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

United Airlines and Delta 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 March 2026.

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.

$721 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 $2,254 to $1,863. The lowest price recently found on this route was $1,665.

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Find the cheapest flights from Detroit to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:42 - 06:55

DTW

SYD

25h 13m

1 stop

12:00 - 21:43

SYD

DTW

23h 43m

1 stop

$1,665Qantas Airways

Mon, 27 Apr - Mon, 11 May

19:16 - 06:55

DTW

SYD

21h 39m

1 stop

12:00 - 21:43

SYD

DTW

23h 43m

1 stop

$1,671Qantas Airways

Mon, 27 Apr - Mon, 11 May

15:42 - 06:55

DTW

SYD

25h 13m

1 stop

12:00 - 18:26

SYD

DTW

20h 26m

1 stop

$1,672Qantas Airways

Tue, 12 May - Tue, 19 May

15:42 - 06:55

DTW

SYD

25h 13m

1 stop

12:00 - 18:26

SYD

DTW

20h 26m

1 stop

$1,675Qantas Airways

Tue, 5 May - Wed, 20 May

19:16 - 06:55

DTW

SYD

21h 39m

1 stop

12:00 - 21:43

SYD

DTW

23h 43m

1 stop

$1,676Qantas Airways

Sun, 10 May - Wed, 20 May

19:16 - 06:55

DTW

SYD

21h 39m

1 stop

12:00 - 21:43

SYD

DTW

23h 43m

1 stop

$1,684Qantas Airways

Mon, 27 Apr - Mon, 11 May

15:46 - 11:50

DTW

SYD

30h 04m

2 stops

13:15 - 07:20

SYD

DTW

32h 05m

2 stops

$1,688Multiple Airlines

Sat, 9 May - Sat, 16 May

10:15 - 07:20

DTW

SYD

31h 05m

2 stops

09:20 - 22:53

SYD

DTW

27h 33m

2 stops

$1,690Air Canada

Tue, 12 May - Tue, 19 May

10:15 - 07:20

DTW

SYD

31h 05m

2 stops

09:20 - 10:08

SYD

DTW

38h 48m

2 stops

$1,697Air Canada

Sun, 10 May - Thu, 21 May

15:29 - 07:20

DTW

SYD

25h 51m

2 stops

09:20 - 14:11

SYD

DTW

42h 51m

2 stops

$1,703Multiple Airlines

Wed, 29 Apr - Fri, 31 Jul

Delta flights from Detroit to Sydney

Our best Delta deals on Detroit to Sydney flight tickets

Delta

19 Apr

DTW19:08Detroit Metropolitan Wayne County

21h 42m

1 stop

SYD06:50Sydney Kingsford Smith

29 Apr

SYD09:15Sydney Kingsford Smith

19h 51m

1 stop

DTW15:06Detroit Metropolitan Wayne County

$1,742

Delta

20 Apr

DTW12:30Detroit Metropolitan Wayne County

28h 20m

2 stops

SYD06:50Sydney Kingsford Smith

27 Apr

SYD09:15Sydney Kingsford Smith

38h 07m

2 stops

DTW09:22Detroit Metropolitan Wayne County

$1,748

Delta

1 May

DTW12:23Detroit Metropolitan Wayne County

28h 27m

1 stop

SYD06:50Sydney Kingsford Smith

10 May

SYD09:15Sydney Kingsford Smith

21h 41m

1 stop

DTW16:56Detroit Metropolitan Wayne County

$1,813

American Airlines flights from Detroit to Sydney

Our best American Airlines deals on Detroit to Sydney flight tickets

American Airlines

27 Apr

DTW15:42Detroit Metropolitan Wayne County

25h 23m

2 stops

SYD07:05Sydney Kingsford Smith

11 May

SYD09:10Sydney Kingsford Smith

23h 16m

2 stops

DTW18:26Detroit Metropolitan Wayne County

$1,719

American Airlines

27 Apr

DTW17:32Detroit Metropolitan Wayne County

23h 33m

2 stops

SYD07:05Sydney Kingsford Smith

11 May

SYD09:10Sydney Kingsford Smith

23h 16m

2 stops

DTW18:26Detroit Metropolitan Wayne County

$1,720

American Airlines

24 May

DTW19:20Detroit Metropolitan Wayne County

21h 35m

1 stop

SYD06:55Sydney Kingsford Smith

31 May

SYD12:00Sydney Kingsford Smith

25h 42m

1 stop

DTW23:42Detroit Metropolitan Wayne County

$1,726

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 27/4

15:42-06:55

1 stop25h 13m

Sydney Kingsford Smith

Mon 11/5

12:00-21:43

1 stop23h 43m

$1,665

Fastest return journey

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 27/4

19:16-06:55

1 stop21h 39m

Sydney Kingsford Smith

Mon 11/5

12:00-21:43

1 stop23h 43m

$1,671

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 12/5

15:42-06:55

1 stop25h 13m

Sydney Kingsford Smith

Tue 19/5

12:00-18:26

1 stop20h 26m

$1,672

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 5/5

15:42-06:55

1 stop25h 13m

Sydney Kingsford Smith

Wed 20/5

12:00-18:26

1 stop20h 26m

$1,675

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 10/5

19:16-06:55

1 stop21h 39m

Sydney Kingsford Smith

Wed 20/5

12:00-21:43

1 stop23h 43m

$1,676

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 27/4

19:16-06:55

1 stop21h 39m

Sydney Kingsford Smith

Mon 11/5

12:00-21:43

1 stop23h 43m

$1,684

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 9/5

15:46-11:50

2 stops30h 04m

Sydney Kingsford Smith

Sat 16/5

13:15-07:20

2 stops32h 05m

$1,688

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 12/5

10:15-07:20

2 stops31h 05m

Sydney Kingsford Smith

Tue 19/5

09:20-22:53

2 stops27h 33m

$1,690

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 10/5

10:15-07:20

2 stops31h 05m

Sydney Kingsford Smith

Thu 21/5

09:20-10:08

2 stops38h 48m

$1,697

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 29/4

15:29-07:20

2 stops25h 51m

Sydney Kingsford Smith

Fri 31/7

09:20-14:11

2 stops42h 51m

$1,703

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 September is, on average, the cheapest month to fly to Sydney from Detroit, with most prices found around $1,329. If you aren’t able to travel to Sydney during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,434.

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 $1,591 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 $1,380 on momondo.

Can stopping save me money on Detroit to Sydney flights?

You could potentially save up to 39% 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

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 15246.8 km. Typically, this will take 21h 31m 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 March 2026.
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 66% of all bookings. The subsequent popular airline is American Airlines at 34%.

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
Qantas Airways	PriceFrom $1,620	Free cancellation	Rating 7.5 1,013 reviews		Search Qantas Airways flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Coogee

Leura

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

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.