Cheap flights from Detroit to Sydney from $397

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Sydney departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Qantas Airways Logo
7:46 pm - 6:55 amDTW-SYD
21h 09m1 stop
Qantas Airways Logo
12:10 pm - 10:33 pmSYD-DTW
24h 23m1 stop
$793Qantas Airways
Find Deal
Sun, Sep 7 - Mon, Sep 22
American Airlines Logo
3:02 pm - 7:05 amDTW-SYD
26h 03m2 stops
American Airlines Logo
1:20 pm - 10:14 pmSYD-DTW
23h 54m1 stop
$806American Airlines
Find Deal
Tue, Sep 16 - Mon, Oct 27
American Airlines Logo
12:09 pm - 6:55 amDTW-SYD
28h 46m1 stop
American Airlines Logo
1:20 pm - 6:33 pmSYD-DTW
20h 13m1 stop
$807American Airlines
Find Deal
Tue, Sep 16 - Mon, Oct 27
American Airlines Logo
4:05 pm - 6:55 amDTW-SYD
24h 50m1 stop
American Airlines Logo
12:10 pm - 10:40 pmSYD-DTW
24h 30m1 stop
$815American Airlines
Find Deal
Tue, Sep 9 - Wed, Sep 24
Delta Logo
6:30 pm - 6:35 amDTW-SYD
22h 05m1 stop
Delta Logo
10:25 am - 11:59 pmSYD-DTW
28h 34m2 stops
$821Delta
Find Deal
Mon, Sep 29 - Sun, Oct 19
United Airlines Logo
5:03 pm - 7:00 amDTW-SYD
23h 57m2 stops
United Airlines Logo
10:30 am - 11:41 pmSYD-DTW
28h 11m2 stops
$822United Airlines
Find Deal
Mon, Sep 29 - Sun, Oct 19
Delta Logo
4:00 pm - 6:35 amDTW-SYD
24h 35m1 stop
Delta Logo
9:40 am - 7:15 pmSYD-DTW
24h 35m2 stops
$823Delta
Find Deal
Tue, Sep 16 - Tue, Oct 28
United Airlines Logo
5:32 pm - 6:55 amDTW-SYD
23h 23m1 stop
United Airlines Logo
11:50 am - 11:42 pmSYD-DTW
26h 52m1 stop
$829United Airlines
Find Deal
Wed, Sep 17 - Tue, Oct 28
Air Canada Logo
9:55 am - 7:20 amDTW-SYD
31h 25m2 stops
Air Canada Logo
9:20 am - 9:29 pmSYD-DTW
50h 09m3 stops
$910Air Canada
Find Deal
Sun, Sep 7 - Mon, Sep 22
Air Canada Logo
4:48 pm - 9:35 amDTW-SYD
24h 47m2 stops
Air Canada Logo
11:20 am - 5:36 pmSYD-DTW
46h 16m2 stops
$915Air Canada
Find Deal
Mon, Dec 15 - Sun, Dec 28

Qantas Airways flights from Detroit to Sydney

Our best Qantas Airways deals on Detroit to Sydney flight tickets
Qantas Airways
Sep 7
DTW7:46 pmDetroit Metropolitan Wayne County
21h 09m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 22
SYD12:10 pmSydney Kingsford Smith
24h 23m
1 stop
DTW10:33 pmDetroit Metropolitan Wayne County
Qantas Airways
Sep 17
DTW6:07 pmDetroit Metropolitan Wayne County
22h 48m
1 stop
SYD6:55 amSydney Kingsford Smith
Oct 26
SYD1:05 pmSydney Kingsford Smith
24h 27m
1 stop
DTW10:32 pmDetroit Metropolitan Wayne County
Qantas Airways
Sep 15
DTW4:05 pmDetroit Metropolitan Wayne County
24h 50m
1 stop
SYD6:55 amSydney Kingsford Smith
Oct 3
SYD12:10 pmSydney Kingsford Smith
24h 23m
1 stop
DTW10:33 pmDetroit Metropolitan Wayne County

Air Canada flights from Detroit to Sydney

Our best Air Canada deals on Detroit to Sydney flight tickets
Air Canada
Sep 7
DTW9:55 amDetroit Metropolitan Wayne County
31h 25m
2 stops
SYD7:20 amSydney Kingsford Smith
Sep 22
SYD9:20 amSydney Kingsford Smith
50h 09m
3 stops
DTW9:29 pmDetroit Metropolitan Wayne County
Air Canada
Sep 1
DTW9:55 amDetroit Metropolitan Wayne County
31h 25m
3 stops
SYD7:20 amSydney Kingsford Smith
Sep 15
SYD9:20 amSydney Kingsford Smith
26h 09m
2 stops
DTW9:29 pmDetroit Metropolitan Wayne County
Air Canada
Dec 15
DTW4:48 pmDetroit Metropolitan Wayne County
24h 47m
2 stops
SYD9:35 amSydney Kingsford Smith
Dec 28
SYD11:20 amSydney Kingsford Smith
46h 16m
2 stops
DTW5:36 pmDetroit Metropolitan Wayne County

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated August 28, 2025.
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

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 9/7

7:46 pm-6:55 am

1 stop21h 09m

Sydney Kingsford Smith

Mon 9/22

12:10 pm-10:33 pm

1 stop24h 23m

$793

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 9/16

3:02 pm-7:05 am

2 stops26h 03m

Sydney Kingsford Smith

Mon 10/27

1:20 pm-10:14 pm

1 stop23h 54m

$806

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 9/16

12:09 pm-6:55 am

1 stop28h 46m

Sydney Kingsford Smith

Mon 10/27

1:20 pm-6:33 pm

1 stop20h 13m

$807

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 9/9

4:05 pm-6:55 am

1 stop24h 50m

Sydney Kingsford Smith

Wed 9/24

12:10 pm-10:40 pm

1 stop24h 30m

$815

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 9/29

6:30 pm-6:35 am

1 stop22h 05m

Sydney Kingsford Smith

Sun 10/19

10:25 am-11:59 pm

2 stops28h 34m

$821

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 9/29

5:03 pm-7:00 am

2 stops23h 57m

Sydney Kingsford Smith

Sun 10/19

10:30 am-11:41 pm

2 stops28h 11m

$822

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 9/16

4:00 pm-6:35 am

1 stop24h 35m

Sydney Kingsford Smith

Tue 10/28

9:40 am-7:15 pm

2 stops24h 35m

$823

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 9/17

5:32 pm-6:55 am

1 stop23h 23m

Sydney Kingsford Smith

Tue 10/28

11:50 am-11:42 pm

1 stop26h 52m

$829

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 9/7

9:55 am-7:20 am

2 stops31h 25m

Sydney Kingsford Smith

Mon 9/22

9:20 am-9:29 pm

3 stops50h 09m

$910

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 12/15

4:48 pm-9:35 am

2 stops24h 47m

Sydney Kingsford Smith

Sun 12/28

11:20 am-5:36 pm

2 stops46h 16m

$915

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Detroit to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Detroit and Sydney?

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from Detroit to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $922. If you are unable to visit Sydney during the month of February, then departing from Detroit during the month March is also very affordable. Most momondo users find prices during this month for around $939.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Detroit to Sydney is on a Tuesday when prices can be found for as low as $1,226. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,601.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Detroit to Sydney at noon for as low as $981. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $1,536. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,034 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Detroit for as low as $964 on momondo.

Can stopping save me money on Detroit to Sydney flights?

You could potentially save up to 12% on your flight if you consider stops on a Detroit to Sydney flight.

When to book flights from Detroit to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to Sydney (DTT to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Sydney

Direct flights

None
There are no direct flights from Detroit to Sydney. There are no popular flight routes from Detroit to Sydney.
  • How far is Detroit to Sydney Kingsford Smith by plane?

    The distance between Detroit and Sydney Kingsford Smith is about 9474.0 mi. 21h 09m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Detroit to Sydney Kingsford Smith Airport?

    Prices for flights from Detroit to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from Detroit to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Detroit to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Detroit to Sydney?

Best airlines flying from Detroit to Sydney

Compare and see reviews for airlines that fly from Detroit to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $723Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $838Free CancellationRating
7.5
905 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $840Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $842Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
DeltaPriceFrom $843Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Air New ZealandPriceFrom $864Free CancellationRating
8.0
505 reviews
Search Air New Zealand flights

Traveling to a place near Sydney?

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

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Detroit.

Can I find flights from Detroit to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Detroit to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Detroit to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Detroit.

I’m not ready to book a flight from Detroit to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Detroit to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Tue 9/2
Tue 9/9

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