HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$398+ 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
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Australia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$781
(Air Canada)

One-way from

$398
(Air Canada)

Popular in

April

Cheapest in

March

Average price

$989
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. 2% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 20, 2025.

This FlightHub deal was found by Cheapflights users on 11/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:07 amDTW - BNE
2 stops32h 38mAir Canada
Wed 12/310:45 amBNE - DTW
2 stops45h 50mAir Canada
Deal found 11/18$863
This Delta deal was found by Cheapflights users on 11/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:05 pmDTW - BNE
1 stop21h 15mDelta
Wed 12/311:05 amBNE - DTW
1 stop27h 16mDelta
Deal found 11/18$867
This Justfly.com deal was found by Cheapflights users on 11/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:48 amDTW - SYD
1 stop27h 07mQantas Airways
Tue 12/239:55 pmSYD - DTW
2 stops32h 48mQantas Airways
Deal found 11/18$946
This American Airlines deal was found by Cheapflights users on 11/20. 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 12/57:16 amDTW - MEL
1 stop29h 44mAmerican Airlines
Thu 12/1812:00 pmMEL - DTW
2 stops24h 59mAmerican Airlines
Deal found 11/20$974
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:00 amDTW - MEL
2 stops30h 00mDelta
Sun 1/1810:10 amMEL - DTW
2 stops24h 36mDelta
Deal found 11/19$1,021
This Travelocity deal was found by Cheapflights users on 11/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:30 pmDTW - SYD
2 stops25h 05mAir Canada
Wed 12/2411:20 amSYD - DTW
2 stops46h 15mAir Canada
Deal found 11/18$1,026
This Air Canada deal was found by Cheapflights users on 11/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:15 pmDTW - SYD
2 stops47h 20mAir Canada
Tue 12/2311:20 amSYD - DTW
2 stops46h 15mAir Canada
Deal found 11/18$1,028
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 11/197:35 pmDTW - BNE
2 stops43h 55mAmerican Airlines
Wed 12/36:40 amBNE - DTW
2 stops26h 59mAmerican Airlines
Deal found 11/19$1,036
This Orbitz deal was found by Cheapflights users on 11/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/224:30 pmDTW - SYD
2 stops49h 05mAir Canada
Wed 12/2411:20 amSYD - DTW
2 stops50h 55mAir Canada
Deal found 11/18$1,045
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:15 pmDTW - SYD
2 stops47h 20mAir Canada
Tue 12/2311:20 amSYD - DTW
2 stops46h 15mAir Canada
Deal found 11/19$1,053
This Air Canada deal was found by Cheapflights users on 11/20. 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 12/296:15 pmDTW - SYD
2 stops44h 40mAir Canada
Tue 1/2711:20 amSYD - DTW
2 stops46h 15mAir Canada
Deal found 11/20$1,058
This oojo deal was found by Cheapflights users on 11/20. 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.
Wed 12/103:49 pmDTW - SYD
1 stop23h 06mQantas Airways
Sun 1/117:05 amSYD - DTW
2 stops29h 39mQantas Airways
Deal found 11/20$1,064

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 November 20, 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

Wed 2/18

11:00 am-8:45 am

2 stops30h 45m

Brisbane

Thu 3/12

9:45 am-5:35 pm

2 stops45h 50m

$802

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

$804

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Wed 2/18

1:05 pm-5:00 am

2 stops24h 55m

Brisbane

Thu 3/12

8:40 am-5:54 pm

1 stop23h 14m

$856

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Thu 2/19

7:30 am-6:30 am

1 stop32h 00m

Brisbane

Thu 3/12

8:40 am-5:54 pm

1 stop23h 14m

$858

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Mon 2/16

11:29 am-6:30 am

1 stop28h 01m

Brisbane

Thu 3/12

8:40 am-8:05 pm

1 stop25h 25m

$858

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Tue 3/17

9:00 am-7:45 am

2 stops32h 45m

Brisbane

Sat 3/21

9:45 am-5:35 pm

2 stops45h 50m

$863

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Tue 3/17

2:10 pm-6:30 am

2 stops26h 20m

Brisbane

Sat 3/21

10:40 am-11:59 pm

1 stop27h 19m

$871

DetroitBrisbane

DTW - BNE

DTWBNE

Detroit Metropolitan Wayne County

Sat 2/28

10:28 am-7:30 am

2 stops30h 02m

Brisbane

Sat 3/28

10:40 am-9:51 am

2 stops37h 11m

$871

DetroitMelbourne

DTW - MEL

DTWMEL

Detroit Metropolitan Wayne County

Sat 3/14

6:15 pm-12:25 pm

3 stops51h 10m

Melbourne

Mon 4/6

8:50 pm-5:33 pm

3 stops58h 43m

$936

DetroitMelbourne

DTW - AVV

DTWAVV

Detroit Metropolitan Wayne County

Sat 2/7

6:15 pm-8:20 pm

3 stops58h 05m

Melbourne Avalon

Mon 2/16

6:00 am-5:35 pm

3 stops51h 35m

$949

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
1
2
3
...
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, October is the cheapest month in which you can book a flight from Detroit to Australia (average of $476). 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 November 20, 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 November 20, 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
8,002 reviews

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
942 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
9,028 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
11,047 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

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, American 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 $398 on Air Canada. Other airlines that offer cheap prices include United Airlines from $460 and Qantas Airways from $591 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, October is the cheapest month in which you can book a flight from Detroit to Australia (average of $476). 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

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.

Alternative routes for Detroit to Australia

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Sydney flights
O'Hare Intl to Auckland flights
O'Hare Intl to Melbourne flights
Detroit to Sydney flights
Detroit to Melbourne flights
Midway to Sydney flights
Detroit to Auckland flights
O'Hare Intl to Brisbane flights
Grand Rapids to Auckland flights
Detroit to Avalon flights
Detroit to Brisbane flights
O'Hare Intl to Tamuning flights
O'Hare Intl to Papeete flights
O'Hare Intl to Christchurch flights
O'Hare Intl to Nadi flights
Midway to Melbourne flights
O'Hare Intl to Vaitape flights
O'Hare Intl to Avalon flights
Grand Rapids to Sydney flights
O'Hare Intl to Queenstown flights
O'Hare Intl to Perth flights
Detroit to Papeete flights
Grand Rapids to Brisbane flights
O'Hare Intl to Wellington flights
O'Hare Intl to I Fadang flights
Flint to Melbourne flights
O'Hare Intl to Adelaide flights
O'Hare Intl to Canberra flights
Traverse City to Sydney flights
O'Hare Intl to Suva flights
Detroit to Queenstown flights
Midway to Papeete flights
Flint to Sydney flights
Detroit to Nadi flights
O'Hare Intl to Cairns flights
Lansing to Auckland flights
Detroit to Wellington flights
Detroit to Adelaide flights
Detroit to Perth flights
O'Hare Intl to Koror flights
Midway to Tamuning flights
Kalamazoo to Auckland flights
South Bend to Auckland flights
Flint to Auckland flights
South Bend to Sydney flights
O'Hare Intl to Apia flights
South Bend to Melbourne flights
Detroit to Tamuning flights
Grand Rapids to Wellington flights

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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$678Average$1,153FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$700Average$954FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$723Average$983FlexibilityNo cancel feeOn-time67%
DeltaCheapest$780Average$1,495FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$842Average$1,195FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$864Average$1,385FlexibilityNo cancel feeOn-time78%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.