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Perth

$693+ Cheap flights from Detroit (DTT) to Perth (PER)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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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 January 21, 2026.

This Gurufare deal was found by Cheapflights users on 1/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:35 pm
DTW
-
PER
2 stops38h 20m
Cathay Pacific
Thu 11/1912:25 am
PER
-
DTW
2 stops31h 22m
Cathay Pacific
Deal found 1/20$1,464
This Bravofly deal was found by Cheapflights users on 1/20. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:30 am
DTW
-
PER
2 stops31h 25m
Multiple Airlines
Fri 3/1311:10 pm
PER
-
DTW
2 stops31h 30m
Multiple Airlines
Deal found 1/20$1,470
This Cathay Pacific deal was found by Cheapflights users on 1/20. 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.
Tue 4/143:40 pm
DTW
-
PER
2 stops43h 00m
Multiple Airlines
Mon 4/2012:10 am
PER
-
DTW
2 stops33h 10m
Multiple Airlines
Deal found 1/20$1,524
This Cathay Pacific deal was found by Cheapflights users on 1/20. 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 10/187:53 pm
DTW
-
PER
2 stops38h 47m
Multiple Airlines
Fri 10/3012:25 am
PER
-
DTW
2 stops32h 39m
Multiple Airlines
Deal found 1/20$1,546
This Qantas Airways deal was found by Cheapflights users on 1/20. 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.
Sun 2/154:01 pm
DTW
-
PER
2 stops37h 14m
Qantas Airways
Wed 2/185:30 am
PER
-
DTW
2 stops31h 29m
Qantas Airways
Deal found 1/20$1,905
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 4/147:10 am
DTW
-
PER
2 stops43h 30m
United Airlines
Tue 4/2111:45 pm
PER
-
DTW
3 stops33h 40m
United Airlines
Deal found 1/20$2,007
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:15 pm
DTW
-
PER
3 stops54h 35m
Multiple Airlines
Fri 11/2010:45 pm
PER
-
DTW
3 stops55h 51m
Multiple Airlines
Deal found 1/20$2,254

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,470
(Bravofly)

One-way from

$693
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$1,293
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
One-way flight from Detroit (DTT) to Perth
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($385 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($91 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
Use the filters below to find and compare flights from Detroit to Perth that are best for you.

Fly from

Detroit

Fly to

Perth

Route

Depart

Return

Price

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 3/6

10:30 am-6:55 am

2 stops31h 25m

Perth

Fri 3/13

11:10 pm-6:40 pm

2 stops31h 30m

$1,470

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 4/14

3:40 pm-10:40 pm

2 stops43h 00m

Perth

Mon 4/20

12:10 am-9:20 pm

2 stops33h 10m

$1,524

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 2/15

4:01 pm-8:20 pm

2 stops39h 19m

Perth

Wed 2/18

7:10 am-11:59 pm

2 stops29h 49m

$1,905

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 4/14

7:10 am-2:40 pm

2 stops43h 30m

Perth

Tue 4/21

11:45 pm-9:25 pm

3 stops33h 40m

$2,007

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 4/14

9:20 pm-8:55 am

1 stop47h 35m

Perth

Tue 4/21

12:25 pm-6:50 pm

2 stops42h 25m

$4,217

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 2/15

6:15 pm-2:30 pm

3 stops55h 15m

Perth

Wed 2/18

10:55 pm-5:35 pm

3 stops55h 40m

$10,921

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 2/15

6:14 pm-3:55 pm

3 stops56h 41m

$693

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 5/15

6:14 pm-6:35 pm

3 stops36h 21m

$732

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 5/15

7:16 pm-11:15 am

2 stops51h 59m

$797

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Wed 7/1

5:25 pm-2:40 pm

2 stops33h 15m

$1,137

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 12 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Expedia the most. Expedia 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

How much does it cost to fly round-trip from Detroit to Perth?

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated January 21, 2026.
Read through reviews of airlines operating flights from Detroit to Perth, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
973 reviews

Food

7.0

Crew

8.2

Overall

7.5

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
973 reviews
Qantas Airways
7.5
Good
973 reviews

Food

7.0

Crew

8.2

Overall

7.5

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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 39h 19m. Fly via Qantas Airways to get the fastest option. The distance between Detroit and Perth is about 11154 mi.

  • What is the cheapest airline to fly from Detroit to Perth round-trip?

    Cheapflights users have booked flights from Detroit to Perth round-trip from $1,156. Users have found that Qantas Airways is 23% cheaper than the other options available to this destination.

  • 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

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Rottnest Island
Scarborough

Browse thousands of different options on Cheapflights for your next trip

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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
Detroit to Perth flights
Grand Rapids to Perth flights
O'Hare Intl to Broome flights

Top airline flying from Detroit to Perth

Discover the top airline that operate flights from Detroit to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,156Average$1,331FlexibilityNo cancel feeOn-time74%

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