$638+ Cheap flights from Detroit (DTT) 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Detroit to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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 Detroit to Sydney
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Cheapest flights from Detroit to SydneyExplore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:37 am -
3 stops35h 13m
Wed 10/76:05 am -
3 stops37h 50m
Deal found 8/11![Multiple Airlines logo]()
$1,122
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 am -
3 stops40h 25m
Fri 10/21:15 pm -
3 stops36h 36m
Deal found 8/11![Multiple Airlines logo]()
$1,176
This Qantas Airways deal was found by Cheapflights users on 8/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:49 pm -
1 stop24h 06m
Sun 11/226:05 am -
2 stops25h 41m
Deal found 8/10![Qantas Airways logo]()
$1,200
This oojo deal was found by Cheapflights users on 8/9. 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.
Mon 11/28:45 am -
2 stops33h 50m
Tue 11/179:55 am -
2 stops28h 32m
Deal found 8/9![Air New Zealand logo]()
$1,223
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/217:00 am -
3 stops49h 25m
Tue 9/296:15 am -
3 stops43h 36m
Deal found 8/13![Multiple Airlines logo]()
$1,255
This FlightHub deal was found by Cheapflights users on 8/11. 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.
Thu 11/58:45 am -
2 stops36h 05m
Tue 11/179:55 am -
2 stops28h 32m
Deal found 8/11![Air New Zealand logo]()
$1,284
This oojo deal was found by Cheapflights users on 8/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:45 am -
2 stops34h 50m
Sat 11/77:25 pm -
2 stops43h 31m
Deal found 8/10![Air New Zealand logo]()
$1,290
This oojo deal was found by Cheapflights users on 8/11. 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 10/264:45 pm -
2 stops26h 50m
Sun 11/157:30 am -
2 stops31h 26m
Deal found 8/11![Air New Zealand logo]()
$1,291
This Qantas Airways deal was found by Cheapflights users on 8/11. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2411:41 am -
1 stop27h 14m
Fri 1/296:55 am -
2 stops24h 51m
Deal found 8/11![Qantas Airways logo]()
$1,300
This oojo deal was found by Cheapflights users on 8/11. 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.
Thu 11/52:49 pm -
1 stop24h 06m
Tue 11/172:05 pm -
1 stop25h 47m
Deal found 8/11![Qantas Airways logo]()
$1,316
Best flights from Detroit to SydneyDiscover carefully curated flight deals from Detroit to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Detroit to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:26 pm -
2 stops24h 29m
Sun 8/309:30 am -
2 stops24h 59m
Deal found 8/12![United Airlines logo]()
$1,338
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:49 pm -
1 stop28h 01m
Tue 8/259:15 am -
1 stop28h 28m
Deal found 8/13![Delta logo]()
$1,348
This Qantas Airways deal was found by Cheapflights users on 8/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:10 pm -
1 stop23h 45m
Thu 10/221:00 pm -
1 stop20h 24m
Deal found 8/10![Multiple Airlines logo]()
$1,355
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:29 pm -
1 stop20h 21m
Tue 10/2010:15 am -
1 stop24h 00m
Deal found 8/13![Delta logo]()
$1,353
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:16 pm -
1 stop22h 34m
Tue 10/2010:15 am -
1 stop21h 54m
Deal found 8/13![Delta logo]()
$1,358
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:37 pm -
2 stops28h 13m
Wed 10/2110:15 am -
1 stop21h 54m
Deal found 8/11![Delta logo]()
$1,358
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:29 pm -
1 stop20h 21m
Fri 11/1310:40 am -
1 stop28h 15m
Deal found 8/9![Delta logo]()
$1,363
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:50 pm -
1 stop25h 00m
Mon 10/510:15 am -
2 stops29h 39m
Deal found 8/12![Delta logo]()
$1,363
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm -
1 stop25h 00m
Fri 9/259:15 am -
1 stop28h 25m
Deal found 8/9![Delta logo]()
$1,363
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:30 pm -
1 stop24h 00m
Sat 11/1410:40 am -
2 stops25h 58m
Deal found 8/13![Delta logo]()
$1,363
Last-minute flights from Detroit to SydneyDiscover last-minute flight deals from Detroit to Sydney. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Sydney. Data last updated August 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:18 pm -
1 stop21h 37m
Sun 8/3010:20 am -
1 stop21h 46m
Deal found 8/12![United Airlines logo]()
$1,338
This Bravofly deal was found by Cheapflights users on 8/12. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:15 am -
2 stops36h 30m
Tue 9/87:20 pm -
2 stops41h 13m
Deal found 8/12![Air New Zealand logo]()
$1,333
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:37 am -
3 stops35h 13m
Wed 10/76:05 am -
3 stops37h 50m
Deal found 8/11![Multiple Airlines logo]()
$1,122
This oojo deal was found by Cheapflights users on 8/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:52 pm -
1 stop21h 03m
Thu 10/81:00 pm -
1 stop20h 24m
Deal found 8/12![Qantas Airways logo]()
$1,323
This oojo deal was found by Cheapflights users on 8/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:15 am -
2 stops38h 25m
Fri 11/1311:50 am -
2 stops26h 37m
Deal found 8/10![Air New Zealand logo]()
$1,330
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/217:00 am -
3 stops49h 25m
Tue 9/296:15 am -
3 stops43h 36m
Deal found 8/13![Multiple Airlines logo]()
$1,255
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 am -
3 stops40h 25m
Fri 10/21:15 pm -
3 stops36h 36m
Deal found 8/11![Multiple Airlines logo]()
$1,176
This Bravofly deal was found by Cheapflights users on 8/11. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:10 pm -
1 stop23h 45m
Fri 10/212:00 pm -
1 stop21h 01m
Deal found 8/11![Qantas Airways logo]()
$1,322
One-way flights from Detroit to SydneySearch for one-way flight options from Detroit to Sydney. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Detroit to Sydney. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:37 am -
2 stops30h 28m
Deal found 8/11![Multiple Airlines logo]()
$638
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:37 am -
2 stops30h 53m
Deal found 8/11![Multiple Airlines logo]()
$650
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:35 pm -
2 stops48h 55m
Deal found 8/11![Multiple Airlines logo]()
$655
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:07 pm -
3 stops53h 23m
Deal found 8/10![Multiple Airlines logo]()
$681
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:37 am -
3 stops42h 33m
Deal found 8/10![Multiple Airlines logo]()
$692
This oojo deal was found by Cheapflights users on 8/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:10 am -
2 stops32h 55m
Deal found 8/12![Qantas Airways logo]()
$696
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:10 pm -
1 stop23h 45m
Deal found 8/10![Qantas Airways logo]()
$704
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
3 stops47h 10m
Deal found 8/11![Multiple Airlines logo]()
$705
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:10 pm -
1 stop23h 45m
Deal found 8/11![Qantas Airways logo]()
$706
Find flight deals from Detroit to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,122 (Trip.com) |
One-way from | $638 (Trip.com) |
Popular in | July |
Cheapest in | March |
Average price | $1,069 |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit 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 August 14, 2026.
Use the filters below to find and compare flights from Detroit to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Sun 8/16
4:26 pm-6:55 am
2 stops24h 29m
Sydney Kingsford Smith
Sun 8/30
9:30 am-8:29 pm
2 stops24h 59m
$1,338
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Tue 8/18
12:49 pm-6:50 am
1 stop28h 01m
Sydney Kingsford Smith
Tue 8/25
9:15 am-11:43 pm
1 stop28h 28m
$1,348
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Wed 9/30
8:29 pm-6:50 am
1 stop20h 21m
Sydney Kingsford Smith
Tue 10/20
10:15 am-7:15 pm
1 stop24h 00m
$1,353
Quickest round-trip
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Wed 9/23
5:10 pm-6:55 am
1 stop23h 45m
Sydney Kingsford Smith
Thu 10/22
1:00 pm-6:24 pm
1 stop20h 24m
$1,355
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Thu 10/1
6:16 pm-6:50 am
1 stop22h 34m
Sydney Kingsford Smith
Tue 10/20
10:15 am-5:09 pm
1 stop21h 54m
$1,358
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Mon 10/5
12:37 pm-7:50 am
2 stops28h 13m
Sydney Kingsford Smith
Wed 10/21
10:15 am-5:09 pm
1 stop21h 54m
$1,358
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Fri 9/18
8:29 pm-6:50 am
1 stop20h 21m
Sydney Kingsford Smith
Fri 11/13
10:40 am-10:55 pm
1 stop28h 15m
$1,363
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Fri 9/18
3:50 pm-6:50 am
1 stop25h 00m
Sydney Kingsford Smith
Mon 10/5
10:15 am-12:54 am
2 stops29h 39m
$1,363
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Fri 9/11
3:50 pm-6:50 am
1 stop25h 00m
Sydney Kingsford Smith
Fri 9/25
9:15 am-11:40 pm
1 stop28h 25m
$1,363
DetroitSydney
DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith
DTWSYD
Detroit Metropolitan Wayne County
Wed 11/4
4:30 pm-8:30 am
1 stop24h 00m
Sydney Kingsford Smith
Sat 11/14
10:40 am-8:38 pm
2 stops25h 58m
$1,363
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Detroit 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 Detroit to Sydney in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Detroit-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit-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 Detroit-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 Detroit to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Detroit with our price prediction graph.
DTT-SYD
DTW-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 Detroit to Sydney
DTT-SYD
DTW-SYD
What is the cheapest month to book a flight from Detroit to Sydney?
Currently, March is the cheapest month in which you can book a flight from Detroit to Sydney (average of $995). Flying from Detroit to Sydney in July is currently the most expensive (average of $1,347). 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 Detroit to Sydney?
Airfare is typical for this route at the moment.
Detroit to Sydney flights typically cost between $884 and $1,171 in September.The cheapest round-trip price found within the last 5 days was $1,122 on Multiple Airlines (Sep 9-Oct 7).
How far ahead should I book a flight from Detroit to Sydney?
To ensure you get the cheapest price possible for a flight from Detroit to Sydney, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 August 14, 2026.
Peruse reviews from past customers who have flown with Delta,Qantas Airways, andUnited Airlines from Detroit to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayLaura,Aug 2023
DTW - BOS
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayLaura,Aug 2023
DTW - BOS
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayLaura,Aug 2023
DTW - BOS
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayLaura,Aug 2023
DTW - BOS
Related info for your journey
Find useful and relevant information for your journey from Detroit 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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Detroit and Sydney flights
Browse other Detroit and Sydney flight options. Last updated on August 14, 2026.
Other flights from Detroit
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
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Other flights to Sydney
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Top 6 airlines flying from Detroit to Sydney
Discover the top 6 airlines that operate flights from Detroit 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 August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$831 | Average$1,390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$847 | Average$1,149 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$860 | Average$1,440 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$933 | Average$1,276 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$974 | Average$1,294 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,185 | Average$1,537 | FlexibilityNo cancel fee | On-time78% |