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Cheap flights from Detroit to Sydney from $857

DTT — SYD
20 Sep — 27 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Detroit to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to Sydney

Tue 3/1108:45 -
2 stops31h 50m
Fri 13/1109:55 -
2 stops28h 32m
Deal found 18/8$1,790
Fri 30/1016:45 -
2 stops24h 50m
Sat 7/1119:25 -
2 stops43h 31m
Deal found 16/8$1,814
Tue 15/917:10 -
1 stop23h 45m
Tue 22/912:00 -
1 stop21h 01m
Deal found 16/8$1,843
Wed 4/1111:38 -
1 stop27h 17m
Fri 13/1114:05 -
1 stop20h 29m
Deal found 16/8$1,852
Fri 30/1016:45 -
2 stops26h 50m
Fri 6/1111:50 -
2 stops26h 37m
Deal found 16/8$1,854
Fri 30/1016:11 -
1 stop23h 44m
Fri 6/1114:05 -
1 stop20h 29m
Deal found 16/8$1,857
Fri 18/906:15 -
2 stops36h 30m
Fri 13/1109:55 -
2 stops28h 32m
Deal found 17/8$1,869
Mon 26/1016:11 -
1 stop23h 44m
Sun 15/1114:05 -
1 stop20h 29m
Deal found 20/8$1,877

Find flight deals from Detroit to Sydney

Round-trip from

$1,673

One-way from

$857

Popular in

July

Cheapest in

March

Average price

$1,565
1/2-28/2
  • 1/2-28/2
  • 3 total stops
  • 49h 30m total
  • Detroit to Sydney
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16/11
  • 16/11
  • 3 total stops
  • 54h 17m total
  • Detroit to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($188 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($46 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
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 return flight

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Wed 4/11

14:00-07:00

2 stops25h 00m

Sydney Kingsford Smith

Wed 18/11

09:15-13:53

1 stop20h 38m

$1,902

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Mon 19/10

12:40-07:50

1 stop28h 10m

Sydney Kingsford Smith

Fri 30/10

09:40-23:42

1 stop29h 02m

$1,908

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Wed 30/9

12:30-07:00

2 stops28h 30m

Sydney Kingsford Smith

Mon 19/10

11:20-18:37

1 stop22h 17m

$1,908

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Fri 18/9

20:29-06:50

1 stop20h 21m

Sydney Kingsford Smith

Fri 13/11

10:40-22:55

1 stop28h 15m

$1,915
Fastest return journey

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Thu 19/11

17:05-09:20

1 stop24h 15m

Sydney Kingsford Smith

Wed 2/12

09:15-13:45

1 stop20h 30m

$1,971

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Tue 1/9

07:01-20:10

2 stops47h 09m

Sydney Kingsford Smith

Wed 9/9

07:40-23:43

2 stops30h 03m

$2,013

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Wed 9/9

20:55-19:10

2 stops32h 15m

Sydney Kingsford Smith

Fri 9/10

22:05-18:50

2 stops35h 45m

$2,055

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Tue 1/12

08:25-08:30

1 stop32h 05m

Sydney Kingsford Smith

Tue 29/12

10:40-06:00

1 stop35h 20m

$2,106

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Tue 3/11

21:05-19:25

2 stops30h 20m

Sydney Kingsford Smith

Fri 6/11

21:35-19:00

2 stops37h 25m

$2,130

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Tue 1/9

12:49-06:50

1 stop28h 01m

Sydney Kingsford Smith

Wed 9/9

09:15-23:40

1 stop28h 25m

$2,265

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Detroit to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Detroit with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Detroit to Sydney

What is the cheapest month to book a flight from Detroit to Sydney?

Currently, November is the cheapest month in which you can book a flight from Detroit to Sydney (average of $1,399). Flying from Detroit to Sydney in July is currently the most expensive (average of $1,892). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Detroit to Sydney?

Airfare is typical for this route at the moment.
Detroit to Sydney flights typically cost between $1,271 and $2,166 in February.
The cheapest return price found within the last 5 days was $1,673 on Multiple Airlines (1 Feb–28 Feb).

What’s the top stopover airport for flights from Detroit to Sydney?

Dallas (DFW) – chosen by Cheapflights users on 70% of one-stop itineraries from Detroit to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from Detroit to Sydney?

San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $1,680.

What’s the fastest stopover option from Detroit to Sydney?

Flights via Houston (IAH) have the shortest average one-way travel time for one-stop routes: 22h 13m.

Which airport typically offers the quickest stopover for flights from Detroit to Sydney?

Flights via Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 29m.

How far ahead should I book a flight from Detroit to Sydney?

The price you pay for your flight from Detroit to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown with United Airlines from Detroit to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,102 reviews
Check prices

Crew

8.1

Food

6.7

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
United Airlines
7.4
Good
10,102 reviews
United Airlines
7.4
Good
10,102 reviews
Check prices

Crew

8.1

Food

6.7

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!

Related info for your journey

  • How long is the flight from Detroit to Sydney?

    Airlines like United Airlines and Delta fly from Detroit to Sydney in about 25h. The time it takes to get you to your destination can typically vary by up to 3h 10m. Airlines will cover a distance of 15226 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Detroit to Sydney round-trip?

    Our cheapest airline available from Detroit to Sydney is Qantas Airways. Our recent data shows that you can find tickets from as low as $1,566 on this airline. Qantas Airways is 3% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Detroit to Sydney that include hotel bookings?

    Yes. In addition to deals on Detroit to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Sydney.

  • Can I find deals for business class flights from Detroit to Sydney?

    Yes. Cheapflights offers flight deals from Detroit to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Detroit to Sydney?

    Currently, November is the cheapest month in which you can book a flight from Detroit to Sydney (average of $1,399). Flying from Detroit to Sydney in July is currently the most expensive (average of $1,892). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Detroit to Sydney

O'Hare Intl to Sydney flights
Detroit to Sydney flights
Midway to Sydney flights

Top airline flying from Detroit to Sydney

AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,566Average$1,748FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Detroit to Sydney?

When you search for this flight from Detroit to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Detroit to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Detroit to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Detroit to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Detroit to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Detroit to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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