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Cheap flights from Detroit to Perth from $1,414

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
18 Apr — 25 Apr1
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 19 March 2026.

Thu 30/411:05
DTW
-
PER
2 stops47h 10m
Air New Zealand
Thu 7/523:50
PER
-
DTW
2 stops35h 57m
Air New Zealand
Deal found 15/3$2,270
Mon 11/509:00
DTW
-
PER
2 stops43h 00m
Air New Zealand
Wed 20/519:50
PER
-
DTW
2 stops38h 34m
Air New Zealand
Deal found 13/3$2,273
Fri 31/706:34
DTW
-
PER
2 stops51h 41m
Air New Zealand
Sat 22/823:50
PER
-
DTW
2 stops54h 11m
Air New Zealand
Deal found 15/3$2,309
Mon 11/514:55
DTW
-
PER
3 stops36h 00m
Multiple Airlines
Wed 20/523:45
PER
-
DTW
3 stops46h 23m
Multiple Airlines
Deal found 13/3$2,352
Mon 11/515:42
DTW
-
PER
2 stops33h 53m
American Airlines
Wed 20/523:55
PER
-
DTW
2 stops34h 44m
American Airlines
Deal found 13/3$2,360
Fri 31/719:26
DTW
-
PER
2 stops30h 09m
Qantas Airways
Sat 22/812:25
PER
-
DTW
2 stops42h 26m
Qantas Airways
Deal found 18/3$2,408
Fri 31/717:29
DTW
-
PER
2 stops31h 01m
United Airlines
Sat 22/813:15
PER
-
DTW
3 stops40h 46m
United Airlines
Deal found 15/3$2,413
Thu 30/417:14
DTW
-
PER
2 stops54h 41m
Multiple Airlines
Mon 4/522:45
PER
-
DTW
2 stops37h 01m
Multiple Airlines
Deal found 15/3$2,425

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 19 March 2026.

Round-trip from

$2,270

One-way from

$1,414
Air New Zealand
  • Air New Zealand
  • 30/4-7/5
  • 4 total stops
  • 83h 07m total
  • Detroit to Perth
Search Deals
5/7
  • 5/7
  • 3 total stops
  • 55h 25m total
  • Detroit to Perth
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 19 March 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 return flight
Fastest return journey

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 11/5

15:42-13:35

2 stops33h 53m

Perth

Wed 20/5

23:55-22:39

2 stops34h 44m

$2,360

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 31/7

17:29-12:30

2 stops31h 01m

Perth

Sat 22/8

13:15-18:01

3 stops40h 46m

$2,413

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 30/4

17:14-11:55

2 stops54h 41m

Perth

Mon 4/5

22:45-23:46

2 stops37h 01m

$2,425

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 9/5

06:00-18:35

2 stops48h 35m

Perth

Wed 13/5

15:40-23:46

2 stops44h 06m

$2,589

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 30/4

08:35-12:30

2 stops39h 55m

Perth

Thu 7/5

23:45-18:50

2 stops31h 05m

$2,859
Cheapest one-way

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 5/7

20:50-16:15

3 stops55h 25m

$1,414
Fastest single journey

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 5/7

13:04-18:35

2 stops41h 31m

$1,582

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 5/7

21:20-08:55

1 stop47h 35m

$9,708

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Sorted by cheapest first

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
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 31h 01m. Fly via American Airlines or United Airlines 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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