$389+ Cheap flights from Denver (DEN) to Sydney (SYD)
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 12 — Apr 191
Round-trip
1 adult, Economy
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Cheapest flights from Denver to SydneyExplore the most affordable flight options available from Denver to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
Explore the most affordable flight options available from Denver to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:19 pm
DEN
- SYD
1 stop20h 46m
Qantas Airways
Wed 5/279:10 am
SYD
- DEN
1 stop17h 51m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$890
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:12 pm
DEN
- SYD
1 stop21h 18m
Qantas Airways
Mon 7/279:10 am
SYD
- DEN
1 stop18h 04m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$892
This Qantas Airways deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 pm
DEN
- SYD
1 stop20h 45m
Qantas Airways
Sun 5/109:10 am
SYD
- DEN
1 stop18h 56m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$893
This Priceline deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:20 pm
DEN
- SYD
1 stop21h 10m
Qantas Airways
Tue 4/219:10 am
SYD
- DEN
1 stop18h 56m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$894
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:53 pm
DEN
- SYD
2 stops20h 12m
American Airlines
Wed 5/279:10 am
SYD
- DEN
2 stops25h 06m
American Airlines
Deal found 3/12![American Airlines logo]()
$900
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 CrystalTravel deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:20 pm
DEN
- SYD
1 stop21h 10m
Qantas Airways
Fri 5/159:10 am
SYD
- DEN
1 stop26h 53m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$923
This FlightHub deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:20 pm
DEN
- SYD
1 stop20h 45m
Qantas Airways
Sun 5/249:10 am
SYD
- DEN
1 stop17h 51m
Qantas Airways
Deal found 3/11![Qantas Airways logo]()
$939
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:20 pm
DEN
- SYD
1 stop21h 10m
Qantas Airways
Tue 5/59:10 am
SYD
- DEN
1 stop18h 56m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$942
This Qantas Airways deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:35 pm
DEN
- SYD
1 stop18h 30m
Qantas Airways
Sun 5/109:10 am
SYD
- DEN
1 stop18h 56m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$943
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:20 pm
DEN
- SYD
1 stop20h 45m
American Airlines
Sun 5/249:10 am
SYD
- DEN
2 stops22h 22m
American Airlines
Deal found 3/11![American Airlines logo]()
$949
Best flights from Denver to SydneyDiscover carefully curated flight deals from Denver to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from Denver to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This Qantas Airways deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:35 pm
DEN
- SYD
1 stop18h 30m
Qantas Airways
Sun 5/109:10 am
SYD
- DEN
1 stop18h 56m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$943
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:12 pm
DEN
- SYD
2 stops32h 38m
Multiple Airlines
Fri 7/178:45 pm
SYD
- DEN
2 stops37h 24m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,460
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:12 pm
DEN
- SYD
2 stops46h 28m
Cathay Pacific
Sun 7/269:55 pm
SYD
- DEN
2 stops53h 19m
Cathay Pacific
Deal found 3/9![Cathay Pacific logo]()
$2,080
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:18 pm
DEN
- SYD
1 stop19h 37m
United Airlines
Tue 5/129:30 am
SYD
- DEN
1 stop26h 10m
United Airlines
Deal found 3/10![United Airlines logo]()
$2,159
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:12 pm
DEN
- SYD
1 stop20h 53m
Qantas Airways
Sat 8/159:10 am
SYD
- DEN
1 stop24h 17m
Qantas Airways
Deal found 3/9![Qantas Airways logo]()
$1,554
This Etihad Airways deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 am
DEN
- SYD
2 stops41h 50m
Multiple Airlines
Wed 4/83:40 pm
SYD
- DEN
2 stops41h 22m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$1,762
This Singapore Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:25 am
DEN
- SYD
3 stops39h 50m
Multiple Airlines
Mon 9/2111:00 am
SYD
- DEN
2 stops40h 30m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$2,020
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.
Tue 8/2511:59 pm
DEN
- SYD
3 stops51h 16m
Multiple Airlines
Sun 9/611:00 am
SYD
- DEN
2 stops40h 30m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$2,070
This Singapore Airlines 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:59 pm
DEN
- SYD
3 stops51h 16m
Multiple Airlines
Wed 5/1311:00 am
SYD
- DEN
2 stops41h 19m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$2,274
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.
Thu 7/211:59 pm
DEN
- SYD
3 stops51h 16m
Multiple Airlines
Thu 7/163:00 pm
SYD
- DEN
3 stops47h 55m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$2,849
This Singapore Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:59 pm
DEN
- SYD
3 stops51h 16m
Multiple Airlines
Fri 5/2211:00 am
SYD
- DEN
2 stops41h 19m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$2,852
This Singapore Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:51 pm
DEN
- SYD
2 stops32h 24m
Multiple Airlines
Sun 5/103:00 pm
SYD
- DEN
3 stops48h 01m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$3,616
Last-minute flights from Denver to SydneyDiscover last-minute flight deals from Denver to Sydney. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Sydney. Data last updated March 13, 2026 and is based on user searches.
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:05 pm
DEN
- SYD
1 stop20h 30m
Air Canada
Wed 4/89:20 am
SYD
- DEN
1 stop19h 15m
Air Canada
Deal found 3/9![Air Canada logo]()
$1,126
This Priceline deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:20 pm
DEN
- SYD
1 stop21h 10m
Qantas Airways
Tue 4/219:10 am
SYD
- DEN
1 stop18h 56m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$894
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
- SYD
1 stop20h 15m
Air Canada
Tue 4/219:20 am
SYD
- DEN
1 stop19h 15m
Air Canada
Deal found 3/9![Air Canada logo]()
$1,146
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:20 pm
DEN
- SYD
1 stop21h 10m
Qantas Airways
Tue 5/59:10 am
SYD
- DEN
1 stop18h 56m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$942
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:38 pm
DEN
- SYD
2 stops45h 07m
Air New Zealand
Tue 5/57:20 pm
SYD
- DEN
2 stops42h 55m
Air New Zealand
Deal found 3/9![Air New Zealand logo]()
$1,145
This oojo deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:34 pm
DEN
- SYD
2 stops24h 11m
Air New Zealand
Mon 4/277:20 pm
SYD
- DEN
2 stops40h 20m
Air New Zealand
Deal found 3/11![Air New Zealand logo]()
$1,136
This BYOjet deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:34 pm
DEN
- SYD
2 stops24h 11m
Air New Zealand
Sat 5/29:55 am
SYD
- DEN
2 stops26h 21m
Air New Zealand
Deal found 3/11![Air New Zealand logo]()
$1,125
This Qantas Airways deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 pm
DEN
- SYD
1 stop20h 45m
Qantas Airways
Sun 5/109:10 am
SYD
- DEN
1 stop18h 56m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$893
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 pm
DEN
- SYD
1 stop20h 45m
American Airlines
Sun 5/109:10 am
SYD
- DEN
2 stops21h 59m
American Airlines
Deal found 3/12![American Airlines logo]()
$950
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:00 pm
DEN
- SYD
2 stops24h 45m
Air New Zealand
Sun 5/109:55 am
SYD
- DEN
2 stops26h 53m
Air New Zealand
Deal found 3/9![Air New Zealand logo]()
$1,117
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:45 am
DEN
- SYD
1 stop30h 35m
Air Canada
Tue 5/129:20 am
SYD
- DEN
2 stops27h 08m
Air Canada
Deal found 3/9![Air Canada logo]()
$1,155
One-way flights from Denver to SydneySearch for one-way flight options from Denver to Sydney. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from Denver to Sydney. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Trip.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:20 am
DEN
- SYD
2 stops46h 50m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$389
This Trip.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 am
DEN
- SYD
2 stops38h 05m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$411
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 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 am
DEN
- SYD
2 stops48h 10m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$434
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.
Thu 5/2810:29 pm
DEN
- SYD
2 stops45h 21m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$453
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.
Thu 5/211:30 pm
DEN
- SYD
2 stops30h 20m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$457
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.
Fri 4/2410:29 pm
DEN
- SYD
2 stops45h 21m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$462
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1110:20 am
DEN
- SYD
2 stops33h 30m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$463
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 5/199:30 pm
DEN
- SYD
2 stops46h 20m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$475
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 5/3010:29 pm
DEN
- SYD
2 stops45h 21m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$476
Find flight deals from Denver to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $890 (FlightHub) |
One-way from | $389 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,221 |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver 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 2,558,603 searches. Data last updated March 13, 2026.
Use the filters below to find and compare flights from Denver to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Fri 5/1
8:35 pm-7:05 am
1 stop18h 30m
Sydney Kingsford Smith
Sun 5/10
9:10 am-12:06 pm
1 stop18h 56m
$943
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Wed 7/8
6:12 pm-6:50 pm
2 stops32h 38m
Sydney Kingsford Smith
Fri 7/17
8:45 pm-6:09 pm
2 stops37h 24m
$1,460
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Fri 7/31
6:12 pm-7:05 am
1 stop20h 53m
Sydney Kingsford Smith
Sat 8/15
9:10 am-5:27 pm
1 stop24h 17m
$1,554
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Wed 4/1
7:00 am-5:50 pm
2 stops41h 50m
Sydney Kingsford Smith
Wed 4/8
3:40 pm-5:02 pm
2 stops41h 22m
$1,762
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Wed 9/9
11:25 am-7:15 pm
3 stops39h 50m
Sydney Kingsford Smith
Mon 9/21
11:00 am-11:30 am
2 stops40h 30m
$2,020
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Tue 8/25
11:59 pm-7:15 pm
3 stops51h 16m
Sydney Kingsford Smith
Sun 9/6
11:00 am-11:30 am
2 stops40h 30m
$2,070
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Fri 7/17
6:12 pm-8:40 am
2 stops46h 28m
Sydney Kingsford Smith
Sun 7/26
9:55 pm-11:14 am
2 stops53h 19m
$2,080
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Fri 5/8
7:18 pm-6:55 am
1 stop19h 37m
Sydney Kingsford Smith
Tue 5/12
9:30 am-7:40 pm
1 stop26h 10m
$2,159
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Mon 5/4
11:59 pm-7:15 pm
3 stops51h 16m
Sydney Kingsford Smith
Wed 5/13
11:00 am-12:19 pm
2 stops41h 19m
$2,274
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Thu 7/2
11:59 pm-7:15 pm
3 stops51h 16m
Sydney Kingsford Smith
Thu 7/16
3:00 pm-10:55 pm
3 stops47h 55m
$2,849
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Denver to Sydney
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Sydney in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Denver to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Denver with our price prediction graph.
DEN-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 Denver to Sydney
How far ahead should I book a flight from Denver to Sydney?
Use this chart to determine the optimal time to book a round-trip flight from Denver to Sydney. Price data was last updated on March 6, 2026.
The price you pay for your flight from Denver to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Denver to Sydney?
Currently, September is the cheapest month in which you can book a flight from Denver to Sydney (average of $303). Flying from Denver to Sydney in January is currently the most expensive (average of $994). 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.
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated March 13, 2026.
Read through reviews of airlines operating flights from Denver to Sydney, such as Delta,Qantas Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Denver 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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Complete your trip
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Search flights from Denver to Sydney by cabin class
Find flights from Denver to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Sydney flights
Browse other Denver and Sydney flight options. Last updated on March 13, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on March 13, 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 March 13, 2026.
Top 8 airlines flying from Denver to Sydney
Discover the top 8 airlines that operate flights from Denver 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 2,558,603 searches. Data last updated March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$255 | Average$1,365 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$684 | Average$1,191 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$745 | Average$856 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$800 | Average$1,348 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$853 | Average$1,458 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$857 | Average$1,329 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$980 | Average$1,251 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,144 | Average$1,274 | FlexibilityNo cancel fee | On-time78% |