Cheap flights from Detroit to Sydney from $674

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 25/9. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Detroit to Sydney

Cheap return flights

United Airlines Logo
11:00 - 07:00DTW-SYD
30h 00m2 stops
United Airlines Logo
12:10 - 22:15SYD-DTW
26h 05m2 stops
$1,254United Airlines
Find Deal
Tue, 30 Sep - Mon, 29 Dec
Qantas Airways Logo
17:42 - 06:55DTW-SYD
22h 13m1 stop
Qantas Airways Logo
14:05 - 18:43SYD-DTW
20h 38m1 stop
$1,272Qantas Airways
Find Deal
Mon, 27 Oct - Sun, 9 Nov
United Airlines Logo
18:05 - 06:55DTW-SYD
46h 50m2 stops
United Airlines Logo
11:20 - 16:40SYD-DTW
20h 20m1 stop
$1,274United Airlines
Find Deal
Sat, 27 Sep - Mon, 6 Oct
Delta Logo
16:00 - 06:35DTW-SYD
24h 35m1 stop
Delta Logo
10:25 - 19:20SYD-DTW
23h 55m1 stop
$1,295Delta
Find Deal
Sat, 27 Sep - Sun, 5 Oct
American Airlines Logo
16:09 - 09:00DTW-SYD
25h 51m2 stops
American Airlines Logo
11:20 - 22:30SYD-DTW
27h 10m2 stops
$1,322American Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
American Airlines Logo
15:57 - 08:05DTW-SYD
25h 08m2 stops
American Airlines Logo
14:05 - 00:26SYD-DTW
25h 21m1 stop
$1,323American Airlines
Find Deal
Mon, 20 Oct - Sun, 2 Nov
American Airlines Logo
12:04 - 07:25DTW-SYD
27h 21m2 stops
American Airlines Logo
17:45 - 00:28SYD-DTW
22h 43m2 stops
$1,325American Airlines
Find Deal
Mon, 26 Jan - Mon, 16 Feb
Delta Logo
08:32 - 08:30DTW-SYD
31h 58m1 stop
Delta Logo
09:40 - 22:14SYD-DTW
27h 34m1 stop
$1,341Delta
Find Deal
Thu, 5 Mar - Tue, 17 Mar
Air Canada Logo
20:35 - 08:20DTW-SYD
44h 45m2 stops
Air Canada Logo
11:20 - 17:35SYD-DTW
46h 15m2 stops
$1,605Air Canada
Find Deal
Fri, 17 Oct - Tue, 4 Nov
Air Canada Logo
20:35 - 08:20DTW-SYD
44h 45m2 stops
Air Canada Logo
11:20 - 17:35SYD-DTW
46h 15m2 stops
$1,609Air Canada
Find Deal
Fri, 17 Oct - Fri, 7 Nov

American Airlines flights from Detroit to Sydney

Our best American Airlines deals on Detroit to Sydney flight tickets
American Airlines
24 Sept
DTW12:24Detroit Metropolitan Wayne County
28h 41m
2 stops
SYD07:05Sydney Kingsford Smith
7 Oct
SYD10:10Sydney Kingsford Smith
26h 18m
2 stops
DTW21:28Detroit Metropolitan Wayne County
American Airlines
24 Sept
DTW12:24Detroit Metropolitan Wayne County
28h 41m
2 stops
SYD07:05Sydney Kingsford Smith
7 Oct
SYD10:10Sydney Kingsford Smith
26h 40m
2 stops
DTW21:50Detroit Metropolitan Wayne County
American Airlines
24 Sept
DTW11:55Detroit Metropolitan Wayne County
29h 00m
1 stop
SYD06:55Sydney Kingsford Smith
7 Oct
SYD10:10Sydney Kingsford Smith
26h 18m
2 stops
DTW21:28Detroit Metropolitan Wayne County

United Airlines flights from Detroit to Sydney

Our best United Airlines deals on Detroit to Sydney flight tickets
United Airlines
22 Sept
DTW17:32Detroit Metropolitan Wayne County
23h 23m
1 stop
SYD06:55Sydney Kingsford Smith
5 Oct
SYD11:20Sydney Kingsford Smith
20h 20m
1 stop
DTW16:40Detroit Metropolitan Wayne County
United Airlines
24 Sept
DTW17:32Detroit Metropolitan Wayne County
23h 23m
1 stop
SYD06:55Sydney Kingsford Smith
7 Oct
SYD11:20Sydney Kingsford Smith
20h 20m
1 stop
DTW16:40Detroit Metropolitan Wayne County
United Airlines
30 Sept
DTW11:00Detroit Metropolitan Wayne County
30h 00m
2 stops
SYD07:00Sydney Kingsford Smith
29 Dec
SYD12:10Sydney Kingsford Smith
26h 05m
2 stops
DTW22:15Detroit Metropolitan Wayne County

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 17 September 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

Tue 30/9

11:00-07:00

2 stops30h 00m

Sydney Kingsford Smith

Mon 29/12

12:10-22:15

2 stops26h 05m

$1,254

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 27/10

17:42-06:55

1 stop22h 13m

Sydney Kingsford Smith

Sun 9/11

14:05-18:43

1 stop20h 38m

$1,272

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 27/9

18:05-06:55

2 stops46h 50m

Sydney Kingsford Smith

Mon 6/10

11:20-16:40

1 stop20h 20m

$1,274

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 27/9

16:00-06:35

1 stop24h 35m

Sydney Kingsford Smith

Sun 5/10

10:25-19:20

1 stop23h 55m

$1,295

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 1/11

16:09-09:00

2 stops25h 51m

Sydney Kingsford Smith

Sat 8/11

11:20-22:30

2 stops27h 10m

$1,322

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 20/10

15:57-08:05

2 stops25h 08m

Sydney Kingsford Smith

Sun 2/11

14:05-00:26

1 stop25h 21m

$1,323

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 26/1

12:04-07:25

2 stops27h 21m

Sydney Kingsford Smith

Mon 16/2

17:45-00:28

2 stops22h 43m

$1,325

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 5/3

08:32-08:30

1 stop31h 58m

Sydney Kingsford Smith

Tue 17/3

09:40-22:14

1 stop27h 34m

$1,341

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 17/10

20:35-08:20

2 stops44h 45m

Sydney Kingsford Smith

Tue 4/11

11:20-17:35

2 stops46h 15m

$1,605

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 17/10

20:35-08:20

2 stops44h 45m

Sydney Kingsford Smith

Fri 7/11

11:20-17:35

2 stops46h 15m

$1,609

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

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?

The month of August is, on average, the cheapest month to fly to Sydney from Detroit, with most prices found around $1,370. If you aren’t able to travel to Sydney during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,377.

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 $1,690. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,815.

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 $453. 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 $2,208 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 $1,503 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 $1,413 on momondo.

Can stopping save me money on Detroit to Sydney flights?

You could potentially save up to 43% 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 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.
  • 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 13m 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?

  • 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?

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
American AirlinesPriceFrom $1,400Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise 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.
1 adult
Fri 17/10
Fri 24/10

Find better results for your trip to Australia