Which airport is the most popular layover for flights between Detroit and Sydney?

Los Angeles (LAX) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Detroit to Sydney?

Houston (IAH) has the shortest average layover time for this route: 1h 28m.

Which layover airport has the shortest travel time from Detroit to Sydney?

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 22h 17m.

What airlines fly to Sydney?

Delta, Qantas Airways and United Airlines are the top three most popular airlines that fly to Sydney from Detroit according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 6 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Detroit to Sydney?

Flights via Dallas (DFW) offer the lowest average round-trip price of $830.

What is the cheapest airline that flies from Detroit to Sydney Kingsford Smith?

United Airlines and Qantas Airways are the most popular carriers operating from Detroit to Sydney Kingsford Smith

When did momondo last update prices for flights from Detroit to Sydney Kingsford Smith Airport?

Prices for flights from Detroit to Sydney Kingsford Smith Airport are updated daily.

How many operators does momondo search for flights from Detroit to Sydney Kingsford Smith Airport?

As of July 2026, there are 6 operators available to choose from for flights from Detroit to Sydney Kingsford Smith Airport.

How old do you have to be to fly from Detroit to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$693 Cheap Flights from Detroit to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Detroit to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 6:55 am

DTW

SYD

25h 35m

1 stop

6:00 am - 4:41 pm

SYD

DTW

26h 41m

2 stops

$1,216Qantas Airways

Wed, Jan 20 - Sat, Feb 6

2:49 pm - 6:55 am

DTW

SYD

24h 06m

1 stop

6:05 am - 3:43 pm

SYD

DTW

25h 38m

2 stops

$1,216Qantas Airways

Wed, Nov 4 - Wed, Nov 18

9:49 am - 10:25 pm

DTW

SYD

46h 36m

3 stops

1:15 pm - 11:51 am

SYD

DTW

36h 36m

3 stops

$1,242Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

5:00 pm - 6:55 am

DTW

SYD

23h 55m

1 stop

1:15 pm - 11:35 am

SYD

DTW

36h 20m

3 stops

$1,281Multiple Airlines

Tue, Aug 25 - Wed, Sep 9

4:10 pm - 9:05 am

DTW

SYD

24h 55m

2 stops

9:15 am - 1:53 pm

SYD

DTW

20h 38m

1 stop

$1,342United Airlines

Mon, Nov 9 - Sun, Nov 22

5:05 pm - 9:20 am

DTW

SYD

24h 15m

1 stop

9:15 am - 4:04 pm

SYD

DTW

22h 49m

1 stop

$1,342United Airlines

Mon, Nov 9 - Sun, Nov 22

5:00 pm - 6:55 am

DTW

SYD

23h 55m

1 stop

12:00 pm - 6:47 pm

SYD

DTW

20h 47m

1 stop

$1,344American Airlines

Tue, Aug 18 - Tue, Aug 25

5:00 pm - 6:55 am

DTW

SYD

23h 55m

1 stop

9:10 am - 9:33 pm

SYD

DTW

26h 23m

2 stops

$1,348American Airlines

Tue, Aug 18 - Tue, Aug 25

12:42 pm - 7:50 am

DTW

SYD

28h 08m

1 stop

10:15 am - 11:43 pm

SYD

DTW

28h 28m

1 stop

$1,353Delta

Mon, Oct 5 - Sun, Oct 18

12:42 pm - 7:50 am

DTW

SYD

28h 08m

1 stop

10:15 am - 11:43 pm

SYD

DTW

28h 28m

1 stop

$1,353Delta

Mon, Oct 5 - Tue, Oct 20

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United Airlines flights from Detroit to Sydney

Our best United Airlines deals on Detroit to Sydney flight tickets

United Airlines

Sep 30

DTW7:40 pmDetroit Metropolitan Wayne County

21h 15m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 14

SYD11:20 amSydney Kingsford Smith

22h 17m

1 stop

DTW6:37 pmDetroit Metropolitan Wayne County

$1,352

United Airlines

Sep 30

DTW9:04 amDetroit Metropolitan Wayne County

31h 51m

2 stops

SYD6:55 amSydney Kingsford Smith

Oct 20

SYD11:20 amSydney Kingsford Smith

21h 45m

2 stops

DTW6:05 pmDetroit Metropolitan Wayne County

$1,356

United Airlines

Sep 29

DTW3:31 pmDetroit Metropolitan Wayne County

25h 29m

2 stops

SYD7:00 amSydney Kingsford Smith

Oct 20

SYD11:20 amSydney Kingsford Smith

22h 17m

1 stop

DTW6:37 pmDetroit Metropolitan Wayne County

$1,357

Delta flights from Detroit to Sydney

Our best Delta deals on Detroit to Sydney flight tickets

Delta

Jul 28

DTW6:20 pmDetroit Metropolitan Wayne County

22h 30m

1 stop

SYD6:50 amSydney Kingsford Smith

Aug 4

SYD9:15 amSydney Kingsford Smith

28h 28m

1 stop

DTW11:43 pmDetroit Metropolitan Wayne County

$1,347

Delta

Jul 28

DTW12:50 pmDetroit Metropolitan Wayne County

28h 00m

1 stop

SYD6:50 amSydney Kingsford Smith

Aug 4

SYD9:15 amSydney Kingsford Smith

37h 40m

2 stops

DTW8:55 amDetroit Metropolitan Wayne County

$1,352

Delta

Sep 29

DTW3:50 pmDetroit Metropolitan Wayne County

25h 00m

1 stop

SYD6:50 amSydney Kingsford Smith

Oct 18

SYD10:15 amSydney Kingsford Smith

28h 28m

1 stop

DTW11:43 pmDetroit Metropolitan Wayne County

$1,353

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 1/20

1:20 pm-6:55 am

1 stop25h 35m

Sydney Kingsford Smith

Sat 2/6

6:00 am-4:41 pm

2 stops26h 41m

$1,216

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 11/4

2:49 pm-6:55 am

1 stop24h 06m

Sydney Kingsford Smith

Wed 11/18

6:05 am-3:43 pm

2 stops25h 38m

$1,216

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 9/8

9:49 am-10:25 pm

3 stops46h 36m

Sydney Kingsford Smith

Tue 9/15

1:15 pm-11:51 am

3 stops36h 36m

$1,242

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 8/25

5:00 pm-6:55 am

1 stop23h 55m

Sydney Kingsford Smith

Wed 9/9

1:15 pm-11:35 am

3 stops36h 20m

$1,281

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 11/9

4:10 pm-9:05 am

2 stops24h 55m

Sydney Kingsford Smith

Sun 11/22

9:15 am-1:53 pm

1 stop20h 38m

$1,342

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 11/9

5:05 pm-9:20 am

1 stop24h 15m

Sydney Kingsford Smith

Sun 11/22

9:15 am-4:04 pm

1 stop22h 49m

$1,342

Quickest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 8/18

5:00 pm-6:55 am

1 stop23h 55m

Sydney Kingsford Smith

Tue 8/25

12:00 pm-6:47 pm

1 stop20h 47m

$1,344

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 8/18

5:00 pm-6:55 am

1 stop23h 55m

Sydney Kingsford Smith

Tue 8/25

9:10 am-9:33 pm

2 stops26h 23m

$1,348

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 10/5

12:42 pm-7:50 am

1 stop28h 08m

Sydney Kingsford Smith

Sun 10/18

10:15 am-11:43 pm

1 stop28h 28m

$1,353

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 10/5

12:42 pm-7:50 am

1 stop28h 08m

Sydney Kingsford Smith

Tue 10/20

10:15 am-11:43 pm

1 stop28h 28m

$1,353

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Detroit to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Detroit and Sydney?

Prices are currently high for flights on this route.

Typical prices usually range from $884 to $1,170.
The lowest price recently found on this route was $1,216.

What is the cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from Detroit to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $987. If you are unable to visit Sydney during the month of March, then departing from Detroit during the month November is also very affordable. Most momondo users find prices during this month for around $996.

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

You are more likely to see cheaper flights to Sydney from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,265 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Detroit for as low as $947 on momondo.

When to book flights from Detroit to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Detroit to Sydney (DTT to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Sydney

Fastest flight time	21h 04m
Direct flights	None

The fastest flight from Detroit to Sydney takes 21h 04m

There are no direct flights from Detroit to Sydney. There are no popular flight routes from Detroit to Sydney.

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Frequently asked questions about flying from Detroit to Sydney

How far is Detroit to Sydney Kingsford Smith by plane?
The distance between Detroit and Sydney Kingsford Smith is about 9474.0 mi. 21h 04m is a normal flight duration for this route.
When did momondo last update prices for flights from Detroit to Sydney Kingsford Smith Airport?
Prices for flights from Detroit to Sydney Kingsford Smith Airport are updated daily.
How many operators does momondo search for flights from Detroit to Sydney Kingsford Smith Airport?
As of July 2026, there are 6 operators available to choose from for flights from Detroit to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Detroit to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Detroit to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Detroit to Sydney is Qantas Airways (47% of total bookings). The next most popular airlines are Delta (33%) and United Airlines (20%).

Best airlines flying from Detroit to Sydney

Compare and see reviews for airlines that fly from Detroit to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $831	Free Cancellation	Rating 7.8 8,483 reviews	Search Delta flights
Air Canada	PriceFrom $847	Free Cancellation	Rating 7.1 11,391 reviews	Search Air Canada flights
United Airlines	PriceFrom $860	Free Cancellation	Rating 7.4 10,042 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $877	Free Cancellation	Rating 7.5 1,067 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $974	Free Cancellation	Rating 7.1 11,837 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,185	Free Cancellation	Rating 8.0 655 reviews	Search Air New Zealand flights

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Randwick

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Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Detroit.

Can I find flights from Detroit to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Detroit to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Detroit to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Detroit.

I’m not ready to book a flight from Detroit to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Detroit to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Detroit to Sydney from $693

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Sydney departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best United Airlines deals on Detroit to Sydney flight tickets

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How to get the cheapest flight ticket from Detroit to Sydney

What is the typical price of a round-trip flight between Detroit and Sydney?

What is the cheapest month to fly to Sydney?

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

What is the cheapest airline that flies from Detroit to Sydney Kingsford Smith?

What airlines fly to Sydney?

Which airport is the most popular layover for flights between Detroit and Sydney?

Which layover airport offers the lowest fares from Detroit to Sydney?

Which layover airport has the shortest travel time from Detroit to Sydney?

Which layover airport has the shortest connection time from Detroit to Sydney?

When to book flights from Detroit to Sydney

Cheap Detroit to Sydney (DTT to SYD) flight deals and tips

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Frequently asked questions about flying from Detroit to Sydney

Best airlines flying from Detroit to Sydney

Compare and see reviews for airlines that fly from Detroit to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

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