How long is the flight from Detroit to Perth?

There are many flights that can get you from Detroit to Perth in 33h 25m. Fly via Qantas Airways, 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. Find deals

What is the cheapest month to book a flight from Detroit to Perth?

Currently, May is the cheapest month in which you can book a flight from Detroit to Perth (average of $286). Flying from Detroit to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options. Find deals

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm. Find deals

If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C). Find deals

What is the cheapest month to fly from Detroit to Perth?

The best pricing can be found in the month of March. Prices to Perth from Detroit average $2,441. You can even find prices in March for less than $2,441, as users have found deals to Perth from as low as $1,861. The month of July appears to be one of the more expensive times to travel to Perth from Detroit. Flying in the targeted month can save you up to 48%.

What is the cheapest time of day to fly from DTT to PER?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to Perth as you normally would.

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.

$1,573+ Flights from Detroit to Perth

Cheap flight deals from Detroit to Perth

Round-trip from	$1,970
One-way from	$1,573
Popular in	July
Cheapest in	March
Average price	$1,948

Qantas Airways
11/11-18/11
4 total stops
60h 07m total
Detroit to Perth

Search Deals

24/12
3 total stops
57h 10m total
Detroit to Perth

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($618 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($181 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 16 September 2025.

Tue 11/1115:50DTW - PER

2 stops33h 25mQantas Airways

Tue 18/1105:00PER - DTW

2 stops26h 42mQantas Airways

Deal found 15/9$1,970

Mon 8/1211:48DTW - PER

2 stops43h 32mQantas Airways

Sat 20/1222:40PER - DTW

2 stops29h 05mQantas Airways

Deal found 14/9$2,166

Tue 11/1115:50DTW - PER

2 stops42h 05mCathay Pacific

Mon 17/1100:25PER - DTW

2 stops30h 54mCathay Pacific

Deal found 15/9$2,269

Thu 6/1112:40DTW - PER

2 stops34h 20mQatar Airways

Tue 25/1122:45PER - DTW

2 stops34h 52mQatar Airways

Deal found 14/9$2,281

Wed 29/1016:50DTW - PER

2 stops30h 30mUnited Airlines

Wed 5/1116:45PER - DTW

2 stops36h 54mUnited Airlines

Deal found 14/9$2,302

Thu 6/1115:12DTW - PER

2 stops42h 38mCathay Pacific

Mon 24/1100:15PER - DTW

2 stops30h 51mCathay Pacific

Deal found 14/9$2,517

Thu 13/1110:59DTW - PER

2 stops38h 31mUnited Airlines

Mon 17/1116:45PER - DTW

2 stops36h 54mUnited Airlines

Deal found 14/9$2,542

Thu 13/1119:35DTW - PER

2 stops38h 15mCathay Pacific

Sun 16/1100:15PER - DTW

2 stops31h 04mCathay Pacific

Deal found 14/9$2,614

Mon 29/912:16DTW - PER

2 stops66h 24mQatar Airways

Thu 2/1022:45PER - DTW

2 stops48h 46mQatar Airways

Deal found 15/9$2,838

Wed 1/1012:16DTW - PER

2 stops66h 24mQatar Airways

Mon 1/1222:45PER - DTW

2 stops37h 12mQatar Airways

Deal found 15/9$2,880

Tue 11/1118:15DTW - PER

3 stops62h 25mMultiple Airlines

Tue 18/1122:45PER - DTW

2 stops54h 10mMultiple Airlines

Deal found 15/9$2,911

Best flights from Detroit to Perth
Discover carefully curated flight deals from Detroit to Perth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Tue 11/1115:50DTW - PER

2 stops33h 25mQantas Airways

Tue 18/1105:00PER - DTW

2 stops26h 42mQantas Airways

Deal found 15/9$1,970

Tue 11/1115:50DTW - PER

2 stops42h 05mCathay Pacific

Mon 17/1100:25PER - DTW

2 stops30h 54mCathay Pacific

Deal found 15/9$2,269

Thu 6/1112:40DTW - PER

2 stops34h 20mQatar Airways

Tue 25/1122:45PER - DTW

2 stops34h 52mQatar Airways

Deal found 14/9$2,281

Wed 29/1016:50DTW - PER

2 stops30h 30mUnited Airlines

Wed 5/1116:45PER - DTW

2 stops36h 54mUnited Airlines

Deal found 14/9$2,302

Thu 6/1115:12DTW - PER

2 stops42h 38mCathay Pacific

Mon 24/1100:15PER - DTW

2 stops30h 51mCathay Pacific

Deal found 14/9$2,517

Thu 13/1116:47DTW - PER

2 stops32h 43mUnited Airlines

Mon 17/1116:45PER - DTW

2 stops36h 54mUnited Airlines

Deal found 13/9$2,542

Thu 13/1119:35DTW - PER

2 stops38h 15mCathay Pacific

Sun 16/1100:15PER - DTW

2 stops31h 04mCathay Pacific

Deal found 13/9$2,614

Last-minute flights from Detroit to Perth
Discover last-minute flight deals from Detroit to Perth. Data last updated 16 September 2025 and is based on user searches.

Mon 29/912:16DTW - PER

2 stops66h 24mQatar Airways

Thu 2/1022:45PER - DTW

2 stops48h 46mQatar Airways

Deal found 15/9$2,838

Mon 29/916:10DTW - PER

3 stops34h 55mMultiple Airlines

Thu 2/1021:55PER - DTW

3 stops34h 05mMultiple Airlines

Deal found 15/9$3,572

Mon 29/906:12DTW - PER

2 stops28h 28mCathay Pacific

Wed 1/1000:10PER - DTW

2 stops33h 38mCathay Pacific

Deal found 15/9$4,189

Tue 30/906:12DTW - PER

2 stops48h 28mQatar Airways

Tue 30/1222:45PER - DTW

2 stops38h 14mQatar Airways

Deal found 15/9$2,968

Tue 30/912:39DTW - PER

2 stops46h 01mCathay Pacific

Mon 29/1200:25PER - DTW

2 stops30h 40mCathay Pacific

Deal found 15/9$3,344

Tue 30/909:55DTW - PER

3 stops33h 50mMultiple Airlines

Mon 29/1203:35PER - DTW

3 stops38h 55mMultiple Airlines

Deal found 15/9$4,232

Wed 1/1012:16DTW - PER

2 stops66h 24mQatar Airways

Mon 1/1222:45PER - DTW

2 stops37h 12mQatar Airways

Deal found 15/9$2,880

Wed 1/1021:00DTW - PER

2 stops30h 05mMultiple Airlines

Mon 1/1218:30PER - DTW

3 stops48h 00mMultiple Airlines

Deal found 15/9$3,270

Wed 29/1016:50DTW - PER

2 stops30h 30mUnited Airlines

Wed 5/1116:45PER - DTW

2 stops36h 54mUnited Airlines

Deal found 14/9$2,302

One-way flights from Detroit to Perth
Search for one-way flight options from Detroit to Perth. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Wed 24/1206:40DTW - PER

3 stops57h 10mMultiple Airlines

Deal found 15/9$1,573

Tue 23/1206:40DTW - PER

3 stops56h 40mMultiple Airlines

Deal found 15/9$1,597

Tue 23/1211:53DTW - PER

2 stops30h 52mQantas Airways

Deal found 15/9$1,598

Wed 24/1215:32DTW - PER

2 stops43h 18mQantas Airways

Deal found 15/9$1,609

Sun 21/1206:40DTW - PER

3 stops58h 10mMultiple Airlines

Deal found 15/9$1,625

Sun 21/1206:40DTW - PER

2 stops40h 20mQatar Airways

Deal found 15/9$1,732

Mon 22/1216:52DTW - PER

3 stops58h 03mMultiple Airlines

Deal found 15/9$1,751

Sat 20/1216:17DTW - PER

3 stops58h 38mMultiple Airlines

Deal found 15/9$1,904

Thu 18/1216:15DTW - PER

3 stops58h 40mMultiple Airlines

Deal found 15/9$2,272

Fri 19/1206:40DTW - PER

3 stops44h 15mMultiple Airlines

Deal found 15/9$2,274

Fly from

Fly to

Route

Depart

Return

Price

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 11/11

15:50-14:15

2 stops33h 25m

Perth

Tue 18/11

05:00-18:42

2 stops26h 42m

$1,970

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 11/11

15:50-22:55

2 stops42h 05m

Perth

Mon 17/11

00:25-18:19

2 stops30h 54m

$2,269

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 6/11

12:40-12:00

2 stops34h 20m

Perth

Tue 25/11

22:45-20:37

2 stops34h 52m

$2,281

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Wed 29/10

16:50-11:20

2 stops30h 30m

Perth

Wed 5/11

16:45-16:39

2 stops36h 54m

$2,302

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 6/11

15:12-22:50

2 stops42h 38m

Perth

Mon 24/11

00:15-18:06

2 stops30h 51m

$2,517

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 13/11

16:47-14:30

2 stops32h 43m

Perth

Mon 17/11

16:45-16:39

2 stops36h 54m

$2,542

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 13/11

19:35-22:50

2 stops38h 15m

Perth

Sun 16/11

00:15-18:19

2 stops31h 04m

$2,614

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Wed 24/12

06:40-04:50

3 stops57h 10m

$1,573

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 23/12

06:40-04:20

3 stops56h 40m

$1,597

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 23/12

11:53-07:45

2 stops30h 52m

$1,598

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 18 results

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

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

905 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Qantas Airways

7.5

Good

905 reviews

Qantas Airways

7.5

Good

905 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Related info for your journey

How long is the flight from Detroit to Perth?
There are many flights that can get you from Detroit to Perth in 33h 25m. Fly via Qantas Airways, 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.
What is the cheapest month to book a flight from Detroit to Perth?
Currently, May is the cheapest month in which you can book a flight from Detroit to Perth (average of $286). Flying from Detroit to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to Perth

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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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Cheap flights from Detroit to Perth from $1,573

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 24/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Detroit to Perth

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Detroit to Perth

Cheapest flights from Detroit to PerthExplore 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 16 September 2025.

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 16 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Detroit to Perth that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Perth

Reviews of airlines servicing Perth

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.

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?

Can I find deals for flights from Detroit to Perth that include hotel bookings?

How can I find direct flights from Detroit to Perth?

Can I find deals for business class flights from Detroit to Perth?

What is the cheapest month to book a flight from Detroit to Perth?

Travelling to a place near Perth?

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 16 September 2025.