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

Qantas Airways, Air Canada, and Delta are the most popular carriers operating from Detroit to Sydney Kingsford Smith

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 15m.

What airlines fly to Sydney?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Sydney from Detroit according to our data. American Airlines is the first choice among our users, with 33% 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 24m.

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

Dallas (DFW) was the most common stop: 59% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Detroit to Sydney?

Flights via Dallas (DFW) offer the lowest average round-trip price of $828.

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 December 2025, 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.

$247 Cheap Flights from Detroit to Sydney in 2025/26

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3:58 pm - 9:30 pmDTW-SYD

37h 32m2 stops

2:05 pm - 11:16 pmSYD-DTW

25h 11m1 stop

$925Qantas Airways

Find Deal

Fri, Feb 27 - Sat, Mar 7

1:23 pm - 6:55 amDTW-SYD

25h 32m1 stop

6:35 pm - 3:07 pmSYD-DTW

36h 32m2 stops

$936Qantas Airways

Find Deal

Mon, Feb 9 - Sat, Feb 28

6:45 am - 7:25 amDTW-SYD

32h 40m2 stops

2:00 pm - 4:30 amSYD-DTW

30h 30m3 stops

$976Multiple Airlines

Find Deal

Thu, Jan 15 - Wed, Jan 28

6:45 am - 7:25 amDTW-SYD

32h 40m2 stops

6:00 am - 9:02 pmSYD-DTW

31h 02m2 stops

$980Multiple Airlines

Find Deal

Thu, Jan 15 - Wed, Jan 28

9:01 am - 12:35 pmDTW-SYD

35h 34m3 stops

6:00 am - 9:02 pmSYD-DTW

31h 02m2 stops

$1,005Multiple Airlines

Find Deal

Thu, Feb 5 - Tue, Feb 10

5:00 am - 7:25 amDTW-SYD

34h 25m2 stops

2:00 pm - 4:30 amSYD-DTW

30h 30m3 stops

$1,020Multiple Airlines

Find Deal

Thu, Jan 15 - Wed, Jan 28

6:45 am - 7:25 amDTW-SYD

32h 40m2 stops

2:00 pm - 9:02 pmSYD-DTW

23h 02m2 stops

$1,024Multiple Airlines

Find Deal

Thu, Jan 15 - Wed, Jan 28

6:45 am - 7:25 amDTW-SYD

32h 40m2 stops

2:00 pm - 4:30 amSYD-DTW

30h 30m3 stops

$1,036Multiple Airlines

Find Deal

Thu, Jan 29 - Sat, Feb 7

6:45 am - 7:25 amDTW-SYD

32h 40m2 stops

6:00 am - 9:02 pmSYD-DTW

31h 02m2 stops

$1,044Multiple Airlines

Find Deal

Thu, Jan 29 - Sat, Feb 7

3:29 pm - 7:20 amDTW-SYD

25h 51m2 stops

9:20 am - 8:26 pmSYD-DTW

25h 06m2 stops

$1,054Multiple Airlines

Find Deal

Tue, Apr 28 - Tue, May 12

Qantas Airways flights from Detroit to Sydney

Our best Qantas Airways deals on Detroit to Sydney flight tickets

Qantas Airways

Mar 13

DTW3:59 pmDetroit Metropolitan Wayne County

26h 51m

2 stops

SYD9:50 amSydney Kingsford Smith

Mar 28

SYD1:05 pmSydney Kingsford Smith

23h 17m

1 stop

DTW9:22 pmDetroit Metropolitan Wayne County

$925

Find similar

Qantas Airways

Feb 9

DTW1:23 pmDetroit Metropolitan Wayne County

25h 32m

1 stop

SYD6:55 amSydney Kingsford Smith

Feb 28

SYD6:35 pmSydney Kingsford Smith

36h 32m

2 stops

DTW3:07 pmDetroit Metropolitan Wayne County

$936

Find similar

Qantas Airways

Jan 26

DTW5:35 pmDetroit Metropolitan Wayne County

28h 20m

2 stops

SYD1:55 pmSydney Kingsford Smith

Feb 16

SYD2:05 pmSydney Kingsford Smith

20h 34m

1 stop

DTW6:39 pmDetroit Metropolitan Wayne County

$1,056

Find similar

Air Canada flights from Detroit to Sydney

Our best Air Canada deals on Detroit to Sydney flight tickets

Air Canada

Apr 28

DTW6:15 pmDetroit Metropolitan Wayne County

47h 05m

1 stop

SYD7:20 amSydney Kingsford Smith

May 12

SYD9:20 amSydney Kingsford Smith

25h 06m

2 stops

DTW8:26 pmDetroit Metropolitan Wayne County

$1,061

Find similar

Air Canada

May 6

DTW9:30 amDetroit Metropolitan Wayne County

31h 50m

3 stops

SYD7:20 amSydney Kingsford Smith

May 20

SYD9:20 amSydney Kingsford Smith

38h 26m

2 stops

DTW9:46 amDetroit Metropolitan Wayne County

$1,062

Find similar

Air Canada

May 6

DTW10:30 amDetroit Metropolitan Wayne County

30h 50m

1 stop

SYD7:20 amSydney Kingsford Smith

May 20

SYD9:20 amSydney Kingsford Smith

38h 26m

2 stops

DTW9:46 amDetroit Metropolitan Wayne County

$1,064

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 2/27

3:58 pm-9:30 pm

2 stops37h 32m

Sydney Kingsford Smith

Sat 3/7

2:05 pm-11:16 pm

1 stop25h 11m

$925

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 2/9

1:23 pm-6:55 am

1 stop25h 32m

Sydney Kingsford Smith

Sat 2/28

6:35 pm-3:07 pm

2 stops36h 32m

$936

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 1/15

6:45 am-7:25 am

2 stops32h 40m

Sydney Kingsford Smith

Wed 1/28

2:00 pm-4:30 am

3 stops30h 30m

$976

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 1/15

6:45 am-7:25 am

2 stops32h 40m

Sydney Kingsford Smith

Wed 1/28

6:00 am-9:02 pm

2 stops31h 02m

$980

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 2/5

9:01 am-12:35 pm

3 stops35h 34m

Sydney Kingsford Smith

Tue 2/10

6:00 am-9:02 pm

2 stops31h 02m

$1,005

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 1/15

5:00 am-7:25 am

2 stops34h 25m

Sydney Kingsford Smith

Wed 1/28

2:00 pm-4:30 am

3 stops30h 30m

$1,020

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 1/15

6:45 am-7:25 am

2 stops32h 40m

Sydney Kingsford Smith

Wed 1/28

2:00 pm-9:02 pm

2 stops23h 02m

$1,024

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 1/29

6:45 am-7:25 am

2 stops32h 40m

Sydney Kingsford Smith

Sat 2/7

2:00 pm-4:30 am

3 stops30h 30m

$1,036

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 1/29

6:45 am-7:25 am

2 stops32h 40m

Sydney Kingsford Smith

Sat 2/7

6:00 am-9:02 pm

2 stops31h 02m

$1,044

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 4/28

3:29 pm-7:20 am

2 stops25h 51m

Sydney Kingsford Smith

Tue 5/12

9:20 am-8:26 pm

2 stops25h 06m

$1,054

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 $901. If you are unable to visit Sydney during the month of March, then departing from Detroit during the month October is also very affordable. Most momondo users find prices during this month for around $920.

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

The cheapest day to depart from Detroit to Sydney is on a Tuesday when prices can be found for as low as $1,226. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,601.

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 noon. momondo users have found flights departing from Detroit to Sydney at noon for as low as $981. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $1,536. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $965 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 $893 on momondo.

Can stopping save me money on Detroit to Sydney flights?

You could potentially save up to 24% 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	23h 56m
Direct flights	None

The fastest flight from Detroit to Sydney takes 23h 56m

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 07m 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 December 2025, 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 American Airlines (34% of total bookings). The next most popular airlines are Delta (29%), United Airlines (23%), and Qantas Airways (14%).

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 10,497 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $816	Free Cancellation	Rating 7.5 947 reviews	Search Qantas Airways flights
Delta	PriceFrom $823	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
American Airlines	PriceFrom $839	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
United Airlines	PriceFrom $842	Free Cancellation	Rating 7.4 9,064 reviews	Search United Airlines flights
Air New Zealand	PriceFrom $864	Free Cancellation	Rating 8.0 542 reviews	Search Air New Zealand flights

Parramatta

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Katoomba

Wollongong

Randwick

Coogee

Manly

Penrith

Cronulla

Lithgow

Leura

Charlestown

Terrigal

Swansea

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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Flights to Canberrafrom $976

Flights to Darwinfrom $1,051

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Flights to Proserpinefrom $1,457

Fly to other destinations from Detroit

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Flights from Detroit Metropolitan Wayne County to Baltimore/Washington

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Flights from Detroit Metropolitan Wayne County to Tampa

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Flights from Detroit Metropolitan Wayne County to New York LaGuardia

Cheap flights from Detroit to Sydney from $538

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 3/15. 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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Qantas Airways flights from Detroit to Sydney

Our best Qantas Airways deals on Detroit to Sydney flight tickets

Air Canada flights from Detroit to Sydney

Our best Air Canada deals on Detroit to Sydney flight tickets

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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

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

What is the cheapest month to fly to Sydney?

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

The cheapest day to depart from Detroit to Sydney is on a Tuesday when prices can be found for as low as $1,226. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,601.

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

How far in advance should I book a flight to Sydney?

Can stopping save me money on Detroit to Sydney flights?

You could potentially save up to 24% on your flight if you consider stops on a Detroit to Sydney flight.

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

Qantas Airways, Air Canada, and Delta are the most popular carriers operating from Detroit to Sydney Kingsford Smith

What airlines fly to Sydney?

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

Dallas (DFW) was the most common stop: 59% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Detroit to Sydney?

Flights via Dallas (DFW) offer the lowest average round-trip price of $828.

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 15m.

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

Houston (IAH) has the shortest average layover time for this route: 1h 24m.

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

How far is Detroit to Sydney Kingsford Smith by plane?

When did momondo last update prices for flights from Detroit to Sydney Kingsford Smith Airport?

How many operators does momondo search 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?

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

What is the most popular airline 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?

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

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

How can momondo help me find flights from Detroit to Sydney?

I’m not ready to book a flight from Detroit to Sydney right now. Can momondo alert me if prices change?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales