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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
12 Oct — 19 Oct1
Return
1 adult
Economy
Return
1 adult, Economy
Cheapflights Tip: The best prices from Detroit All airports to Sydney Kingsford Smith are usually found in February or March, booked 78 days in advance, depart on a Tuesday or Monday and return on a Monday
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 12 September 2025.
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 12 September 2025.
Mon 15/918:07DTW - SYD
1 stop22h 48mQantas Airways
Wed 1/1012:10SYD - DTW
1 stop24h 30mQantas Airways
Deal found 9/9$1,193
Mon 15/918:07DTW - SYD
1 stop22h 48mQantas Airways
Mon 22/912:10SYD - DTW
1 stop24h 23mQantas Airways
Deal found 10/9$1,194
Sun 14/917:35DTW - SYD
1 stop23h 20mQantas Airways
Tue 16/912:10SYD - DTW
1 stop24h 30mQantas Airways
Deal found 10/9$1,197
Wed 17/918:07DTW - SYD
1 stop22h 48mQantas Airways
Wed 24/912:10SYD - DTW
1 stop24h 30mQantas Airways
Deal found 12/9$1,199
Wed 24/916:05DTW - SYD
1 stop24h 50mAmerican Airlines
Tue 7/1010:10SYD - DTW
2 stops26h 40mAmerican Airlines
Deal found 10/9$1,217
Mon 15/914:28DTW - SYD
2 stops26h 37mAmerican Airlines
Wed 1/1009:10SYD - DTW
2 stops23h 37mAmerican Airlines
Deal found 9/9$1,235
Wed 17/914:28DTW - SYD
2 stops26h 37mAmerican Airlines
Wed 24/912:10SYD - DTW
1 stop24h 30mAmerican Airlines
Deal found 10/9$1,237
Wed 24/917:32DTW - SYD
1 stop23h 23mUnited Airlines
Tue 7/1011:20SYD - DTW
1 stop20h 20mUnited Airlines
Deal found 11/9$1,238
Mon 22/916:53DTW - SYD
2 stops24h 07mUnited Airlines
Wed 8/1010:30SYD - DTW
2 stops28h 11mUnited Airlines
Deal found 10/9$1,243
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 12 September 2025.
Wed 24/912:43DTW - SYD
2 stops27h 52mDelta
Tue 7/1010:25SYD - DTW
1 stop21h 44mDelta
Deal found 11/9$1,238
Wed 24/917:32DTW - SYD
1 stop23h 23mUnited Airlines
Tue 7/1011:20SYD - DTW
1 stop20h 20mUnited Airlines
Deal found 11/9$1,238
Wed 24/917:32DTW - SYD
1 stop23h 23mUnited Airlines
Sun 5/1010:30SYD - DTW
2 stops28h 11mUnited Airlines
Deal found 10/9$1,243
Sat 27/921:45DTW - SYD
2 stops42h 50mDelta
Wed 8/1010:25SYD - DTW
2 stops24h 06mDelta
Deal found 10/9$1,282
Mon 22/917:32DTW - SYD
1 stop23h 23mUnited Airlines
Mon 6/1011:20SYD - DTW
1 stop20h 20mUnited Airlines
Deal found 10/9$1,243
Sat 27/921:45DTW - SYD
2 stops42h 50mDelta
Sun 5/1010:25SYD - DTW
2 stops25h 58mDelta
Deal found 10/9$1,282
Mon 22/916:48DTW - SYD
2 stops24h 12mUnited Airlines
Tue 7/1010:30SYD - DTW
2 stops26h 52mUnited Airlines
Deal found 10/9$1,243
Wed 24/916:20DTW - SYD
2 stops24h 35mUnited Airlines
Mon 6/1010:30SYD - DTW
2 stops26h 52mUnited Airlines
Deal found 10/9$1,243
Mon 22/909:20DTW - SYD
2 stops31h 40mUnited Airlines
Wed 8/1011:20SYD - DTW
1 stop20h 20mUnited Airlines
Deal found 10/9$1,243
Mon 29/907:00DTW - SYD
2 stops34h 00mUnited Airlines
Tue 14/1010:30SYD - DTW
2 stops26h 58mUnited Airlines
Deal found 10/9$1,261
Sat 27/918:05DTW - SYD
2 stops46h 55mUnited Airlines
Wed 8/1011:20SYD - DTW
1 stop20h 20mUnited Airlines
Deal found 10/9$1,282
Last-minute flights from Detroit to Sydney
Discover last-minute flight deals from Detroit to Sydney. Data last updated 12 September 2025 and is based on user searches.
Wed 17/918:07DTW - SYD
1 stop22h 48mQantas Airways
Wed 24/912:10SYD - DTW
1 stop24h 30mQantas Airways
Deal found 12/9$1,199
Wed 17/911:55DTW - SYD
2 stops29h 10mAmerican Airlines
Wed 24/909:10SYD - DTW
2 stops22h 03mAmerican Airlines
Deal found 10/9$1,235
Wed 17/916:00DTW - SYD
1 stop24h 35mDelta
Wed 24/909:25SYD - DTW
1 stop23h 55mDelta
Deal found 11/9$1,255
Wed 17/909:55DTW - SYD
2 stops31h 25mAir Canada
Wed 24/909:20SYD - DTW
3 stops50h 09mAir Canada
Deal found 11/9$1,375
Sat 20/916:53DTW - SYD
2 stops24h 07mUnited Airlines
Sat 27/910:20SYD - DTW
1 stop20h 20mUnited Airlines
Deal found 10/9$1,335
Sun 21/912:16DTW - SYD
1 stop28h 19mDelta
Fri 10/1010:25SYD - DTW
1 stop27h 33mDelta
Deal found 10/9$1,289
Mon 22/909:20DTW - SYD
2 stops31h 40mUnited Airlines
Wed 8/1011:20SYD - DTW
1 stop20h 20mUnited Airlines
Deal found 10/9$1,243
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 12 September 2025.
Mon 9/213:52DTW - SYD
2 stops27h 08mAmerican Airlines
Deal found 10/9$683
Tue 16/1211:48DTW - SYD
2 stops26h 22mAmerican Airlines
Deal found 11/9$685
Thu 5/211:05DTW - SYD
2 stops27h 55mUnited Airlines
Deal found 11/9$695
Sat 17/109:25DTW - SYD
2 stops31h 05mDelta
Deal found 12/9$697
Fri 16/119:45DTW - SYD
2 stops44h 45mDelta
Deal found 12/9$704
Fri 17/1018:05DTW - SYD
2 stops46h 55mUnited Airlines
Deal found 9/9$725
Wed 15/1012:00DTW - SYD
2 stops29h 05mAmerican Airlines
Deal found 9/9$834
Tue 14/1007:00DTW - SYD
2 stops34h 05mAmerican Airlines
Deal found 9/9$841
Thu 9/1016:10DTW - SYD
2 stops25h 10mAir Canada
Deal found 11/9$893
Mon 13/1020:35DTW - SYD
2 stops44h 45mAir Canada
Deal found 9/9$906
Thu 9/1013:07DTW - SYD
2 stops25h 58mAmerican Airlines
Deal found 11/9$909
Cheapflights Fare Finder
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 12 September 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
Wed 24/9
12:43-06:35
2 stops27h 52m
Sydney Kingsford Smith
Tue 7/10
10:25-17:09
1 stop21h 44m
$1,238
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Wed 24/9
17:32-06:55
1 stop23h 23m
Sydney Kingsford Smith
Tue 7/10
11:20-16:40
1 stop20h 20m
$1,238
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Wed 24/9
17:32-06:55
1 stop23h 23m
Sydney Kingsford Smith
Sun 5/10
10:30-23:41
2 stops28h 11m
$1,243
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Mon 22/9
17:32-06:55
1 stop23h 23m
Sydney Kingsford Smith
Mon 6/10
11:20-16:40
1 stop20h 20m
$1,243
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Mon 22/9
16:48-07:00
2 stops24h 12m
Sydney Kingsford Smith
Tue 7/10
10:30-22:22
2 stops26h 52m
$1,243
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Wed 24/9
16:20-06:55
2 stops24h 35m
Sydney Kingsford Smith
Mon 6/10
10:30-22:22
2 stops26h 52m
$1,243
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Mon 22/9
09:20-07:00
2 stops31h 40m
Sydney Kingsford Smith
Wed 8/10
11:20-16:40
1 stop20h 20m
$1,243
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Mon 29/9
07:00-07:00
2 stops34h 00m
Sydney Kingsford Smith
Tue 14/10
10:30-22:28
2 stops26h 58m
$1,261
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Sat 27/9
21:45-06:35
2 stops42h 50m
Sydney Kingsford Smith
Wed 8/10
10:25-19:31
2 stops24h 06m
$1,282
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Sat 27/9
21:45-06:35
2 stops42h 50m
Sydney Kingsford Smith
Sun 5/10
10:25-21:23
2 stops25h 58m
$1,282
Flights are sorted by cheapest return flights first.
Deals found on 10/9
Showing 1-10 of 19 results
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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 29 August 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 77 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, May is the cheapest month in which you can book a flight from Detroit to Sydney (average of $129). Flying from Detroit to Sydney in October is currently the most expensive (average of $171). 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 12 September 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 80% 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 43% 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 $930.
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 25m.
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 12 September 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.
Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
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 Delta and United Airlines fly from Detroit to Sydney in about 23h 23m. The time it takes to get you to your destination can typically vary by up to 4h 29m. Airlines will cover a distance of 15226 km. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from Detroit to Sydney round-trip?
Our cheapest airline available from Detroit to Sydney is American Airlines. Our recent data shows that you can find tickets from as low as $1,409 on this airline. American Airlines 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, May is the cheapest month in which you can book a flight from Detroit to Sydney (average of $129). Flying from Detroit to Sydney in October is currently the most expensive (average of $171). 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 12 September 2025.
Discover the top airline 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 12 September 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.
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