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Cheap flights from Detroit to Perth from $2,142

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 27/1. 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
16:46 - 11:55-
54h 09m
Multiple Airlines Logo
22:45 - 15:48-
54h 03m
$2,142Multiple Airlines
Wed, 27 Jan - Wed, 10 Feb
Multiple Airlines Logo
16:00 - 00:40-
44h 40m
Multiple Airlines Logo
12:15 - 13:55-
37h 40m
$2,229Multiple Airlines
Mon, 21 Sep - Sun, 4 Oct
Multiple Airlines Logo
18:50 - 15:45-
56h 55m
Multiple Airlines Logo
23:55 - 14:12-
50h 17m
$2,239Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
Multiple Airlines Logo
06:40 - 06:50-
36h 10m
Multiple Airlines Logo
08:20 - 19:36-
47h 16m
$2,264Multiple Airlines
Thu, 3 Sep - Wed, 16 Sep
Qantas Airways Logo
17:35 - 14:10-
31h 35m
Qantas Airways Logo
22:35 - 17:45-
32h 10m
$2,280Qantas Airways
Tue, 26 Jan - Tue, 9 Mar
Qantas Airways Logo
17:35 - 14:10-
31h 35m
Qantas Airways Logo
22:35 - 15:09-
29h 34m
$2,289Qantas Airways
Tue, 26 Jan - Tue, 9 Mar
American Airlines Logo
11:43 - 11:15-
35h 32m
American Airlines Logo
22:55 - 18:25-
31h 30m
$2,368American Airlines
Mon, 21 Sep - Sun, 4 Oct
Qantas Airways Logo
13:20 - 12:30-
34h 10m
Qantas Airways Logo
22:35 - 17:45-
32h 10m
$2,400Qantas Airways
Tue, 26 Jan - Tue, 9 Mar
Qantas Airways Logo
13:20 - 12:30-
34h 10m
Qantas Airways Logo
22:35 - 17:45-
32h 10m
$2,405Qantas Airways
Tue, 26 Jan - Tue, 9 Mar
Qantas Airways Logo
19:46 - 17:00-
33h 14m
Qantas Airways Logo
23:55 - 19:01-
31h 06m
$2,410Qantas Airways
Thu, 3 Sep - Wed, 16 Sep

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American Airlines flights from Detroit to Perth

Our best American Airlines deals on Detroit to Perth flight tickets
American Airlines
21 Sept
DTW11:43Detroit Metropolitan Wayne County
35h 32m
2 stops
PER11:15Perth
4 Oct
PER22:55Perth
31h 30m
3 stops
DTW18:25Detroit Metropolitan Wayne County
$2,368
American Airlines
3 Sept
DTW06:30Detroit Metropolitan Wayne County
43h 05m
3 stops
PER13:35Perth
16 Sept
PER23:55Perth
35h 48m
2 stops
DTW23:43Detroit Metropolitan Wayne County
$2,949
American Airlines
3 Sept
DTW06:30Detroit Metropolitan Wayne County
43h 05m
3 stops
PER13:35Perth
16 Sept
PER23:55Perth
44h 49m
3 stops
DTW08:44Detroit Metropolitan Wayne County
$2,998

United Airlines flights from Detroit to Perth

Our best United Airlines deals on Detroit to Perth flight tickets
United Airlines
26 Jan
DTW18:00Detroit Metropolitan Wayne County
55h 30m
3 stops
PER14:30Perth
9 Mar
PER23:45Perth
33h 55m
2 stops
DTW20:40Detroit Metropolitan Wayne County
$2,549
United Airlines
26 Jan
DTW18:00Detroit Metropolitan Wayne County
55h 30m
3 stops
PER14:30Perth
9 Mar
PER23:45Perth
33h 55m
2 stops
DTW20:40Detroit Metropolitan Wayne County
$2,555
United Airlines
26 Jan
DTW18:00Detroit Metropolitan Wayne County
55h 30m
3 stops
PER14:30Perth
9 Mar
PER23:45Perth
33h 55m
2 stops
DTW20:40Detroit Metropolitan Wayne County
$2,556

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 4 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 - PER

DTWPER

Detroit Metropolitan Wayne County

Wed 27/1

16:46-11:55

2 stops54h 09m

Perth

Wed 10/2

22:45-15:48

2 stops54h 03m

$2,142

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 21/9

16:00-00:40

2 stops44h 40m

Perth

Sun 4/10

12:15-13:55

2 stops37h 40m

$2,229

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 31/8

18:50-15:45

3 stops56h 55m

Perth

Mon 7/9

23:55-14:12

3 stops50h 17m

$2,239

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 3/9

06:40-06:50

2 stops36h 10m

Perth

Wed 16/9

08:20-19:36

2 stops47h 16m

$2,264

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 26/1

17:35-14:10

2 stops31h 35m

Perth

Tue 9/3

22:35-17:45

2 stops32h 10m

$2,280
Fastest return journey

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 26/1

17:35-14:10

2 stops31h 35m

Perth

Tue 9/3

22:35-15:09

2 stops29h 34m

$2,289

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 21/9

11:43-11:15

2 stops35h 32m

Perth

Sun 4/10

22:55-18:25

3 stops31h 30m

$2,368

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 26/1

13:20-12:30

2 stops34h 10m

Perth

Tue 9/3

22:35-17:45

2 stops32h 10m

$2,400

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 26/1

13:20-12:30

2 stops34h 10m

Perth

Tue 9/3

22:35-17:45

2 stops32h 10m

$2,405

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 3/9

19:46-17:00

2 stops33h 14m

Perth

Wed 16/9

23:55-19:01

2 stops31h 06m

$2,410

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

31h 35m

Direct flights

None
The fastest flight from Detroit to Perth takes 31h 35m
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. 31h 35m 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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