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Cheap flights from Detroit to Sydney from $472

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 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
7:16 pm - 6:55 am
DTW
-
SYD
21h 39m
1 stop
Qantas Airways Logo
12:00 pm - 6:26 pm
SYD
-
DTW
20h 26m
1 stop
$937Qantas Airways
Wed, Apr 22 - Thu, May 7
American Airlines Logo
3:42 pm - 7:05 am
DTW
-
SYD
25h 23m
2 stops
American Airlines Logo
9:10 am - 10:25 pm
SYD
-
DTW
27h 15m
2 stops
$949American Airlines
Fri, May 15 - Tue, May 26
American Airlines Logo
5:32 pm - 7:05 am
DTW
-
SYD
23h 33m
2 stops
American Airlines Logo
9:10 am - 9:21 pm
SYD
-
DTW
26h 11m
2 stops
$950American Airlines
Fri, May 1 - Sun, May 10
American Airlines Logo
6:02 pm - 7:05 am
DTW
-
SYD
23h 03m
2 stops
American Airlines Logo
9:10 am - 6:26 pm
SYD
-
DTW
23h 16m
2 stops
$951American Airlines
Wed, Apr 22 - Thu, May 7
Multiple Airlines Logo
3:46 pm - 12:05 pm
DTW
-
SYD
30h 19m
2 stops
Multiple Airlines Logo
1:15 pm - 7:20 am
SYD
-
DTW
32h 05m
2 stops
$991Multiple Airlines
Mon, Apr 20 - Sun, May 3
Qantas Airways Logo
7:16 pm - 6:55 am
DTW
-
SYD
21h 39m
1 stop
Qantas Airways Logo
12:00 pm - 6:26 pm
SYD
-
DTW
20h 26m
1 stop
$992Qantas Airways
Sat, Apr 25 - Sat, May 9
Multiple Airlines Logo
3:46 pm - 11:50 am
DTW
-
SYD
30h 04m
2 stops
Multiple Airlines Logo
1:15 pm - 7:20 am
SYD
-
DTW
32h 05m
2 stops
$998Multiple Airlines
Tue, Apr 28 - Tue, May 5
American Airlines Logo
6:02 pm - 7:05 am
DTW
-
SYD
23h 03m
2 stops
American Airlines Logo
9:10 am - 6:26 pm
SYD
-
DTW
23h 16m
2 stops
$999American Airlines
Sat, Apr 25 - Sat, May 9
American Airlines Logo
3:42 pm - 7:05 am
DTW
-
SYD
25h 23m
2 stops
American Airlines Logo
9:10 am - 9:43 pm
SYD
-
DTW
26h 33m
2 stops
$1,000American Airlines
Fri, May 1 - Fri, May 8
Delta Logo
6:50 pm - 6:50 am
DTW
-
SYD
22h 00m
1 stop
Delta Logo
9:15 am - 11:59 pm
SYD
-
DTW
28h 44m
2 stops
$1,038Delta
Tue, May 12 - Sun, May 24

American Airlines flights from Detroit to Sydney

Our best American Airlines deals on Detroit to Sydney flight tickets
American Airlines
May 15
DTW3:42 pmDetroit Metropolitan Wayne County
25h 23m
2 stops
SYD7:05 amSydney Kingsford Smith
May 26
SYD9:10 amSydney Kingsford Smith
27h 15m
2 stops
DTW10:25 pmDetroit Metropolitan Wayne County
$949
American Airlines
May 1
DTW5:32 pmDetroit Metropolitan Wayne County
23h 33m
2 stops
SYD7:05 amSydney Kingsford Smith
May 10
SYD9:10 amSydney Kingsford Smith
26h 11m
2 stops
DTW9:21 pmDetroit Metropolitan Wayne County
$950
American Airlines
Apr 22
DTW6:02 pmDetroit Metropolitan Wayne County
23h 03m
2 stops
SYD7:05 amSydney Kingsford Smith
May 7
SYD9:10 amSydney Kingsford Smith
23h 16m
2 stops
DTW6:26 pmDetroit Metropolitan Wayne County
$951

Delta flights from Detroit to Sydney

Our best Delta deals on Detroit to Sydney flight tickets
Delta
May 12
DTW6:50 pmDetroit Metropolitan Wayne County
22h 00m
1 stop
SYD6:50 amSydney Kingsford Smith
May 24
SYD9:15 amSydney Kingsford Smith
28h 44m
2 stops
DTW11:59 pmDetroit Metropolitan Wayne County
$1,038
Delta
May 25
DTW2:06 pmDetroit Metropolitan Wayne County
26h 44m
1 stop
SYD6:50 amSydney Kingsford Smith
Jun 9
SYD9:15 amSydney Kingsford Smith
27h 49m
1 stop
DTW11:04 pmDetroit Metropolitan Wayne County
$1,050
Delta
May 3
DTW9:32 amDetroit Metropolitan Wayne County
31h 18m
2 stops
SYD6:50 amSydney Kingsford Smith
May 10
SYD9:15 amSydney Kingsford Smith
28h 44m
2 stops
DTW11:59 pmDetroit Metropolitan Wayne County
$1,055

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 March 15, 2026.
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

Cheapest round-trip
Quickest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 4/22

7:16 pm-6:55 am

1 stop21h 39m

Sydney Kingsford Smith

Thu 5/7

12:00 pm-6:26 pm

1 stop20h 26m

$937

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 5/15

3:42 pm-7:05 am

2 stops25h 23m

Sydney Kingsford Smith

Tue 5/26

9:10 am-10:25 pm

2 stops27h 15m

$949

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 5/1

5:32 pm-7:05 am

2 stops23h 33m

Sydney Kingsford Smith

Sun 5/10

9:10 am-9:21 pm

2 stops26h 11m

$950

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 4/22

6:02 pm-7:05 am

2 stops23h 03m

Sydney Kingsford Smith

Thu 5/7

9:10 am-6:26 pm

2 stops23h 16m

$951

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 4/20

3:46 pm-12:05 pm

2 stops30h 19m

Sydney Kingsford Smith

Sun 5/3

1:15 pm-7:20 am

2 stops32h 05m

$991

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 4/25

7:16 pm-6:55 am

1 stop21h 39m

Sydney Kingsford Smith

Sat 5/9

12:00 pm-6:26 pm

1 stop20h 26m

$992

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 4/28

3:46 pm-11:50 am

2 stops30h 04m

Sydney Kingsford Smith

Tue 5/5

1:15 pm-7:20 am

2 stops32h 05m

$998

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 4/25

6:02 pm-7:05 am

2 stops23h 03m

Sydney Kingsford Smith

Sat 5/9

9:10 am-6:26 pm

2 stops23h 16m

$999

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 5/1

3:42 pm-7:05 am

2 stops25h 23m

Sydney Kingsford Smith

Fri 5/8

9:10 am-9:43 pm

2 stops26h 33m

$1,000

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 5/12

6:50 pm-6:50 am

1 stop22h 00m

Sydney Kingsford Smith

Sun 5/24

9:15 am-11:59 pm

2 stops28h 44m

$1,038

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, September 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 September, then departing from Detroit during the month March is also very affordable. Most momondo users find prices during this month for around $986.

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 $1,094 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 $949 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 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 53m

Direct flights

None
The fastest flight from Detroit to Sydney takes 21h 53m
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 53m 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
10,803 reviews
Search Air Canada flights
DeltaPriceFrom $766Free CancellationRating
7.9
8,292 reviews
Search Delta flights
American AirlinesPriceFrom $847Free CancellationRating
7.1
11,471 reviews
Search American Airlines flights
United AirlinesPriceFrom $854Free CancellationRating
7.4
9,429 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $860Free CancellationRating
7.5
1,004 reviews
Search Qantas Airways flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Katoomba
Parramatta
Wollongong
Penrith
Coogee
Manly
Randwick
Leura
Lithgow
Cronulla
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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