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.

$2,046 Cheap Flights from Detroit to Perth in 2026/27

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.

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

35h 50m2 stops Seattle/Tacoma Intl Hong Kong Intl

00:10 - 04:48PER Perth-DTW Detroit Metropolitan Wayne County

40h 38m2 stops Hong Kong Intl Seattle/Tacoma Intl

$2,046Multiple Airlines

Tue, 13 Apr - Mon, 19 Apr

16:46 - 22:55DTW Detroit Metropolitan Wayne County-PER Perth

65h 09m2 stops Seattle/Tacoma Intl Hong Kong Intl

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

67h 18m2 stops Hong Kong Intl Seattle/Tacoma Intl

$2,070Multiple Airlines

Tue, 2 Mar - Tue, 16 Mar

06:44 - 06:55DTW Detroit Metropolitan Wayne County-PER Perth

35h 11m2 stops Chicago O'Hare Intl Hong Kong Intl

08:30 - 21:39PER Perth-DTW Detroit Metropolitan Wayne County

49h 09m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,093Cathay Pacific

Tue, 2 Mar - Wed, 17 Mar

06:44 - 06:55DTW Detroit Metropolitan Wayne County-PER Perth

35h 11m2 stops Chicago O'Hare Intl Hong Kong Intl

00:25 - 21:39PER Perth-DTW Detroit Metropolitan Wayne County

33h 14m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,097Cathay Pacific

Tue, 2 Mar - Sun, 14 Mar

21:10 - 06:55DTW Detroit Metropolitan Wayne County-PER Perth

44h 45m2 stops Chicago O'Hare Intl Hong Kong Intl

08:30 - 21:44PER Perth-DTW Detroit Metropolitan Wayne County

49h 14m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,101Cathay Pacific

Mon, 1 Mar - Tue, 16 Mar

21:10 - 06:55DTW Detroit Metropolitan Wayne County-PER Perth

44h 45m2 stops Chicago O'Hare Intl Hong Kong Intl

08:30 - 21:39PER Perth-DTW Detroit Metropolitan Wayne County

49h 09m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,101Cathay Pacific

Mon, 1 Mar - Wed, 17 Mar

10:16 - 22:55DTW Detroit Metropolitan Wayne County-PER Perth

47h 39m2 stops Chicago O'Hare Intl Hong Kong Intl

00:25 - 23:59PER Perth-DTW Detroit Metropolitan Wayne County

35h 34m2 stops Hong Kong Intl Dallas/Fort Worth

$2,151Cathay Pacific

Wed, 3 Mar - Mon, 15 Mar

19:40 - 22:55DTW Detroit Metropolitan Wayne County-PER Perth

38h 15m2 stops Dallas/Fort Worth Hong Kong Intl

00:25 - 23:59PER Perth-DTW Detroit Metropolitan Wayne County

35h 34m2 stops Hong Kong Intl Dallas/Fort Worth

$2,151Cathay Pacific

Wed, 3 Mar - Sun, 14 Mar

10:16 - 22:55DTW Detroit Metropolitan Wayne County-PER Perth

47h 39m2 stops Chicago O'Hare Intl Hong Kong Intl

00:25 - 23:59PER Perth-DTW Detroit Metropolitan Wayne County

35h 34m2 stops Hong Kong Intl Dallas/Fort Worth

$2,151Cathay Pacific

Wed, 3 Mar - Tue, 16 Mar

10:16 - 22:55DTW Detroit Metropolitan Wayne County-PER Perth

47h 39m2 stops Chicago O'Hare Intl Hong Kong Intl

00:25 - 23:59PER Perth-DTW Detroit Metropolitan Wayne County

35h 34m2 stops Hong Kong Intl Dallas/Fort Worth

$2,200Cathay Pacific

Thu, 4 Mar - Tue, 16 Mar

Save money when you book flights with momondo

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United Airlines flights from Detroit to Perth

Our best United Airlines deals on Detroit to Perth flight tickets

United Airlines

4 Mar

DTW08:15Detroit Metropolitan Wayne County

41h 30m

3 stops

PER14:45Perth

18 Mar

PER22:30Perth

29h 26m

2 stops

DTW15:56Detroit Metropolitan Wayne County

$2,844

United Airlines

4 Mar

DTW08:15Detroit Metropolitan Wayne County

41h 30m

3 stops

PER14:45Perth

17 Mar

PER22:55Perth

35h 46m

2 stops

DTW22:41Detroit Metropolitan Wayne County

$2,851

United Airlines

13 Apr

DTW08:15Detroit Metropolitan Wayne County

43h 45m

3 stops

PER16:00Perth

20 Apr

PER23:45Perth

30h 20m

2 stops

DTW18:05Detroit Metropolitan Wayne County

$2,987

Qantas Airways flights from Detroit to Perth

Our best Qantas Airways deals on Detroit to Perth flight tickets

Qantas Airways

19 Jan

DTW18:20Detroit Metropolitan Wayne County

32h 35m

2 stops

PER15:55Perth

9 Feb

PER23:10Perth

33h 38m

2 stops

DTW19:48Detroit Metropolitan Wayne County

$2,452

Qantas Airways

29 Nov

DTW14:49Detroit Metropolitan Wayne County

30h 06m

2 stops

PER09:55Perth

6 Dec

PER23:10Perth

27h 47m

2 stops

DTW13:57Detroit Metropolitan Wayne County

$2,535

Qantas Airways

29 Nov

DTW14:49Detroit Metropolitan Wayne County

30h 06m

2 stops

PER09:55Perth

6 Dec

PER23:10Perth

27h 47m

2 stops

DTW13:57Detroit Metropolitan Wayne County

$2,536

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Tue 13/4

07:00-06:50

2 stops35h 50m

Perth

Mon 19/4

00:10-04:48

2 stops40h 38m

$2,046

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Tue 2/3

16:46-22:55

2 stops65h 09m

Perth

Tue 16/3

08:30-15:48

2 stops67h 18m

$2,070

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Tue 2/3

06:44-06:55

2 stops35h 11m

Perth

Wed 17/3

08:30-21:39

2 stops49h 09m

$2,093

Fastest return journey

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Tue 2/3

06:44-06:55

2 stops35h 11m

Perth

Sun 14/3

00:25-21:39

2 stops33h 14m

$2,097

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Mon 1/3

21:10-06:55

2 stops44h 45m

Perth

Tue 16/3

08:30-21:44

2 stops49h 14m

$2,101

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Mon 1/3

21:10-06:55

2 stops44h 45m

Perth

Wed 17/3

08:30-21:39

2 stops49h 09m

$2,101

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Wed 3/3

10:16-22:55

2 stops47h 39m

Perth

Mon 15/3

00:25-23:59

2 stops35h 34m

$2,151

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Wed 3/3

19:40-22:55

2 stops38h 15m

Perth

Sun 14/3

00:25-23:59

2 stops35h 34m

$2,151

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Wed 3/3

10:16-22:55

2 stops47h 39m

Perth

Tue 16/3

00:25-23:59

2 stops35h 34m

$2,151

DetroitPerth

DTW Detroit Metropolitan Wayne County - PER Perth

DTWPER

Detroit Metropolitan Wayne County

Thu 4/3

10:16-22:55

2 stops47h 39m

Perth

Tue 16/3

00:25-23:59

2 stops35h 34m

$2,200

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	$2,046
Fastest flight time	29h 51m
Direct flights	None

The best flight deal from Detroit to Perth found on momondo in the last 72 hours is $2,046

The fastest flight from Detroit to Perth takes 29h 51m

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. 29h 51m 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

Scarborough

Rottnest Island

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.

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Cheap flights from Detroit to Perth from $2,046

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 13/4. 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

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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

United Airlines flights from Detroit to Perth

Our best United Airlines 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

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