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Cheap flights from Detroit to Sydney from $639

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 8/3. 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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0 bags

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Find the cheapest flights from Detroit to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:15 am - 7:20 am
DTW
-
SYD
31h 05m
2 stops
Air Canada Logo
9:20 am - 9:25 pm
SYD
-
DTW
50h 05m
2 stops
$1,101Air Canada
Wed, Jun 3 - Wed, Jun 10
Air Canada Logo
10:15 am - 7:20 am
DTW
-
SYD
31h 05m
2 stops
Air Canada Logo
9:20 am - 9:25 pm
SYD
-
DTW
50h 05m
2 stops
$1,103Air Canada
Wed, Jun 3 - Wed, Jun 10
Air Canada Logo
10:15 am - 7:20 am
DTW
-
SYD
31h 05m
2 stops
Air Canada Logo
9:20 am - 10:08 am
SYD
-
DTW
38h 48m
2 stops
$1,105Air Canada
Wed, Jun 3 - Wed, Jun 10
Air Canada Logo
10:15 am - 7:20 am
DTW
-
SYD
31h 05m
2 stops
Air Canada Logo
9:20 am - 10:08 am
SYD
-
DTW
38h 48m
2 stops
$1,106Air Canada
Mon, Jun 1 - Mon, Jun 8
Air Canada Logo
10:15 am - 7:20 am
DTW
-
SYD
31h 05m
3 stops
Air Canada Logo
9:20 am - 9:25 pm
SYD
-
DTW
50h 05m
2 stops
$1,109Air Canada
Wed, Jun 3 - Wed, Jun 10
Air Canada Logo
10:15 am - 7:20 am
DTW
-
SYD
31h 05m
3 stops
Air Canada Logo
9:20 am - 9:25 pm
SYD
-
DTW
50h 05m
2 stops
$1,111Air Canada
Wed, Jun 3 - Wed, Jun 10
Air Canada Logo
10:15 am - 7:20 am
DTW
-
SYD
31h 05m
3 stops
Air Canada Logo
9:20 am - 10:08 am
SYD
-
DTW
38h 48m
2 stops
$1,114Air Canada
Mon, Jun 1 - Mon, Jun 8
Air Canada Logo
2:55 pm - 7:20 am
DTW
-
SYD
26h 25m
2 stops
Air Canada Logo
9:20 am - 9:25 pm
SYD
-
DTW
26h 05m
2 stops
$1,116Air Canada
Wed, Jul 22 - Tue, Jul 28
Multiple Airlines Logo
10:15 am - 7:20 am
DTW
-
SYD
31h 05m
2 stops
Multiple Airlines Logo
9:20 am - 9:25 pm
SYD
-
DTW
26h 05m
2 stops
$1,118Multiple Airlines
Tue, Jul 21 - Sun, Jul 26
Air Canada Logo
10:15 am - 7:20 am
DTW
-
SYD
31h 05m
3 stops
Air Canada Logo
9:20 am - 9:25 pm
SYD
-
DTW
26h 05m
2 stops
$1,119Air Canada
Tue, Jul 21 - Wed, Jul 29

Air New Zealand flights from Detroit to Sydney

Our best Air New Zealand deals on Detroit to Sydney flight tickets
Air New Zealand
Jun 3
DTW5:29 pmDetroit Metropolitan Wayne County
23h 26m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 10
SYD9:30 amSydney Kingsford Smith
26h 54m
2 stops
DTW10:24 pmDetroit Metropolitan Wayne County
$1,386
Air New Zealand
Jun 3
DTW5:29 pmDetroit Metropolitan Wayne County
23h 26m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 10
SYD9:30 amSydney Kingsford Smith
26h 54m
2 stops
DTW10:24 pmDetroit Metropolitan Wayne County
$1,388
Air New Zealand
May 24
DTW6:39 amDetroit Metropolitan Wayne County
36h 06m
2 stops
SYD8:45 amSydney Kingsford Smith
May 26
SYD7:20 pmSydney Kingsford Smith
41h 04m
2 stops
DTW10:24 pmDetroit Metropolitan Wayne County
$2,080

Air Canada flights from Detroit to Sydney

Our best Air Canada deals on Detroit to Sydney flight tickets
Air Canada
Jun 3
DTW10:15 amDetroit Metropolitan Wayne County
31h 05m
2 stops
SYD7:20 amSydney Kingsford Smith
Jun 10
SYD9:20 amSydney Kingsford Smith
50h 05m
2 stops
DTW9:25 pmDetroit Metropolitan Wayne County
$1,101
Air Canada
Jun 3
DTW10:15 amDetroit Metropolitan Wayne County
31h 05m
2 stops
SYD7:20 amSydney Kingsford Smith
Jun 10
SYD9:20 amSydney Kingsford Smith
50h 05m
2 stops
DTW9:25 pmDetroit Metropolitan Wayne County
$1,103
Air Canada
Jun 3
DTW10:15 amDetroit Metropolitan Wayne County
31h 05m
2 stops
SYD7:20 amSydney Kingsford Smith
Jun 10
SYD9:20 amSydney Kingsford Smith
38h 48m
2 stops
DTW10:08 amDetroit Metropolitan Wayne County
$1,105

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 May 22, 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 round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 6/3

10:15 am-7:20 am

2 stops31h 05m

Sydney Kingsford Smith

Wed 6/10

9:20 am-9:25 pm

2 stops50h 05m

$1,101

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 6/3

10:15 am-7:20 am

2 stops31h 05m

Sydney Kingsford Smith

Wed 6/10

9:20 am-9:25 pm

2 stops50h 05m

$1,103

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 6/3

10:15 am-7:20 am

2 stops31h 05m

Sydney Kingsford Smith

Wed 6/10

9:20 am-10:08 am

2 stops38h 48m

$1,105

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 6/1

10:15 am-7:20 am

2 stops31h 05m

Sydney Kingsford Smith

Mon 6/8

9:20 am-10:08 am

2 stops38h 48m

$1,106

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 6/3

10:15 am-7:20 am

3 stops31h 05m

Sydney Kingsford Smith

Wed 6/10

9:20 am-9:25 pm

2 stops50h 05m

$1,109

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 6/3

10:15 am-7:20 am

3 stops31h 05m

Sydney Kingsford Smith

Wed 6/10

9:20 am-9:25 pm

2 stops50h 05m

$1,111

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 6/1

10:15 am-7:20 am

3 stops31h 05m

Sydney Kingsford Smith

Mon 6/8

9:20 am-10:08 am

2 stops38h 48m

$1,114
Quickest round-trip

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 7/22

2:55 pm-7:20 am

2 stops26h 25m

Sydney Kingsford Smith

Tue 7/28

9:20 am-9:25 pm

2 stops26h 05m

$1,116

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 7/21

10:15 am-7:20 am

2 stops31h 05m

Sydney Kingsford Smith

Sun 7/26

9:20 am-9:25 pm

2 stops26h 05m

$1,118

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 7/21

10:15 am-7:20 am

3 stops31h 05m

Sydney Kingsford Smith

Wed 7/29

9:20 am-9:25 pm

2 stops26h 05m

$1,119

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

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, March 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 $180. If you are unable to visit Sydney during the month of March, then departing from Detroit during the month May is also very affordable. Most momondo users find prices during this month for around $185.

How far in advance should I book a flight from Detroit 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 $1,107 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 $949 on momondo.

Can stopping save me money on Detroit to Sydney flights?

You could potentially save up to 13% 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

Fastest flight time

23h 45m

Direct flights

None
The fastest flight from Detroit to Sydney takes 23h 45m
There are no direct flights from Detroit to Sydney. There are no popular flight routes from Detroit to Sydney.
Search flight deals

Frequently asked questions about flying 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. 23h 45m 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
11,075 reviews
Search Air Canada flights
DeltaPriceFrom $766Free CancellationRating
7.9
8,449 reviews
Search Delta flights
United AirlinesPriceFrom $853Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $863Free CancellationRating
7.5
1,040 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $882Free CancellationRating
7.1
11,644 reviews
Search American Airlines 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
Penrith
Leura
Randwick
Lithgow
Coogee
Manly
Cronulla
Terrigal
Charlestown
Swansea

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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