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$450+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$837
(United Airlines)

One-way from

$450
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$1,144
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. 11% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:05 pmDTW - SYD
1 stop24h 50mQantas Airways
Wed 9/2412:10 pmSYD - DTW
1 stop24h 30mQantas Airways
Deal found 9/15$795
This American Airlines deal was found by Cheapflights users on 9/17. 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 9/174:05 pmDTW - SYD
1 stop24h 50mAmerican Airlines
Wed 9/2412:10 pmSYD - DTW
1 stop24h 30mAmerican Airlines
Deal found 9/17$818
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/1712:24 pmDTW - SYD
2 stops28h 41mAmerican Airlines
Tue 9/239:10 amSYD - DTW
2 stops27h 30mAmerican Airlines
Deal found 9/15$820
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/2412:24 pmDTW - SYD
2 stops28h 41mAmerican Airlines
Tue 10/710:10 amSYD - DTW
2 stops26h 40mAmerican Airlines
Deal found 9/15$822
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:05 pmDTW - SYD
1 stop24h 50mQantas Airways
Fri 10/312:10 pmSYD - DTW
1 stop24h 23mQantas Airways
Deal found 9/15$824
This Delta deal was found by Cheapflights users on 9/15. 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 9/244:23 pmDTW - SYD
2 stops24h 12mDelta
Tue 10/710:25 amSYD - DTW
1 stop21h 44mDelta
Deal found 9/15$825
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:32 pmDTW - SYD
1 stop23h 23mUnited Airlines
Sun 10/511:20 amSYD - DTW
1 stop20h 20mUnited Airlines
Deal found 9/15$826
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 9/166:30 pmDTW - SYD
1 stop22h 05mDelta
Tue 9/239:25 amSYD - DTW
1 stop21h 03mDelta
Deal found 9/15$833
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:45 pmDTW - SYD
1 stop23h 10mUnited Airlines
Mon 12/2911:20 amSYD - DTW
2 stops26h 55mUnited Airlines
Deal found 9/15$837
This CrystalTravel deal was found by Cheapflights users on 9/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:07 pmDTW - SYD
1 stop22h 48mQantas Airways
Mon 9/2212:10 pmSYD - DTW
1 stop24h 23mQantas Airways
Deal found 9/16$841
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:47 pmDTW - BNE
1 stop23h 43mQantas Airways
Wed 1/79:40 amBNE - DTW
1 stop19h 08mQantas Airways
Deal found 9/15$927
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Wed 11/196:15 pmDTW - BNE
2 stops47h 30mAir Canada
Wed 12/310:45 amBNE - DTW
2 stops45h 50mAir Canada
Deal found 9/14$955

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 September 17, 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

Tue 9/30

11:00 am-7:00 am

2 stops30h 00m

Sydney Kingsford Smith

Mon 12/29

12:10 pm-10:15 pm

2 stops26h 05m

$837

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 9/27

4:00 pm-6:35 am

1 stop24h 35m

Sydney Kingsford Smith

Sun 10/5

10:25 am-10:34 pm

1 stop27h 09m

$864

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 3/5

5:50 pm-8:30 am

1 stop22h 40m

Sydney Kingsford Smith

Sat 3/21

1:15 pm-10:14 pm

1 stop23h 59m

$895

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 10/27

5:35 pm-9:15 am

1 stop24h 40m

Sydney Kingsford Smith

Sun 11/9

12:10 pm-4:39 pm

1 stop20h 29m

$895

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 3/5

12:40 pm-8:30 am

1 stop27h 50m

Sydney Kingsford Smith

Tue 3/17

9:40 am-10:14 pm

1 stop27h 34m

$895

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 2/9

8:15 am-7:00 am

1 stop30h 45m

Sydney Kingsford Smith

Sat 2/28

11:50 am-11:58 pm

1 stop28h 08m

$895

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 3/4

8:32 am-8:30 am

1 stop31h 58m

Sydney Kingsford Smith

Thu 3/19

9:40 am-10:14 pm

1 stop27h 34m

$895

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 11/24

4:47 pm-7:00 am

1 stop22h 13m

Sydney Kingsford Smith

Sun 12/7

12:10 pm-7:04 pm

1 stop22h 54m

$895

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 2/2

8:32 am-8:30 am

1 stop31h 58m

Sydney Kingsford Smith

Sun 2/15

10:40 am-7:15 pm

1 stop24h 35m

$895

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 11/1

5:35 pm-9:15 am

1 stop24h 40m

Sydney Kingsford Smith

Sat 11/8

11:50 am-3:59 pm

1 stop20h 09m

$895

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, March is the cheapest month in which you can book a flight from Detroit to Australia (average of $1,032). Flying from Detroit to Australia in December is currently the most expensive (average of $1,627). 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 September 17, 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 September 17, 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
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
907 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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.

  • How long is the flight from Detroit to Australia?

    United Airlines, Delta, and Qantas Airways can get you from Detroit to Australia in just under 24h 35m. Your travel time can differ by up to 5h 25m. 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 $454 on American Airlines. Other airlines that offer cheap prices include United Airlines from $462 and Qantas Airways from $482 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, March is the cheapest month in which you can book a flight from Detroit to Australia (average of $1,032). Flying from Detroit to Australia in December is currently the most expensive (average of $1,627). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$677Average$1,185FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$702Average$956FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$723Average$1,240FlexibilityNo cancel feeOn-time67%
DeltaCheapest$780Average$1,527FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$842Average$1,209FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$864Average$1,385FlexibilityNo cancel feeOn-time78%

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