Cheap flights from Detroit to Perth from $1,444

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 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
4:01 pm - 7:45 am
DTW
-
PER
27h 44m
2 stops
Qantas Airways Logo
5:30 am - 9:19 pm
PER
-
DTW
27h 49m
2 stops
$1,444Qantas Airways
Wed, Mar 18 - Wed, Mar 25
Cathay Pacific Logo
10:30 am - 10:55 pm
DTW
-
PER
47h 25m
2 stops
Cathay Pacific Logo
8:30 am - 11:59 pm
PER
-
DTW
51h 29m
2 stops
$1,525Cathay Pacific
Mon, Mar 2 - Mon, Mar 9
Cathay Pacific Logo
6:00 am - 10:55 pm
DTW
-
PER
51h 55m
2 stops
Cathay Pacific Logo
12:25 am - 11:59 pm
PER
-
DTW
36h 34m
2 stops
$1,594Cathay Pacific
Mon, Feb 16 - Thu, Feb 19
Multiple Airlines Logo
6:32 pm - 2:30 pm
DTW
-
PER
31h 58m
2 stops
Multiple Airlines Logo
8:00 am - 4:35 am
PER
-
DTW
32h 35m
3 stops
$1,611Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Qantas Airways Logo
4:01 pm - 11:15 am
DTW
-
PER
31h 14m
2 stops
Qantas Airways Logo
10:55 pm - 6:40 pm
PER
-
DTW
31h 45m
2 stops
$1,615Qantas Airways
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
6:32 pm - 6:00 pm
DTW
-
PER
35h 28m
2 stops
Multiple Airlines Logo
11:40 pm - 5:05 am
PER
-
DTW
41h 25m
3 stops
$1,632Multiple Airlines
Fri, Mar 20 - Fri, Mar 27
Multiple Airlines Logo
10:59 pm - 10:55 pm
DTW
-
PER
34h 56m
2 stops
Multiple Airlines Logo
8:40 pm - 4:55 am
PER
-
DTW
44h 15m
3 stops
$1,713Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Qantas Airways Logo
4:01 pm - 11:50 pm
DTW
-
PER
43h 49m
2 stops
Qantas Airways Logo
7:10 am - 9:19 pm
PER
-
DTW
26h 09m
2 stops
$1,805Qantas Airways
Fri, Mar 20 - Fri, Mar 27
Multiple Airlines Logo
5:09 am - 5:40 am
DTW
-
PER
35h 31m
3 stops
Multiple Airlines Logo
4:40 am - 5:05 am
PER
-
DTW
36h 25m
3 stops
$1,852Multiple Airlines
Sun, Mar 1 - Tue, Mar 31
Cathay Pacific Logo
7:31 pm - 10:55 pm
DTW
-
PER
38h 24m
2 stops
Cathay Pacific Logo
8:20 am - 9:16 pm
PER
-
DTW
48h 56m
2 stops
$1,865Cathay Pacific
Sun, Mar 1 - Tue, Mar 31

Air Canada flights from Detroit to Perth

Our best Air Canada deals on Detroit to Perth flight tickets
Air Canada
Feb 14
DTW6:15 pmDetroit Metropolitan Wayne County
55h 15m
3 stops
PER2:30 pmPerth
Feb 18
PER10:55 pmPerth
55h 40m
3 stops
DTW5:35 pmDetroit Metropolitan Wayne County
$2,999
Air Canada
Mar 8
DTW6:15 pmDetroit Metropolitan Wayne County
56h 15m
3 stops
PER2:30 pmPerth
Mar 11
PER10:55 pmPerth
54h 40m
3 stops
DTW5:35 pmDetroit Metropolitan Wayne County
$11,065
Air Canada
Mar 5
DTW6:15 pmDetroit Metropolitan Wayne County
55h 15m
3 stops
PER2:30 pmPerth
Mar 14
PER3:15 pmPerth
62h 20m
3 stops
DTW5:35 pmDetroit Metropolitan Wayne County
$21,127

Cathay Pacific flights from Detroit to Perth

Our best Cathay Pacific deals on Detroit to Perth flight tickets
Cathay Pacific
Mar 2
DTW4:01 pmDetroit Metropolitan Wayne County
41h 54m
2 stops
PER10:55 pmPerth
Mar 9
PER8:30 amPerth
51h 29m
2 stops
DTW11:59 pmDetroit Metropolitan Wayne County
$1,525
Cathay Pacific
Feb 16
DTW6:00 amDetroit Metropolitan Wayne County
51h 55m
2 stops
PER10:55 pmPerth
Feb 19
PER12:25 amPerth
36h 34m
2 stops
DTW11:59 pmDetroit Metropolitan Wayne County
$1,594
Cathay Pacific
Mar 1
DTW7:31 pmDetroit Metropolitan Wayne County
38h 24m
2 stops
PER10:55 pmPerth
Mar 31
PER8:20 amPerth
48h 56m
2 stops
DTW9:16 pmDetroit Metropolitan Wayne County
$1,865

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 February 3, 2026.
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

Wed 3/18

4:01 pm-7:45 am

2 stops27h 44m

Perth

Wed 3/25

5:30 am-9:19 pm

2 stops27h 49m

$1,444

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 3/2

10:30 am-10:55 pm

2 stops47h 25m

Perth

Mon 3/9

8:30 am-11:59 pm

2 stops51h 29m

$1,525

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 2/16

6:00 am-10:55 pm

2 stops51h 55m

Perth

Thu 2/19

12:25 am-11:59 pm

2 stops36h 34m

$1,594

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Wed 3/18

6:32 pm-2:30 pm

2 stops31h 58m

Perth

Wed 3/25

8:00 am-4:35 am

3 stops32h 35m

$1,611

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 3/16

4:01 pm-11:15 am

2 stops31h 14m

Perth

Mon 3/23

10:55 pm-6:40 pm

2 stops31h 45m

$1,615

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 3/20

6:32 pm-6:00 pm

2 stops35h 28m

Perth

Fri 3/27

11:40 pm-5:05 am

3 stops41h 25m

$1,632

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 3/2

10:59 pm-10:55 pm

2 stops34h 56m

Perth

Mon 3/9

8:40 pm-4:55 am

3 stops44h 15m

$1,713

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Fri 3/20

4:01 pm-11:50 pm

2 stops43h 49m

Perth

Fri 3/27

7:10 am-9:19 pm

2 stops26h 09m

$1,805

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 3/1

5:09 am-5:40 am

3 stops35h 31m

Perth

Tue 3/31

4:40 am-5:05 am

3 stops36h 25m

$1,852

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sun 3/1

7:31 pm-10:55 pm

2 stops38h 24m

Perth

Tue 3/31

8:20 am-9:16 pm

2 stops48h 56m

$1,865

Flights are sorted by cheapest round-trip 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 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

27h 44m

Direct flights

None
The fastest flight from Detroit to Perth takes 27h 44m
There are no direct flights from Detroit to Perth. There are no popular flight routes from Detroit to Perth.
  • How far is Detroit to Perth by plane?

    The straight-line distance from Detroit to Perth is 11168.8 mi. Typically, this will take 27h 44m 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
985 reviews
Search Qantas Airways flights
  • How do I get Price Alerts for flights from Detroit to Perth?

    Search flight deals from Detroit to Perth. While viewing offers you’ll have the option to create a Price Alert.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

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1 adult
Thu 3/5
Thu 3/12

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