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$494+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
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 March 20, 2026.

This American Airlines deal was found by Cheapflights users on 3/16. 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.
Mon 5/2511:49 am
DTW
-
SYD
1 stop29h 06m
American Airlines
Tue 6/912:00 pm
SYD
-
DTW
1 stop24h 39m
American Airlines
Deal found 3/16$896
This Trip.com deal was found by Cheapflights users on 3/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:46 pm
DTW
-
SYD
2 stops30h 04m
Multiple Airlines
Mon 5/111:15 pm
SYD
-
DTW
2 stops32h 05m
Multiple Airlines
Deal found 3/19$990
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Mon 7/2711:50 am
DTW
-
SYD
1 stop29h 05m
American Airlines
Mon 8/3112:00 pm
SYD
-
DTW
1 stop24h 20m
American Airlines
Deal found 3/14$1,046
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:29 pm
DTW
-
SYD
1 stop23h 26m
United Airlines
Sun 8/3010:20 am
SYD
-
DTW
1 stop21h 41m
United Airlines
Deal found 3/14$1,049
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:42 pm
DTW
-
SYD
2 stops25h 48m
American Airlines
Wed 4/2912:00 pm
SYD
-
DTW
1 stop20h 26m
American Airlines
Deal found 3/15$1,050
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:00 am
DTW
-
SYD
2 stops30h 00m
United Airlines
Sun 8/3010:20 am
SYD
-
DTW
1 stop21h 41m
United Airlines
Deal found 3/14$1,054
This Delta deal was found by Cheapflights users on 3/15. 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.
Mon 4/1312:23 pm
DTW
-
SYD
1 stop28h 27m
Delta
Mon 4/209:15 am
SYD
-
DTW
1 stop33h 45m
Delta
Deal found 3/15$1,060
This Trip.com deal was found by Cheapflights users on 3/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:46 pm
DTW
-
BNE
2 stops28h 54m
Multiple Airlines
Sun 5/3111:35 am
BNE
-
DTW
2 stops33h 45m
Multiple Airlines
Deal found 3/18$1,070
This United Airlines deal was found by Cheapflights users on 3/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:47 pm
DTW
-
SYD
2 stops24h 13m
United Airlines
Thu 5/710:20 am
SYD
-
DTW
1 stop22h 30m
United Airlines
Deal found 3/16$1,081
This American Airlines deal was found by Cheapflights users on 3/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:32 pm
DTW
-
SYD
2 stops23h 33m
American Airlines
Sun 5/1012:00 pm
SYD
-
DTW
1 stop20h 26m
American Airlines
Deal found 3/19$1,087
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:33 pm
DTW
-
SYD
2 stops25h 27m
United Airlines
Mon 8/1010:20 am
SYD
-
DTW
2 stops25h 59m
United Airlines
Deal found 3/18$1,089
This Trip.com deal was found by Cheapflights users on 3/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:26 am
DTW
-
BNE
3 stops33h 14m
Multiple Airlines
Sat 5/911:55 am
BNE
-
DTW
3 stops38h 05m
Multiple Airlines
Deal found 3/18$1,135

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 March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$896
(American Airlines)

One-way from

$494
(Trip.com)

Popular in

April

Cheapest in

September

Average price

$986
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. 7% potential increase in price ($90 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 March 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 March 20, 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 4/13

12:23 pm-6:50 am

1 stop28h 27m

Sydney Kingsford Smith

Mon 4/20

9:15 am-5:00 am

1 stop33h 45m

$1,060
Quickest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 6/9

5:29 pm-6:55 am

1 stop23h 26m

Sydney Kingsford Smith

Fri 6/19

10:20 am-4:27 pm

1 stop20h 07m

$1,081

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 5/25

2:10 pm-7:00 am

2 stops26h 50m

Sydney Kingsford Smith

Tue 6/9

10:20 am-4:27 pm

1 stop20h 07m

$1,099

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 5/23

8:50 pm-6:50 am

1 stop44h 00m

Sydney Kingsford Smith

Mon 8/10

9:15 am-5:05 pm

1 stop21h 50m

$1,108

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 4/22

4:47 pm-7:00 am

2 stops24h 13m

Sydney Kingsford Smith

Thu 5/7

9:30 am-7:00 pm

2 stops23h 30m

$1,139

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 4/22

12:15 pm-6:50 am

2 stops28h 35m

Sydney Kingsford Smith

Thu 5/7

9:15 am-4:27 pm

2 stops21h 12m

$1,139

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 5/18

4:10 pm-6:50 am

1 stop24h 40m

Sydney Kingsford Smith

Fri 8/14

9:15 am-7:13 pm

1 stop23h 58m

$1,140

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 5/1

4:16 pm-6:50 am

1 stop24h 34m

Sydney Kingsford Smith

Sun 5/10

9:15 am-11:19 pm

1 stop28h 04m

$1,148

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 5/7

8:45 am-6:50 am

1 stop32h 05m

Sydney Kingsford Smith

Thu 5/21

9:15 am-4:56 pm

1 stop21h 41m

$1,149

DetroitCanberra

DTW - CBR

DTWCBR

Detroit Metropolitan Wayne County

Wed 4/29

3:42 pm-12:10 pm

2 stops30h 28m

Canberra

Wed 5/6

6:10 am-10:59 pm

2 stops30h 49m

$1,227

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

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 $867). 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 March 20, 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
8,301 reviews

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
8,301 reviews
Delta
7.9
Good
8,301 reviews

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
1,006 reviews
Delta
7.9
Good
8,301 reviews

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
9,443 reviews
Delta
7.9
Good
8,301 reviews

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
11,478 reviews
Delta
7.9
Good
8,301 reviews

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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 American Airlines can get you from Detroit to Australia in just under 23h 26m. Your travel time can differ by up to 7h 02m. The distance between Detroit and Australia is about 9461 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 $460 on United Airlines. Other airlines that offer cheap prices include Delta from $461 and Qantas Airways from $466 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 - Sydney Kingsford Smith. You may also consider Detroit Metropolitan Wayne County - Melbourne 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 $867). 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 5 airlines flying from Detroit to Australia

Discover the top 5 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 March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$596Average$1,157FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$634Average$1,243FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$723Average$983FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$847Average$1,250FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$854Average$1,192FlexibilityNo cancel feeOn-time69%

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