Australia

$403+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
Feb 20 — Feb 271
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Australia 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 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 January 21, 2026.

This Air Canada deal was found by Cheapflights users on 1/20. 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.
Wed 2/186:15 pm
DTW
-
BNE
2 stops47h 30m
Air Canada
Thu 3/129:45 am
BNE
-
DTW
2 stops45h 50m
Air Canada
Deal found 1/20$802
This Air Canada deal was found by Cheapflights users on 1/20. 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 3/66:15 pm
DTW
-
BNE
3 stops54h 15m
Air Canada
Fri 3/139:45 am
BNE
-
DTW
2 stops45h 50m
Air Canada
Deal found 1/20$840
This Priceline deal was found by Cheapflights users on 1/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:15 pm
DTW
-
BNE
2 stops47h 30m
Multiple Airlines
Thu 3/128:40 am
BNE
-
DTW
1 stop20h 29m
Multiple Airlines
Deal found 1/21$867
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Sat 2/214:43 pm
DTW
-
BNE
2 stops25h 02m
Air Canada
Fri 3/139:45 am
BNE
-
DTW
2 stops45h 50m
Air Canada
Deal found 1/20$871
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Wed 2/256:15 pm
DTW
-
BNE
2 stops47h 30m
Air Canada
Fri 3/139:45 am
BNE
-
DTW
2 stops45h 50m
Air Canada
Deal found 1/20$874
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Sat 3/76:15 pm
DTW
-
BNE
3 stops50h 15m
Air Canada
Sat 3/149:45 am
BNE
-
DTW
2 stops45h 50m
Air Canada
Deal found 1/21$876
This Air Canada deal was found by Cheapflights users on 1/20. 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 2/176:15 pm
DTW
-
BNE
2 stops47h 30m
Air Canada
Tue 3/310:45 am
BNE
-
DTW
2 stops45h 50m
Air Canada
Deal found 1/20$881
This Air Canada deal was found by Cheapflights users on 1/20. 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 2/2411:00 am
DTW
-
BNE
2 stops30h 45m
Multiple Airlines
Thu 3/127:50 pm
BNE
-
DTW
3 stops59h 45m
Multiple Airlines
Deal found 1/20$888
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Sat 2/216:15 pm
DTW
-
BNE
3 stops52h 15m
Air Canada
Mon 3/910:45 am
BNE
-
DTW
2 stops44h 50m
Air Canada
Deal found 1/20$897
This Justfly.com deal was found by Cheapflights users on 1/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3111:20 am
DTW
-
MEL
1 stop25h 40m
Qantas Airways
Sat 2/144:05 pm
MEL
-
DTW
1 stop23h 54m
Qantas Airways
Deal found 1/21$1,033
This Qantas Airways deal was found by Cheapflights users on 1/21. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:40 am
DTW
-
MEL
1 stop25h 20m
Qantas Airways
Sat 3/144:05 pm
MEL
-
DTW
1 stop20h 17m
Qantas Airways
Deal found 1/21$1,035
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 3/710:30 am
DTW
-
MEL
2 stops26h 30m
American Airlines
Sat 3/1412:00 pm
MEL
-
DTW
2 stops26h 58m
American Airlines
Deal found 1/20$1,040

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$802
(Air Canada)

One-way from

$403
(Air Canada)

Popular in

April

Cheapest in

September

Average price

$1,059
Provider with most accurate pricing for Detroit (DTT)-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Detroit (DTT)-Sydney Kingsford Smith flights.
From Detroit (DTT) to Australia
One-way flight from Detroit (DTT) to Australia
Highest demand for flights based on searches. 8% potential increase in price ($94 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 21, 2026.
Use the filters below to find and compare flights from Detroit to Australia that are best for you.

Fly from

Detroit

Fly to

Australia

Route

Depart

Return

Price

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Wed 2/18

6:15 pm-8:45 am

2 stops47h 30m

Brisbane

Thu 3/12

7:50 pm-5:35 pm

3 stops59h 45m

$892

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Wed 2/25

6:15 pm-8:45 am

2 stops47h 30m

Brisbane

Sat 3/14

9:45 am-5:35 pm

2 stops45h 50m

$919

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Thu 2/26

6:15 pm-8:45 am

2 stops47h 30m

Brisbane

Thu 3/5

10:45 am-5:35 pm

2 stops45h 50m

$920

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Fri 2/27

6:15 pm-8:45 am

2 stops47h 30m

Brisbane

Thu 3/5

10:45 am-5:35 pm

2 stops45h 50m

$979

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Fri 2/27

6:15 pm-8:45 am

2 stops47h 30m

Brisbane

Thu 3/5

6:10 am-5:35 pm

3 stops50h 25m

$996

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Fri 2/20

6:15 pm-1:30 pm

3 stops52h 15m

Brisbane

Thu 6/25

10:00 am-10:06 am

2 stops38h 06m

$1,009

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Mon 2/23

4:41 pm-8:20 am

1 stop24h 39m

Brisbane

Sun 3/15

9:40 am-10:54 pm

1 stop27h 14m

$1,023

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Fri 2/27

6:25 pm-8:20 am

1 stop22h 55m

Brisbane

Wed 3/11

10:05 am-7:42 pm

1 stop23h 37m

$1,023

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Wed 2/25

12:30 pm-8:20 am

1 stop28h 50m

Brisbane

Sun 3/15

9:40 am-10:54 pm

1 stop27h 14m

$1,023

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Fri 2/27

12:30 pm-8:20 am

1 stop28h 50m

Brisbane

Fri 3/6

10:40 am-7:15 pm

1 stop23h 35m

$1,023

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 60 results
1
2
3
...
6

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, January is the cheapest month in which you can book a flight from Detroit to Australia (average of $435). Flying from Detroit to Australia in November is currently the most expensive (average of $842). 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 January 21, 2026.
See what other customers who have flown with Delta, Qantas Airways, and United 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.

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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.

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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.

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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.

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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.

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

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?

    Air Canada, Qantas Airways, and American Airlines can get you from Detroit to Australia in just under 25h 40m. Your travel time can differ by up to 21h 50m. 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 $431 on American Airlines. Other airlines that offer cheap prices include Qantas Airways from $455 and United Airlines from $460 one-way.

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

  • 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, January is the cheapest month in which you can book a flight from Detroit to Australia (average of $435). Flying from Detroit to Australia in November is currently the most expensive (average of $842). 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.

Alternative routes for Detroit to Australia

See prices for flight routes from nearby airports that may be better suited for you.

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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$590Average$1,188FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$673Average$1,082FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$702Average$972FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$723Average$983FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$810Average$1,275FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$842Average$1,192FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.