wed 3/257:00 am
DEN
- PER
2 stops45h 45m
Qatar Airways
Wed 4/223:40 pm
PER
- DEN
2 stops46h 19m
Qatar Airways
Deal found 3/8![Qatar Airways logo]()
$1,748
This Air Canada deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/137:50 pm
DEN
- BNE
1 stop19h 15m
Air Canada
Fri 5/2210:00 am
BNE
- DEN
2 stops24h 02m
Air Canada
Deal found 3/8![Air Canada logo]()
$966
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Sat 5/99:57 am
COS
- MEL
1 stop27h 03m
American Airlines
Sat 5/161:35 pm
MEL
- COS
1 stop25h 57m
American Airlines
Deal found 3/6![American Airlines logo]()
$2,240
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Sat 5/912:10 pm
COS
- SYD
2 stops50h 45m
United Airlines
Wed 5/1310:20 am
SYD
- COS
2 stops24h 02m
United Airlines
Deal found 3/4![United Airlines logo]()
$1,205
This Singapore Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/65:42 pm
DEN
- SYD
3 stops55h 03m
Singapore Airlines
Tue 4/216:00 pm
SYD
- DEN
2 stops64h 25m
Singapore Airlines
Deal found 3/8![Singapore Airlines logo]()
$2,598
This Air Canada deal was found by Cheapflights users on 3/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/37:05 pm
DEN
- SYD
1 stop20h 15m
Air Canada
Tue 4/149:20 am
SYD
- DEN
1 stop19h 15m
Air Canada
Deal found 3/4![Air Canada logo]()
$1,184
This oojo deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 8/249:25 pm
DEN
- CNS
2 stops45h 20m
Air New Zealand
Mon 10/510:55 am
CNS
- DEN
2 stops24h 45m
Air New Zealand
Deal found 3/8![Air New Zealand logo]()
$1,309
This Delta deal was found by Cheapflights users on 3/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:05 am
DEN
- SYD
2 stops31h 45m
Delta
Sun 7/269:15 am
SYD
- DEN
2 stops21h 56m
Delta
Deal found 3/4![Delta logo]()
$1,413
This Air Canada deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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.
Thu 5/287:50 pm
DEN
- ADL
2 stops28h 35m
Air Canada
Fri 6/58:00 pm
ADL
- DEN
2 stops32h 05m
Air Canada
Deal found 3/8![Air Canada logo]()
$1,236
This oojo deal was found by Cheapflights users on 3/4. 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.
Sun 4/198:35 pm
DEN
- CNS
2 stops24h 20m
Qantas Airways
Sun 4/2611:20 am
CNS
- DEN
2 stops40h 46m
Qantas Airways
Deal found 3/4![Qantas Airways logo]()
$1,510
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/143:55 pm
DEN
- MEL
2 stops24h 20m
United Airlines
Tue 4/2110:55 am
MEL
- DEN
1 stop23h 30m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,405
This oojo deal was found by Cheapflights users on 3/4. 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.
Wed 8/127:25 pm
DEN
- CNS
2 stops47h 20m
Air New Zealand
Thu 8/2711:55 am
CNS
- DEN
2 stops26h 06m
Air New Zealand
Deal found 3/4![Air New Zealand logo]()
$1,405
This Turkish Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Mon 4/206:00 am
DEN
- MEL
3 stops45h 40m
Multiple Airlines
Mon 4/279:35 pm
MEL
- DEN
2 stops36h 50m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,583
This Air Canada deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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.
Thu 4/238:45 am
DEN
- ADL
2 stops39h 40m
Air Canada
Mon 4/279:20 pm
ADL
- DEN
2 stops36h 00m
Air Canada
Deal found 3/7![Air Canada logo]()
$1,256
This Ovago deal was found by Cheapflights users on 3/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/194:00 pm
DEN
- CNS
3 stops32h 55m
Air New Zealand
Sun 4/266:55 pm
CNS
- DEN
3 stops41h 48m
Air New Zealand
Deal found 3/4![Air New Zealand logo]()
$1,428
This oojo deal was found by Cheapflights users on 3/5. 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.
Tue 4/76:20 pm
DEN
- CNS
2 stops30h 35m
Qantas Airways
Wed 4/156:00 am
CNS
- DEN
2 stops51h 48m
Qantas Airways
Deal found 3/5![Qantas Airways logo]()
$1,571
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Fri 5/13:50 pm
DEN
- MEL
1 stop24h 25m
United Airlines
Sun 5/3110:55 am
MEL
- DEN
1 stop19h 28m
United Airlines
Deal found 3/5![United Airlines logo]()
$1,451
This oojo deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 3/227:00 am
DEN
- PER
2 stops39h 20m
Qatar Airways
Sun 3/293:40 pm
PER
- DEN
2 stops46h 16m
Qatar Airways
Deal found 3/6![Qatar Airways logo]()
$1,851
This KAYAK deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Wed 5/275:54 pm
DEN
- CNS
3 stops36h 51m
Air New Zealand
Sun 6/76:55 pm
CNS
- DEN
3 stops40h 45m
Air New Zealand
Deal found 3/6![Air New Zealand logo]()
$1,452
This Qantas Airways deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Fri 4/38:04 pm
DEN
- SYD
1 stop19h 26m
Qantas Airways
Sun 4/129:10 am
SYD
- DEN
1 stop18h 56m
Qantas Airways
Deal found 3/6![Qantas Airways logo]()
$1,601
This Etihad Airways deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:25 pm
DEN
- SYD
2 stops49h 25m
Multiple Airlines
Sun 4/123:40 pm
SYD
- DEN
2 stops48h 19m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,768
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:12 pm
COS
- SYD
2 stops21h 43m
United Airlines
Wed 5/209:30 am
SYD
- COS
2 stops24h 52m
United Airlines
Deal found 3/7![United Airlines logo]()
$1,462
This Booking.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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.
Mon 4/204:13 pm
DEN
- ADL
3 stops54h 12m
Air Canada
Fri 4/247:00 pm
ADL
- DEN
2 stops33h 05m
Air Canada
Deal found 3/8![Air Canada logo]()
$1,394
This BusinessClass deal was found by Cheapflights users on 3/4. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:23 pm
DEN
- PER
2 stops53h 37m
Air New Zealand
Sat 4/257:50 pm
PER
- DEN
2 stops41h 09m
Air New Zealand
Deal found 3/4![Air New Zealand logo]()
$1,458
Last-minute flights from Colorado to AustraliaDiscover last-minute flight deals from Colorado to Australia. Data last updated March 9, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Australia. Data last updated March 9, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 3/4. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:19 am
DEN
- BNE
2 stops27h 46m
Air Canada
Tue 4/2110:00 am
BNE
- DEN
1 stop18h 35m
Air Canada
Deal found 3/4![Air Canada logo]()
$879
This BusinessClass deal was found by Cheapflights users on 3/5. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:05 pm
DEN
- BNE
1 stop20h 00m
EVA Air
Tue 4/2110:00 am
BNE
- DEN
2 stops38h 50m
EVA Air
Deal found 3/5![EVA Air logo]()
$908
This BusinessClass deal was found by Cheapflights users on 3/4. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:45 am
DEN
- BNE
1 stop30h 20m
Multiple Airlines
Tue 4/2110:00 am
BNE
- DEN
2 stops38h 50m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$909
This Air Canada deal was found by Cheapflights users on 3/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:05 pm
DEN
- BNE
1 stop20h 00m
Air Canada
Tue 4/2110:00 am
BNE
- DEN
1 stop18h 35m
Air Canada
Deal found 3/5![Air Canada logo]()
$919
This Air Canada deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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.
Tue 4/77:05 pm
DEN
- BNE
1 stop20h 00m
Air Canada
Thu 4/3010:00 am
BNE
- DEN
1 stop23h 50m
Air Canada
Deal found 3/8![Air Canada logo]()
$956
This BusinessClass deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Tue 4/77:05 pm
DEN
- MEL
2 stops27h 00m
Multiple Airlines
Tue 4/216:00 am
MEL
- DEN
2 stops22h 35m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,077
This Air Canada deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Tue 4/147:05 pm
DEN
- MEL
2 stops24h 55m
Air Canada
Tue 4/216:00 am
MEL
- DEN
2 stops22h 35m
Air Canada
Deal found 3/9![Air Canada logo]()
$1,084
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/141:40 pm
DEN
- SYD
1 stop25h 50m
Multiple Airlines
Tue 4/218:45 pm
SYD
- DEN
2 stops23h 30m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$1,110
This BusinessClass deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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.
Sat 4/185:30 pm
DEN
- BNE
2 stops45h 35m
Multiple Airlines
Fri 4/2410:00 am
BNE
- DEN
1 stop18h 35m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$968
This Air Canada deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/227:05 pm
DEN
- BNE
1 stop20h 00m
Air Canada
Wed 4/2910:00 am
BNE
- DEN
1 stop18h 35m
Air Canada
Deal found 3/7![Air Canada logo]()
$975
This oojo deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/264:34 pm
DEN
- SYD
2 stops26h 06m
Air New Zealand
Sun 5/109:55 am
SYD
- DEN
2 stops26h 53m
Air New Zealand
Deal found 3/6![Air New Zealand logo]()
$1,117
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/299:30 pm
DEN
- SYD
1 stop42h 00m
Multiple Airlines
Wed 5/1311:00 am
SYD
- DEN
2 stops24h 49m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,092
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 March 9, 2026.
Search for one-way flight options from Colorado to Australia. Find affordable one-way fares based on user searches. Data last updated March 9, 2026.
This Trip.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/51:35 pm
DEN
- SYD
2 stops40h 35m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$392
This Trip.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/109:20 am
DEN
- BNE
2 stops33h 15m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/281:40 pm
DEN
- BNE
2 stops29h 00m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/1810:29 pm
DEN
- BNE
2 stops44h 11m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Thu 4/306:00 am
DEN
- BNE
2 stops36h 40m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/79:10 am
DEN
- MEL
2 stops34h 50m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/189:30 pm
DEN
- SYD
2 stops46h 20m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$433
This Trip.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 6/11:30 pm
DEN
- BNE
2 stops29h 05m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/219:30 pm
DEN
- SYD
2 stops46h 20m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$439
This Trip.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/119:20 am
DEN
- BNE
2 stops33h 20m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Wed 5/131:35 pm
DEN
- SYD
2 stops30h 15m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/2310:29 pm
DEN
- MEL
2 stops45h 56m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$452
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 March 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $879 (lol.travel) |
One-way from | $392 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,221 |
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 March 9, 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
DenverBrisbane
DEN - BNE
DENBNE
Denver Intl
Wed 5/13
7:50 pm-7:05 am
1 stop19h 15m
Brisbane
Wed 5/27
10:00 am-5:00 pm
1 stop23h 00m
$920
DenverBrisbane
DEN - BNE
DENBNE
Denver Intl
Wed 5/13
7:50 pm-7:05 am
1 stop19h 15m
Brisbane
Fri 5/22
10:00 am-6:02 pm
2 stops24h 02m
$966
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Tue 8/25
5:50 pm-8:45 am
2 stops22h 55m
Sydney Kingsford Smith
Tue 9/15
11:55 am-5:59 pm
2 stops22h 04m
$1,120
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Fri 4/3
7:05 pm-8:20 am
1 stop20h 15m
Sydney Kingsford Smith
Tue 4/14
9:20 am-12:35 pm
1 stop19h 15m
$1,184
DenverAdelaide
DEN - ADL
DENADL
Denver Intl
Mon 3/16
7:45 am-9:20 am
1 stop33h 05m
Adelaide
Mon 3/23
2:15 pm-4:40 pm
1 stop18h 55m
$1,198
Colorado SpringsSydney
COS - SYD
COSSYD
Colorado Springs
Sat 5/9
12:10 pm-6:55 am
2 stops50h 45m
Sydney Kingsford Smith
Wed 5/13
10:20 am-6:22 pm
2 stops24h 02m
$1,205
DenverAdelaide
DEN - ADL
DENADL
Denver Intl
Thu 5/28
7:50 pm-3:55 pm
2 stops28h 35m
Adelaide
Fri 6/5
8:00 pm-12:35 pm
2 stops32h 05m
$1,236
DenverAdelaide
DEN - ADL
DENADL
Denver Intl
Thu 4/23
8:45 am-3:55 pm
2 stops39h 40m
Adelaide
Mon 4/27
9:20 pm-5:50 pm
2 stops36h 00m
$1,256
DenverBrisbane
DEN - BNE
DENBNE
Denver Intl
Fri 3/13
12:38 pm-7:20 am
1 stop26h 42m
Brisbane
Fri 3/20
9:40 am-6:00 pm
1 stop24h 20m
$1,303
DenverCairns
DEN - CNS
DENCNS
Denver Intl
Mon 8/24
9:25 pm-10:45 am
2 stops45h 20m
Cairns
Mon 10/5
10:55 am-7:40 pm
2 stops24h 45m
$1,309
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Colorado with our price prediction graph.
DEN-BNE
DEN-SYD
DEN-ADL
DEN-MEL
DEN-PER
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-BNE
DEN-SYD
DEN-ADL
DEN-MEL
What is the cheapest month to book a flight from Colorado to Australia?
Currently, July is the cheapest month in which you can book a flight from Colorado to Australia (average of $167). Flying from Colorado to Australia in April is currently the most expensive (average of $822). 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
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 March 9, 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 March 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$1,203 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$682 | Average$1,061 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$698 | Average$1,091 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$745 | Average$856 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$765 | Average$1,462 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$827 | Average$1,263 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$853 | Average$1,460 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$946 | Average$1,284 | FlexibilityNo cancel fee | On-time78% |