$478+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
May 24 — May 311
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 April 24, 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 April 24, 2026.
This Trip.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:10 am
DEN
- SYD
3 stops37h 40m
Multiple Airlines
Sun 5/241:15 pm
SYD
- DEN
2 stops27h 23m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$924
This Trip.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/247:00 am
DEN
- SYD
2 stops36h 50m
Multiple Airlines
Fri 5/291:15 pm
SYD
- DEN
2 stops27h 23m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$933
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 8/112:32 pm
DEN
- SYD
2 stops31h 18m
Multiple Airlines
Sun 8/91:15 pm
SYD
- DEN
2 stops27h 25m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,019
This Trip.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:41 am
DEN
- SYD
2 stops35h 24m
Multiple Airlines
Sun 5/316:00 am
SYD
- DEN
2 stops34h 38m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,046
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/208:41 am
DEN
- SYD
1 stop30h 24m
Multiple Airlines
Wed 5/279:10 am
SYD
- DEN
1 stop26h 56m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,145
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/1310:39 pm
DEN
- SYD
2 stops45h 11m
Multiple Airlines
Wed 5/275:50 pm
SYD
- DEN
1 stop32h 14m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,181
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/272:00 pm
DEN
- SYD
1 stop25h 05m
Multiple Airlines
Tue 6/99:10 am
SYD
- DEN
1 stop20h 01m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,183
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/277:20 am
DEN
- SYD
2 stops36h 30m
Multiple Airlines
Sat 6/65:50 pm
SYD
- DEN
1 stop22h 48m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,188
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/299:54 pm
DEN
- SYD
2 stops56h 16m
Multiple Airlines
Sat 6/65:50 pm
SYD
- DEN
1 stop22h 48m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,200
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 April 24, 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 April 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/17:25 pm
DEN
- SYD
2 stops31h 25m
Multiple Airlines
Sun 5/108:45 pm
SYD
- DEN
2 stops31h 21m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,496
This Alaska Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:02 am
DEN
- SYD
2 stops33h 28m
Alaska Airlines
Mon 7/65:50 pm
SYD
- DEN
2 stops42h 20m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$1,676
This Qantas Airways deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:35 pm
DEN
- SYD
1 stop18h 30m
Qantas Airways
Sun 5/319:10 am
SYD
- DEN
1 stop17h 51m
Qantas Airways
Deal found 4/19![Qantas Airways logo]()
$1,751
This Alaska Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:25 pm
DEN
- SYD
2 stops31h 25m
Multiple Airlines
Sun 5/248:45 pm
SYD
- DEN
2 stops32h 54m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,497
This Qantas Airways deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:08 pm
DEN
- SYD
1 stop20h 57m
Qantas Airways
Tue 7/710:00 pm
SYD
- DEN
2 stops35h 40m
Qantas Airways
Deal found 4/19![Qantas Airways logo]()
$1,781
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
Sun 6/77:21 pm
DEN
- SYD
2 stops31h 29m
Multiple Airlines
Sun 6/148:45 pm
SYD
- DEN
2 stops30h 18m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,670
This Qantas Airways deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:08 pm
DEN
- SYD
2 stops24h 47m
Qantas Airways
Sun 5/315:10 pm
SYD
- DEN
2 stops33h 51m
Qantas Airways
Deal found 4/23![Qantas Airways logo]()
$2,006
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
Sun 7/199:08 pm
DEN
- SYD
2 stops29h 42m
Multiple Airlines
Tue 8/118:45 pm
SYD
- DEN
2 stops37h 24m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,908
This Qantas Airways deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:08 pm
DEN
- SYD
2 stops23h 27m
Qantas Airways
Mon 6/110:20 am
SYD
- DEN
2 stops40h 41m
Qantas Airways
Deal found 4/23![Qantas Airways logo]()
$2,006
This Cathay Pacific deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:36 am
DEN
- SYD
2 stops36h 09m
Multiple Airlines
Wed 5/209:55 pm
SYD
- DEN
2 stops42h 00m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,940
Last-minute flights from Denver to SydneyDiscover last-minute flight deals from Denver to Sydney. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Sydney. Data last updated April 24, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:10 am
DEN
- SYD
3 stops37h 40m
Multiple Airlines
Sun 5/241:15 pm
SYD
- DEN
2 stops27h 23m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$924
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/1310:39 pm
DEN
- SYD
2 stops45h 11m
Multiple Airlines
Wed 5/275:50 pm
SYD
- DEN
1 stop32h 14m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,181
This Trip.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:41 am
DEN
- SYD
2 stops35h 24m
Multiple Airlines
Sun 5/316:00 am
SYD
- DEN
2 stops34h 38m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,046
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/208:41 am
DEN
- SYD
1 stop30h 24m
Multiple Airlines
Wed 5/279:10 am
SYD
- DEN
1 stop26h 56m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,145
This Trip.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/247:00 am
DEN
- SYD
2 stops36h 50m
Multiple Airlines
Fri 5/291:15 pm
SYD
- DEN
2 stops27h 23m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$933
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/272:00 pm
DEN
- SYD
1 stop25h 05m
Multiple Airlines
Tue 6/99:10 am
SYD
- DEN
1 stop20h 01m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,183
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/277:20 am
DEN
- SYD
2 stops36h 30m
Multiple Airlines
Sat 6/65:50 pm
SYD
- DEN
1 stop22h 48m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,188
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/299:54 pm
DEN
- SYD
2 stops56h 16m
Multiple Airlines
Sat 6/65:50 pm
SYD
- DEN
1 stop22h 48m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,200
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 April 24, 2026.
Search for one-way flight options from Denver to Sydney. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/277:20 am
DEN
- SYD
2 stops36h 30m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/67:20 am
DEN
- SYD
2 stops46h 50m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$520
This Trip.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/242:00 pm
DEN
- SYD
2 stops29h 50m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/2310:39 pm
DEN
- SYD
2 stops45h 11m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:00 am
DEN
- SYD
2 stops36h 50m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/210:39 pm
DEN
- SYD
1 stop40h 51m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$679
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/3012:18 pm
DEN
- SYD
2 stops31h 32m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$724
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $924 (Trip.com) |
One-way from | $478 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,183 |
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 April 24, 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
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Fri 5/1
7:25 pm-6:50 pm
2 stops31h 25m
Sydney Kingsford Smith
Sun 5/10
8:45 pm-12:06 pm
2 stops31h 21m
$1,496
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Fri 5/1
7:25 pm-6:50 pm
2 stops31h 25m
Sydney Kingsford Smith
Sun 5/24
8:45 pm-1:39 pm
2 stops32h 54m
$1,497
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Sun 6/7
7:21 pm-6:50 pm
2 stops31h 29m
Sydney Kingsford Smith
Sun 6/14
8:45 pm-11:03 am
2 stops30h 18m
$1,670
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Thu 7/2
6:02 am-7:30 am
2 stops33h 28m
Sydney Kingsford Smith
Mon 7/6
5:50 pm-8:10 pm
2 stops42h 20m
$1,676
Quickest round-trip
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Mon 5/18
8:35 pm-7:05 am
1 stop18h 30m
Sydney Kingsford Smith
Sun 5/31
9:10 am-11:01 am
1 stop17h 51m
$1,751
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Wed 7/1
6:08 pm-7:05 am
1 stop20h 57m
Sydney Kingsford Smith
Tue 7/7
10:00 pm-5:40 pm
2 stops35h 40m
$1,781
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Sun 7/19
9:08 pm-6:50 pm
2 stops29h 42m
Sydney Kingsford Smith
Tue 8/11
8:45 pm-6:09 pm
2 stops37h 24m
$1,908
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Wed 4/29
7:36 am-11:45 am
2 stops36h 09m
Sydney Kingsford Smith
Wed 5/20
9:55 pm-11:55 pm
2 stops42h 00m
$1,940
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Sat 5/23
6:08 pm-10:55 am
2 stops24h 47m
Sydney Kingsford Smith
Sun 5/31
5:10 pm-11:01 am
2 stops33h 51m
$2,006
DenverSydney
DEN - SYD
DENSYD
Denver Intl
Sat 5/23
6:08 pm-9:35 am
2 stops23h 27m
Sydney Kingsford Smith
Mon 6/1
10:20 am-11:01 am
2 stops40h 41m
$2,006
Showing 1-10 of 17 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 April.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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?
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 66 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, April is the cheapest month in which you can book a flight from Denver to Sydney (average of $1,183). Flying from Denver to Sydney in December is currently the most expensive (average of $1,746). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Denver to Sydney?
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 April 24, 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.
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
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
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Denver and Sydney flights
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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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$1,377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$684 | Average$1,191 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$745 | Average$945 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$802 | Average$1,340 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$844 | Average$1,131 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$853 | Average$1,459 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,009 | Average$1,248 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,121 | Average$1,274 | FlexibilityNo cancel fee | On-time78% |