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$511+ Cheap flights from Detroit (DTT) to Australia

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
May 15 — May 221
Fri 5/15
Fri 5/22
1 adult, Economy
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Cheap flight deals from Detroit to Australia

Cheapest flights from Detroit to Australia
Explore the most affordable flight options available from Detroit to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2026.

This Trip.com deal was found by Cheapflights users on 4/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
DTW
-
SYD
3 stops39h 50m
Multiple Airlines
Mon 6/11:15 pm
SYD
-
DTW
3 stops36h 45m
Multiple Airlines
Deal found 4/11$1,030
This Trip.com deal was found by Cheapflights users on 4/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:52 am
DTW
-
SYD
3 stops36h 58m
Multiple Airlines
Fri 5/226:00 am
SYD
-
DTW
3 stops55h 59m
Multiple Airlines
Deal found 4/12$1,041
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:52 am
DTW
-
SYD
3 stops47h 18m
Multiple Airlines
Wed 5/206:00 am
SYD
-
DTW
3 stops39h 22m
Multiple Airlines
Deal found 4/15$1,072
This Trip.com deal was found by Cheapflights users on 4/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:52 am
DTW
-
SYD
3 stops36h 58m
Multiple Airlines
Sun 5/176:00 am
SYD
-
DTW
3 stops39h 22m
Multiple Airlines
Deal found 4/12$1,087
This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:10 pm
DTW
-
SYD
1 stop24h 45m
Qantas Airways
Wed 6/1012:00 pm
SYD
-
DTW
1 stop24h 39m
Qantas Airways
Deal found 4/15$1,152
This oojo deal was found by Cheapflights users on 4/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/254:10 pm
DTW
-
SYD
1 stop24h 45m
Qantas Airways
Tue 6/212:00 pm
SYD
-
DTW
1 stop20h 30m
Qantas Airways
Deal found 4/13$1,153
This lastminute.com deal was found by Cheapflights users on 4/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:16 pm
DTW
-
SYD
1 stop21h 39m
Qantas Airways
Sun 5/312:00 pm
SYD
-
DTW
1 stop20h 26m
Qantas Airways
Deal found 4/14$1,165
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:30 pm
DTW
-
SYD
2 stops28h 20m
Delta
Sun 5/39:15 am
SYD
-
DTW
2 stops25h 10m
Delta
Deal found 4/14$1,175
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:52 am
DTW
-
MEL
3 stops37h 13m
Multiple Airlines
Wed 5/201:25 pm
MEL
-
DTW
3 stops31h 57m
Multiple Airlines
Deal found 4/15$1,182
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:39 pm
DTW
-
SYD
1 stop22h 11m
Delta
Wed 5/209:15 am
SYD
-
DTW
1 stop21h 41m
Delta
Deal found 4/15$1,183
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/193:42 pm
DTW
-
SYD
1 stop25h 13m
American Airlines
Sun 5/39:10 am
SYD
-
DTW
2 stops23h 16m
American Airlines
Deal found 4/14$1,186
This Trip.com deal was found by Cheapflights users on 4/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:20 am
DTW
-
BNE
3 stops38h 15m
Multiple Airlines
Wed 6/311:35 am
BNE
-
DTW
3 stops33h 47m
Multiple Airlines
Deal found 4/12$1,188

Find flight deals from Detroit to Australia

Keep the following information in mind while searching for Detroit to Australia flight deals. Data was last updated April 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,030
(Trip.com)

One-way from

$511
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$1,365
Provider with most accurate pricing for Detroit (DTT)-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Sydney Kingsford Smith flights.
Search Deals
From Detroit (DTT) to Australia
Search Deals
One-way flight from Detroit (DTT) to Australia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Australia 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 April 15, 2026.
Use the filters below to find and compare flights from Detroit to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 6/1

2:09 pm-6:50 am

1 stop26h 41m

Sydney Kingsford Smith

Wed 6/10

9:15 am-7:09 pm

1 stop23h 54m

$1,183
Quickest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 6/7

5:29 pm-6:55 am

1 stop23h 26m

Sydney Kingsford Smith

Wed 6/17

10:20 am-4:27 pm

1 stop20h 07m

$1,190

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 5/1

7:08 pm-6:50 am

1 stop21h 42m

Sydney Kingsford Smith

Sun 5/17

9:15 am-11:19 pm

1 stop28h 04m

$1,233

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 5/7

8:35 am-6:55 am

1 stop32h 20m

Sydney Kingsford Smith

Sun 6/14

10:20 am-4:27 pm

1 stop20h 07m

$1,248

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 5/11

8:35 am-6:55 am

1 stop32h 20m

Sydney Kingsford Smith

Thu 6/11

10:20 am-4:27 pm

1 stop20h 07m

$1,248

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 8/8

2:14 pm-6:50 am

1 stop26h 36m

Sydney Kingsford Smith

Sun 8/16

9:15 am-5:05 pm

1 stop21h 50m

$1,248

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 8/8

5:29 pm-6:55 am

1 stop23h 26m

Sydney Kingsford Smith

Sun 8/16

9:30 am-6:19 pm

2 stops22h 49m

$1,253

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 7/23

12:31 pm-6:50 am

2 stops28h 19m

Sydney Kingsford Smith

Sun 8/9

9:15 am-5:12 am

2 stops33h 57m

$1,253

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 5/7

4:10 pm-6:50 am

1 stop24h 40m

Sydney Kingsford Smith

Thu 5/21

9:15 am-7:16 pm

1 stop24h 01m

$1,283

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 5/29

3:32 pm-6:55 am

2 stops25h 23m

Sydney Kingsford Smith

Fri 6/5

10:20 am-4:27 pm

1 stop20h 07m

$1,298

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Detroit to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

What is the cheapest month to book a flight from Detroit to Australia?

Currently, February is the cheapest month in which you can book a flight from Detroit to Australia (average of $197). Flying from Detroit to Australia in November is currently the most expensive (average of $868). 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.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated April 15, 2026.
See what other customers who have flown with Delta,Qantas Airways, andUnited Airlines from Detroit to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,406 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qantas Airways
7.5
Good
1,019 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,589 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,581 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Detroit to Australia?

    Located just 0.6 mi from the city center, Detroit All airports (DTT) is the airport most travelers will use when flying to Australia from Detroit.

  • How long is the flight from Detroit to Australia?

    Delta, United Airlines, and Qantas Airways can get you from Detroit to Australia in just under 25h 04m. Your travel time can differ by up to 7h 16m. The distance between Detroit and Australia is about 9892 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Detroit to Australia one-way?

    One-way options have recently been found by users for as low as $455 on Qantas Airways. Other airlines that offer cheap prices include United Airlines from $460 and Delta from $461 one-way.

  • What are the most popular routes from Detroit to Australia?

    The most popular route from Detroit to Australia is Detroit Metropolitan Wayne County - Melbourne. You may also consider Detroit Metropolitan Wayne County - Sydney Kingsford Smith or Detroit Metropolitan Wayne County - Brisbane.

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

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

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

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

  • Can I find deals for business class flights from Detroit to Australia?

    Yes. Cheapflights offers flight deals from Detroit to Australia 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 Australia?

    Currently, February is the cheapest month in which you can book a flight from Detroit to Australia (average of $197). Flying from Detroit to Australia in November is currently the most expensive (average of $868). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Detroit to Australia

Discover the top 6 airlines that operate flights from Detroit to Australia. 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 2,558,603 searches. Data last updated April 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$526Average$1,193FlexibilityNo cancel feeOn-time69%
DeltaCheapest$596Average$1,154FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$634Average$1,235FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$723Average$983FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$810Average$2,031FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$882Average$1,313FlexibilityNo cancel feeOn-time71%

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