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Cheap flights from Detroit to Perth from $1,324

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 13/1. 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
16:05 - 23:55
DTW
-
PER
42h 50m
2 stops
Multiple Airlines Logo
10:30 - 14:15
PER
-
DTW
40h 45m
2 stops
$2,149Multiple Airlines
Tue, 3 Nov - Wed, 11 Nov
Multiple Airlines Logo
15:00 - 21:40
DTW
-
PER
42h 40m
3 stops
Multiple Airlines Logo
23:45 - 14:16
PER
-
DTW
50h 31m
3 stops
$2,249Multiple Airlines
Tue, 18 Aug - Mon, 24 Aug
Multiple Airlines Logo
07:01 - 06:50
DTW
-
PER
35h 49m
2 stops
Multiple Airlines Logo
00:10 - 19:36
PER
-
DTW
31h 26m
2 stops
$2,257Multiple Airlines
Thu, 3 Sep - Tue, 15 Sep
American Airlines Logo
11:43 - 11:15
DTW
-
PER
35h 32m
2 stops
American Airlines Logo
23:45 - 22:58
PER
-
DTW
35h 13m
2 stops
$2,277American Airlines
Mon, 10 Aug - Tue, 18 Aug
Multiple Airlines Logo
16:00 - 01:55
DTW
-
PER
45h 55m
2 stops
Multiple Airlines Logo
14:00 - 13:55
PER
-
DTW
35h 55m
2 stops
$2,296Multiple Airlines
Sun, 6 Sep - Mon, 21 Sep
American Airlines Logo
11:43 - 11:15
DTW
-
PER
35h 32m
2 stops
American Airlines Logo
23:55 - 18:47
PER
-
DTW
30h 52m
3 stops
$2,300American Airlines
Mon, 10 Aug - Tue, 18 Aug
American Airlines Logo
17:00 - 13:35
DTW
-
PER
32h 35m
2 stops
American Airlines Logo
23:55 - 18:47
PER
-
DTW
30h 52m
2 stops
$2,313American Airlines
Tue, 18 Aug - Mon, 24 Aug
American Airlines Logo
17:00 - 13:35
DTW
-
PER
32h 35m
2 stops
American Airlines Logo
23:55 - 20:20
PER
-
DTW
32h 25m
3 stops
$2,319American Airlines
Tue, 18 Aug - Mon, 24 Aug
Cathay Pacific Logo
10:22 - 06:55
DTW
-
PER
31h 33m
2 stops
Cathay Pacific Logo
08:30 - 20:06
PER
-
DTW
48h 36m
2 stops
$2,389Cathay Pacific
Tue, 10 Nov - Wed, 18 Nov
Multiple Airlines Logo
11:43 - 22:40
DTW
-
PER
46h 57m
2 stops
Multiple Airlines Logo
00:10 - 23:43
PER
-
DTW
35h 33m
2 stops
$2,402Multiple Airlines
Fri, 4 Sep - Thu, 10 Sep

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Air Canada flights from Detroit to Perth

Our best Air Canada deals on Detroit to Perth flight tickets
Air Canada
3 Nov
DTW06:00Detroit Metropolitan Wayne County
49h 20m
3 stops
PER20:20Perth
11 Nov
PER22:55Perth
36h 27m
3 stops
DTW22:22Detroit Metropolitan Wayne County
$2,615
Air Canada
18 Aug
DTW15:00Detroit Metropolitan Wayne County
42h 40m
3 stops
PER21:40Perth
24 Aug
PER15:30Perth
40h 59m
3 stops
DTW20:29Detroit Metropolitan Wayne County
$2,619
Air Canada
10 Nov
DTW12:35Detroit Metropolitan Wayne County
42h 45m
3 stops
PER20:20Perth
18 Nov
PER22:30Perth
36h 52m
3 stops
DTW22:22Detroit Metropolitan Wayne County
$2,679

American Airlines flights from Detroit to Perth

Our best American Airlines deals on Detroit to Perth flight tickets
American Airlines
10 Aug
DTW11:43Detroit Metropolitan Wayne County
35h 32m
2 stops
PER11:15Perth
18 Aug
PER23:45Perth
35h 13m
2 stops
DTW22:58Detroit Metropolitan Wayne County
$2,277
American Airlines
10 Aug
DTW11:43Detroit Metropolitan Wayne County
35h 32m
2 stops
PER11:15Perth
18 Aug
PER23:55Perth
30h 52m
3 stops
DTW18:47Detroit Metropolitan Wayne County
$2,300
American Airlines
18 Aug
DTW17:00Detroit Metropolitan Wayne County
32h 35m
2 stops
PER13:35Perth
24 Aug
PER23:55Perth
30h 52m
2 stops
DTW18:47Detroit Metropolitan Wayne County
$2,313

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 21 July 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 - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 3/11

16:05-23:55

2 stops42h 50m

Perth

Wed 11/11

10:30-14:15

2 stops40h 45m

$2,149

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 18/8

15:00-21:40

3 stops42h 40m

Perth

Mon 24/8

23:45-14:16

3 stops50h 31m

$2,249

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 3/9

07:01-06:50

2 stops35h 49m

Perth

Tue 15/9

00:10-19:36

2 stops31h 26m

$2,257

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 10/8

11:43-11:15

2 stops35h 32m

Perth

Tue 18/8

23:45-22:58

2 stops35h 13m

$2,277

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 6/9

16:00-01:55

2 stops45h 55m

Perth

Mon 21/9

14:00-13:55

2 stops35h 55m

$2,296

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 10/8

11:43-11:15

2 stops35h 32m

Perth

Tue 18/8

23:55-18:47

3 stops30h 52m

$2,300
Fastest return journey

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 18/8

17:00-13:35

2 stops32h 35m

Perth

Mon 24/8

23:55-18:47

2 stops30h 52m

$2,313

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 18/8

17:00-13:35

2 stops32h 35m

Perth

Mon 24/8

23:55-20:20

3 stops32h 25m

$2,319

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 10/11

10:22-06:55

2 stops31h 33m

Perth

Wed 18/11

08:30-20:06

2 stops48h 36m

$2,389

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 4/9

11:43-22:40

2 stops46h 57m

Perth

Thu 10/9

00:10-23:43

2 stops35h 33m

$2,402

Flights are sorted by cheapest return flights first.

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

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?

United Airlines, Qantas Airways, and Air France are the most popular carriers 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

29h 49m

Direct flights

None
The fastest flight from Detroit to Perth takes 29h 49m
There are no direct flights from Detroit to Perth. There are no popular flight routes from Detroit to Perth.
Search flight deals

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. 29h 49m 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.

An easier way to manage your Perth trip

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