Australia

$669+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
Jul 1 — Jul 81
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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 June 1, 2026.

This Air Canada deal was found by Cheapflights users on 5/31. 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 8/16:50 pm
DTW
-
SYD
2 stops46h 30m
Air Canada
Sun 8/99:20 am
SYD
-
DTW
2 stops50h 20m
Air Canada
Deal found 5/31$1,104
This Expedia deal was found by Cheapflights users on 5/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:15 am
DTW
-
SYD
2 stops31h 05m
Air Canada
Mon 6/159:20 am
SYD
-
DTW
2 stops50h 05m
Air Canada
Deal found 5/31$1,105
This Air Canada deal was found by Cheapflights users on 5/29. 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 6/310:15 am
DTW
-
SYD
2 stops31h 05m
Air Canada
Wed 6/109:20 am
SYD
-
DTW
2 stops38h 48m
Air Canada
Deal found 5/29$1,106
This FlightHub deal was found by Cheapflights users on 5/28. 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.
Mon 6/110:15 am
DTW
-
SYD
2 stops31h 05m
Air Canada
Thu 6/49:20 am
SYD
-
DTW
2 stops38h 32m
Air Canada
Deal found 5/28$1,132
This Air Canada deal was found by Cheapflights users on 5/28. 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 5/3010:15 am
DTW
-
SYD
2 stops55h 05m
Air Canada
Fri 6/59:20 am
SYD
-
DTW
2 stops38h 48m
Air Canada
Deal found 5/28$1,143
This American Airlines deal was found by Cheapflights users on 5/30. 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 8/175:00 pm
DTW
-
MEL
1 stop22h 00m
American Airlines
Mon 8/241:35 pm
MEL
-
DTW
1 stop35h 17m
American Airlines
Deal found 5/30$1,160
This American Airlines deal was found by Cheapflights users on 5/30. 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 6/154:10 pm
DTW
-
MEL
1 stop22h 50m
American Airlines
Mon 6/291:35 pm
MEL
-
DTW
1 stop24h 06m
American Airlines
Deal found 5/30$1,166
This United Airlines deal was found by Cheapflights users on 5/28. 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 8/127:18 pm
DTW
-
MEL
1 stop22h 57m
United Airlines
Tue 9/110:55 am
MEL
-
DTW
2 stops26h 50m
United Airlines
Deal found 5/28$1,167
This American Airlines deal was found by Cheapflights users on 5/30. 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 7/91:36 pm
DTW
-
MEL
2 stops27h 09m
American Airlines
Sat 8/19:45 am
MEL
-
DTW
2 stops26h 49m
American Airlines
Deal found 5/30$1,171
This KAYAK deal was found by Cheapflights users on 5/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:18 pm
DTW
-
MEL
1 stop22h 57m
Multiple Airlines
Mon 10/2612:00 pm
MEL
-
DTW
1 stop23h 40m
Multiple Airlines
Deal found 5/29$1,176
This United Airlines deal was found by Cheapflights users on 5/29. 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 10/207:18 pm
DTW
-
MEL
1 stop22h 57m
United Airlines
Tue 11/101:00 pm
MEL
-
DTW
1 stop23h 40m
United Airlines
Deal found 5/29$1,177
This KAYAK deal was found by Cheapflights users on 5/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:30 am
DTW
-
MEL
2 stops30h 30m
Multiple Airlines
Tue 11/241:00 pm
MEL
-
DTW
2 stops26h 52m
Multiple Airlines
Deal found 5/30$1,181

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 June 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,104
(Air Canada)

One-way from

$669
(Expedia)

Popular in

July

Cheapest in

March

Average price

$991
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. 2% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 1, 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

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Mon 8/10

11:00 am-7:30 am

2 stops30h 30m

Melbourne

Fri 9/4

10:55 am-6:06 pm

1 stop21h 11m

$1,167

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Wed 8/12

4:26 pm-7:30 am

2 stops25h 04m

Melbourne

Sun 9/6

10:55 am-8:25 pm

2 stops23h 30m

$1,167

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Wed 8/12

7:18 pm-8:15 am

1 stop22h 57m

Melbourne

Thu 9/3

10:55 am-11:59 pm

2 stops27h 04m

$1,167

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Thu 8/20

3:29 pm-8:15 am

2 stops26h 46m

Melbourne

Fri 8/28

10:55 am-6:06 pm

1 stop21h 11m

$1,177

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Sun 11/1

3:50 pm-9:50 am

1 stop26h 00m

Melbourne

Wed 11/18

12:00 pm-7:14 pm

1 stop23h 14m

$1,185

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Tue 11/10

12:40 pm-9:50 am

1 stop29h 10m

Melbourne

Tue 11/24

12:00 pm-11:06 pm

1 stop27h 06m

$1,185

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Mon 7/20

7:01 am-7:50 am

2 stops34h 49m

Melbourne

Sun 8/9

10:00 am-7:04 pm

1 stop23h 04m

$1,190

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Thu 11/19

12:40 pm-9:50 am

1 stop29h 10m

Melbourne

Mon 11/30

12:00 pm-6:00 am

1 stop34h 00m

$1,195

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Tue 7/14

11:00 am-8:15 am

2 stops55h 15m

Melbourne

Tue 8/11

10:55 am-10:30 pm

2 stops25h 35m

$1,197

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Sun 7/19

7:45 pm-7:30 am

2 stops45h 45m

Melbourne

Thu 8/13

10:55 am-6:06 pm

1 stop21h 11m

$1,197

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/31

Showing 1-10 of 57 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Detroit to Australia (average of $180). Flying from Detroit to Australia in November is currently the most expensive (average of $766). 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.

How far ahead should I book a flight from Detroit to Australia?

The best time to book flights from Detroit to Australia is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 June 1, 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.

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Air Canada can get you from Detroit to Australia in just under 26h. Your travel time can differ by up to 5h. 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?

  • 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 $180). Flying from Detroit to Australia in November is currently the most expensive (average of $766). 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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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 June 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$444Average$1,234FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$503Average$1,179FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$634Average$1,195FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$723Average$987FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$882Average$1,275FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,185Average$1,537FlexibilityNo cancel feeOn-time78%

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