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Cheap flights from Detroit to Perth from $2,072

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
3 Mar — 10 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Detroit to Perth

Enter your travel dates to find the best prices.

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 1 February 2026.

Wed 18/316:01
DTW
-
PER
2 stops27h 44m
Qantas Airways
Wed 25/305:30
PER
-
DTW
2 stops27h 49m
Qantas Airways
Deal found 1/2$2,072
Thu 5/1105:33
DTW
-
PER
2 stops36h 22m
Multiple Airlines
Fri 20/1100:25
PER
-
DTW
2 stops32h 48m
Multiple Airlines
Deal found 1/2$2,114
Wed 4/1115:50
DTW
-
PER
2 stops41h 00m
Qantas Airways
Sat 21/1105:00
PER
-
DTW
2 stops50h 43m
Qantas Airways
Deal found 1/2$2,137
Sun 1/319:31
DTW
-
PER
2 stops38h 24m
Cathay Pacific
Mon 9/308:30
PER
-
DTW
2 stops51h 29m
Cathay Pacific
Deal found 29/1$2,244
Tue 17/318:32
DTW
-
PER
2 stops31h 58m
Multiple Airlines
Tue 24/308:00
PER
-
DTW
2 stops33h 05m
Multiple Airlines
Deal found 31/1$2,247
Sat 24/1010:35
DTW
-
PER
2 stops32h 20m
Cathay Pacific
Fri 20/1100:25
PER
-
DTW
2 stops31h 22m
Cathay Pacific
Deal found 31/1$2,303
Wed 18/318:32
DTW
-
PER
2 stops31h 58m
Multiple Airlines
Wed 25/308:00
PER
-
DTW
3 stops32h 35m
Multiple Airlines
Deal found 1/2$2,312
Sat 24/1014:55
DTW
-
PER
3 stops34h 55m
Multiple Airlines
Sat 21/1122:45
PER
-
DTW
3 stops55h 51m
Multiple Airlines
Deal found 31/1$2,379
Mon 8/619:41
DTW
-
PER
2 stops33h 19m
Qantas Airways
Mon 15/623:55
PER
-
DTW
2 stops30h 56m
Qantas Airways
Deal found 1/2$2,590

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 1 February 2026.

Round-trip from

$2,244

Popular in

July

Cheapest in

March

Average price

$1,949
Cathay Pacific
  • Cathay Pacific
  • 1/3-9/3
  • 4 total stops
  • 89h 53m total
  • Detroit to Perth
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($791 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($188 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 1 February 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

Wed 18/3

16:01-07:45

2 stops27h 44m

Perth

Wed 25/3

05:30-21:19

2 stops27h 49m

$2,072

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 1/3

19:31-22:55

2 stops38h 24m

Perth

Mon 9/3

08:30-23:59

2 stops51h 29m

$2,244

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 17/3

18:32-14:30

2 stops31h 58m

Perth

Tue 24/3

08:00-05:05

2 stops33h 05m

$2,247

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Wed 18/3

18:32-14:30

2 stops31h 58m

Perth

Wed 25/3

08:00-04:35

3 stops32h 35m

$2,312

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 8/6

19:41-17:00

2 stops33h 19m

Perth

Mon 15/6

23:55-18:51

2 stops30h 56m

$2,590

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 14/2

10:30-22:55

2 stops47h 25m

Perth

Tue 17/2

00:25-23:59

2 stops36h 34m

$2,787

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 14/2

11:11-18:45

2 stops42h 34m

Perth

Wed 18/2

22:45-23:59

2 stops38h 14m

$2,995

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 1/3

18:15-14:30

3 stops55h 15m

Perth

Mon 9/3

15:15-17:35

3 stops62h 20m

$3,385

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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 return 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 for a return flight from Detroit to Perth?

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 27h 44m. Fly via Qantas Airways or Cathay Pacific to get the fastest option. There are 17951 km between Detroit and Perth. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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

Travelling to a place near Perth?

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

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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

Fly with Cheapflights

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How does Cheapflights help users find flights from Detroit to Perth?

Deals for Detroit to Perth flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Perth?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Detroit to Perth for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Detroit to Perth with no change fees?

Yes, we can. To see specific flights from Detroit to Perth with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Detroit to Perth become cheaper?

Not ready to book yet? You can track prices for flights from Detroit to Perth on Cheapflights with our Price Alert feature and get notified when better prices are available.

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