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Cheap flights from Detroit to Perth from $2,251

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Perth departing on 16/8. 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.
Air Canada Logo
15:00 - 15:45
DTW
-
PER
36h 45m
3 stops
Air Canada Logo
15:30 - 14:16
PER
-
DTW
58h 46m
3 stops
$2,251Air Canada
Sun, 16 Aug - Sun, 23 Aug
Qantas Airways Logo
19:46 - 17:00
DTW
-
PER
33h 14m
2 stops
Qantas Airways Logo
23:55 - 18:47
PER
-
DTW
30h 52m
2 stops
$2,303Qantas Airways
Sun, 16 Aug - Sun, 23 Aug
Qantas Airways Logo
15:50 - 15:50
DTW
-
PER
35h 00m
2 stops
Qantas Airways Logo
22:55 - 17:45
PER
-
DTW
31h 50m
2 stops
$2,431Qantas Airways
Mon, 30 Nov - Mon, 11 Jan
Multiple Airlines Logo
16:10 - 22:40
DTW
-
PER
42h 30m
2 stops
Multiple Airlines Logo
00:10 - 10:52
PER
-
DTW
46h 42m
2 stops
$2,434Multiple Airlines
Thu, 20 Aug - Wed, 26 Aug
Multiple Airlines Logo
19:46 - 22:40
DTW
-
PER
38h 54m
2 stops
Multiple Airlines Logo
00:10 - 20:55
PER
-
DTW
32h 45m
2 stops
$2,474Multiple Airlines
Thu, 6 Aug - Tue, 11 Aug
Qantas Airways Logo
17:00 - 15:25
DTW
-
PER
34h 25m
2 stops
Qantas Airways Logo
06:15 - 22:58
PER
-
DTW
28h 43m
2 stops
$2,549Qantas Airways
Sat, 22 Aug - Sat, 29 Aug
United Airlines Logo
19:18 - 12:30
DTW
-
PER
29h 12m
2 stops
United Airlines Logo
23:45 - 18:06
PER
-
DTW
30h 21m
2 stops
$2,581United Airlines
Thu, 20 Aug - Thu, 27 Aug
Qantas Airways Logo
19:51 - 17:00
DTW
-
PER
33h 09m
2 stops
Qantas Airways Logo
06:15 - 22:58
PER
-
DTW
28h 43m
2 stops
$2,731Qantas Airways
Fri, 31 Jul - Sat, 22 Aug
United Airlines Logo
06:34 - 12:55
DTW
-
PER
42h 21m
2 stops
United Airlines Logo
13:15 - 18:06
PER
-
DTW
40h 51m
2 stops
$2,794United Airlines
Fri, 31 Jul - Sat, 22 Aug
United Airlines Logo
19:18 - 14:40
DTW
-
PER
31h 22m
2 stops
United Airlines Logo
23:45 - 18:06
PER
-
DTW
30h 21m
3 stops
$2,864United Airlines
Thu, 20 Aug - Thu, 27 Aug

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United Airlines flights from Detroit to Perth

Our best United Airlines deals on Detroit to Perth flight tickets
United Airlines
20 Aug
DTW19:18Detroit Metropolitan Wayne County
29h 12m
2 stops
PER12:30Perth
27 Aug
PER23:45Perth
30h 21m
2 stops
DTW18:06Detroit Metropolitan Wayne County
$2,581
United Airlines
31 July
DTW06:34Detroit Metropolitan Wayne County
42h 21m
2 stops
PER12:55Perth
22 Aug
PER13:15Perth
40h 51m
2 stops
DTW18:06Detroit Metropolitan Wayne County
$2,794
United Airlines
20 Aug
DTW19:18Detroit Metropolitan Wayne County
31h 22m
2 stops
PER14:40Perth
27 Aug
PER23:45Perth
30h 21m
3 stops
DTW18:06Detroit Metropolitan Wayne County
$2,864

Qantas Airways flights from Detroit to Perth

Our best Qantas Airways deals on Detroit to Perth flight tickets
Qantas Airways
30 Nov
DTW15:50Detroit Metropolitan Wayne County
35h 00m
2 stops
PER15:50Perth
11 Jan
PER22:55Perth
31h 50m
2 stops
DTW17:45Detroit Metropolitan Wayne County
$2,431
Qantas Airways
22 Aug
DTW17:00Detroit Metropolitan Wayne County
34h 25m
2 stops
PER15:25Perth
29 Aug
PER06:15Perth
28h 43m
2 stops
DTW22:58Detroit Metropolitan Wayne County
$2,549
Qantas Airways
31 July
DTW19:51Detroit Metropolitan Wayne County
33h 09m
2 stops
PER17:00Perth
22 Aug
PER06:15Perth
28h 43m
2 stops
DTW22:58Detroit Metropolitan Wayne County
$2,731

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 10 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

Sun 16/8

15:00-15:45

3 stops36h 45m

Perth

Sun 23/8

15:30-14:16

3 stops58h 46m

$2,251

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 16/8

19:46-17:00

2 stops33h 14m

Perth

Sun 23/8

23:55-18:47

2 stops30h 52m

$2,303

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 30/11

15:50-15:50

2 stops35h 00m

Perth

Mon 11/1

22:55-17:45

2 stops31h 50m

$2,431

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 20/8

16:10-22:40

2 stops42h 30m

Perth

Wed 26/8

00:10-10:52

2 stops46h 42m

$2,434

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 6/8

19:46-22:40

2 stops38h 54m

Perth

Tue 11/8

00:10-20:55

2 stops32h 45m

$2,474

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 22/8

17:00-15:25

2 stops34h 25m

Perth

Sat 29/8

06:15-22:58

2 stops28h 43m

$2,549
Fastest return journey

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 20/8

19:18-12:30

2 stops29h 12m

Perth

Thu 27/8

23:45-18:06

2 stops30h 21m

$2,581

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 31/7

19:51-17:00

2 stops33h 09m

Perth

Sat 22/8

06:15-22:58

2 stops28h 43m

$2,731

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 31/7

06:34-12:55

2 stops42h 21m

Perth

Sat 22/8

13:15-18:06

2 stops40h 51m

$2,794

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 20/8

19:18-14:40

2 stops31h 22m

Perth

Thu 27/8

23:45-18:06

3 stops30h 21m

$2,864

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

32h 55m

Direct flights

None
The fastest flight from Detroit to Perth takes 32h 55m
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. 32h 55m 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.

Frequently asked questions about flying from Detroit to Perth

  • How do I get Price Alerts for flights from Detroit to Perth?

    Confirm your travel details to search for the latest offers for flights from Detroit to Perth. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Detroit to Perth with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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