Cheap flights from Detroit to Sydney from $450

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 9/25. 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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Cheap round-trip flights

American Airlines Logo
12:24 pm - 7:05 amDTW-SYD
28h 41m2 stops
American Airlines Logo
10:10 am - 9:28 pmSYD-DTW
26h 18m2 stops
$821American Airlines
Find Deal
Wed, Sep 24 - Tue, Oct 7
American Airlines Logo
12:24 pm - 7:05 amDTW-SYD
28h 41m2 stops
American Airlines Logo
10:10 am - 9:50 pmSYD-DTW
26h 40m2 stops
$822American Airlines
Find Deal
Wed, Sep 24 - Tue, Oct 7
Qantas Airways Logo
4:05 pm - 6:55 amDTW-SYD
24h 50m1 stop
Qantas Airways Logo
12:10 pm - 10:33 pmSYD-DTW
24h 23m1 stop
$824Qantas Airways
Find Deal
Wed, Sep 24 - Fri, Oct 3
Delta Logo
12:16 pm - 6:35 amDTW-SYD
28h 19m1 stop
Delta Logo
10:25 am - 5:09 pmSYD-DTW
21h 44m1 stop
$825Delta
Find Deal
Wed, Sep 24 - Tue, Oct 7
United Airlines Logo
5:32 pm - 6:55 amDTW-SYD
23h 23m1 stop
United Airlines Logo
11:20 am - 4:40 pmSYD-DTW
20h 20m1 stop
$826United Airlines
Find Deal
Mon, Sep 22 - Sun, Oct 5
United Airlines Logo
2:10 pm - 6:55 amDTW-SYD
26h 45m2 stops
United Airlines Logo
11:20 am - 4:40 pmSYD-DTW
20h 20m1 stop
$827United Airlines
Find Deal
Wed, Sep 24 - Tue, Oct 7
Qantas Airways Logo
6:07 pm - 6:55 amDTW-SYD
22h 48m1 stop
Qantas Airways Logo
12:10 pm - 10:33 pmSYD-DTW
24h 23m1 stop
$841Qantas Airways
Find Deal
Sat, Sep 20 - Mon, Sep 22
Delta Logo
4:00 pm - 6:35 amDTW-SYD
24h 35m1 stop
Delta Logo
10:25 am - 7:20 pmSYD-DTW
23h 55m1 stop
$864Delta
Find Deal
Sat, Sep 27 - Sun, Oct 5
Air Canada Logo
8:35 pm - 8:20 amDTW-SYD
44h 45m2 stops
Air Canada Logo
11:20 am - 5:35 pmSYD-DTW
46h 15m2 stops
$1,071Air Canada
Find Deal
Fri, Oct 17 - Tue, Nov 4
Air Canada Logo
8:35 pm - 8:20 amDTW-SYD
44h 45m2 stops
Air Canada Logo
11:20 am - 5:35 pmSYD-DTW
46h 15m2 stops
$1,074Air Canada
Find Deal
Fri, Oct 17 - Fri, Nov 7

American Airlines flights from Detroit to Sydney

Our best American Airlines deals on Detroit to Sydney flight tickets
American Airlines
Sep 24
DTW12:24 pmDetroit Metropolitan Wayne County
28h 41m
2 stops
SYD7:05 amSydney Kingsford Smith
Oct 7
SYD10:10 amSydney Kingsford Smith
26h 18m
2 stops
DTW9:28 pmDetroit Metropolitan Wayne County
American Airlines
Sep 24
DTW12:24 pmDetroit Metropolitan Wayne County
28h 41m
2 stops
SYD7:05 amSydney Kingsford Smith
Oct 7
SYD10:10 amSydney Kingsford Smith
26h 40m
2 stops
DTW9:50 pmDetroit Metropolitan Wayne County
American Airlines
Sep 24
DTW11:55 amDetroit Metropolitan Wayne County
29h 00m
1 stop
SYD6:55 amSydney Kingsford Smith
Oct 7
SYD10:10 amSydney Kingsford Smith
26h 18m
2 stops
DTW9:28 pmDetroit Metropolitan Wayne County

Delta flights from Detroit to Sydney

Our best Delta deals on Detroit to Sydney flight tickets
Delta
Sep 24
DTW12:16 pmDetroit Metropolitan Wayne County
28h 19m
1 stop
SYD6:35 amSydney Kingsford Smith
Oct 7
SYD10:25 amSydney Kingsford Smith
21h 44m
1 stop
DTW5:09 pmDetroit Metropolitan Wayne County
Delta
Sep 27
DTW4:00 pmDetroit Metropolitan Wayne County
24h 35m
1 stop
SYD6:35 amSydney Kingsford Smith
Oct 5
SYD10:25 amSydney Kingsford Smith
23h 55m
1 stop
DTW7:20 pmDetroit Metropolitan Wayne County
Delta
Sep 25
DTW12:16 pmDetroit Metropolitan Wayne County
28h 19m
1 stop
SYD6:35 amSydney Kingsford Smith
Sep 30
SYD9:25 amSydney Kingsford Smith
23h 19m
2 stops
DTW6:44 pmDetroit Metropolitan Wayne County

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Detroit to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 9/24

12:24 pm-7:05 am

2 stops28h 41m

Sydney Kingsford Smith

Tue 10/7

10:10 am-9:28 pm

2 stops26h 18m

$821

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 9/24

12:24 pm-7:05 am

2 stops28h 41m

Sydney Kingsford Smith

Tue 10/7

10:10 am-9:50 pm

2 stops26h 40m

$822

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 9/24

4:05 pm-6:55 am

1 stop24h 50m

Sydney Kingsford Smith

Fri 10/3

12:10 pm-10:33 pm

1 stop24h 23m

$824

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 9/24

12:16 pm-6:35 am

1 stop28h 19m

Sydney Kingsford Smith

Tue 10/7

10:25 am-5:09 pm

1 stop21h 44m

$825

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 9/22

5:32 pm-6:55 am

1 stop23h 23m

Sydney Kingsford Smith

Sun 10/5

11:20 am-4:40 pm

1 stop20h 20m

$826

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 9/24

2:10 pm-6:55 am

2 stops26h 45m

Sydney Kingsford Smith

Tue 10/7

11:20 am-4:40 pm

1 stop20h 20m

$827

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 9/20

6:07 pm-6:55 am

1 stop22h 48m

Sydney Kingsford Smith

Mon 9/22

12:10 pm-10:33 pm

1 stop24h 23m

$841

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 9/27

4:00 pm-6:35 am

1 stop24h 35m

Sydney Kingsford Smith

Sun 10/5

10:25 am-7:20 pm

1 stop23h 55m

$864

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 10/17

8:35 pm-8:20 am

2 stops44h 45m

Sydney Kingsford Smith

Tue 11/4

11:20 am-5:35 pm

2 stops46h 15m

$1,071

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 10/17

8:35 pm-8:20 am

2 stops44h 45m

Sydney Kingsford Smith

Fri 11/7

11:20 am-5:35 pm

2 stops46h 15m

$1,074

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, August 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 $914. If you are unable to visit Sydney during the month of August, then departing from Detroit during the month February is also very affordable. Most momondo users find prices during this month for around $919.

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 $1,003 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 $943 on momondo.

Can stopping save me money on Detroit to Sydney flights?

You could potentially save up to 2% 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

Direct flights

None
There are no direct flights from Detroit to Sydney. There are no popular flight routes 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 09m 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?

  • 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?

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 CanadaPriceFrom $723Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $831Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Qantas AirwaysPriceFrom $838Free CancellationRating
7.5
907 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $840Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $842Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air New ZealandPriceFrom $864Free CancellationRating
8.0
505 reviews
Search Air New Zealand flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Cronulla
Coogee
Lithgow
Penrith
Manly
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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1 adult
Fri 10/17
Fri 10/24

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