Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Detroit to Perth from $1,357

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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Detroit to Perth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:23 pm - 10:10 am
DTW
-
PER
31h 47m2 stops
Multiple Airlines Logo
10:40 pm - 4:32 pm
PER
-
DTW
30h 52m2 stops
$1,357Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
Cathay Pacific Logo
12:54 pm - 6:55 am
DTW
-
PER
30h 01m2 stops
Cathay Pacific Logo
8:30 am - 9:15 pm
PER
-
DTW
48h 45m2 stops
$1,385Cathay Pacific
Thu, Mar 12 - Mon, Mar 16
Cathay Pacific Logo
7:31 pm - 10:55 pm
DTW
-
PER
39h 24m2 stops
Cathay Pacific Logo
8:30 am - 11:58 pm
PER
-
DTW
51h 28m2 stops
$1,448Cathay Pacific
Sun, Mar 22 - Sat, Mar 28
Cathay Pacific Logo
12:54 pm - 10:55 pm
DTW
-
PER
46h 01m2 stops
Cathay Pacific Logo
8:30 am - 9:15 pm
PER
-
DTW
48h 45m2 stops
$1,460Cathay Pacific
Thu, Mar 12 - Mon, Mar 16
Cathay Pacific Logo
12:54 pm - 6:55 am
DTW
-
PER
30h 01m2 stops
Cathay Pacific Logo
12:25 am - 9:13 pm
PER
-
DTW
32h 48m2 stops
$1,476Cathay Pacific
Mon, Mar 23 - Thu, Mar 26
Cathay Pacific Logo
12:54 pm - 6:55 am
DTW
-
PER
30h 01m2 stops
Cathay Pacific Logo
12:25 am - 11:58 pm
PER
-
DTW
35h 33m2 stops
$1,500Cathay Pacific
Mon, Mar 23 - Sat, Mar 28
Cathay Pacific Logo
3:59 pm - 10:55 pm
DTW
-
PER
42h 56m2 stops
Cathay Pacific Logo
12:25 am - 11:58 pm
PER
-
DTW
35h 33m2 stops
$1,503Cathay Pacific
Tue, Mar 24 - Sat, Mar 28
Cathay Pacific Logo
12:54 pm - 10:55 pm
DTW
-
PER
46h 01m2 stops
Cathay Pacific Logo
12:25 am - 9:13 pm
PER
-
DTW
32h 48m2 stops
$1,510Cathay Pacific
Thu, Mar 19 - Thu, Mar 26
Cathay Pacific Logo
12:54 pm - 10:55 pm
DTW
-
PER
46h 01m2 stops
Cathay Pacific Logo
12:25 am - 9:13 pm
PER
-
DTW
32h 48m2 stops
$1,526Cathay Pacific
Sat, Mar 21 - Thu, Mar 26
Cathay Pacific Logo
12:54 pm - 6:55 am
DTW
-
PER
30h 01m2 stops
Cathay Pacific Logo
8:30 am - 9:13 pm
PER
-
DTW
48h 43m2 stops
$1,550Cathay Pacific
Fri, Mar 20 - Thu, Mar 26

Cathay Pacific flights from Detroit to Perth

Our best Cathay Pacific deals on Detroit to Perth flight tickets
Cathay Pacific
Mar 12
DTW12:54 pmDetroit Metropolitan Wayne County
46h 01m
2 stops
PER10:55 pmPerth
Mar 16
PER8:30 amPerth
48h 45m
2 stops
DTW9:15 pmDetroit Metropolitan Wayne County
$1,385
Find similar
Cathay Pacific
Mar 22
DTW7:31 pmDetroit Metropolitan Wayne County
39h 24m
2 stops
PER10:55 pmPerth
Mar 28
PER8:30 amPerth
51h 28m
2 stops
DTW11:58 pmDetroit Metropolitan Wayne County
$1,448
Find similar
Cathay Pacific
Mar 12
DTW12:54 pmDetroit Metropolitan Wayne County
46h 01m
2 stops
PER10:55 pmPerth
Mar 16
PER8:30 amPerth
48h 45m
2 stops
DTW9:15 pmDetroit Metropolitan Wayne County
$1,460
Find similar

Qantas Airways flights from Detroit to Perth

Our best Qantas Airways deals on Detroit to Perth flight tickets
Qantas Airways
Jan 5
DTW11:53 amDetroit Metropolitan Wayne County
33h 02m
2 stops
PER9:55 amPerth
Jan 31
PER5:30 amPerth
28h 14m
2 stops
DTW8:44 pmDetroit Metropolitan Wayne County
$1,570
Find similar
Qantas Airways
Jan 5
DTW11:53 amDetroit Metropolitan Wayne County
30h 52m
2 stops
PER7:45 amPerth
Jan 31
PER7:10 amPerth
26h 34m
2 stops
DTW8:44 pmDetroit Metropolitan Wayne County
$1,573
Find similar
Qantas Airways
Jan 5
DTW11:53 amDetroit Metropolitan Wayne County
30h 52m
2 stops
PER7:45 amPerth
Jan 31
PER7:10 amPerth
26h 34m
2 stops
DTW8:44 pmDetroit Metropolitan Wayne County
$1,575
Find similar

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
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

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 1/31

1:23 pm-10:10 am

2 stops31h 47m

Perth

Sat 2/7

10:40 pm-4:32 pm

2 stops30h 52m

$1,357

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 3/12

12:54 pm-6:55 am

2 stops30h 01m

Perth

Mon 3/16

8:30 am-9:15 pm

2 stops48h 45m

$1,385

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 3/22

7:31 pm-10:55 pm

2 stops39h 24m

Perth

Sat 3/28

8:30 am-11:58 pm

2 stops51h 28m

$1,448

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 3/12

12:54 pm-10:55 pm

2 stops46h 01m

Perth

Mon 3/16

8:30 am-9:15 pm

2 stops48h 45m

$1,460

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 3/23

12:54 pm-6:55 am

2 stops30h 01m

Perth

Thu 3/26

12:25 am-9:13 pm

2 stops32h 48m

$1,476

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 3/23

12:54 pm-6:55 am

2 stops30h 01m

Perth

Sat 3/28

12:25 am-11:58 pm

2 stops35h 33m

$1,500

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 3/24

3:59 pm-10:55 pm

2 stops42h 56m

Perth

Sat 3/28

12:25 am-11:58 pm

2 stops35h 33m

$1,503

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 3/19

12:54 pm-10:55 pm

2 stops46h 01m

Perth

Thu 3/26

12:25 am-9:13 pm

2 stops32h 48m

$1,510

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 3/21

12:54 pm-10:55 pm

2 stops46h 01m

Perth

Thu 3/26

12:25 am-9:13 pm

2 stops32h 48m

$1,526

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 3/20

12:54 pm-6:55 am

2 stops30h 01m

Perth

Thu 3/26

8:30 am-9:13 pm

2 stops48h 43m

$1,550

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Perth from

How to get the cheapest flight ticket from Detroit to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Detroit and Perth?

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Thursday when prices can be found for as low as $1,708. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Tuesday, with ticket prices averaging around $2,197.

What is the cheapest time of day to depart on your flight to Perth?

In the evening is the cheapest time of day to fly from Detroit to Perth when you can find flight prices for as low as $1,713. Flying to Perth in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $2,019. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 round-trip 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

Fastest flight time

29h 22m

Direct flights

None
The fastest flight from Detroit to Perth takes 29h 22m
There are no direct flights from Detroit to Perth. There are no popular flight routes from Detroit to Perth.
Search flight deals

  • How far is Detroit to Perth by plane?

    The straight-line distance from Detroit to Perth is 11168.8 mi. Typically, this will take 29h 22m by plane in normal conditions.

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

    Prices for flights from Detroit to Perth Airport are updated daily.

  • How many operators does momondo search for flights from Detroit to Perth Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Perth Airport.

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

    The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Detroit to Perth?

Best airlines flying from Detroit to Perth

Compare and see reviews for airlines that fly from Detroit to Perth with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $1,156Free CancellationRating
7.5
947 reviews
Search Qantas Airways flights

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Fremantle
Rottnest Island
Scarborough
Waikiki

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to Perth for you.

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?

Once all potential Detroit to Perth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Perth from Detroit. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Perth trip

We make it super easy to schedule, organize 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
Sat 1/17
Sat 1/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia