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

Qantas Airways, Alaska 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 November 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.

$373 Cheap Flights from Detroit to Sydney in 2025/26

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

Prices are currently typical for flights on this route. Typical prices usually range from $1,347 to $1,892. The lowest price recently found on this route was $1,651.

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Find the cheapest flights from Detroit to Sydney

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:15 - 09:35DTW-SYD

47h 20m2 stops

16:00 - 14:47SYD-DTW

38h 47m2 stops

$1,651Air Canada

Find Deal

Sat, 29 Nov - Sat, 13 Dec

15:49 - 06:55DTW-SYD

23h 06m1 stop

07:05 - 18:39SYD-DTW

27h 34m2 stops

$1,688Qantas Airways

Find Deal

Wed, 10 Dec - Wed, 17 Dec

10:47 - 07:25DTW-SYD

28h 38m2 stops

17:45 - 00:09SYD-DTW

22h 24m2 stops

$1,695Multiple Airlines

Find Deal

Tue, 2 Dec - Tue, 9 Dec

16:03 - 09:50DTW-SYD

26h 47m2 stops

12:10 - 18:00SYD-DTW

19h 50m1 stop

$1,703Qantas Airways

Find Deal

Wed, 18 Mar - Thu, 7 May

13:20 - 06:55DTW-SYD

25h 35m1 stop

17:30 - 18:42SYD-DTW

41h 12m2 stops

$1,720Qantas Airways

Find Deal

Mon, 9 Feb - Sat, 28 Feb

09:18 - 07:25DTW-SYD

30h 07m1 stop

17:45 - 00:09SYD-DTW

22h 24m2 stops

$1,721Multiple Airlines

Find Deal

Tue, 2 Dec - Tue, 9 Dec

15:58 - 06:55DTW-SYD

22h 57m1 stop

07:20 - 16:54SYD-DTW

25h 34m2 stops

$1,731Qantas Airways

Find Deal

Fri, 13 Feb - Sun, 8 Mar

15:58 - 06:55DTW-SYD

22h 57m1 stop

06:30 - 18:42SYD-DTW

28h 12m2 stops

$1,763Qantas Airways

Find Deal

Fri, 13 Feb - Fri, 6 Mar

07:05 - 10:30DTW-SYD

36h 25m2 stops

10:20 - 20:40SYD-DTW

24h 20m1 stop

$2,146Air New Zealand

Find Deal

Tue, 17 Mar - Wed, 6 May

07:05 - 09:15DTW-SYD

35h 10m1 stop

08:45 - 23:44SYD-DTW

28h 59m2 stops

$2,169Air New Zealand

Find Deal

Sun, 15 Mar - Wed, 6 May

Air Canada flights from Detroit to Sydney

Our best Air Canada deals on Detroit to Sydney flight tickets

Air Canada

29 Nov

DTW18:15Detroit Metropolitan Wayne County

47h 20m

2 stops

SYD09:35Sydney Kingsford Smith

13 Dec

SYD16:00Sydney Kingsford Smith

38h 47m

2 stops

DTW14:47Detroit Metropolitan Wayne County

$1,651

Find similar

Air Canada

9 Apr

DTW08:55Detroit Metropolitan Wayne County

32h 25m

2 stops

SYD07:20Sydney Kingsford Smith

24 Apr

SYD09:20Sydney Kingsford Smith

46h 13m

2 stops

DTW17:33Detroit Metropolitan Wayne County

$1,938

Find similar

Air Canada

12 Nov

DTW09:07Detroit Metropolitan Wayne County

32h 28m

2 stops

SYD09:35Sydney Kingsford Smith

19 Nov

SYD11:20Sydney Kingsford Smith

28h 18m

3 stops

DTW23:38Detroit Metropolitan Wayne County

$4,562

Find similar

Qantas Airways flights from Detroit to Sydney

Our best Qantas Airways deals on Detroit to Sydney flight tickets

Qantas Airways

10 Dec

DTW15:49Detroit Metropolitan Wayne County

23h 06m

1 stop

SYD06:55Sydney Kingsford Smith

17 Dec

SYD07:05Sydney Kingsford Smith

27h 34m

2 stops

DTW18:39Detroit Metropolitan Wayne County

$1,688

Find similar

Qantas Airways

18 Mar

DTW16:03Detroit Metropolitan Wayne County

26h 47m

2 stops

SYD09:50Sydney Kingsford Smith

7 May

SYD12:10Sydney Kingsford Smith

19h 50m

1 stop

DTW18:00Detroit Metropolitan Wayne County

$1,703

Find similar

Qantas Airways

9 Feb

DTW13:20Detroit Metropolitan Wayne County

25h 35m

1 stop

SYD06:55Sydney Kingsford Smith

28 Feb

SYD17:30Sydney Kingsford Smith

41h 12m

2 stops

DTW18:42Detroit Metropolitan Wayne County

$1,720

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 29/11

18:15-09:35

2 stops47h 20m

Sydney Kingsford Smith

Sat 13/12

16:00-14:47

2 stops38h 47m

$1,651

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 10/12

15:49-06:55

1 stop23h 06m

Sydney Kingsford Smith

Wed 17/12

07:05-18:39

2 stops27h 34m

$1,688

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 2/12

10:47-07:25

2 stops28h 38m

Sydney Kingsford Smith

Tue 9/12

17:45-00:09

2 stops22h 24m

$1,695

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 18/3

16:03-09:50

2 stops26h 47m

Sydney Kingsford Smith

Thu 7/5

12:10-18:00

1 stop19h 50m

$1,703

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 9/2

13:20-06:55

1 stop25h 35m

Sydney Kingsford Smith

Sat 28/2

17:30-18:42

2 stops41h 12m

$1,720

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 2/12

09:18-07:25

1 stop30h 07m

Sydney Kingsford Smith

Tue 9/12

17:45-00:09

2 stops22h 24m

$1,721

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 13/2

15:58-06:55

1 stop22h 57m

Sydney Kingsford Smith

Sun 8/3

07:20-16:54

2 stops25h 34m

$1,731

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 13/2

15:58-06:55

1 stop22h 57m

Sydney Kingsford Smith

Fri 6/3

06:30-18:42

2 stops28h 12m

$1,763

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 17/3

07:05-10:30

2 stops36h 25m

Sydney Kingsford Smith

Wed 6/5

10:20-20:40

1 stop24h 20m

$2,146

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 15/3

07:05-09:15

1 stop35h 10m

Sydney Kingsford Smith

Wed 6/5

08:45-23:44

2 stops28h 59m

$2,169

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 $1,372. 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 $1,405.

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 $1,723. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,870.

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 $462. 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 $2,251 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 $1,484 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 $1,387 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 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

Direct flights	None

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 22h 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 November 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 57% of all bookings. The subsequent popular airlines are Qantas Airways at 23% and American Airlines at 19%.

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 $1,341	Free cancellation	Rating 7.5 926 reviews		Search Qantas Airways flights
American Airlines	PriceFrom $1,427	Free cancellation	Rating 7.2 11,036 reviews		Search American Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Randwick

Cronulla

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.