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$679+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — YQY
Apr 1 — Apr 81
Wed 4/1
Wed 4/8
1 adult, Economy
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Cheap flight deals from Detroit to Sydney

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 March 2, 2026.

This Air Canada deal was found by Cheapflights users on 2/27. 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 10/303:55 pm
DTW
-
YQY
1 stop5h 36m
Air Canada
Mon 11/212:15 pm
YQY
-
DTW
1 stop6h 21m
Air Canada
Deal found 2/27$679
This Air Canada deal was found by Cheapflights users on 2/26. 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 10/96:50 pm
DTW
-
YQY
1 stop4h 55m
Air Canada
Thu 10/155:05 am
YQY
-
DTW
1 stop6h 02m
Air Canada
Deal found 2/26$684
This Air Canada deal was found by Cheapflights users on 2/26. 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.
Sun 8/910:15 am
DTW
-
YQY
1 stop5h 24m
Air Canada
Thu 8/135:05 am
YQY
-
DTW
1 stop10h 06m
Air Canada
Deal found 2/26$703

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 March 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$703
(Air Canada)
Provider with most accurate pricing for Detroit (DTT)-Sydney flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Sydney flights.
Search Deals
From Detroit (DTT) to Sydney
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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 March 2, 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

Price

DetroitSydney

DTW - YQY

DTWYQY

Detroit Metropolitan Wayne County

Sun 8/9

10:15 am-4:39 pm

1 stop5h 24m

Sydney

Thu 8/13

5:05 am-2:11 pm

1 stop10h 06m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Sorted by cheapest first
  • 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.
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
No data available for this route at this time. Please check back soon.

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, Nova Scotia?

    There are many flights that can get you from Detroit to Sydney, Nova Scotia in 5h 24m. Fly via Air Canada to get the fastest option. The distance between Detroit and Sydney, Nova Scotia is about 1181 mi.

  • Can I find deals for flights from Detroit to Sydney that include hotel bookings?

    Yes. In addition to deals on Detroit to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Sydney.

  • 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.

See more FAQs

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