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Cheap flights from Detroit to Sydney from $939

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
14 Aug — 21 Aug1
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
Explore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2026.

Fri 6/1115:50
DTW
-
SYD
2 stops28h 05m
Qantas Airways
Fri 20/1114:05
SYD
-
DTW
1 stop19h 40m
Qantas Airways
Deal found 13/7$1,728
Mon 17/817:00
DTW
-
SYD
1 stop23h 55m
Qantas Airways
Sun 30/812:00
SYD
-
DTW
1 stop20h 53m
Qantas Airways
Deal found 13/7$1,807
Wed 19/817:00
DTW
-
SYD
1 stop23h 55m
Qantas Airways
Sun 6/912:00
SYD
-
DTW
1 stop20h 53m
Qantas Airways
Deal found 11/7$1,846
Sun 16/817:28
DTW
-
SYD
2 stops23h 37m
American Airlines
Sun 30/809:10
SYD
-
DTW
2 stops23h 43m
American Airlines
Deal found 15/7$1,853
Wed 5/817:29
DTW
-
SYD
1 stop23h 26m
United Airlines
Sun 23/810:20
SYD
-
DTW
1 stop21h 46m
United Airlines
Deal found 13/7$1,863
Mon 10/818:25
DTW
-
SYD
1 stop22h 25m
Delta
Mon 17/809:15
SYD
-
DTW
1 stop28h 28m
Delta
Deal found 13/7$1,865
Mon 3/816:17
DTW
-
SYD
2 stops25h 13m
American Airlines
Mon 10/812:00
SYD
-
DTW
1 stop24h 58m
American Airlines
Deal found 12/7$1,866
Sun 16/816:27
DTW
-
SYD
2 stops24h 23m
Delta
Sun 30/809:15
SYD
-
DTW
1 stop21h 50m
Delta
Deal found 15/7$1,871
Tue 20/1016:10
DTW
-
SYD
1 stop23h 45m
Qantas Airways
Sun 1/1114:05
SYD
-
DTW
1 stop19h 40m
Qantas Airways
Deal found 15/7$1,884
Sat 22/814:10
DTW
-
SYD
2 stops26h 50m
United Airlines
Sun 30/810:20
SYD
-
DTW
1 stop21h 46m
United Airlines
Deal found 13/7$1,935
Sun 26/715:52
DTW
-
SYD
2 stops25h 38m
American Airlines
Sat 8/809:10
SYD
-
DTW
2 stops26h 23m
American Airlines
Deal found 13/7$1,937
Tue 1/917:00
DTW
-
SYD
1 stop23h 55m
American Airlines
Wed 9/912:00
SYD
-
DTW
1 stop21h 01m
American Airlines
Deal found 13/7$1,938

Find flight deals from Detroit to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 July 2026.

Round-trip from

$1,728

One-way from

$939

Popular in

April

Cheapest in

September

Average price

$1,938
Qantas Airways
  • Qantas Airways
  • 6/11-20/11
  • 3 total stops
  • 47h 45m total
  • Detroit to Sydney
Search Deals
Qantas Airways
  • Qantas Airways
  • 1/9
  • 1 total stop
  • 23h 55m total
  • Detroit to Sydney
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($48 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 15 July 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 return flight

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 16/8

12:30-06:50

2 stops28h 20m

Sydney Kingsford Smith

Sun 30/8

09:15-23:59

2 stops28h 44m

$1,871

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 4/10

14:02-07:55

2 stops26h 53m

Sydney Kingsford Smith

Wed 14/10

11:20-18:05

2 stops21h 45m

$1,950

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 30/9

16:20-06:55

2 stops24h 35m

Sydney Kingsford Smith

Mon 19/10

10:30-18:05

2 stops22h 35m

$1,950

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 3/10

10:30-06:50

2 stops30h 20m

Sydney Kingsford Smith

Sun 18/10

10:15-17:10

1 stop21h 55m

$2,022

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 29/12

15:55-08:30

2 stops24h 35m

Sydney Kingsford Smith

Tue 2/2

10:40-19:14

1 stop24h 34m

$2,026
Fastest return journey

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 2/10

19:40-06:55

1 stop21h 15m

Sydney Kingsford Smith

Sat 17/10

11:20-18:37

1 stop22h 17m

$2,086

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 1/10

18:18-06:50

1 stop22h 32m

Sydney Kingsford Smith

Fri 16/10

10:15-20:39

2 stops25h 24m

$2,094

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 1/10

19:52-06:55

1 stop21h 03m

Sydney Kingsford Smith

Tue 20/10

18:05-21:27

2 stops42h 22m

$2,194

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 29/9

17:39-18:50

2 stops35h 11m

Sydney Kingsford Smith

Thu 15/10

20:45-16:57

2 stops35h 12m

$2,314
Cheapest one-way

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 27/8

08:30-19:10

3 stops44h 40m

$1,012

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 17 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 $259). Flying from Detroit to Sydney in November is currently the most expensive (average of $1,179). 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?

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

Share of one-stop return flights from Detroit to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Dallas (DFW) – chosen by Cheapflights users on 63% of one-stop itineraries from Detroit to Sydney on Cheapflights.

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

Average return fare for one-stop flights from Detroit to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $1,719.

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

Shortest average travel time for one-stop one-way flights from Detroit to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

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?

Average stopover duration for one-stop one-way flights from Detroit to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

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 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 15 July 2026.
Read reviews from past customers who have flown with United Airlines and American 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
9,988 reviews
Check prices

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,June 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,988 reviews
United Airlines
7.4
Good
9,988 reviews
Check prices

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,June 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,806 reviews
United Airlines
7.4
Good
9,988 reviews
Check prices

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,June 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Detroit to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Detroit to Sydney?

    Airlines like Delta and United Airlines fly from Detroit to Sydney in about 26h 53m. The time it takes to get you to your destination can typically vary by up to 1h 27m. 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 $1,602 on this airline.

  • 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 $259). Flying from Detroit to Sydney in November is currently the most expensive (average of $1,179). 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
Katoomba
Manly
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Detroit to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Sydney flights
Midway to Sydney flights
Detroit to Sydney flights

Top airline flying from Detroit to Sydney

Discover the top airline that operate flights from Detroit to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 15 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,602Average$1,789FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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