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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
29 Dec — 5 Jan1
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 October, 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 29 November 2025.
Wed 10/1211:48DTW - SYD
1 stop27h 07mQantas Airways
Sun 11/106:05SYD - DTW
2 stops26h 27mQantas Airways
Deal found 28/11$1,623
Wed 31/1212:17DTW - SYD
2 stops28h 13mDelta
Thu 15/114:15SYD - DTW
2 stops26h 30mDelta
Deal found 28/11$1,838
Fri 28/1109:07DTW - SYD
2 stops32h 28mAir Canada
Fri 5/1211:20SYD - DTW
2 stops46h 15mAir Canada
Deal found 27/11$1,962
Fri 5/1209:15DTW - SYD
2 stops32h 20mMultiple Airlines
Sat 31/106:00SYD - DTW
2 stops31h 02mMultiple Airlines
Deal found 28/11$2,026
Fri 12/1211:48DTW - SYD
2 stops28h 47mQantas Airways
Fri 26/1206:05SYD - DTW
2 stops24h 40mQantas Airways
Deal found 29/11$2,049
Tue 9/1209:10DTW - SYD
2 stops32h 25mAir Canada
Tue 16/1211:20SYD - DTW
2 stops43h 27mAir Canada
Deal found 28/11$2,183
Mon 8/1218:15DTW - SYD
2 stops44h 40mAir Canada
Tue 16/1211:20SYD - DTW
2 stops43h 27mAir Canada
Deal found 28/11$2,186
Sat 27/1218:15DTW - SYD
2 stops47h 20mAir Canada
Tue 27/111:20SYD - DTW
1 stop46h 15mAir Canada
Deal found 29/11$2,198
Wed 31/1218:15DTW - SYD
2 stops44h 40mAir Canada
Thu 15/111:20SYD - DTW
1 stop46h 15mAir Canada
Deal found 28/11$2,207
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 29 November 2025.
Mon 23/315:59DTW - SYD
2 stops27h 56mQantas Airways
Thu 23/412:00SYD - DTW
1 stop20h 00mQantas Airways
Deal found 27/11$1,675
Sun 1/211:20DTW - SYD
1 stop27h 35mMultiple Airlines
Sun 15/214:05SYD - DTW
1 stop20h 34mMultiple Airlines
Deal found 28/11$1,747
Tue 24/314:10DTW - SYD
2 stops25h 50mUnited Airlines
Tue 28/409:30SYD - DTW
2 stops26h 37mUnited Airlines
Deal found 29/11$1,762
Tue 27/117:55DTW - SYD
2 stops22h 35mDelta
Mon 27/409:25SYD - DTW
2 stops28h 37mDelta
Deal found 29/11$1,762
Tue 27/113:23DTW - SYD
1 stop25h 32mQantas Airways
Mon 27/412:00SYD - DTW
1 stop20h 00mQantas Airways
Deal found 27/11$1,750
Tue 24/312:35DTW - SYD
2 stops26h 30mDelta
Mon 20/409:25SYD - DTW
2 stops24h 47mDelta
Deal found 27/11$1,762
Wed 18/314:10DTW - SYD
2 stops25h 10mUnited Airlines
Mon 20/409:30SYD - DTW
2 stops24h 51mUnited Airlines
Deal found 29/11$1,762
Mon 19/114:15DTW - SYD
2 stops26h 15mDelta
Tue 17/210:40SYD - DTW
2 stops27h 15mDelta
Deal found 29/11$1,762
Tue 24/314:10DTW - SYD
2 stops28h 05mUnited Airlines
Mon 20/409:30SYD - DTW
2 stops24h 51mUnited Airlines
Deal found 28/11$1,762
Last-minute flights from Detroit to Sydney
Discover last-minute flight deals from Detroit to Sydney. Data last updated 29 November 2025 and is based on user searches.
Fri 5/1209:15DTW - SYD
2 stops32h 20mMultiple Airlines
Sat 31/106:00SYD - DTW
2 stops31h 02mMultiple Airlines
Deal found 28/11$2,026
Sat 6/1218:15DTW - SYD
2 stops47h 20mAir Canada
Tue 23/1211:20SYD - DTW
2 stops46h 15mAir Canada
Deal found 27/11$2,253
Mon 8/1218:15DTW - SYD
2 stops44h 40mAir Canada
Tue 16/1211:20SYD - DTW
2 stops43h 27mAir Canada
Deal found 27/11$1,954
Mon 8/1215:49DTW - SYD
1 stop23h 06mQantas Airways
Tue 16/1206:05SYD - DTW
2 stops28h 34mQantas Airways
Deal found 28/11$2,438
Tue 9/1209:10DTW - SYD
2 stops32h 25mAir Canada
Tue 16/1211:20SYD - DTW
2 stops43h 27mAir Canada
Deal found 27/11$1,953
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 29 November 2025.
Tue 3/308:00DTW - SYD
3 stops58h 45mMultiple Airlines
Deal found 27/11$709
Mon 16/318:14DTW - SYD
2 stops27h 21mMultiple Airlines
Deal found 27/11$793
Mon 2/318:07DTW - SYD
3 stops50h 28mMultiple Airlines
Deal found 27/11$799
Mon 16/315:59DTW - SYD
1 stop23h 56mQantas Airways
Deal found 27/11$894
Mon 2/315:58DTW - SYD
1 stop22h 57mQantas Airways
Deal found 27/11$898
Sun 1/312:05DTW - SYD
3 stops53h 45mMultiple Airlines
Deal found 27/11$902
Thu 5/213:23DTW - SYD
1 stop25h 32mQantas Airways
Deal found 28/11$906
Sun 1/315:58DTW - SYD
1 stop22h 57mQantas Airways
Deal found 27/11$934
Tue 3/312:30DTW - SYD
1 stop26h 20mDelta
Deal found 27/11$947
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 29 November 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 29 November 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
Mon 23/3
15:59-10:55
2 stops27h 56m
Sydney Kingsford Smith
Thu 23/4
12:00-18:00
1 stop20h 00m
$1,675
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Sun 1/2
11:20-06:55
1 stop27h 35m
Sydney Kingsford Smith
Sun 15/2
14:05-18:39
1 stop20h 34m
$1,747
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Tue 27/1
13:23-06:55
1 stop25h 32m
Sydney Kingsford Smith
Mon 27/4
12:00-18:00
1 stop20h 00m
$1,750
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Tue 24/3
14:10-07:00
2 stops25h 50m
Sydney Kingsford Smith
Tue 28/4
09:30-22:07
2 stops26h 37m
$1,762
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Tue 27/1
17:55-08:30
2 stops22h 35m
Sydney Kingsford Smith
Mon 27/4
09:25-00:02
2 stops28h 37m
$1,762
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Tue 24/3
12:35-06:05
2 stops26h 30m
Sydney Kingsford Smith
Mon 20/4
09:25-20:12
2 stops24h 47m
$1,762
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Wed 18/3
14:10-06:20
2 stops25h 10m
Sydney Kingsford Smith
Mon 20/4
09:30-20:21
2 stops24h 51m
$1,762
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Mon 19/1
14:15-08:30
2 stops26h 15m
Sydney Kingsford Smith
Tue 17/2
10:40-21:55
2 stops27h 15m
$1,762
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Tue 24/3
14:10-09:15
2 stops28h 05m
Sydney Kingsford Smith
Mon 20/4
09:30-20:21
2 stops24h 51m
$1,762
DetroitSydney
DTW - SYD
DTWSYD
Detroit Metropolitan Wayne County
Tue 3/3
08:00-10:45
3 stops58h 45m
$709
Flights are sorted by cheapest return flights first.
Deals found on 27/11
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 28 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 $796). Flying from Detroit to Sydney in January is currently the most expensive (average of $1,318). 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 29 November 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.
Dallas (DFW) – chosen by Cheapflights users on 50% 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.
San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $1,405.
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 Houston (IAH) have the shortest average one-way travel time for one-stop routes: 22h 13m.
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 29m.
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 29 November 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 United Airlines fly from Detroit to Sydney in about 25h 50m. The time it takes to get you to your destination can typically vary by up to 2h 06m. 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 Qantas Airways. Our recent data shows that you can find tickets from as low as $1,340 on this airline. 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 $796). Flying from Detroit to Sydney in January is currently the most expensive (average of $1,318). 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 29 November 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 29 November 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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