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Cheap flights from Detroit to Sydney from $791

DTT — SYD
17 Oct — 24 Oct1
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

Sun 1/1108:45 -
2 stops31h 50m
Sun 8/1107:30 -
2 stops31h 26m
Deal found 17/9$1,779
Mon 19/1015:31 -
2 stops25h 24m
Mon 26/1009:20 -
1 stop21h 44m
Deal found 16/9$1,838
Wed 30/915:50 -
1 stop25h 00m
Wed 14/1010:15 -
1 stop21h 54m
Deal found 16/9$1,840
Tue 29/915:50 -
1 stop25h 00m
Wed 14/1010:15 -
1 stop28h 27m
Deal found 14/9$1,841
Wed 30/910:30 -
2 stops30h 20m
Tue 20/1010:15 -
2 stops23h 24m
Deal found 16/9$1,845
Tue 29/915:31 -
2 stops25h 24m
Mon 19/1010:30 -
2 stops22h 35m
Deal found 15/9$1,847
Sat 5/1220:25 -
1 stop44h 05m
Mon 10/509:15 -
1 stop21h 51m
Deal found 16/9$1,855
Fri 30/1008:30 -
2 stops33h 05m
Fri 6/1111:50 -
2 stops26h 37m
Deal found 13/9$1,871
Wed 2/1218:18 -
1 stop22h 12m
Mon 1/310:40 -
1 stop22h 26m
Deal found 13/9$1,873
Sun 29/1108:25 -
1 stop32h 05m
Sun 9/509:15 -
1 stop19h 41m
Deal found 16/9$1,879
Sun 1/1111:38 -
2 stops26h 47m
Sun 8/1114:05 -
1 stop23h 01m
Deal found 17/9$1,880

Find flight deals from Detroit to Sydney

Round-trip from

$1,730

One-way from

$791

Popular in

July

Cheapest in

March

Average price

$1,914
Qantas Airways
  • Qantas Airways
  • 31/1-23/2
  • 3 total stops
  • 48h 37m total
  • Detroit to Sydney
Search Deals
24/10-31/12
  • 24/10-31/12
  • 2 total stops
  • 42h 50m total
  • Detroit to Sydney
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Detroit to Sydney that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Mon 8/2

05:20-08:30

2 stops35h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$973

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Sun 7/2

05:20-08:30

2 stops35h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$973

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Mon 18/1

20:05-06:50

2 stops42h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$979

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Sat 13/2

20:05-06:50

2 stops42h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$980

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Wed 24/2

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$980

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Wed 24/2

06:10-06:25

1 stop32h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$984
Fastest return journey

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Fri 12/2

14:15-09:05

2 stops26h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,095

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Tue 12/1

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,181

DetroitSydney

DTW Detroit Metropolitan Wayne County - SYD Sydney Kingsford Smith

DTWSYD

Detroit Metropolitan Wayne County

Wed 13/1

08:25-08:30

2 stops32h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,191

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 11/5

09:15-17:06

1 stop21h 51m

$1,840

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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, March is the cheapest month in which you can book a flight from Detroit to Sydney (average of $1,420). Flying from Detroit to Sydney in October is currently the most expensive (average of $1,924). 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 $1,267 and $2,365 in January.
The cheapest return price found within the last 5 days was $1,730 on Qantas Airways (31 Jan–23 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 $1,679.

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
10,214 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.4
Good
10,214 reviews
United Airlines
7.4
Good
10,214 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • How long is the flight from Detroit to Sydney?

    Airlines like Delta and United Airlines fly from Detroit to Sydney in about 26h 45m. The time it takes to get you to your destination can typically vary by up to 5h 54m. 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 $1,565 on this airline. Qantas Airways is 8% 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, March is the cheapest month in which you can book a flight from Detroit to Sydney (average of $1,420). Flying from Detroit to Sydney in October is currently the most expensive (average of $1,924). 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$1,565Average$1,849FlexibilityNo 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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