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

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 22h 19m.

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

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 45% 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 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 offers the lowest fares from Detroit to Sydney?

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

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

Los Angeles (LAX) was the most common stop: 72% of momondo users choosing 1-stop flights on this route connected there.

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 March 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.

$496 Cheap Flights from Detroit to Sydney in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $1,550 to $1,281. The lowest price recently found on this route was $991.

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One-way

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3:46 pm - 11:50 am

DTW

SYD

30h 04m

2 stops

6:00 am - 7:20 am

SYD

DTW

39h 20m

2 stops

$991Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

7:16 pm - 6:55 am

DTW

SYD

21h 39m

1 stop

9:10 am - 9:21 pm

SYD

DTW

26h 11m

2 stops

$1,092American Airlines

Sun, May 3 - Sun, May 10

3:42 pm - 6:55 am

DTW

SYD

25h 13m

1 stop

12:00 pm - 9:43 pm

SYD

DTW

23h 43m

1 stop

$1,093Qantas Airways

Wed, Apr 22 - Wed, Apr 29

3:42 pm - 6:55 am

DTW

SYD

25h 13m

1 stop

12:00 pm - 6:30 pm

SYD

DTW

20h 30m

1 stop

$1,094Qantas Airways

Tue, May 19 - Tue, May 26

11:40 am - 6:55 am

DTW

SYD

29h 15m

1 stop

12:00 pm - 6:26 pm

SYD

DTW

20h 26m

1 stop

$1,095American Airlines

Tue, Apr 21 - Tue, Apr 28

7:16 pm - 6:55 am

DTW

SYD

21h 39m

1 stop

12:00 pm - 6:26 pm

SYD

DTW

20h 26m

1 stop

$1,096Qantas Airways

Wed, Apr 15 - Wed, Apr 22

3:42 pm - 7:05 am

DTW

SYD

25h 23m

2 stops

12:00 pm - 11:25 pm

SYD

DTW

25h 25m

2 stops

$1,099American Airlines

Wed, Apr 22 - Wed, Apr 29

3:46 pm - 11:50 am

DTW

SYD

30h 04m

2 stops

6:00 am - 7:20 am

SYD

DTW

39h 20m

2 stops

$1,102Multiple Airlines

Tue, May 19 - Tue, May 26

6:00 am - 7:00 am

DTW

SYD

35h 00m

3 stops

9:30 am - 6:18 pm

SYD

DTW

22h 48m

2 stops

$1,103United Airlines

Tue, Apr 21 - Tue, Apr 28

7:18 am - 7:00 am

DTW

SYD

33h 42m

2 stops

9:30 am - 9:43 am

SYD

DTW

38h 13m

2 stops

$1,118United Airlines

Mon, Apr 20 - Mon, Apr 27

Delta flights from Detroit to Sydney

Our best Delta deals on Detroit to Sydney flight tickets

Delta

Apr 22

DTW4:41 pmDetroit Metropolitan Wayne County

24h 09m

2 stops

SYD6:50 amSydney Kingsford Smith

May 7

SYD9:15 amSydney Kingsford Smith

28h 34m

2 stops

DTW11:49 pmDetroit Metropolitan Wayne County

$1,140

Delta

Apr 14

DTW8:51 amDetroit Metropolitan Wayne County

31h 59m

1 stop

SYD6:50 amSydney Kingsford Smith

Apr 21

SYD9:15 amSydney Kingsford Smith

24h 21m

1 stop

DTW7:36 pmDetroit Metropolitan Wayne County

$1,191

Delta

Apr 19

DTW7:08 pmDetroit Metropolitan Wayne County

21h 42m

1 stop

SYD6:50 amSydney Kingsford Smith

Apr 29

SYD9:15 amSydney Kingsford Smith

19h 51m

1 stop

DTW3:06 pmDetroit Metropolitan Wayne County

$1,198

Qantas Airways flights from Detroit to Sydney

Our best Qantas Airways deals on Detroit to Sydney flight tickets

Qantas Airways

Apr 22

DTW3:42 pmDetroit Metropolitan Wayne County

25h 13m

1 stop

SYD6:55 amSydney Kingsford Smith

Apr 29

SYD12:00 pmSydney Kingsford Smith

23h 43m

1 stop

DTW9:43 pmDetroit Metropolitan Wayne County

$1,093

Qantas Airways

May 19

DTW3:42 pmDetroit Metropolitan Wayne County

25h 13m

1 stop

SYD6:55 amSydney Kingsford Smith

May 26

SYD12:00 pmSydney Kingsford Smith

20h 30m

1 stop

DTW6:30 pmDetroit Metropolitan Wayne County

$1,094

Qantas Airways

Apr 15

DTW7:16 pmDetroit Metropolitan Wayne County

21h 39m

1 stop

SYD6:55 amSydney Kingsford Smith

Apr 22

SYD12:00 pmSydney Kingsford Smith

20h 26m

1 stop

DTW6:26 pmDetroit Metropolitan Wayne County

$1,096

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 4/21

3:46 pm-11:50 am

2 stops30h 04m

Sydney Kingsford Smith

Tue 4/28

6:00 am-7:20 am

2 stops39h 20m

$991

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 5/3

7:16 pm-6:55 am

1 stop21h 39m

Sydney Kingsford Smith

Sun 5/10

9:10 am-9:21 pm

2 stops26h 11m

$1,092

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 4/22

3:42 pm-6:55 am

1 stop25h 13m

Sydney Kingsford Smith

Wed 4/29

12:00 pm-9:43 pm

1 stop23h 43m

$1,093

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 5/19

3:42 pm-6:55 am

1 stop25h 13m

Sydney Kingsford Smith

Tue 5/26

12:00 pm-6:30 pm

1 stop20h 30m

$1,094

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 4/21

11:40 am-6:55 am

1 stop29h 15m

Sydney Kingsford Smith

Tue 4/28

12:00 pm-6:26 pm

1 stop20h 26m

$1,095

Quickest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 4/15

7:16 pm-6:55 am

1 stop21h 39m

Sydney Kingsford Smith

Wed 4/22

12:00 pm-6:26 pm

1 stop20h 26m

$1,096

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 4/22

3:42 pm-7:05 am

2 stops25h 23m

Sydney Kingsford Smith

Wed 4/29

12:00 pm-11:25 pm

2 stops25h 25m

$1,099

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 5/19

3:46 pm-11:50 am

2 stops30h 04m

Sydney Kingsford Smith

Tue 5/26

6:00 am-7:20 am

2 stops39h 20m

$1,102

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 4/21

6:00 am-7:00 am

3 stops35h 00m

Sydney Kingsford Smith

Tue 4/28

9:30 am-6:18 pm

2 stops22h 48m

$1,103

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 4/20

7:18 am-7:00 am

2 stops33h 42m

Sydney Kingsford Smith

Mon 4/27

9:30 am-9:43 am

2 stops38h 13m

$1,118

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?

What is the cheapest month to fly to Sydney?

In general, September 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 $914. If you are unable to visit Sydney during the month of September, then departing from Detroit during the month March is also very affordable. Most momondo users find prices during this month for around $986.

How far in advance should I book a flight 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 $1,094 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 $949 on momondo.

Can stopping save me money on Detroit to Sydney flights?

You could potentially save up to 30% on your flight if you consider stops on a Detroit to Sydney flight.

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 31m
Direct flights	None

The fastest flight from Detroit to Sydney takes 21h 31m

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

Search flight deals

How far is Detroit to Sydney Kingsford Smith by plane?
The distance between Detroit and Sydney Kingsford Smith is about 9474.0 mi. 21h 31m 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 March 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 Delta (43% of total bookings). The next most popular airlines are United Airlines (21%), Qantas Airways (20%), and American Airlines (15%).

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
Air Canada	PriceFrom $723	Free Cancellation	Rating 7.1 10,848 reviews	Search Air Canada flights
Delta	PriceFrom $766	Free Cancellation	Rating 7.9 8,342 reviews	Search Delta flights
Air New Zealand	PriceFrom $810	Free Cancellation	Rating 8.0 621 reviews	Search Air New Zealand flights
United Airlines	PriceFrom $854	Free Cancellation	Rating 7.4 9,493 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $860	Free Cancellation	Rating 7.5 1,011 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $882	Free Cancellation	Rating 7.1 11,508 reviews	Search American Airlines flights

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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 $496

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 4/26. 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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Delta flights from Detroit to Sydney

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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 to Sydney?

Can stopping save me money on Detroit to Sydney flights?

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

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

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Direct flights

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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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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