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Cheap flights from Detroit to Perth from $1,672

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 31 October 2025.

Thu 13/1119:35DTW - PER
2 stops38h 20mCathay Pacific
Mon 17/1108:30PER - DTW
2 stops46h 49mCathay Pacific
Deal found 29/10$2,698
Thu 13/1115:12DTW - PER
2 stops38h 33mQatar Airways
Mon 17/1115:55PER - DTW
2 stops44h 02mQatar Airways
Deal found 28/10$2,781
Thu 13/1121:20DTW - PER
2 stops37h 35mAir France
Mon 17/1120:20PER - DTW
1 stop30h 20mAir France
Deal found 28/10$6,449
Fri 31/1016:09DTW - PER
2 stops43h 41mQantas Airways
Fri 14/1122:40PER - DTW
2 stops29h 20mQantas Airways
Deal found 29/10$6,738
Fri 31/1013:07DTW - PER
2 stops45h 48mCathay Pacific
Thu 13/1100:25PER - DTW
2 stops35h 30mCathay Pacific
Deal found 29/10$12,292
Fri 31/1018:15DTW - PER
3 stops55h 35mMultiple Airlines
Fri 14/1122:40PER - DTW
2 stops33h 02mMultiple Airlines
Deal found 29/10$17,869

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 31 October 2025.

Round-trip from

$2,698

One-way from

$1,672

Popular in

July

Cheapest in

March

Average price

$2,404
Cathay Pacific
  • Cathay Pacific
  • 13/11-17/11
  • 4 total stops
  • 85h 09m total
  • Detroit to Perth
Search Deals
13/12
  • 13/12
  • 3 total stops
  • 47h 51m total
  • Detroit to Perth
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($871 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($210 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 31 October 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

Thu 13/11

19:35-22:55

2 stops38h 20m

Perth

Mon 17/11

08:30-18:19

2 stops46h 49m

$2,698

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 13/11

15:12-18:45

2 stops38h 33m

Perth

Mon 17/11

15:55-22:57

2 stops44h 02m

$2,781

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 8/1

13:08-18:45

2 stops40h 37m

Perth

Tue 13/1

16:35-23:56

2 stops44h 21m

$3,009

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 5/1

08:05-06:55

2 stops33h 50m

Perth

Fri 30/1

00:25-17:19

2 stops29h 54m

$3,015

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 8/1

13:08-18:45

2 stops40h 37m

Perth

Tue 13/1

17:45-19:43

3 stops38h 58m

$3,716

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 13/12

21:59-10:50

3 stops47h 51m

$1,672

Flights are sorted by cheapest return flights first.

Deals found on 29/10

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.

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 31 October 2025.
See what other customers who have flown with Qantas Airways from Detroit to Perth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
925 reviews
Check prices

Overall

7.5

Crew

8.2

Food

7.0

Boarding

7.7

Comfort

7.5

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
925 reviews
Qantas Airways
7.5
Good
925 reviews
Check prices

Overall

7.5

Crew

8.2

Food

7.0

Boarding

7.7

Comfort

7.5

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 38h 20m. Fly via Cathay Pacific or Qatar Airways 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
Mandurah
Fremantle
Rottnest Island

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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

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

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

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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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