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Cheap flights from Detroit to Perth from $1,275

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 5/8. 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.
United Airlines Logo
17:29 - 12:30
DTW
-
PER
31h 01m
2 stops
United Airlines Logo
18:10 - 18:06
PER
-
DTW
35h 56m
2 stops
$2,500United Airlines
Wed, 5 Aug - Wed, 12 Aug
United Airlines Logo
17:29 - 14:40
DTW
-
PER
33h 11m
2 stops
United Airlines Logo
15:30 - 18:06
PER
-
DTW
38h 36m
2 stops
$2,536United Airlines
Tue, 4 Aug - Tue, 11 Aug
Air New Zealand Logo
06:15 - 16:00
DTW
-
PER
45h 45m
2 stops
Air New Zealand Logo
19:50 - 22:30
PER
-
DTW
38h 40m
2 stops
$2,541Air New Zealand
Fri, 7 Aug - Fri, 14 Aug
United Airlines Logo
17:29 - 14:40
DTW
-
PER
33h 11m
2 stops
United Airlines Logo
23:45 - 18:06
PER
-
DTW
30h 21m
2 stops
$2,550United Airlines
Thu, 6 Aug - Thu, 13 Aug
Qantas Airways Logo
11:48 - 23:50
DTW
-
PER
47h 02m
2 stops
Qantas Airways Logo
22:35 - 15:00
PER
-
DTW
29h 25m
2 stops
$2,648Qantas Airways
Sat, 7 Nov - Wed, 11 Nov
Qantas Airways Logo
11:48 - 23:50
DTW
-
PER
47h 02m
2 stops
Qantas Airways Logo
22:35 - 15:00
PER
-
DTW
29h 25m
2 stops
$2,650Qantas Airways
Sat, 7 Nov - Wed, 11 Nov
Multiple Airlines Logo
14:55 - 15:25
DTW
-
PER
36h 30m
3 stops
Multiple Airlines Logo
22:40 - 20:29
PER
-
DTW
33h 49m
3 stops
$2,704Multiple Airlines
Thu, 6 Aug - Thu, 13 Aug
United Airlines Logo
17:29 - 12:55
DTW
-
PER
31h 26m
2 stops
United Airlines Logo
16:45 - 18:06
PER
-
DTW
37h 21m
2 stops
$2,750United Airlines
Fri, 31 Jul - Sat, 22 Aug
United Airlines Logo
17:29 - 12:55
DTW
-
PER
31h 26m
2 stops
United Airlines Logo
16:45 - 18:06
PER
-
DTW
37h 21m
2 stops
$2,881United Airlines
Fri, 31 Jul - Sat, 22 Aug
Qantas Airways Logo
15:52 - 12:05
DTW
-
PER
32h 13m
3 stops
Qantas Airways Logo
06:15 - 22:58
PER
-
DTW
28h 43m
2 stops
$2,983Qantas Airways
Fri, 31 Jul - Sat, 22 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
5 Aug
DTW17:29Detroit Metropolitan Wayne County
31h 01m
2 stops
PER12:30Perth
12 Aug
PER18:10Perth
35h 56m
2 stops
DTW18:06Detroit Metropolitan Wayne County
$2,500
United Airlines
4 Aug
DTW17:29Detroit Metropolitan Wayne County
33h 11m
2 stops
PER14:40Perth
11 Aug
PER15:30Perth
38h 36m
2 stops
DTW18:06Detroit Metropolitan Wayne County
$2,536
United Airlines
6 Aug
DTW17:29Detroit Metropolitan Wayne County
33h 11m
2 stops
PER14:40Perth
13 Aug
PER23:45Perth
30h 21m
2 stops
DTW18:06Detroit Metropolitan Wayne County
$2,550

Qantas Airways flights from Detroit to Perth

Our best Qantas Airways deals on Detroit to Perth flight tickets
Qantas Airways
7 Nov
DTW11:48Detroit Metropolitan Wayne County
47h 02m
2 stops
PER23:50Perth
11 Nov
PER22:35Perth
29h 25m
2 stops
DTW15:00Detroit Metropolitan Wayne County
$2,648
Qantas Airways
7 Nov
DTW11:48Detroit Metropolitan Wayne County
47h 02m
2 stops
PER23:50Perth
11 Nov
PER22:35Perth
29h 25m
2 stops
DTW15:00Detroit Metropolitan Wayne County
$2,650
Qantas Airways
31 July
DTW15:52Detroit Metropolitan Wayne County
32h 13m
3 stops
PER12:05Perth
22 Aug
PER06:15Perth
28h 43m
2 stops
DTW22:58Detroit Metropolitan Wayne County
$2,983

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 23 June 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

Wed 5/8

17:29-12:30

2 stops31h 01m

Perth

Wed 12/8

18:10-18:06

2 stops35h 56m

$2,500

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 4/8

17:29-14:40

2 stops33h 11m

Perth

Tue 11/8

15:30-18:06

2 stops38h 36m

$2,536

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 7/8

06:15-16:00

2 stops45h 45m

Perth

Fri 14/8

19:50-22:30

2 stops38h 40m

$2,541

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 6/8

17:29-14:40

2 stops33h 11m

Perth

Thu 13/8

23:45-18:06

2 stops30h 21m

$2,550

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 7/11

11:48-23:50

2 stops47h 02m

Perth

Wed 11/11

22:35-15:00

2 stops29h 25m

$2,648

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 7/11

11:48-23:50

2 stops47h 02m

Perth

Wed 11/11

22:35-15:00

2 stops29h 25m

$2,650

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 6/8

14:55-15:25

3 stops36h 30m

Perth

Thu 13/8

22:40-20:29

3 stops33h 49m

$2,704

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 31/7

17:29-12:55

2 stops31h 26m

Perth

Sat 22/8

16:45-18:06

2 stops37h 21m

$2,750

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 31/7

17:29-12:55

2 stops31h 26m

Perth

Sat 22/8

16:45-18:06

2 stops37h 21m

$2,881
Fastest return journey

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 31/7

15:52-12:05

3 stops32h 13m

Perth

Sat 22/8

06:15-22:58

2 stops28h 43m

$2,983

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 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?

United Airlines 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

30h 28m

Direct flights

None
The fastest flight from Detroit to Perth takes 30h 28m
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. 30h 28m 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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