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$412+ 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
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 12/113:49 pmDTW - BNE
1 stop23h 41mAmerican Airlines
Thu 12/189:40 amBNE - DTW
1 stop23h 55mAmerican Airlines
Deal found 12/10$860
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/1111:05 amDTW - BNE
3 stops53h 25mUnited Airlines
Thu 12/1811:40 amBNE - DTW
2 stops27h 03mUnited Airlines
Deal found 12/10$893
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/251:56 pmDTW - MEL
2 stops27h 34mUnited Airlines
Sat 2/2811:30 amMEL - DTW
2 stops28h 29mUnited Airlines
Deal found 12/9$1,001
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/306:00 amDTW - MEL
2 stops35h 30mUnited Airlines
Sat 1/171:00 pmMEL - DTW
1 stop24h 14mUnited Airlines
Deal found 12/10$1,016
This Delta deal was found by Cheapflights users on 12/10. 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 12/248:30 amDTW - MEL
1 stop31h 30mDelta
Fri 1/1610:10 amMEL - DTW
1 stop26h 30mDelta
Deal found 12/10$1,018
This Air Canada deal was found by Cheapflights users on 12/10. 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 12/266:15 pmDTW - SYD
2 stops44h 40mAir Canada
Fri 1/1611:20 amSYD - DTW
2 stops46h 15mAir Canada
Deal found 12/10$1,230
This Trip.com deal was found by Cheapflights users on 12/10. 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.
Wed 12/317:45 amDTW - SYD
2 stops33h 15mMultiple Airlines
Wed 1/1411:20 amSYD - DTW
2 stops23h 05mMultiple Airlines
Deal found 12/10$1,281
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/299:12 amDTW - MEL
2 stops32h 48mUnited Airlines
Sat 1/171:00 pmMEL - DTW
1 stop24h 14mUnited Airlines
Deal found 12/10$1,336
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:48 amDTW - SYD
2 stops41h 12mQantas Airways
Thu 12/188:10 pmSYD - DTW
2 stops38h 25mQantas Airways
Deal found 12/10$1,369
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:40 pmDTW - BNE
2 stops44h 40mDelta
Wed 1/711:05 amBNE - DTW
2 stops27h 37mDelta
Deal found 12/11$1,378
This Air Canada deal was found by Cheapflights users on 12/10. 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 12/316:15 pmDTW - SYD
2 stops44h 40mAir Canada
Thu 1/154:00 pmSYD - DTW
2 stops41h 35mAir Canada
Deal found 12/10$1,444
This Expedia deal was found by Cheapflights users on 12/10. 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.
Thu 12/119:10 amDTW - SYD
2 stops32h 25mAir Canada
Thu 12/1811:20 amSYD - DTW
2 stops43h 50mAir Canada
Deal found 12/10$1,449

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$806
(Air Canada)

One-way from

$412
(Air Canada)

Popular in

April

Cheapest in

March

Average price

$1,173
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. 5% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Mon 2/16

6:15 pm-8:45 am

2 stops47h 30m

Brisbane

Thu 3/12

9:45 am-5:35 pm

2 stops45h 50m

$808

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Thu 2/19

6:15 pm-8:45 am

2 stops47h 30m

Brisbane

Thu 3/12

9:45 am-5:35 pm

2 stops45h 50m

$808

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Sat 1/24

6:15 pm-8:45 am

2 stops47h 30m

Brisbane

Wed 2/11

10:45 am-5:35 pm

2 stops45h 50m

$808

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Sun 2/15

6:15 pm-8:45 am

2 stops47h 30m

Brisbane

Fri 2/20

6:10 am-5:35 pm

3 stops50h 25m

$825

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Wed 2/18

6:15 pm-2:20 pm

3 stops53h 05m

Brisbane

Thu 3/12

9:45 am-5:35 pm

2 stops45h 50m

$825

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Mon 2/16

6:15 pm-2:20 pm

3 stops53h 05m

Brisbane

Thu 3/12

9:45 am-5:35 pm

2 stops45h 50m

$825

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Thu 2/19

6:15 pm-1:30 pm

3 stops52h 15m

Brisbane

Thu 3/12

9:45 am-5:35 pm

2 stops45h 50m

$839

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Thu 12/25

7:15 am-9:30 am

2 stops34h 15m

Melbourne

Sat 2/28

1:00 pm-8:59 pm

1 stop23h 59m

$1,001

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Tue 1/6

11:05 am-9:30 am

2 stops30h 25m

Melbourne

Sun 1/18

1:00 pm-11:48 pm

1 stop26h 48m

$1,003

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Thu 3/5

3:25 pm-9:30 am

2 stops26h 05m

Melbourne

Sun 3/15

12:00 pm-11:59 pm

1 stop26h 59m

$1,016

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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, January is the cheapest month in which you can book a flight from Detroit to Australia (average of $431). 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.

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 December 12, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 21% on flights from Detroit to Australia by exploring options for tickets at noon.

What is the cheapest day to fly from Detroit to Australia?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Australia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Detroit to Australia flight should consider departing on Friday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 12, 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
7.9
Good
8,005 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
8,005 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
947 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
9,095 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
7.2
Good
11,049 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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.
Air Canada
7.1
Good
10,515 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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, United Airlines, and Qantas Airways can get you from Detroit to Australia in just under 25h 32m. Your travel time can differ by up to 21h 58m. 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 $411 on American Airlines. Other airlines that offer cheap prices include Qantas Airways from $418 and United Airlines from $435 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 - Melbourne. You may also consider Detroit Metropolitan Wayne County - Sydney Kingsford Smith 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, January is the cheapest month in which you can book a flight from Detroit to Australia (average of $431). 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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$590Average$1,473FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$674Average$1,126FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$702Average$961FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$723Average$983FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$842Average$1,195FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$864Average$1,385FlexibilityNo cancel feeOn-time78%

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