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Cheap flights from Detroit to Perth from $689

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Perth departing on 11/15. 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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Find the cheapest flights from Detroit to Perth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 am - 6:55 amDTW-PER
35h 10m2 stops
Multiple Airlines Logo
12:25 am - 7:14 pmPER-DTW
31h 49m2 stops
$1,345Multiple Airlines
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Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
6:45 am - 6:55 amDTW-PER
35h 10m2 stops
Multiple Airlines Logo
12:25 am - 7:26 pmPER-DTW
32h 01m2 stops
$1,346Multiple Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 8
Multiple Airlines Logo
6:45 am - 6:55 amDTW-PER
35h 10m2 stops
Multiple Airlines Logo
8:30 am - 6:15 pmPER-DTW
46h 45m2 stops
$1,412Multiple Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 8
Multiple Airlines Logo
8:00 am - 6:55 amDTW-PER
33h 55m2 stops
Multiple Airlines Logo
12:25 am - 8:59 pmPER-DTW
32h 34m2 stops
$1,574Multiple Airlines
Find Deal
Tue, Jan 27 - Mon, Mar 16
Cathay Pacific Logo
6:00 am - 10:55 pmDTW-PER
51h 55m2 stops
Cathay Pacific Logo
8:30 am - 6:15 pmPER-DTW
46h 45m2 stops
$1,668Cathay Pacific
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Mon, Nov 24 - Tue, Dec 9
Cathay Pacific Logo
7:35 pm - 10:55 pmDTW-PER
38h 20m2 stops
Cathay Pacific Logo
8:30 am - 6:19 pmPER-DTW
46h 49m2 stops
$1,772Cathay Pacific
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Thu, Nov 13 - Mon, Nov 17
Qatar Airways Logo
6:00 am - 6:45 pmDTW-PER
47h 45m2 stops
Qatar Airways Logo
3:55 pm - 1:36 pmPER-DTW
34h 41m2 stops
$1,980Qatar Airways
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Thu, Nov 13 - Mon, Nov 17
Qantas Airways Logo
3:49 pm - 8:20 pmDTW-PER
39h 31m2 stops
Qantas Airways Logo
5:00 pm - 2:43 pmPER-DTW
34h 43m2 stops
$1,983Qantas Airways
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Sat, Dec 6 - Mon, Dec 29
KLM Logo
8:35 pm - 11:55 pmDTW-PER
38h 20m2 stops
KLM Logo
6:50 am - 5:55 pmPER-DTW
48h 05m3 stops
$4,054KLM
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Mon, Jan 5 - Sat, Jan 31
KLM Logo
4:15 pm - 11:55 pmDTW-PER
42h 40m2 stops
KLM Logo
6:50 am - 5:55 pmPER-DTW
48h 05m3 stops
$4,065KLM
Find Deal
Mon, Jan 5 - Sat, Jan 31

Cathay Pacific flights from Detroit to Perth

Our best Cathay Pacific deals on Detroit to Perth flight tickets
Cathay Pacific
Nov 24
DTW6:00 amDetroit Metropolitan Wayne County
51h 55m
2 stops
PER10:55 pmPerth
Dec 9
PER8:30 amPerth
46h 45m
2 stops
DTW6:15 pmDetroit Metropolitan Wayne County
$1,668
Find similar
Cathay Pacific
Nov 13
DTW7:35 pmDetroit Metropolitan Wayne County
38h 20m
2 stops
PER10:55 pmPerth
Nov 17
PER8:30 amPerth
46h 49m
2 stops
DTW6:19 pmDetroit Metropolitan Wayne County
$1,772
Find similar
Cathay Pacific
Nov 13
DTW7:35 pmDetroit Metropolitan Wayne County
38h 20m
2 stops
PER10:55 pmPerth
Nov 16
PER12:25 amPerth
35h 30m
2 stops
DTW10:55 pmDetroit Metropolitan Wayne County
$1,999
Find similar

KLM flights from Detroit to Perth

Our best KLM deals on Detroit to Perth flight tickets
KLM
Jan 5
DTW8:35 pmDetroit Metropolitan Wayne County
38h 20m
2 stops
PER11:55 pmPerth
Jan 31
PER6:50 amPerth
48h 05m
3 stops
DTW5:55 pmDetroit Metropolitan Wayne County
$4,054
Find similar
KLM
Jan 5
DTW4:15 pmDetroit Metropolitan Wayne County
42h 40m
2 stops
PER11:55 pmPerth
Jan 31
PER6:50 amPerth
48h 05m
3 stops
DTW5:55 pmDetroit Metropolitan Wayne County
$4,065
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 November 2, 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

Thu 11/13

6:45 am-6:55 am

2 stops35h 10m

Perth

Mon 11/17

12:25 am-7:14 pm

2 stops31h 49m

$1,345

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 11/24

6:45 am-6:55 am

2 stops35h 10m

Perth

Mon 12/8

12:25 am-7:26 pm

2 stops32h 01m

$1,346

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 11/24

6:45 am-6:55 am

2 stops35h 10m

Perth

Mon 12/8

8:30 am-6:15 pm

2 stops46h 45m

$1,412

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Tue 1/27

8:00 am-6:55 am

2 stops33h 55m

Perth

Mon 3/16

12:25 am-8:59 pm

2 stops32h 34m

$1,574

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 11/24

6:00 am-10:55 pm

2 stops51h 55m

Perth

Tue 12/9

8:30 am-6:15 pm

2 stops46h 45m

$1,668

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 11/13

7:35 pm-10:55 pm

2 stops38h 20m

Perth

Mon 11/17

8:30 am-6:19 pm

2 stops46h 49m

$1,772

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Thu 11/13

6:00 am-6:45 pm

2 stops47h 45m

Perth

Mon 11/17

3:55 pm-1:36 pm

2 stops34h 41m

$1,980

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Sat 12/6

3:49 pm-8:20 pm

2 stops39h 31m

Perth

Mon 12/29

5:00 pm-2:43 pm

2 stops34h 43m

$1,983

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 1/5

8:35 pm-11:55 pm

2 stops38h 20m

Perth

Sat 1/31

6:50 am-5:55 pm

3 stops48h 05m

$4,054

DetroitPerth

DTW - PER

DTWPER

Detroit Metropolitan Wayne County

Mon 1/5

4:15 pm-11:55 pm

2 stops42h 40m

Perth

Sat 1/31

6:50 am-5:55 pm

3 stops48h 05m

$4,065

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 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

Direct flights

None
There are no direct flights from Detroit to Perth. There are no popular flight routes from Detroit to Perth.
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  • How far is Detroit to Perth by plane?

    The straight-line distance from Detroit to Perth is 11168.8 mi. Typically, this will take 26h 45m 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
926 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.

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