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Cheap flights from Detroit to Perth from $995

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 Perth departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Detroit to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:05 - 06:50DTW  Detroit Metropolitan Wayne County-PER Perth
57h 45m2 stops Vancouver Intl Hong Kong Intl
Multiple Airlines Logo
00:10 - 05:22PER  Perth-DTW Detroit Metropolitan Wayne County
41h 12m2 stops Hong Kong Intl Seattle/Tacoma Intl
$1,968Multiple Airlines
Sun, 30 Aug - Sun, 13 Sep
Multiple Airlines Logo
17:10 - 22:40DTW  Detroit Metropolitan Wayne County-PER Perth
41h 30m2 stops Dallas/Fort Worth Hong Kong Intl
Multiple Airlines Logo
08:20 - 20:05PER  Perth-DTW Detroit Metropolitan Wayne County
47h 45m2 stops Hong Kong Intl Chicago O'Hare Intl
$1,981Multiple Airlines
Mon, 21 Sep - Sun, 4 Oct
Multiple Airlines Logo
16:10 - 22:40DTW  Detroit Metropolitan Wayne County-PER Perth
42h 30m2 stops Dallas/Fort Worth Hong Kong Intl
Multiple Airlines Logo
00:10 - 21:34PER  Perth-DTW Detroit Metropolitan Wayne County
33h 24m2 stops Hong Kong Intl Chicago O'Hare Intl
$2,052Multiple Airlines
Sun, 4 Oct - Tue, 13 Oct
Multiple Airlines Logo
17:10 - 22:40DTW  Detroit Metropolitan Wayne County-PER Perth
41h 30m2 stops Dallas/Fort Worth Hong Kong Intl
Multiple Airlines Logo
00:10 - 23:43PER  Perth-DTW Detroit Metropolitan Wayne County
35h 33m2 stops Hong Kong Intl Dallas/Fort Worth
$2,052Multiple Airlines
Fri, 11 Sep - Wed, 16 Sep
Cathay Pacific Logo
12:56 - 06:50DTW  Detroit Metropolitan Wayne County-PER Perth
29h 54m2 stops Chicago O'Hare Intl Hong Kong Intl
Cathay Pacific Logo
00:10 - 19:36PER  Perth-DTW Detroit Metropolitan Wayne County
31h 26m2 stops Hong Kong Intl Chicago O'Hare Intl
$2,314Cathay Pacific
Sat, 26 Sep - Fri, 2 Oct
Multiple Airlines Logo
16:36 - 22:55DTW  Detroit Metropolitan Wayne County-PER Perth
41h 19m2 stops Dallas/Fort Worth Hong Kong Intl
Multiple Airlines Logo
00:25 - 23:42PER  Perth-DTW Detroit Metropolitan Wayne County
36h 17m2 stops Hong Kong Intl Dallas/Fort Worth
$2,376Multiple Airlines
Wed, 20 Jan - Fri, 19 Feb
Multiple Airlines Logo
09:49 - 17:00DTW  Detroit Metropolitan Wayne County-PER Perth
43h 11m3 stops Orlando Los Angeles Los Angeles Sydney Kingsford Smith
Multiple Airlines Logo
23:55 - 11:51PER  Perth-DTW Detroit Metropolitan Wayne County
47h 56m3 stops Sydney Kingsford Smith Los Angeles Los Angeles Atlanta Hartsfield-Jackson
$2,536Multiple Airlines
Sun, 30 Aug - Mon, 14 Sep
United Airlines Logo
18:00 - 14:10DTW  Detroit Metropolitan Wayne County-PER Perth
55h 10m3 stops Chicago O'Hare Intl San Francisco Adelaide
United Airlines Logo
15:15 - 23:44PER  Perth-DTW Detroit Metropolitan Wayne County
45h 29m2 stops Sydney Kingsford Smith Houston George Bush Intcntl
$2,581United Airlines
Wed, 20 Jan - Sat, 20 Feb
Qantas Airways Logo
20:47 - 12:35DTW  Detroit Metropolitan Wayne County-PER Perth
51h 48m3 stops Chicago O'Hare Intl Los Angeles Los Angeles Sydney Kingsford Smith
Qantas Airways Logo
10:35 - 10:45PER  Perth-DTW Detroit Metropolitan Wayne County
36h 10m3 stops Brisbane Los Angeles Los Angeles Dallas/Fort Worth
$2,785Qantas Airways
Sun, 4 Oct - Wed, 14 Oct
Qantas Airways Logo
20:47 - 12:35DTW  Detroit Metropolitan Wayne County-PER Perth
51h 48m3 stops Chicago O'Hare Intl Los Angeles Los Angeles Sydney Kingsford Smith
Qantas Airways Logo
22:55 - 23:38PER  Perth-DTW Detroit Metropolitan Wayne County
36h 43m2 stops Sydney Kingsford Smith Dallas/Fort Worth
$2,801Qantas Airways
Sun, 4 Oct - Wed, 14 Oct

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Qantas Airways flights from Detroit to Perth

Our best Qantas Airways deals on Detroit to Perth flight tickets
Qantas Airways
4 Oct
DTW20:47Detroit Metropolitan Wayne County
51h 48m
3 stops
PER12:35Perth
14 Oct
PER10:35Perth
36h 10m
3 stops
DTW10:45Detroit Metropolitan Wayne County
$2,785
Qantas Airways
4 Oct
DTW20:47Detroit Metropolitan Wayne County
51h 48m
3 stops
PER12:35Perth
14 Oct
PER22:55Perth
36h 43m
2 stops
DTW23:38Detroit Metropolitan Wayne County
$2,801

United Airlines flights from Detroit to Perth

Our best United Airlines deals on Detroit to Perth flight tickets
United Airlines
20 Jan
DTW18:00Detroit Metropolitan Wayne County
55h 10m
3 stops
PER14:10Perth
20 Feb
PER15:15Perth
45h 29m
2 stops
DTW23:44Detroit Metropolitan Wayne County
$2,581
United Airlines
30 Sept
DTW07:00Detroit Metropolitan Wayne County
41h 55m
2 stops
PER12:55Perth
7 Oct
PER23:45Perth
30h 52m
2 stops
DTW18:37Detroit Metropolitan Wayne County
$2,816
United Airlines
21 Sept
DTW19:18Detroit Metropolitan Wayne County
53h 12m
3 stops
PER12:30Perth
4 Oct
PER23:45Perth
30h 52m
2 stops
DTW18:37Detroit Metropolitan Wayne County
$3,067

momondo Fare Finder

 
Customise your flight search to find flights from Detroit to Perth 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 78,305 searches. Data last updated 17 August 2026.
Use the filters below to find and compare flights from Detroit to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sun 30/8

09:05-06:50

2 stops57h 45m

Perth

Sun 13/9

00:10-05:22

2 stops41h 12m

$1,968

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Mon 21/9

17:10-22:40

2 stops41h 30m

Perth

Sun 4/10

08:20-20:05

2 stops47h 45m

$1,981

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sun 4/10

16:10-22:40

2 stops42h 30m

Perth

Tue 13/10

00:10-21:34

2 stops33h 24m

$2,052

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Fri 11/9

17:10-22:40

2 stops41h 30m

Perth

Wed 16/9

00:10-23:43

2 stops35h 33m

$2,052
Fastest return journey

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sat 26/9

12:56-06:50

2 stops29h 54m

Perth

Fri 2/10

00:10-19:36

2 stops31h 26m

$2,314

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Wed 20/1

16:36-22:55

2 stops41h 19m

Perth

Fri 19/2

00:25-23:42

2 stops36h 17m

$2,376

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sun 30/8

09:49-17:00

3 stops43h 11m

Perth

Mon 14/9

23:55-11:51

3 stops47h 56m

$2,536

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Wed 20/1

18:00-14:10

3 stops55h 10m

Perth

Sat 20/2

15:15-23:44

2 stops45h 29m

$2,581

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sun 4/10

20:47-12:35

3 stops51h 48m

Perth

Wed 14/10

10:35-10:45

3 stops36h 10m

$2,785

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sun 4/10

20:47-12:35

3 stops51h 48m

Perth

Wed 14/10

22:55-23:38

2 stops36h 43m

$2,801

Flights are sorted by cheapest return 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 Perth

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 cheapest airline that flies from Detroit to Perth?

Cathay Pacific is the most popular carrier operating from Detroit to Perth

When to book flights from Detroit to Perth

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

Cheap Detroit to Perth (DTT to PER) flight deals and tips

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

Fastest flight time

38h 48m

Direct flights

None
The fastest flight from Detroit to Perth takes 38h 48m
There are no direct flights from Detroit to Perth. There are no popular flight routes from Detroit to Perth.
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Frequently asked questions about flying from Detroit to Perth

  • How far is Detroit to Perth by plane?

    Perth is 17974.5 km away from Detroit. 38h 48m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Detroit to Perth Airport?

    Prices for flights from Detroit to Perth Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Detroit to Perth Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Detroit to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The necessary travel and health documents for your Perth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Fremantle
Scarborough
Rottnest Island

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Detroit to Perth . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Detroit to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Perth from Detroit. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Detroit and alert you when they change.

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