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

Qantas Airways, American Airlines, and United Airlines 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 refreshed on a daily basis.

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

The number of operators available for flights from Detroit to Sydney Kingsford Smith Airport is 1 as of August 2025.

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 stopovers. 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 licence 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.

$377 Cheap Flights from Detroit to Sydney in 2025

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 $1,347 to $1,928. The lowest price recently found on this route was $1,290.

1 adult

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Find the cheapest flights from Detroit to Sydney

Round-trip

One-way

Last minute

Cheap return flights

10:40 - 06:55DTW-SYD

30h 15m2 stops

10:20 - 16:26SYD-DTW

20h 06m1 stop

$1,290United Airlines

Find Deal

Tue, 16 Sep - Tue, 23 Sep

19:46 - 06:55DTW-SYD

21h 09m1 stop

12:10 - 18:30SYD-DTW

20h 20m1 stop

$1,307Qantas Airways

Find Deal

Sun, 7 Sep - Sun, 14 Sep

18:15 - 09:35DTW-SYD

47h 20m2 stops

11:20 - 17:36SYD-DTW

46h 16m2 stops

$1,309Air Canada

Find Deal

Mon, 3 Nov - Tue, 11 Nov

17:32 - 06:55DTW-SYD

23h 23m1 stop

10:20 - 16:26SYD-DTW

20h 06m1 stop

$1,315United Airlines

Find Deal

Tue, 16 Sep - Tue, 23 Sep

20:35 - 08:20DTW-SYD

44h 45m2 stops

11:20 - 18:36SYD-DTW

46h 16m2 stops

$1,330Air Canada

Find Deal

Fri, 17 Oct - Sun, 2 Nov

19:44 - 06:55DTW-SYD

21h 11m1 stop

12:10 - 18:30SYD-DTW

20h 20m1 stop

$1,346Qantas Airways

Find Deal

Thu, 14 Aug - Sun, 24 Aug

16:00 - 07:05DTW-SYD

25h 05m2 stops

12:10 - 22:13SYD-DTW

24h 03m1 stop

$1,360American Airlines

Find Deal

Thu, 14 Aug - Sun, 24 Aug

13:07 - 07:30DTW-SYD

27h 23m2 stops

14:20 - 00:12SYD-DTW

24h 52m1 stop

$1,361American Airlines

Find Deal

Mon, 20 Oct - Sun, 2 Nov

12:30 - 06:35DTW-SYD

28h 05m2 stops

10:25 - 18:55SYD-DTW

23h 30m1 stop

$1,370Delta

Find Deal

Tue, 16 Sep - Mon, 20 Oct

16:00 - 06:35DTW-SYD

24h 35m1 stop

09:25 - 22:34SYD-DTW

27h 09m1 stop

$1,378Delta

Find Deal

Tue, 16 Sep - Tue, 30 Sep

United Airlines flights from Detroit to Sydney

Our best United Airlines deals on Detroit to Sydney flight tickets

United Airlines

8 Aug

DTW16:20Detroit Metropolitan Wayne County

24h 40m

2 stops

SYD07:00Sydney Kingsford Smith

24 Aug

SYD09:30Sydney Kingsford Smith

28h 11m

2 stops

DTW23:41Detroit Metropolitan Wayne County

$1,289

Find similar

United Airlines

16 Sept

DTW10:40Detroit Metropolitan Wayne County

30h 15m

2 stops

SYD06:55Sydney Kingsford Smith

23 Sept

SYD10:20Sydney Kingsford Smith

20h 06m

1 stop

DTW16:26Detroit Metropolitan Wayne County

$1,290

Find similar

United Airlines

8 Aug

DTW19:43Detroit Metropolitan Wayne County

21h 12m

1 stop

SYD06:55Sydney Kingsford Smith

24 Aug

SYD09:30Sydney Kingsford Smith

28h 11m

2 stops

DTW23:41Detroit Metropolitan Wayne County

$1,295

Find similar

Qantas Airways flights from Detroit to Sydney

Our best Qantas Airways deals on Detroit to Sydney flight tickets

Qantas Airways

7 Sept

DTW19:46Detroit Metropolitan Wayne County

21h 09m

1 stop

SYD06:55Sydney Kingsford Smith

14 Sept

SYD12:10Sydney Kingsford Smith

20h 20m

1 stop

DTW18:30Detroit Metropolitan Wayne County

$1,307

Find similar

Qantas Airways

8 Aug

DTW18:18Detroit Metropolitan Wayne County

22h 37m

1 stop

SYD06:55Sydney Kingsford Smith

22 Aug

SYD12:10Sydney Kingsford Smith

24h 14m

1 stop

DTW22:24Detroit Metropolitan Wayne County

$1,316

Find similar

Qantas Airways

14 Aug

DTW19:44Detroit Metropolitan Wayne County

21h 11m

1 stop

SYD06:55Sydney Kingsford Smith

24 Aug

SYD12:10Sydney Kingsford Smith

20h 20m

1 stop

DTW18:30Detroit Metropolitan Wayne County

$1,346

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 16/9

10:40-06:55

2 stops30h 15m

Sydney Kingsford Smith

Tue 23/9

10:20-16:26

1 stop20h 06m

$1,290

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 7/9

19:46-06:55

1 stop21h 09m

Sydney Kingsford Smith

Sun 14/9

12:10-18:30

1 stop20h 20m

$1,307

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 3/11

18:15-09:35

2 stops47h 20m

Sydney Kingsford Smith

Tue 11/11

11:20-17:36

2 stops46h 16m

$1,309

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 16/9

17:32-06:55

1 stop23h 23m

Sydney Kingsford Smith

Tue 23/9

10:20-16:26

1 stop20h 06m

$1,315

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 17/10

20:35-08:20

2 stops44h 45m

Sydney Kingsford Smith

Sun 2/11

11:20-18:36

2 stops46h 16m

$1,330

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 14/8

19:44-06:55

1 stop21h 11m

Sydney Kingsford Smith

Sun 24/8

12:10-18:30

1 stop20h 20m

$1,346

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 14/8

16:00-07:05

2 stops25h 05m

Sydney Kingsford Smith

Sun 24/8

12:10-22:13

1 stop24h 03m

$1,360

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 20/10

13:07-07:30

2 stops27h 23m

Sydney Kingsford Smith

Sun 2/11

14:20-00:12

1 stop24h 52m

$1,361

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 16/9

12:30-06:35

2 stops28h 05m

Sydney Kingsford Smith

Mon 20/10

10:25-18:55

1 stop23h 30m

$1,370

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 16/9

16:00-06:35

1 stop24h 35m

Sydney Kingsford Smith

Tue 30/9

09:25-22:34

1 stop27h 09m

$1,378

Flights are sorted by cheapest return 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

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

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Detroit, with most prices found around $1,432. If you aren’t able to travel to Sydney during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,468.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,743. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,903.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at midday. momondo users have found flights departing from Detroit to Sydney at midday for as low as $467. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $2,277 on average. Flights to Sydney from Detroit in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,605 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Detroit for as low as $1,492 on momondo.

Can stopping save me money on Detroit to Sydney flights?

You could potentially save up to 43% 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 return 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

Best price found	$695
Fastest flight time	21h 09m
Direct flights	None
Airports in Sydney	1 airport

The best one-way flight to Sydney from Detroit in the past 72 hours is $695. The best return flight deal from Detroit to Sydney found on momondo in the last 72 hours is $1,290.

The fastest flight from Detroit to Sydney takes 21h 09m

There are no direct flights from Detroit to Sydney. Popular non-direct route for this connection is Detroit Metropolitan Wayne County Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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How far is Detroit to Sydney Kingsford Smith by plane?
The distance between Detroit and Sydney Kingsford Smith is about 15246.8 km. Typically, this will take 21h 09m by plane in normal conditions.
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 refreshed on a daily basis.
How many operators does momondo search for flights from Detroit to Sydney Kingsford Smith Airport?
The number of operators available for flights from Detroit to Sydney Kingsford Smith Airport is 1 as of August 2025.
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 stopovers. 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 licence 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?
momondo data reveals that the most frequently booked airline on the route from Detroit to Sydney is United Airlines, representing 62% of all bookings. The subsequent popular airline is Qantas Airways at 38%.

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
United Airlines	PriceFrom $953	Free cancellation	Rating 7.4 8,909 reviews		Search United Airlines flights
American Airlines	PriceFrom $1,444	Free cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

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Manly

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Cronulla

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Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to Sydney for you.

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

Yes. All flights to Sydney from Detroit on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Price alerts on flights to Sydney from Detroit are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.