$1,137+ Cheap flights from Detroit (DTT) to Sydney, NS (YQY)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — YQY
Oct 23 — Oct 301
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
Cheapest
Best
Last-minute
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 September 23, 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 September 23, 2026.
This Air Canada deal was found by Cheapflights users on 9/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:34 am -
2 stops22h 56m
Fri 10/3012:10 pm -
1 stop6h 30m
Deal found 9/18![Air Canada logo]()
$1,137
This Air Canada deal was found by Cheapflights users on 9/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:17 pm -
2 stops20h 21m
Thu 10/155:20 pm -
2 stops20h 49m
Deal found 9/18![Air Canada logo]()
$1,143
This United deal was found by Cheapflights users on 9/22. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:30 pm -
2 stops11h 15m
Thu 10/2912:10 pm -
1 stop6h 30m
Deal found 9/22![Multiple Airlines logo]()
$1,189
This Air Canada deal was found by Cheapflights users on 9/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:55 pm -
1 stop25h 43m
Thu 10/2912:10 pm -
1 stop6h 30m
Deal found 9/22![Air Canada logo]()
$1,258
This United deal was found by Cheapflights users on 9/19. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
2 stops16h 45m
Thu 10/15:05 am -
2 stops19h 33m
Deal found 9/19![Multiple Airlines logo]()
$1,721
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 September 23, 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 September 23, 2026.
This Air Canada deal was found by Cheapflights users on 9/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:34 am -
2 stops22h 56m
Fri 10/3012:10 pm -
1 stop6h 30m
Deal found 9/22![Air Canada logo]()
$1,137
This United deal was found by Cheapflights users on 9/22. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:30 pm -
2 stops11h 15m
Thu 10/2912:10 pm -
1 stop6h 30m
Deal found 9/22![Multiple Airlines logo]()
$1,189
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:17 pm -
2 stops20h 21m
Thu 10/155:20 pm -
2 stops20h 49m
Deal found 9/21![Air Canada logo]()
$1,143
Last-minute flights from Detroit to SydneyDiscover last-minute flight deals from Detroit to Sydney. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Sydney. Data last updated September 23, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 9/19. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
2 stops16h 45m
Thu 10/15:05 am -
2 stops19h 33m
Deal found 9/19![Multiple Airlines logo]()
$1,721
This Air Canada deal was found by Cheapflights users on 9/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:17 pm -
2 stops20h 21m
Thu 10/155:20 pm -
2 stops20h 49m
Deal found 9/18![Air Canada logo]()
$1,143
This United deal was found by Cheapflights users on 9/22. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:30 pm -
2 stops11h 15m
Thu 10/2912:10 pm -
1 stop6h 30m
Deal found 9/22![Multiple Airlines logo]()
$1,189
This Air Canada deal was found by Cheapflights users on 9/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:55 pm -
1 stop25h 43m
Thu 10/2912:10 pm -
1 stop6h 30m
Deal found 9/22![Air Canada logo]()
$1,258
This Air Canada deal was found by Cheapflights users on 9/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:34 am -
2 stops22h 56m
Fri 10/3012:10 pm -
1 stop6h 30m
Deal found 9/18![Air Canada logo]()
$1,137
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 (YQY). 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,137 (Air Canada) |
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 7,457,451 searches. Data last updated September 23, 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 - YQY Sydney
DTWYQY
Detroit Metropolitan Wayne County
Tue 10/27
11:34 am-11:30 am
2 stops22h 56m
Sydney
Fri 10/30
12:10 pm-5:40 pm
1 stop6h 30m
$1,137
DetroitSydney
DTW Detroit Metropolitan Wayne County - YQY Sydney
DTWYQY
Detroit Metropolitan Wayne County
Fri 10/9
7:17 pm-4:38 pm
2 stops20h 21m
Sydney
Thu 10/15
5:20 pm-1:09 pm
2 stops20h 49m
$1,143
Quickest round-trip
DetroitSydney
DTW Detroit Metropolitan Wayne County - YQY Sydney
DTWYQY
Detroit Metropolitan Wayne County
Thu 10/22
12:30 pm-12:45 am
2 stops11h 15m
Sydney
Thu 10/29
12:10 pm-5:40 pm
1 stop6h 30m
$1,189
Sorted 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Detroit-Sydney, Nova Scotia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Sydney, Nova Scotia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Sydney, Nova Scotia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit-Sydney, Nova Scotia 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, Nova Scotia 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-YQY
DTW-YQY
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-YQY
DTW-YQY
No data available for this route at this time. Please check back soon.
Related info for your journey
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