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$605+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/3. 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 12/316:15 pmDTW - PER
3 stops34h 05mMultiple Airlines
Mon 1/510:45 pmPER - DTW
2 stops34h 42mMultiple Airlines
Deal found 12/3$2,948
This Air France deal was found by Cheapflights users on 12/3. 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.
Wed 12/316:00 pmDTW - PER
1 stop27h 00mAir France
Mon 1/58:20 pmPER - DTW
1 stop35h 35mAir France
Deal found 12/3$25,000

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,384
(Cathay Pacific)

One-way from

$605
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$1,367
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. 19% potential increase in price ($376 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 December 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 December 4, 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

Mon 1/5

5:30 am-6:55 am

2 stops36h 25m

Perth

Sat 1/31

8:30 am-5:25 pm

2 stops45h 55m

$1,980

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Wed 12/31

9:40 am-6:55 am

2 stops32h 15m

Perth

Mon 1/5

10:45 pm-8:27 pm

2 stops34h 42m

$2,948

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 1/5

6:15 pm-2:30 pm

3 stops55h 15m

Perth

Sat 1/31

3:15 pm-5:35 pm

3 stops63h 20m

$3,878

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 2/1

7:14 pm-5:50 pm

3 stops57h 36m

$605

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 2/1

5:35 pm-9:00 pm

2 stops62h 25m

$904

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 2/1

9:20 pm-10:00 am

1 stop47h 40m

$3,401

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 2/1

5:50 pm-12:25 pm

3 stops29h 35m

$5,991

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Perth flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 4, 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
947 reviews

Crew

8.1

Food

7.0

Boarding

7.7

Overall

7.5

Entertainment

7.2

Comfort

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
947 reviews
Qantas Airways
7.5
Good
947 reviews

Crew

8.1

Food

7.0

Boarding

7.7

Overall

7.5

Entertainment

7.2

Comfort

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.

  • 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 $1,168. 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
Fremantle
Rottnest Island
Scarborough

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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.
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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,168Average$1,355FlexibilityNo cancel feeOn-time74%

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