How long is the flight from Detroit to Sydney?

Airlines like United Airlines fly from Detroit to Sydney in about 32h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 15226 km.

What is the cheapest airline to fly from Detroit to Sydney round-trip?

Our cheapest airline available from Detroit to Sydney is Qantas Airways. Our recent data shows that you can find tickets from as low as $1,597 on this airline. Qantas Airways is 11% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from DTT to SYD?

When flying from Detroit to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 holiday 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.

$770+ Cheap Flights from Detroit to Sydney

Cheap flight deals from Detroit to Sydney

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 6 October 2026.

Tue 3/1110:07 -

3 stops34h 28m

Tue 10/1114:00 -

3 stops30h 55m

Deal found 6/10$1,708

Sun 13/1208:35 -

2 stops32h 00m

Tue 12/111:50 -

2 stops26h 55m

Deal found 5/10$1,747

Mon 2/1110:07 -

3 stops34h 28m

Mon 9/1114:00 -

3 stops30h 55m

Deal found 5/10$1,769

Wed 25/1116:45 -

1 stop22h 15m

Sat 5/1211:50 -

1 stop22h 00m

Deal found 2/10$1,787

Sun 22/1117:05 -

1 stop24h 15m

Sat 5/1211:20 -

2 stops26h 54m

Deal found 2/10$1,793

Mon 14/1210:55 -

2 stops34h 05m

Tue 12/111:50 -

2 stops26h 55m

Deal found 5/10$1,816

Mon 30/1116:10 -

2 stops25h 10m

Tue 15/1211:50 -

1 stop22h 00m

Deal found 3/10$1,859

Sat 5/1215:31 -

2 stops25h 34m

Tue 12/109:20 -

1 stop20h 45m

Deal found 5/10$1,865

Sun 13/1208:35 -

2 stops34h 00m

Sun 10/119:25 -

2 stops43h 20m

Deal found 5/10$1,870

Wed 4/1114:49 -

1 stop24h 06m

Wed 11/1114:05 -

1 stop20h 29m

Deal found 6/10$1,909

Wed 4/1111:38 -

1 stop27h 17m

Wed 11/1114:05 -

1 stop20h 29m

Deal found 6/10$1,912

Mon 2/1114:09 -

2 stops27h 11m

Mon 9/1111:50 -

1 stop20h 16m

Deal found 5/10$1,916

Find flight deals from Detroit to Sydney

Round-trip from	$1,708
One-way from	$770
Popular in	October
Cheapest in	March
Average price	$2,047

3/11-10/11
6 total stops
65h 23m total
Detroit to Sydney

Search Deals

7/11-31/12
2 total stops
41h 50m total
Detroit to Sydney

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($183 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Mon 18/1

14:35-06:25

2 stops47h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$910

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Tue 19/1

08:22-06:20

1 stop29h 58m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,019

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Sun 4/4

06:10-06:30

1 stop34h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,026

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Mon 18/1

16:36-09:20

2 stops48h 44m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,065

Fastest return journey

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Sat 23/1

18:25-08:30

1 stop22h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,114

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Mon 12/10

17:45-07:50

2 stops23h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,135

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Sat 16/1

20:20-06:50

1 stop42h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,157

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Fri 2/4

06:48-12:45

2 stops38h 57m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,164

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Sun 17/1

08:22-09:20

1 stop32h 58m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,240

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Fri 25/12

20:05-19:25

2 stops31h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,264

Flights are sorted by cheapest return flights first.

Deals found on 2/10

Showing 1-10 of 21 resultsSorted by cheapest first

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.

DTT-SYD

DTW-SYD

Estimated return 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

DTT-SYD

DTW-SYD

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

Currently, March is the cheapest month in which you can book a flight from Detroit to Sydney (average of $1,552). Flying from Detroit to Sydney in October is currently the most expensive (average of $2,062). 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 for a return flight from Detroit to Sydney?

Airfare is below average for this route at the moment.

Detroit to Sydney flights typically cost between $1,932 and $2,191 in November.
The cheapest return price found within the last 5 days was $1,708 on Multiple Airlines (3 Nov–10 Nov).

What’s the top stopover airport for flights from Detroit to Sydney?

Dallas (DFW) – chosen by Cheapflights users on 78% of one-stop itineraries from Detroit to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from Detroit to Sydney?

San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $1,714.

What’s the fastest stopover option from Detroit to Sydney?

Flights via Houston (IAH) have the shortest average one-way travel time for one-stop routes: 22h 13m.

Which airport typically offers the quickest stopover for flights from Detroit to Sydney?

Flights via Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 30m.

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

The price you pay for your flight from Detroit to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

How long is the flight from Detroit to Sydney?
Airlines like United Airlines fly from Detroit to Sydney in about 32h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 15226 km.
What is the cheapest airline to fly from Detroit to Sydney round-trip?
Our cheapest airline available from Detroit to Sydney is Qantas Airways. Our recent data shows that you can find tickets from as low as $1,597 on this airline. Qantas Airways is 11% cheaper than the average price of flights available within the next 90 days to this destination.
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 holiday 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, March is the cheapest month in which you can book a flight from Detroit to Sydney (average of $1,552). Flying from Detroit to Sydney in October is currently the most expensive (average of $2,062). 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 airline flying from Detroit to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,597	Average$1,972	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

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How does Cheapflights help users find flights from Detroit to Sydney?

When you search for this flight from Detroit to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Detroit to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Detroit to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Detroit to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Detroit to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Detroit to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Detroit to Sydney from $770

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Detroit to Sydney

Cheapest flights from Detroit to SydneyExplore 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 6 October 2026.

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 6 October 2026.

Best flights from Detroit to SydneyDiscover carefully curated flight deals from Detroit to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Discover carefully curated flight deals from Detroit to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Detroit to SydneyDiscover last-minute flight deals from Detroit to Sydney. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from Detroit to Sydney. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Detroit to SydneySearch for one-way flight options from Detroit to Sydney. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from Detroit to Sydney. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Find flight deals from Detroit to Sydney

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Use the filters below to find and compare flights from Detroit to Sydney that are best for you.

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.

Cheapflights Insights

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

How much does it cost for a return flight from Detroit to Sydney?

Airfare is below average for this route at the moment.

Detroit to Sydney flights typically cost between $1,932 and $2,191 in November.The cheapest return price found within the last 5 days was $1,708 on Multiple Airlines (3 Nov–10 Nov).

What’s the top stopover airport for flights from Detroit to Sydney?

Share of one-stop return flights from Detroit to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Dallas (DFW) – chosen by Cheapflights users on 78% of one-stop itineraries from Detroit to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from Detroit to Sydney?

Average return fare for one-stop flights from Detroit to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $1,714.

What’s the fastest stopover option from Detroit to Sydney?

Shortest average travel time for one-stop one-way flights from Detroit to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Houston (IAH) have the shortest average one-way travel time for one-stop routes: 22h 13m.

Which airport typically offers the quickest stopover for flights from Detroit to Sydney?

Average stopover duration for one-stop one-way flights from Detroit to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 30m.

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

The price you pay for your flight from Detroit to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

How long is the flight from Detroit to Sydney?

What is the cheapest airline to fly from Detroit to Sydney round-trip?

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

How can I find direct flights from Detroit to Sydney?

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

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

Travelling to a place near Sydney?

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Detroit and Sydney flights

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Top airline flying from Detroit to Sydney

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How does Cheapflights help users find flights from Detroit to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Detroit to Sydney?

Can Cheapflights find flights from Detroit to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Detroit to Sydney become cheaper?

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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 6 October 2026.

Best flights from Detroit to Sydney
Discover carefully curated flight deals from Detroit to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Detroit to Sydney
Discover last-minute flight deals from Detroit to Sydney. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Detroit to Sydney
Search for one-way flight options from Detroit to Sydney. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Detroit to Sydney flights typically cost between $1,932 and $2,191 in November.
The cheapest return price found within the last 5 days was $1,708 on Multiple Airlines (3 Nov–10 Nov).