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Perth

$1,542+ Cheap flights from Detroit (DTT) to Perth (PER)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Detroit to Perth

Cheapest flights from Detroit to Perth
Explore the most affordable flight options available from Detroit to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Expedia deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:41 pm
DTW
-
PER
2 stops60h 54m
Multiple Airlines
Wed 9/1610:45 pm
PER
-
DTW
2 stops42h 37m
Multiple Airlines
Deal found 7/22$1,542
This Expedia deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:43 pm
DTW
-
PER
2 stops60h 02m
Multiple Airlines
Tue 11/1710:45 pm
PER
-
DTW
2 stops55h 02m
Multiple Airlines
Deal found 7/26$1,551
This Ovago deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:56 pm
DTW
-
PER
2 stops29h 54m
Cathay Pacific
Tue 9/1512:10 am
PER
-
DTW
2 stops31h 26m
Cathay Pacific
Deal found 7/27$1,576
This Cathay Pacific deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:01 pm
DTW
-
PER
2 stops45h 39m
Multiple Airlines
Mon 9/148:20 am
PER
-
DTW
2 stops47h 16m
Multiple Airlines
Deal found 7/24$1,578
This Travelocity deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:43 pm
DTW
-
PER
2 stops60h 02m
Multiple Airlines
Wed 11/1810:45 pm
PER
-
DTW
2 stops56h 06m
Multiple Airlines
Deal found 7/24$1,591
This Cathay Pacific deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:10 pm
DTW
-
PER
2 stops44h 45m
Multiple Airlines
Fri 11/612:25 am
PER
-
DTW
2 stops36h 27m
Multiple Airlines
Deal found 7/24$1,712
This Priceline deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:36 pm
DTW
-
PER
2 stops32h 34m
Qantas Airways
Wed 11/1811:10 pm
PER
-
DTW
2 stops29h 36m
Qantas Airways
Deal found 7/24$1,751
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:46 pm
DTW
-
PER
2 stops29h 49m
American Airlines
Wed 9/1611:55 pm
PER
-
DTW
3 stops31h 06m
American Airlines
Deal found 7/22$1,828
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:55 pm
DTW
-
PER
3 stops34h 00m
Air Canada
Wed 9/165:15 pm
PER
-
DTW
3 stops36h 50m
Air Canada
Deal found 7/27$1,836
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:18 pm
DTW
-
PER
3 stops53h 12m
United Airlines
Wed 9/163:30 pm
PER
-
DTW
2 stops38h 36m
United Airlines
Deal found 7/27$1,874
This Qantas Airways deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:10 pm
DTW
-
PER
2 stops42h 00m
Qantas Airways
Thu 10/2910:20 am
PER
-
DTW
2 stops43h 25m
Qantas Airways
Deal found 7/26$1,921

Find flight deals from Detroit to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,542
(Expedia)
Provider with most accurate pricing for Detroit (DTT)-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Perth flights.
Search Deals
From Detroit (DTT) to Perth
Search Deals

Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 2,558,603 searches. Data last updated July 27, 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 round-trip

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 9/3

5:41 pm-6:35 pm

2 stops60h 54m

Perth

Wed 9/16

10:45 pm-5:22 am

2 stops42h 37m

$1,542

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Wed 9/9

12:56 pm-6:50 am

2 stops29h 54m

Perth

Tue 9/15

12:10 am-7:36 pm

2 stops31h 26m

$1,576

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 9/7

1:01 pm-10:40 pm

2 stops45h 39m

Perth

Mon 9/14

8:20 am-7:36 pm

2 stops47h 16m

$1,578
Quickest round-trip

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 9/3

7:46 pm-1:35 pm

2 stops29h 49m

Perth

Wed 9/16

11:55 pm-7:01 pm

3 stops31h 06m

$1,828

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Wed 9/9

7:18 pm-12:30 pm

3 stops53h 12m

Perth

Wed 9/16

3:30 pm-6:06 pm

2 stops38h 36m

$1,874

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 7/31

6:34 am-12:55 pm

2 stops42h 21m

Perth

Sat 8/22

1:15 pm-6:06 pm

2 stops40h 51m

$2,234

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 7/31

6:00 am-6:35 pm

2 stops48h 35m

Perth

Sat 8/22

10:45 pm-9:18 pm

2 stops34h 33m

$2,453

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 7/31

6:45 am-6:50 am

2 stops36h 05m

Perth

Sat 8/22

8:20 am-8:20 pm

2 stops48h 00m

$2,479

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 7/31

6:50 pm-5:00 pm

3 stops58h 10m

Perth

Sat 8/22

1:15 pm-2:16 pm

3 stops61h 01m

$4,240

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Sorted by cheapest first

Compare providers for flights from Detroit to Perth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Perth in July.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Perth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Detroit to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Detroit with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Perth

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Detroit to Perth?

    There are many flights that can get you from Detroit to Perth in 29h 49m. Fly via Cathay Pacific or American Airlines to get the fastest option. The distance between Detroit and Perth is about 11154 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Detroit to Perth that include hotel bookings?

    Yes. In addition to deals on Detroit to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Perth.

  • Can I find deals for business class flights from Detroit to Perth?

    Yes. Cheapflights offers flight deals from Detroit to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Detroit to Perth

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Perth flights

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