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$478+ Cheap flights from Detroit (DTT) to Sydney (SYD)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
fev 27 — mar 61
sex 2/27
sex 3/6
1 adult, Economy
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Cheap flight deals from Detroit to Sydney

Cheapest flights from Detroit to Sydney
Explore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janeiro 28, 2026.

This Mytrip deal was found by Cheapflights users on 1/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/256:14 pm
DTW
-
SYD
2 stops35h 51m
Multiple Airlines
qua 3/42:00 pm
SYD
-
DTW
2 stops30h 54m
Multiple Airlines
Deal found 1/26$1,016
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/411:28 am
DTW
-
SYD
1 stop27h 57m
Multiple Airlines
qua 2/182:00 pm
SYD
-
DTW
2 stops30h 54m
Multiple Airlines
Deal found 1/26$1,045
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/176:14 pm
DTW
-
SYD
1 stop45h 11m
Multiple Airlines
ter 7/211:15 pm
SYD
-
DTW
2 stops29h 57m
Multiple Airlines
Deal found 1/26$1,054
This oojo deal was found by Cheapflights users on 1/26. 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.
seg 11/23:50 pm
DTW
-
SYD
1 stop23h 05m
Qantas Airways
qua 11/116:00 am
SYD
-
DTW
2 stops25h 00m
Qantas Airways
Deal found 1/26$1,057
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 3/1610:35 am
DTW
-
SYD
1 stop29h 50m
Multiple Airlines
qua 3/252:00 pm
SYD
-
DTW
2 stops30h 05m
Multiple Airlines
Deal found 1/27$1,059
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 4/1310:35 am
DTW
-
SYD
1 stop30h 55m
Multiple Airlines
sex 4/171:15 pm
SYD
-
DTW
2 stops29h 57m
Multiple Airlines
Deal found 1/27$1,065
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 4/236:14 pm
DTW
-
SYD
1 stop23h 16m
Multiple Airlines
ter 5/191:15 pm
SYD
-
DTW
2 stops29h 57m
Multiple Airlines
Deal found 1/27$1,069
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 4/276:14 pm
DTW
-
SYD
1 stop23h 16m
Multiple Airlines
qua 5/131:10 pm
SYD
-
DTW
2 stops30h 02m
Multiple Airlines
Deal found 1/27$1,070
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 3/106:14 pm
DTW
-
SYD
2 stops27h 21m
Multiple Airlines
ter 3/172:00 pm
SYD
-
DTW
3 stops29h 35m
Multiple Airlines
Deal found 1/28$1,071

Find flight deals from Detroit to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated janeiro 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,016
(Mytrip)

One-way from

$478
(Trip.com)

Popular in

April

Cheapest in

September

Average price

$1,059
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 Sydney Kingsford Smith
Search Deals
One-way flight from Detroit (DTT) to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Sydney 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 janeiro 28, 2026.
Use the filters below to find and compare flights from Detroit to Sydney that are best for you.

Fly from

Detroit

Fly to

Sydney

Route

Depart

Return

Price

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

dom 2/15

6:14 pm-7:25 am

1 stop45h 11m

Sydney Kingsford Smith

sex 7/24

1:15 pm-4:44 pm

2 stops41h 29m

$1,125

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

sáb 3/14

6:32 pm-12:35 pm

2 stops27h 03m

Sydney Kingsford Smith

sáb 3/21

7:00 am-5:05 am

3 stops37h 05m

$1,186

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

qui 2/26

6:14 pm-7:25 am

1 stop45h 11m

Sydney Kingsford Smith

sáb 3/7

2:00 pm-5:34 am

2 stops31h 34m

$1,230

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

sex 3/20

4:01 pm-8:35 am

2 stops25h 34m

Sydney Kingsford Smith

sáb 3/28

10:05 am-9:22 pm

2 stops26h 17m

$1,247

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

sex 3/13

4:01 pm-9:30 am

2 stops26h 29m

Sydney Kingsford Smith

sáb 3/28

10:05 am-9:22 pm

2 stops26h 17m

$1,247

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

sex 3/20

4:01 pm-9:30 am

2 stops26h 29m

Sydney Kingsford Smith

ter 4/21

12:00 pm-6:26 pm

1 stop20h 26m

$1,299

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

ter 3/24

4:01 pm-6:55 am

1 stop23h 54m

Sydney Kingsford Smith

seg 4/20

10:05 am-9:43 pm

2 stops25h 38m

$1,308

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

seg 3/16

4:01 pm-8:00 am

2 stops24h 59m

Sydney Kingsford Smith

seg 3/23

12:30 pm-9:19 pm

2 stops23h 49m

$1,326

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

seg 4/13

3:40 pm-8:40 am

2 stops27h 00m

Sydney Kingsford Smith

dom 4/19

8:40 pm-9:43 pm

2 stops39h 03m

$1,334

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

seg 4/13

3:40 pm-9:25 am

2 stops27h 45m

Sydney Kingsford Smith

qui 4/23

10:00 pm-9:43 pm

2 stops37h 43m

$1,334

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 16 results
1
2

Compare providers for flights from Detroit to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Sydney in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Detroit to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Sydney. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from Detroit to Sydney, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Detroit to Sydney?

Currently, July is the cheapest month in which you can book a flight from Detroit to Sydney (average of $506). Flying from Detroit to Sydney in December is currently the most expensive (average of $858). 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 much does it cost to fly round-trip from Detroit to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated janeiro 28, 2026.
Peruse reviews from past customers who have flown with Delta, Qantas Airways, and United Airlines from Detroit to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,122 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

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
8,122 reviews
Delta
7.9
Good
8,122 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

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
978 reviews
Delta
7.9
Good
8,122 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

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
9,208 reviews
Delta
7.9
Good
8,122 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

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
11,201 reviews
Delta
7.9
Good
8,122 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

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 Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Detroit to Sydney?

    Airlines like Qantas Airways fly from Detroit to Sydney in about 25h 34m. The time it takes to get you to your destination can typically vary by up to . The distance between Detroit and Sydney is about 9461 mi.

  • What are the cheapest airlines flying from Detroit to Sydney round-trip?

    According to our current data, Air Canada ($723), Delta ($766), and Air New Zealand ($810) offers the cheapest pricing from Detroit to Sydney. Air Canada is currently priced 28% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Detroit to Sydney one-way?

    The cheapest airlines for a one-way flight from Detroit to Sydney are American Airlines ($437), Qantas Airways ($455), and United Airlines ($460).

  • Can I find deals for flights from Detroit to Sydney that include hotel bookings?

    Yes. In addition to deals on Detroit to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Sydney.

  • Can I find deals for business class flights from Detroit to Sydney?

    Yes. Cheapflights offers flight deals from Detroit to Sydney 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 Sydney?

    Currently, July is the cheapest month in which you can book a flight from Detroit to Sydney (average of $506). Flying from Detroit to Sydney in December is currently the most expensive (average of $858). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Detroit to Sydney

Discover the top 6 airlines that operate flights from Detroit to Sydney. 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 janeiro 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$723Average$983FlexibilityNo cancel feeOn-time67%
DeltaCheapest$766Average$1,233FlexibilityNo cancel feeOn-timeN/A
Air New ZealandCheapest$810Average$1,385FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$816Average$1,028FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$834Average$891FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$842Average$978FlexibilityNo cancel feeOn-time69%

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