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Cheap flights from Detroit to Sydney from $723

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
29 Apr — 6 May1
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 30 March 2026.

Mon 27/415:42
DTW
-
SYD
1 stop25h 13m
Qantas Airways
Mon 11/512:00
SYD
-
DTW
1 stop23h 43m
Qantas Airways
Deal found 27/3$1,670
Tue 12/515:42
DTW
-
SYD
1 stop25h 13m
Qantas Airways
Tue 19/512:00
SYD
-
DTW
1 stop20h 26m
Qantas Airways
Deal found 28/3$1,677
Tue 12/510:15
DTW
-
SYD
2 stops31h 05m
Air Canada
Tue 19/509:20
SYD
-
DTW
2 stops27h 33m
Air Canada
Deal found 27/3$1,695
Tue 12/516:50
DTW
-
SYD
2 stops24h 10m
United Airlines
Mon 10/810:20
SYD
-
DTW
2 stops25h 59m
United Airlines
Deal found 30/3$1,721
Sun 24/515:32
DTW
-
SYD
2 stops25h 28m
United Airlines
Sun 31/509:30
SYD
-
DTW
2 stops23h 02m
United Airlines
Deal found 26/3$1,723
Mon 27/415:42
DTW
-
SYD
2 stops25h 23m
American Airlines
Mon 11/509:10
SYD
-
DTW
2 stops23h 16m
American Airlines
Deal found 27/3$1,724
Mon 27/415:29
DTW
-
SYD
2 stops25h 31m
United Airlines
Sun 10/509:30
SYD
-
DTW
2 stops27h 23m
United Airlines
Deal found 30/3$1,727
Mon 27/409:03
DTW
-
SYD
2 stops31h 57m
United Airlines
Mon 11/510:20
SYD
-
DTW
1 stop22h 30m
United Airlines
Deal found 29/3$1,728

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 30 March 2026.

Round-trip from

$1,670

One-way from

$723

Popular in

April

Cheapest in

September

Average price

$1,438
Qantas Airways
  • Qantas Airways
  • 27/4-11/5
  • 2 total stops
  • 48h 56m total
  • Detroit to Sydney
Search Deals
26/4
  • 26/4
  • 3 total stops
  • 47h 38m total
  • Detroit to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($191 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($55 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 30 March 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

Wed 13/5

16:50-07:00

2 stops24h 10m

Sydney Kingsford Smith

Wed 12/8

10:20-18:19

2 stops21h 59m

$1,721

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 24/5

17:29-06:55

1 stop23h 26m

Sydney Kingsford Smith

Sun 31/5

09:30-20:22

2 stops24h 52m

$1,723
Fastest return journey

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 11/8

19:03-06:55

1 stop21h 52m

Sydney Kingsford Smith

Tue 25/8

10:20-18:01

1 stop21h 41m

$1,744

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 21/7

17:29-06:55

1 stop23h 26m

Sydney Kingsford Smith

Wed 29/7

10:20-16:27

1 stop20h 07m

$1,746

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 1/5

08:35-06:55

1 stop32h 20m

Sydney Kingsford Smith

Sun 10/5

10:20-18:50

1 stop22h 30m

$1,817

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 7/5

15:33-06:55

2 stops25h 22m

Sydney Kingsford Smith

Thu 21/5

09:30-23:43

3 stops28h 13m

$1,898

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 23/4

15:29-07:00

2 stops25h 31m

Sydney Kingsford Smith

Thu 30/4

09:30-08:28

2 stops36h 58m

$1,922

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 2/9

20:50-19:10

2 stops32h 20m

Sydney Kingsford Smith

Wed 30/9

21:05-18:45

2 stops35h 40m

$2,014

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 14/4

06:00-07:00

3 stops35h 00m

Sydney Kingsford Smith

Tue 21/4

09:30-09:43

2 stops38h 13m

$2,306

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 1/7

17:29-06:55

1 stop23h 26m

Sydney Kingsford Smith

Wed 8/7

10:20-16:27

1 stop20h 07m

$2,461

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
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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
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 13 March 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 73 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, February is the cheapest month in which you can book a flight from Detroit to Sydney (average of $287). Flying from Detroit to Sydney in October is currently the most expensive (average of $1,286). 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 40% 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 $1,224.

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 30 March 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
9,514 reviews
Check prices

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,514 reviews
United Airlines
7.4
Good
9,514 reviews
Check prices

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,530 reviews
United Airlines
7.4
Good
9,514 reviews
Check prices

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 Qantas Airways fly from Detroit to Sydney in about 25h 13m. 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 $1,625 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, February is the cheapest month in which you can book a flight from Detroit to Sydney (average of $287). Flying from Detroit to Sydney in October is currently the most expensive (average of $1,286). 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
Terrigal
Katoomba
Lithgow
Manly
Bondi Beach
Coogee
Cronulla
Leura
Randwick

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 30 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,625Average$1,815FlexibilityNo 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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