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

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

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: 62% of momondo users choosing 1-stop flights on this route connected there.

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 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 43% 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.

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 June 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.

$536 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 $1,249 to $1,055. The lowest price recently found on this route was $1,225.

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.

3:50 pm - 10:25 pm

DTW

SYD

38h 35m

2 stops

2:05 pm - 5:45 pm

SYD

DTW

19h 40m

1 stop

$1,225Qantas Airways

Wed, Nov 4 - Wed, Nov 18

3:50 pm - 10:25 pm

DTW

SYD

38h 35m

2 stops

2:05 pm - 5:45 pm

SYD

DTW

19h 40m

1 stop

$1,241Qantas Airways

Wed, Nov 4 - Fri, Nov 20

4:17 pm - 7:30 am

DTW

SYD

25h 13m

2 stops

9:10 am - 9:18 pm

SYD

DTW

26h 08m

2 stops

$1,349American Airlines

Thu, Jul 30 - Sun, Aug 16

3:50 pm - 6:55 am

DTW

SYD

23h 05m

1 stop

7:00 am - 4:41 pm

SYD

DTW

25h 41m

2 stops

$1,350Qantas Airways

Sun, Nov 1 - Wed, Jan 20

2:14 pm - 6:50 am

DTW

SYD

26h 36m

1 stop

9:15 am - 11:59 pm

SYD

DTW

28h 44m

2 stops

$1,353Delta

Thu, Jul 30 - Sun, Aug 16

6:18 pm - 6:50 am

DTW

SYD

22h 32m

1 stop

10:15 am - 5:06 pm

SYD

DTW

21h 51m

1 stop

$1,354Delta

Tue, Sep 29 - Sun, Oct 18

5:40 pm - 6:50 am

DTW

SYD

23h 10m

2 stops

10:15 am - 6:48 pm

SYD

DTW

23h 33m

2 stops

$1,358Delta

Wed, Sep 30 - Sun, Oct 18

3:50 pm - 11:55 am

DTW

SYD

28h 05m

2 stops

2:05 pm - 5:45 pm

SYD

DTW

19h 40m

1 stop

$1,362Qantas Airways

Sun, Nov 1 - Wed, Nov 25

11:48 am - 11:55 am

DTW

SYD

32h 07m

2 stops

2:05 pm - 5:45 pm

SYD

DTW

19h 40m

1 stop

$1,366Qantas Airways

Sun, Nov 1 - Wed, Nov 25

11:48 am - 11:55 am

DTW

SYD

32h 07m

2 stops

2:05 pm - 5:45 pm

SYD

DTW

19h 40m

1 stop

$1,367Qantas Airways

Sun, Nov 1 - Wed, Nov 25

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Delta flights from Detroit to Sydney

Our best Delta deals on Detroit to Sydney flight tickets

Delta

Jun 21

DTW6:20 pmDetroit Metropolitan Wayne County

22h 30m

1 stop

SYD6:50 amSydney Kingsford Smith

Jul 5

SYD9:15 amSydney Kingsford Smith

23h 54m

1 stop

DTW7:09 pmDetroit Metropolitan Wayne County

$1,299

Delta

Jun 21

DTW4:25 pmDetroit Metropolitan Wayne County

24h 25m

2 stops

SYD6:50 amSydney Kingsford Smith

Jul 5

SYD9:15 amSydney Kingsford Smith

21h 55m

1 stop

DTW5:10 pmDetroit Metropolitan Wayne County

$1,303

Delta

Jul 30

DTW2:14 pmDetroit Metropolitan Wayne County

26h 36m

1 stop

SYD6:50 amSydney Kingsford Smith

Aug 16

SYD9:15 amSydney Kingsford Smith

28h 44m

2 stops

DTW11:59 pmDetroit Metropolitan Wayne County

$1,353

KLM flights from Detroit to Sydney

Our best KLM deals on Detroit to Sydney flight tickets

KLM

Jun 30

DTW10:25 pmDetroit Metropolitan Wayne County

42h 45m

3 stops

SYD7:10 amSydney Kingsford Smith

Jul 4

SYD2:45 pmSydney Kingsford Smith

35h 08m

2 stops

DTW11:53 amDetroit Metropolitan Wayne County

$2,889

KLM

Jun 29

DTW10:25 pmDetroit Metropolitan Wayne County

42h 45m

3 stops

SYD7:10 amSydney Kingsford Smith

Jul 14

SYD1:05 pmSydney Kingsford Smith

36h 48m

2 stops

DTW11:53 amDetroit Metropolitan Wayne County

$2,892

KLM

Jun 21

DTW10:25 pmDetroit Metropolitan Wayne County

42h 05m

3 stops

SYD6:30 amSydney Kingsford Smith

Jul 5

SYD11:40 amSydney Kingsford Smith

38h 13m

3 stops

DTW11:53 amDetroit Metropolitan Wayne County

$6,946

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 11/4

3:50 pm-10:25 pm

2 stops38h 35m

Sydney Kingsford Smith

Wed 11/18

2:05 pm-5:45 pm

1 stop19h 40m

$1,225

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 11/4

3:50 pm-10:25 pm

2 stops38h 35m

Sydney Kingsford Smith

Fri 11/20

2:05 pm-5:45 pm

1 stop19h 40m

$1,241

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 7/30

4:17 pm-7:30 am

2 stops25h 13m

Sydney Kingsford Smith

Sun 8/16

9:10 am-9:18 pm

2 stops26h 08m

$1,349

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 11/1

3:50 pm-6:55 am

1 stop23h 05m

Sydney Kingsford Smith

Wed 1/20

7:00 am-4:41 pm

2 stops25h 41m

$1,350

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 7/30

2:14 pm-6:50 am

1 stop26h 36m

Sydney Kingsford Smith

Sun 8/16

9:15 am-11:59 pm

2 stops28h 44m

$1,353

Quickest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 9/29

6:18 pm-6:50 am

1 stop22h 32m

Sydney Kingsford Smith

Sun 10/18

10:15 am-5:06 pm

1 stop21h 51m

$1,354

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 9/30

5:40 pm-6:50 am

2 stops23h 10m

Sydney Kingsford Smith

Sun 10/18

10:15 am-6:48 pm

2 stops23h 33m

$1,358

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 11/1

3:50 pm-11:55 am

2 stops28h 05m

Sydney Kingsford Smith

Wed 11/25

2:05 pm-5:45 pm

1 stop19h 40m

$1,362

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 11/1

11:48 am-11:55 am

2 stops32h 07m

Sydney Kingsford Smith

Wed 11/25

2:05 pm-5:45 pm

1 stop19h 40m

$1,366

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 11/1

11:48 am-11:55 am

2 stops32h 07m

Sydney Kingsford Smith

Wed 11/25

2:05 pm-5:45 pm

1 stop19h 40m

$1,367

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, 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 $180. If you are unable to visit Sydney during the month of March, then departing from Detroit during the month May is also very affordable. Most momondo users find prices during this month for around $185.

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 $1,192 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 $911 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 37m
Direct flights	None

The fastest flight from Detroit to Sydney takes 21h 37m

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 37m 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 June 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 (36% of total bookings). The next most popular airlines are Qantas Airways (28%), United Airlines (20%), and American Airlines (16%).

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 $801	Free Cancellation	Rating 7.1 11,210 reviews	Search Air Canada flights
Delta	PriceFrom $831	Free Cancellation	Rating 7.8 8,410 reviews	Search Delta flights
United Airlines	PriceFrom $850	Free Cancellation	Rating 7.4 9,858 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $863	Free Cancellation	Rating 7.5 1,047 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $882	Free Cancellation	Rating 7.1 11,682 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,185	Free Cancellation	Rating 8.0 645 reviews	Search Air New Zealand flights

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Coogee

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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 $536

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 8/29. 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

Our best Delta deals on Detroit to Sydney flight tickets

KLM flights from Detroit to Sydney

Our best KLM 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?

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

Fastest flight time

Direct flights

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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