HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Perth

$1,329+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Perth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 October 23, 2025.

This lastminute.com deal was found by Cheapflights users on 10/21. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:46 pmDTW - PER
2 stops39h 09mCathay Pacific
Mon 11/108:30 amPER - DTW
2 stops46h 49mCathay Pacific
Deal found 10/21$1,329
This Cathay Pacific deal was found by Cheapflights users on 10/22. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:35 pmDTW - PER
2 stops38h 20mCathay Pacific
Mon 11/178:30 amPER - DTW
2 stops46h 49mCathay Pacific
Deal found 10/22$1,686
This Qatar Airways deal was found by Cheapflights users on 10/21. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amDTW - PER
2 stops47h 45mQatar Airways
Mon 11/1710:45 pmPER - DTW
2 stops37h 12mQatar Airways
Deal found 10/21$1,771
This Qatar Airways deal was found by Cheapflights users on 10/21. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:59 pmDTW - PER
2 stops38h 41mQatar Airways
Sat 10/2510:45 pmPER - DTW
2 stops49h 39mQatar Airways
Deal found 10/21$2,080
This Mytrip deal was found by Cheapflights users on 10/21. 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.
Tue 10/219:00 pmDTW - PER
2 stops32h 35mMultiple Airlines
Sat 10/2510:15 amPER - DTW
3 stops39h 11mMultiple Airlines
Deal found 10/21$2,427
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:10 amDTW - PER
2 stops37h 15mMultiple Airlines
Mon 11/108:20 pmPER - DTW
1 stop30h 20mMultiple Airlines
Deal found 10/21$3,942
This Air France deal was found by Cheapflights users on 10/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:20 pmDTW - PER
2 stops37h 35mAir France
Mon 11/178:20 pmPER - DTW
1 stop35h 35mAir France
Deal found 10/22$4,236
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 10/2710:55 amDTW - PER
3 stops37h 30mAmerican Airlines
Mon 11/1010:40 pmPER - DTW
2 stops33h 02mAmerican Airlines
Deal found 10/21$4,650

Cheap 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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,345
(Cathay Pacific)

Popular in

July

Cheapest in

March

Average price

$1,579
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
Highest demand for flights based on searches. 19% potential increase in price ($376 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($90 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 23, 2025.
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

Tue 3/3

12:22 pm-6:55 am

2 stops29h 33m

Perth

Mon 3/16

12:25 am-10:47 pm

2 stops34h 22m

$1,345

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 3/3

12:22 pm-6:55 am

2 stops29h 33m

Perth

Tue 3/17

8:30 am-8:59 pm

2 stops48h 29m

$1,361

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 1/17

1:20 pm-10:10 am

2 stops31h 50m

Perth

Sat 2/28

5:30 am-8:07 pm

2 stops27h 37m

$1,451

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 11/13

7:35 pm-10:55 pm

2 stops38h 20m

Perth

Mon 11/17

8:30 am-6:19 pm

2 stops46h 49m

$1,686

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 11/13

6:00 am-6:45 pm

2 stops47h 45m

Perth

Mon 11/17

10:45 pm-10:57 pm

2 stops37h 12m

$1,771

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 1/5

6:00 am-6:45 pm

2 stops47h 45m

Perth

Sat 1/31

10:45 pm-11:56 pm

2 stops38h 11m

$1,918

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 1/5

6:39 pm-6:55 am

2 stops47h 16m

Perth

Fri 1/30

12:25 am-8:37 pm

2 stops33h 12m

$1,984

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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

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 October 23, 2025.
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
922 reviews

Entertainment

7.2

Crew

8.2

Food

7.0

Boarding

7.7

Comfort

7.5

Overall

7.5

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
922 reviews
Qantas Airways
7.5
Good
922 reviews

Entertainment

7.2

Crew

8.2

Food

7.0

Boarding

7.7

Comfort

7.5

Overall

7.5

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 29h 33m. Fly via Cathay Pacific or Qantas Airways to get the fastest option. The distance between Detroit and Perth is about 11154 mi. This flight may include one or multiple stops.

  • 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 24% 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
Fremantle
Rottnest Island
Scarborough

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
O'Hare Intl to Broome flights
Grand Rapids to Perth 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,156Average$1,339FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.