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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
14 dez — 21 dez1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit All airports to Sydney Kingsford Smith are usually found in March or February, booked 74 days in advance, depart on a Tuesday or Monday and return on a Monday
Find flight deals from Detroit to Sydney
Enter your travel dates to find the best prices.
Cheapest flights from Detroit to Sydney
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 14 novembro 2025.
qui 13/1115:50DTW - SYD
1 stop23h 05mQantas Airways
qua 19/1120:10SYD - DTW
2 stops34h 50mQantas Airways
Deal found 12/11$1,405
seg 8/1211:48DTW - SYD
1 stop27h 07mQantas Airways
sáb 17/121:55SYD - DTW
2 stops38h 49mQantas Airways
Deal found 13/11$1,428
seg 17/1115:50DTW - SYD
1 stop23h 05mQantas Airways
qua 19/1121:55SYD - DTW
2 stops33h 05mQantas Airways
Deal found 13/11$1,563
ter 25/1115:50DTW - SYD
2 stops38h 35mQantas Airways
qui 4/1214:05SYD - DTW
1 stop20h 32mQantas Airways
Deal found 13/11$1,618
qua 10/1211:48DTW - SYD
1 stop27h 07mQantas Airways
dom 11/107:05SYD - DTW
2 stops29h 39mQantas Airways
Deal found 13/11$1,625
sex 14/1115:50DTW - SYD
2 stops47h 45mQantas Airways
sex 12/1214:05SYD - DTW
1 stop20h 34mQantas Airways
Deal found 12/11$1,634
sex 12/1211:48DTW - SYD
2 stops29h 42mQantas Airways
sex 19/1207:05SYD - DTW
2 stops23h 40mQantas Airways
Deal found 12/11$1,816
dom 7/1209:15DTW - SYD
1 stop30h 10mMultiple Airlines
ter 23/1217:45SYD - DTW
2 stops27h 14mMultiple Airlines
Deal found 13/11$1,828
qua 31/1213:41DTW - SYD
2 stops26h 49mDelta
qui 15/114:15SYD - DTW
1 stop22h 25mDelta
Deal found 13/11$1,837
Best flights from Detroit to Sydney
Discover carefully curated flight deals from Detroit to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 novembro 2025.
qua 10/1211:48DTW - SYD
1 stop27h 07mQantas Airways
dom 11/107:05SYD - DTW
2 stops29h 39mQantas Airways
Deal found 13/11$1,625
ter 24/315:50DTW - SYD
1 stop24h 40mDelta
dom 19/409:25SYD - DTW
1 stop26h 48mDelta
Deal found 12/11$1,759
sex 20/316:03DTW - SYD
2 stops29h 12mQantas Airways
qui 23/412:10SYD - DTW
1 stop19h 50mQantas Airways
Deal found 12/11$1,643
ter 24/312:35DTW - SYD
2 stops26h 30mDelta
seg 20/409:25SYD - DTW
2 stops23h 25mDelta
Deal found 12/11$1,759
sex 20/316:03DTW - SYD
2 stops29h 12mQantas Airways
ter 21/412:10SYD - DTW
1 stop19h 50mQantas Airways
Deal found 12/11$1,643
ter 27/114:07DTW - SYD
2 stops26h 23mDelta
seg 27/409:25SYD - DTW
1 stop23h 48mDelta
Deal found 12/11$1,759
qua 28/110:35DTW - SYD
2 stops29h 55mDelta
ter 28/409:25SYD - DTW
1 stop23h 48mDelta
Deal found 13/11$1,761
Last-minute flights from Detroit to Sydney
Discover last-minute flight deals from Detroit to Sydney. Data last updated 14 novembro 2025 and is based on user searches.
seg 24/1115:50DTW - SYD
1 stop23h 05mQantas Airways
seg 1/1220:10SYD - DTW
2 stops34h 50mQantas Airways
Deal found 11/11$2,518
seg 24/1118:15DTW - SYD
2 stops47h 20mAir Canada
seg 1/1216:00SYD - DTW
2 stops41h 35mAir Canada
Deal found 11/11$2,623
seg 24/1117:35DTW - SYD
2 stops47h 10mAir New Zealand
qui 18/1211:45SYD - DTW
2 stops33h 21mAir New Zealand
Deal found 12/11$11,616
seg 24/1117:35DTW - SYD
2 stops47h 10mAir New Zealand
seg 15/1209:55SYD - DTW
2 stops30h 02mAir New Zealand
Deal found 11/11$11,623
One-way flights from Detroit to Sydney
Search for one-way flight options from Detroit to Sydney. Find affordable one-way fares based on user searches. Data last updated 14 novembro 2025.
ter 9/1209:40DTW - SYD
2 stops28h 30mMultiple Airlines
Deal found 13/11$864
qua 31/1207:50DTW - SYD
2 stops31h 35mMultiple Airlines
Deal found 12/11$890
seg 29/1208:34DTW - SYD
2 stops32h 26mMultiple Airlines
Deal found 13/11$902
ter 30/1218:35DTW - SYD
3 stops44h 50mMultiple Airlines
Deal found 13/11$1,015
Cheap 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 14 novembro 2025.
Customise 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 647,157 searches. Data last updated 14 novembro 2025.
Use the filters below to find and compare flights from Detroit to Sydney that are best for you.
Fly from
Detroit
Fly to
Sydney
Route
Depart
Return
Price
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
qua 10/12
11:48-06:55
1 stop27h 07m
Sydney Kingsford Smith
dom 11/1
07:05-20:44
2 stops29h 39m
$1,625
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
sex 20/3
16:03-12:15
2 stops29h 12m
Sydney Kingsford Smith
qui 23/4
12:10-18:00
1 stop19h 50m
$1,643
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
sex 20/3
16:03-12:15
2 stops29h 12m
Sydney Kingsford Smith
ter 21/4
12:10-18:00
1 stop19h 50m
$1,643
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
ter 24/3
15:50-07:30
1 stop24h 40m
Sydney Kingsford Smith
dom 19/4
09:25-22:13
1 stop26h 48m
$1,759
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
ter 24/3
12:35-06:05
2 stops26h 30m
Sydney Kingsford Smith
seg 20/4
09:25-18:50
2 stops23h 25m
$1,759
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
ter 27/1
14:07-08:30
2 stops26h 23m
Sydney Kingsford Smith
seg 27/4
09:25-19:13
1 stop23h 48m
$1,759
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
qua 28/1
10:35-08:30
2 stops29h 55m
Sydney Kingsford Smith
ter 28/4
09:25-19:13
1 stop23h 48m
$1,761
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
seg 29/12
08:34-09:00
2 stops32h 26m
$902
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
qua 31/12
08:34-07:25
2 stops30h 51m
$946
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
ter 30/12
18:35-07:25
3 stops44h 50m
$1,015
Flights are sorted by cheapest return flights first.
Deals found on 13/11
Showing 1-10 of 13 results
1
2
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.
Estimated return 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
How far ahead should I book a flight from Detroit to Sydney?
Use this chart to determine the optimal time to book a return flight from Detroit to Sydney. Price data was last updated on 7 November 2025.
The price you pay for your flight from Detroit to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 74 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 Detroit to Sydney?
Currently, July is the cheapest month in which you can book a flight from Detroit to Sydney (average of $797). Flying from Detroit to Sydney in January is currently the most expensive (average of $1,317). 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.
What is the cheapest time of day to fly from DTT to SYD?
Find hourly flight availability from Detroit to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 novembro 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 84% on flights from Detroit to Sydney by exploring options for tickets at midday.
How much does it cost for a return flight from Detroit to Sydney?
What’s the top stopover airport for flights from Detroit to Sydney?
Share of one-stop return flights from Detroit to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Houston (IAH) – chosen by Cheapflights users on 45% of one-stop itineraries from Detroit to Sydney on Cheapflights.
What’s the cheapest stopover airport for flights from Detroit to Sydney?
Average return fare for one-stop flights from Detroit to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Houston (IAH) is the most affordable one-stop option, with an average return flight price of $941.
What’s the fastest stopover option from Detroit to Sydney?
Shortest average travel time for one-stop one-way flights from Detroit to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 22h 14m.
Which airport typically offers the quickest stopover for flights from Detroit to Sydney?
Average stopover duration for one-stop one-way flights from Detroit to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 28m.
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 14 novembro 2025.
Read reviews from past customers who have flown with Qantas Airways, United Airlines, andAmerican Airlines
from Detroit to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
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.
How long is the flight from Detroit to Sydney?
Airlines like Qantas Airways and Delta fly from Detroit to Sydney in about 24h 40m. The time it takes to get you to your destination can typically vary by up to 2h 27m. Airlines will cover a distance of 15226 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Detroit to Sydney round-trip?
Our cheapest airline available from Detroit to Sydney is Qantas Airways. Our recent data shows that you can find tickets from as low as $1,340 on this airline. An additional option worth looking into is American Airlines, starting at $1,426. Qantas Airways is 11% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for business class flights from Detroit to Sydney?
Yes. Cheapflights offers flight deals from Detroit to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Detroit to Sydney?
Currently, July is the cheapest month in which you can book a flight from Detroit to Sydney (average of $797). Flying from Detroit to Sydney in January is currently the most expensive (average of $1,317). 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.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 novembro 2025.
Discover the top 2 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 647,157 searches. Data last updated 14 novembro 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Detroit to Sydney?
When you search for this flight from Detroit to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Detroit to Sydney?
Cheapflights simply makes it quick and affordable to book flights from Detroit to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Detroit to Sydney with no change fees?
Yes! Cheapflights helps users easily find flights from Detroit to Sydney with no change fees.
Can Cheapflights notify me if prices for flights from Detroit to Sydney become cheaper?
Not ready to book yet? You can track prices for flights from Detroit to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.