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Cheap flights from Detroit to Sydney from $659

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
21 mag — 28 mag1
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 21 aprile 2026.

sab 3/1007:00
DTW
-
SYD
3 stops38h 50m
Multiple Airlines
sab 24/1014:15
SYD
-
DTW
3 stops29h 50m
Multiple Airlines
Deal found 20/4$1,593
mar 2/616:10
DTW
-
SYD
2 stops24h 45m
United Airlines
mar 9/609:30
SYD
-
DTW
2 stops23h 02m
United Airlines
Deal found 18/4$1,640
dom 19/416:18
DTW
-
SYD
2 stops24h 42m
United Airlines
mar 5/510:20
SYD
-
DTW
1 stop22h 30m
United Airlines
Deal found 17/4$1,646
sab 25/420:50
DTW
-
SYD
1 stop44h 00m
Delta
lun 4/509:15
SYD
-
DTW
2 stops28h 43m
Delta
Deal found 17/4$1,647
lun 11/508:35
DTW
-
SYD
1 stop32h 20m
United Airlines
mer 20/510:20
SYD
-
DTW
1 stop22h 30m
United Airlines
Deal found 16/4$1,653
lun 20/412:23
DTW
-
SYD
1 stop28h 27m
Delta
mer 13/509:15
SYD
-
DTW
1 stop28h 04m
Delta
Deal found 20/4$1,654
lun 20/417:59
DTW
-
SYD
2 stops22h 51m
Delta
lun 11/509:15
SYD
-
DTW
1 stop24h 01m
Delta
Deal found 17/4$1,660
mer 3/614:10
DTW
-
SYD
2 stops26h 50m
United Airlines
mer 10/609:30
SYD
-
DTW
2 stops24h 52m
United Airlines
Deal found 20/4$1,661
mer 10/617:29
DTW
-
SYD
1 stop23h 26m
United Airlines
dom 21/610:20
SYD
-
DTW
1 stop33h 00m
United Airlines
Deal found 16/4$1,667
sab 23/520:50
DTW
-
SYD
1 stop44h 00m
Delta
dom 7/609:15
SYD
-
DTW
1 stop28h 07m
Delta
Deal found 20/4$1,668
lun 10/811:43
DTW
-
SYD
1 stop29h 12m
American Airlines
mer 19/812:00
SYD
-
DTW
1 stop20h 32m
American Airlines
Deal found 16/4$1,670
mar 2/616:10
DTW
-
SYD
1 stop24h 45m
American Airlines
mar 23/612:00
SYD
-
DTW
1 stop20h 30m
American Airlines
Deal found 20/4$1,671

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 21 aprile 2026.

Round-trip from

$1,593

One-way from

$659

Popular in

April

Cheapest in

March

Average price

$1,906
3/10-24/10
  • 3/10-24/10
  • 6 total stops
  • 68h 40m total
  • Detroit to Sydney
Search Deals
2/5
  • 2/5
  • 2 total stops
  • 37h 25m total
  • Detroit to Sydney
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($49 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 21 aprile 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

lun 18/5

08:35-06:55

1 stop32h 20m

Sydney Kingsford Smith

mer 3/6

10:20-16:27

1 stop20h 07m

$1,654
Fastest return journey

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

mer 20/5

15:34-07:00

2 stops25h 26m

Sydney Kingsford Smith

mer 27/5

10:20-16:23

1 stop20h 03m

$1,654

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

mer 5/8

15:32-06:55

2 stops25h 23m

Sydney Kingsford Smith

mer 12/8

10:20-18:01

1 stop21h 41m

$1,654

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

mar 19/5

08:35-06:55

1 stop32h 20m

Sydney Kingsford Smith

mar 26/5

10:20-16:23

1 stop20h 03m

$1,654

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

dom 2/8

11:00-07:00

2 stops30h 00m

Sydney Kingsford Smith

dom 9/8

09:30-22:19

2 stops26h 49m

$1,661

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

ven 1/5

08:51-06:50

1 stop31h 59m

Sydney Kingsford Smith

dom 10/5

09:15-23:19

1 stop28h 04m

$1,724

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

ven 1/5

08:51-06:50

1 stop31h 59m

Sydney Kingsford Smith

dom 17/5

09:15-23:19

1 stop28h 04m

$1,724

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

ven 1/5

16:10-07:00

2 stops24h 50m

Sydney Kingsford Smith

dom 17/5

09:30-19:00

2 stops23h 30m

$1,731
Cheapest one-way

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

sab 2/5

08:25-11:50

2 stops37h 25m

$659

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

sab 1/8

07:45-22:10

3 stops48h 25m

$766

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 18 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

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

Use this chart to determine the optimal time to book a return flight from Detroit to Sydney. Price data was last updated on 17 April 2026.

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

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 $251). Flying from Detroit to Sydney in November is currently the most expensive (average of $1,145). 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.

Houston (IAH) – chosen by Cheapflights users on 33% 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 $1,421.

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.

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 21 aprile 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
9,613 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,613 reviews
United Airlines
7.4
Good
9,613 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,645 reviews
United Airlines
7.4
Good
9,613 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 United Airlines fly from Detroit to Sydney in about 32h 20m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 15226 km.

  • 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 $1,556 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 $251). Flying from Detroit to Sydney in November is currently the most expensive (average of $1,145). 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
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
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 21 aprile 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,556Average$1,737FlexibilityNo 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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