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$432+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Detroit to Australia

Keep the following information in mind while searching for Detroit to Australia flight deals. Data was last updated August 14, 2025.

Round-trip from

$847
(CrystalTravel)

One-way from

$453
(American Airlines)

Popular in

September

Cheapest in

February

Average price

$957
From Detroit (DTT) to Australia
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One-way flight from Detroit (DTT) to Australia
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Highest demand for flights based on searches. 2% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This CrystalTravel deal was found by Cheapflights users on 8/12. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/204:09 pmDTW - SYD
1 stop23h 46mQantas Airways
Sun 11/22:20 pmSYD - DTW
1 stop20h 23mQantas Airways
Deal found 8/12$847
This Air Canada deal was found by Cheapflights users on 8/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:35 pmDTW - SYD
2 stops44h 45mAir Canada
Sun 11/211:20 amSYD - DTW
2 stops46h 16mAir Canada
Deal found 8/12$849
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:18 pmDTW - SYD
1 stop22h 37mQantas Airways
Wed 9/1012:10 pmSYD - DTW
1 stop24h 23mQantas Airways
Deal found 8/14$851
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:07 pmDTW - SYD
1 stop22h 48mAmerican Airlines
Fri 10/312:10 pmSYD - DTW
1 stop36h 35mAmerican Airlines
Deal found 8/12$869
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:07 pmDTW - SYD
1 stop22h 48mQantas Airways
Mon 9/2212:10 pmSYD - DTW
1 stop24h 23mQantas Airways
Deal found 8/12$872
This Qantas Airways deal was found by Cheapflights users on 8/13. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:44 pmDTW - SYD
1 stop23h 11mQantas Airways
Mon 9/1512:10 pmSYD - DTW
1 stop24h 23mQantas Airways
Deal found 8/13$877
This Qantas Airways deal was found by Cheapflights users on 8/13. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:18 pmDTW - SYD
1 stop22h 37mQantas Airways
Thu 8/2812:10 pmSYD - DTW
1 stop20h 20mQantas Airways
Deal found 8/13$878
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:28 pmDTW - SYD
2 stops26h 37mAmerican Airlines
Wed 9/179:10 amSYD - DTW
2 stops22h 03mAmerican Airlines
Deal found 8/12$879
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:15 pmDTW - SYD
2 stops23h 50mAmerican Airlines
Sat 8/239:10 amSYD - DTW
2 stops27h 31mAmerican Airlines
Deal found 8/11$880
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/144:00 pmDTW - SYD
2 stops25h 05mAmerican Airlines
Sun 8/2412:10 pmSYD - DTW
1 stop24h 03mAmerican Airlines
Deal found 8/12$881
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/254:00 pmDTW - SYD
2 stops25h 30mAmerican Airlines
Wed 9/312:10 pmSYD - DTW
2 stops23h 53mAmerican Airlines
Deal found 8/12$882
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:15 pmDTW - BNE
2 stops48h 30mAir Canada
Wed 11/510:45 amBNE - DTW
2 stops45h 51mAir Canada
Deal found 8/14$902

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 August 14, 2025.
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

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 11/24

11:48 am-6:55 am

1 stop27h 07m

Sydney Kingsford Smith

Sun 12/7

2:20 pm-8:08 pm

1 stop21h 48m

$847

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 12/1

11:48 am-6:55 am

1 stop27h 07m

Sydney Kingsford Smith

Sun 12/14

2:20 pm-8:08 pm

1 stop21h 48m

$847

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 11/10

11:48 am-6:55 am

1 stop27h 07m

Sydney Kingsford Smith

Sun 11/23

2:20 pm-9:01 pm

1 stop22h 41m

$847

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 11/3

11:48 am-6:55 am

1 stop27h 07m

Sydney Kingsford Smith

Sun 11/16

2:20 pm-6:43 pm

1 stop20h 23m

$847

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 10/20

4:09 pm-6:55 am

1 stop23h 46m

Sydney Kingsford Smith

Sun 11/2

2:20 pm-7:43 pm

1 stop20h 23m

$847

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 9/9

5:37 pm-6:55 am

1 stop23h 18m

Sydney Kingsford Smith

Tue 9/16

12:10 pm-10:40 pm

1 stop24h 30m

$847

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 1/26

4:01 pm-6:55 am

1 stop22h 54m

Sydney Kingsford Smith

Sun 2/8

2:20 pm-8:10 pm

1 stop21h 50m

$847

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 10/27

4:09 pm-6:55 am

1 stop23h 46m

Sydney Kingsford Smith

Sun 11/9

2:20 pm-9:01 pm

1 stop22h 41m

$847

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 1/30

11:52 am-6:55 am

1 stop27h 03m

Sydney Kingsford Smith

Sun 2/8

2:20 pm-8:10 pm

1 stop21h 50m

$847

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 11/15

3:50 pm-6:55 am

1 stop23h 05m

Sydney Kingsford Smith

Thu 1/15

2:20 pm-8:10 pm

1 stop21h 50m

$847

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
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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 $1,031). Flying from Detroit to Australia in December is currently the most expensive (average of $1,619). 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.

What is the cheapest time of day to fly from DTT to AU?

Find hourly flight availability from Detroit to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to Australia as you normally would.

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 August 14, 2025.
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.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
895 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,949 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $453 on American Airlines. Other airlines that offer cheap prices include United Airlines from $461 and Qantas Airways from $556 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 - Melbourne Avalon.

  • 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 $1,031). Flying from Detroit to Australia in December is currently the most expensive (average of $1,619). 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

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Alternative routes for Detroit to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$677Average$1,181FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$702Average$940FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$723Average$1,240FlexibilityNo cancel feeOn-time67%
DeltaCheapest$780Average$1,837FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$842Average$1,292FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$864Average$1,385FlexibilityNo cancel feeOn-time78%

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