How do I get Price Alerts for flights from Detroit to Perth?

Confirm your travel details to search for the latest offers for flights from Detroit to Perth . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Detroit to Perth with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Detroit to Perth Airport?

Prices for flights from Detroit to Perth Airport are refreshed on a daily basis.

How old do you have to be to fly from Detroit to Perth Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Detroit to Perth Airport.

What documentation or ID do you need to fly to Perth Airport?

The necessary travel and health documents for your Perth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,961 Cheap Flights from Detroit to Perth in 2026

Find the cheapest flights from Detroit to Perth

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:30 - 22:55DTW Detroit Metropolitan Wayne County-PER Perth

64h 25m2 stops Seattle/Tacoma Intl Hong Kong Intl

08:30 - 15:48PER Perth-DTW Detroit Metropolitan Wayne County

68h 18m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,961Multiple Airlines

Sun, 31 Jan - Sun, 14 Feb

10:22 - 06:50DTW Detroit Metropolitan Wayne County-PER Perth

32h 28m2 stops Chicago O'Hare Intl Hong Kong Intl

00:25 - 21:42PER Perth-DTW Detroit Metropolitan Wayne County

34h 17m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,962Multiple Airlines

Tue, 20 Oct - Mon, 2 Nov

07:00 - 06:50DTW Detroit Metropolitan Wayne County-PER Perth

35h 50m2 stops Chicago O'Hare Intl Hong Kong Intl

00:25 - 20:40PER Perth-DTW Detroit Metropolitan Wayne County

33h 15m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,968Cathay Pacific

Mon, 19 Oct - Mon, 2 Nov

20:54 - 22:55DTW Detroit Metropolitan Wayne County-PER Perth

62h 01m2 stops Chicago O'Hare Intl Hong Kong Intl

00:25 - 20:40PER Perth-DTW Detroit Metropolitan Wayne County

33h 15m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,975Cathay Pacific

Sun, 25 Oct - Sun, 8 Nov

17:24 - 06:55DTW Detroit Metropolitan Wayne County-PER Perth

48h 31m2 stops Chicago O'Hare Intl Hong Kong Intl

08:30 - 21:34PER Perth-DTW Detroit Metropolitan Wayne County

50h 04m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,032Cathay Pacific

Sun, 31 Jan - Mon, 15 Feb

10:22 - 06:55DTW Detroit Metropolitan Wayne County-PER Perth

32h 33m2 stops Chicago O'Hare Intl Hong Kong Intl

08:30 - 20:40PER Perth-DTW Detroit Metropolitan Wayne County

49h 10m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,038Cathay Pacific

Sat, 24 Oct - Sun, 8 Nov

19:15 - 06:50DTW Detroit Metropolitan Wayne County-PER Perth

47h 35m2 stops Dallas/Fort Worth Hong Kong Intl

00:25 - 23:52PER Perth-DTW Detroit Metropolitan Wayne County

36h 27m2 stops Hong Kong Intl Dallas/Fort Worth

$2,039Cathay Pacific

Wed, 21 Oct - Tue, 3 Nov

10:22 - 22:55DTW Detroit Metropolitan Wayne County-PER Perth

47h 33m2 stops Chicago O'Hare Intl Hong Kong Intl

00:25 - 23:42PER Perth-DTW Detroit Metropolitan Wayne County

35h 17m2 stops Hong Kong Intl Dallas/Fort Worth

$2,086Cathay Pacific

Thu, 25 Feb - Mon, 15 Mar

10:10 - 22:55DTW Detroit Metropolitan Wayne County-PER Perth

47h 45m2 stops Chicago O'Hare Intl Hong Kong Intl

08:30 - 20:06PER Perth-DTW Detroit Metropolitan Wayne County

48h 36m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,095Cathay Pacific

Sat, 30 Jan - Mon, 15 Feb

13:34 - 06:50DTW Detroit Metropolitan Wayne County-PER Perth

29h 16m2 stops Chicago O'Hare Intl Hong Kong Intl

08:20 - 20:06PER Perth-DTW Detroit Metropolitan Wayne County

47h 46m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,102Multiple Airlines

Sun, 11 Oct - Sun, 18 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Cathay Pacific flights from Detroit to Perth

Our best Cathay Pacific deals on Detroit to Perth flight tickets

Cathay Pacific

19 Oct

DTW07:00Detroit Metropolitan Wayne County

35h 50m

2 stops

PER06:50Perth

3 Nov

PER00:25Perth

33h 15m

2 stops

DTW20:40Detroit Metropolitan Wayne County

$1,968

Cathay Pacific

25 Oct

DTW20:54Detroit Metropolitan Wayne County

62h 01m

2 stops

PER22:55Perth

8 Nov

PER00:25Perth

33h 15m

2 stops

DTW20:40Detroit Metropolitan Wayne County

$1,975

Cathay Pacific

31 Jan

DTW17:24Detroit Metropolitan Wayne County

48h 31m

2 stops

PER06:55Perth

15 Feb

PER08:30Perth

50h 04m

2 stops

DTW21:34Detroit Metropolitan Wayne County

$2,032

Qantas Airways flights from Detroit to Perth

Our best Qantas Airways deals on Detroit to Perth flight tickets

Qantas Airways

30 Jan

DTW16:36Detroit Metropolitan Wayne County

32h 34m

2 stops

PER14:10Perth

14 Feb

PER23:10Perth

29h 36m

2 stops

DTW15:46Detroit Metropolitan Wayne County

$2,294

Qantas Airways

1 Feb

DTW16:36Detroit Metropolitan Wayne County

59h 39m

2 stops

PER17:15Perth

15 Feb

PER23:10Perth

32h 24m

2 stops

DTW18:34Detroit Metropolitan Wayne County

$2,308

Qantas Airways

1 Feb

DTW16:36Detroit Metropolitan Wayne County

32h 34m

2 stops

PER14:10Perth

14 Feb

PER23:10Perth

29h 36m

2 stops

DTW15:46Detroit Metropolitan Wayne County

$2,315

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sun 31/1

17:30-22:55

2 stops64h 25m

Perth

Sun 14/2

08:30-15:48

2 stops68h 18m

$1,961

Fastest return journey

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Tue 20/10

10:22-06:50

2 stops32h 28m

Perth

Mon 2/11

00:25-21:42

2 stops34h 17m

$1,962

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Mon 19/10

07:00-06:50

2 stops35h 50m

Perth

Mon 2/11

00:25-20:40

2 stops33h 15m

$1,968

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sun 25/10

20:54-22:55

2 stops62h 01m

Perth

Sun 8/11

00:25-20:40

2 stops33h 15m

$1,975

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sun 31/1

17:24-06:55

2 stops48h 31m

Perth

Mon 15/2

08:30-21:34

2 stops50h 04m

$2,032

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sat 24/10

10:22-06:55

2 stops32h 33m

Perth

Sun 8/11

08:30-20:40

2 stops49h 10m

$2,038

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Wed 21/10

19:15-06:50

2 stops47h 35m

Perth

Tue 3/11

00:25-23:52

2 stops36h 27m

$2,039

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Thu 25/2

10:22-22:55

2 stops47h 33m

Perth

Mon 15/3

00:25-23:42

2 stops35h 17m

$2,086

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sat 30/1

10:10-22:55

2 stops47h 45m

Perth

Mon 15/2

08:30-20:06

2 stops48h 36m

$2,095

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Sun 11/10

13:34-06:50

2 stops29h 16m

Perth

Sun 18/10

08:20-20:06

2 stops47h 46m

$2,102

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Detroit to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Perth according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Detroit to Perth (DTT to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Perth

Best price found	$1,961
Fastest flight time	28h 40m
Direct flights	None

The best flight deal from Detroit to Perth found on momondo in the last 72 hours is $1,961

The fastest flight from Detroit to Perth takes 28h 40m

There are no direct flights from Detroit to Perth. There are no popular flight routes from Detroit to Perth.

Search flight deals

Frequently asked questions about flying from Detroit to Perth

How far is Detroit to Perth by plane?
Perth is 17974.5 km away from Detroit. 28h 40m is a normal flight duration for this route.
When did momondo last update prices for flights from Detroit to Perth Airport?
Prices for flights from Detroit to Perth Airport are refreshed on a daily basis.
How old do you have to be to fly from Detroit to Perth Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Detroit to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The necessary travel and health documents for your Perth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Detroit to Perth

How do I get Price Alerts for flights from Detroit to Perth?
Confirm your travel details to search for the latest offers for flights from Detroit to Perth. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Detroit to Perth with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Mandurah

Fremantle

Rottnest Island

Scarborough

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Perth?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Detroit to Perth . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Detroit to Perth with flexible booking policies on momondo?

Flights from Detroit to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Detroit to Perth?

momondo provides multiple filters to help you find the best flight to Perth from Detroit. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Detroit to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Detroit and alert you when they change.

An easier way to manage your Perth trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 30/9

Wed 7/10

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Nearby airports

Cabin classes

Other Australia destinations

Complete your trip

Feeling lucky

Airports servicing Western Australia

Cheap flights from Detroit to Perth from $1,961

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Perth departing on 31/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Detroit to Perth

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Cathay Pacific flights from Detroit to Perth

Our best Cathay Pacific deals on Detroit to Perth flight tickets

Qantas Airways flights from Detroit to Perth

Our best Qantas Airways deals on Detroit to Perth flight tickets

momondo Fare Finder

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

When to book flights from Detroit to Perth

Cheap Detroit to Perth (DTT to PER) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Detroit to Perth

Frequently asked questions about flying from Detroit to Perth

Travelling to a place near Perth?

Why use momondo?

An easier way to manage your Perth trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing Western Australia

Cabin classes currently available on flights to Perth

List of cabin classes available on flights landing in Perth. Availability may vary depending on flight origin and airline.

Popular Cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Complete your trip to Perth

Explore popular destinations other users love

According to popular flight searches on momondo this year