$705+ Cheap flights from Detroit (DTT) to Perth (PER)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Find cheap flights from Detroit to Perth with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Detroit to Perth
Cheapest
Best
Last-minute
One-way
Cheapest flights from Detroit to PerthExplore the most affordable flight options available from Detroit to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
Explore the most affordable flight options available from Detroit to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
This SmartFares deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:01 am -
2 stops35h 49m
Sun 10/48:20 am -
2 stops57h 20m
Deal found 8/18![Multiple Airlines logo]()
$1,396
This Cathay Pacific deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:10 pm -
2 stops42h 30m
Tue 10/1312:10 am -
2 stops33h 24m
Deal found 8/16![Multiple Airlines logo]()
$1,454
This SmartFares deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:56 pm -
2 stops29h 54m
Thu 10/88:20 am -
2 stops51h 18m
Deal found 8/17![Cathay Pacific logo]()
$1,577
This KAYAK deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:23 am -
3 stops35h 47m
Sun 1/3111:10 pm -
2 stops29h 36m
Deal found 8/17![Multiple Airlines logo]()
$1,907
This KAYAK deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:47 pm -
3 stops51h 48m
Wed 10/1410:35 am -
3 stops36h 10m
Deal found 8/16![Qantas Airways logo]()
$1,974
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
2 stops41h 55m
Wed 10/711:45 pm -
2 stops30h 52m
Deal found 8/15![United Airlines logo]()
$1,996
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:18 pm -
3 stops53h 12m
Sun 10/411:45 pm -
2 stops30h 52m
Deal found 8/18![United Airlines logo]()
$2,174
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:55 pm -
3 stops36h 00m
Thu 10/810:55 pm -
3 stops51h 17m
Deal found 8/17![Multiple Airlines logo]()
$2,282
This KAYAK deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:00 pm -
2 stops31h 10m
Sun 1/35:00 pm -
2 stops35h 47m
Deal found 8/18![Qantas Airways logo]()
$2,576
Best flights from Detroit to PerthDiscover carefully curated flight deals from Detroit to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from Detroit to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This SmartFares deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:01 am -
2 stops35h 49m
Sun 10/48:20 am -
2 stops57h 20m
Deal found 8/18![Multiple Airlines logo]()
$1,396
This SmartFares deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:56 pm -
2 stops29h 54m
Thu 10/88:20 am -
2 stops51h 18m
Deal found 8/17![Cathay Pacific logo]()
$1,577
This KAYAK deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:47 pm -
3 stops51h 48m
Wed 10/1410:55 pm -
2 stops36h 43m
Deal found 8/16![Qantas Airways logo]()
$1,985
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
2 stops41h 55m
Wed 10/711:45 pm -
2 stops30h 52m
Deal found 8/15![United Airlines logo]()
$1,996
This Cathay Pacific deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:10 pm -
2 stops42h 30m
Tue 10/1312:10 am -
2 stops33h 24m
Deal found 8/16![Multiple Airlines logo]()
$1,454
This Cathay Pacific deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:23 am -
2 stops47h 32m
Sat 1/3012:25 am -
2 stops34h 09m
Deal found 8/17![Multiple Airlines logo]()
$1,454
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:18 pm -
3 stops53h 12m
Sun 10/411:45 pm -
2 stops30h 52m
Deal found 8/18![United Airlines logo]()
$2,174
This KAYAK deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:00 pm -
2 stops31h 10m
Sun 1/35:00 pm -
2 stops35h 47m
Deal found 8/18![Qantas Airways logo]()
$2,576
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:55 pm -
3 stops36h 00m
Thu 10/810:55 pm -
3 stops51h 17m
Deal found 8/17![Multiple Airlines logo]()
$2,282
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:00 am -
2 stops44h 50m
Sun 1/311:30 pm -
3 stops37h 29m
Deal found 8/18![United Airlines logo]()
$3,152
Last-minute flights from Detroit to PerthDiscover last-minute flight deals from Detroit to Perth. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Perth. Data last updated August 19, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:01 am -
2 stops35h 49m
Sun 10/48:20 am -
2 stops57h 20m
Deal found 8/18![Multiple Airlines logo]()
$1,396
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:18 pm -
3 stops53h 12m
Sun 10/411:45 pm -
2 stops30h 52m
Deal found 8/18![United Airlines logo]()
$2,174
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
2 stops41h 55m
Wed 10/711:45 pm -
2 stops30h 52m
Deal found 8/15![United Airlines logo]()
$1,996
One-way flights from Detroit to PerthSearch for one-way flight options from Detroit to Perth. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
Search for one-way flight options from Detroit to Perth. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This SmartFares deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:45 pm -
2 stops64h 10m
Deal found 8/16![Multiple Airlines logo]()
$705
This Cathay Pacific deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:44 am -
2 stops35h 11m
Deal found 8/16![Multiple Airlines logo]()
$708
This Cathay Pacific deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:38 am -
2 stops46h 17m
Deal found 8/17![Multiple Airlines logo]()
$712
This KAYAK deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:56 pm -
2 stops45h 44m
Deal found 8/17![Cathay Pacific logo]()
$754
This KAYAK deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:27 pm -
2 stops49h 28m
Deal found 8/17![Cathay Pacific logo]()
$782
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
3 stops58h 20m
Deal found 8/17![Multiple Airlines logo]()
$788
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:05 pm -
3 stops34h 35m
Deal found 8/17![Multiple Airlines logo]()
$1,021
This KAYAK deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/134:36 pm -
2 stops32h 34m
Deal found 8/17![Qantas Airways logo]()
$1,066
Find flight deals from Detroit to Perth
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,396 (SmartFares) |
One-way from | $705 (SmartFares) |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 19, 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
Cheapest round-trip
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Mon 9/21
7:01 am-6:50 am
2 stops35h 49m
Perth
Sun 10/4
8:20 am-5:40 am
2 stops57h 20m
$1,396
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Sun 10/4
4:10 pm-10:40 pm
2 stops42h 30m
Perth
Tue 10/13
12:10 am-9:34 pm
2 stops33h 24m
$1,454
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Mon 11/30
10:23 am-10:55 pm
2 stops47h 32m
Perth
Sat 1/30
12:25 am-9:34 pm
2 stops34h 09m
$1,454
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Thu 10/1
12:56 pm-6:50 am
2 stops29h 54m
Perth
Thu 10/8
8:20 am-11:38 pm
2 stops51h 18m
$1,577
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Sun 10/4
8:47 pm-12:35 pm
3 stops51h 48m
Perth
Wed 10/14
10:55 pm-11:38 pm
2 stops36h 43m
$1,985
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Wed 9/30
7:00 am-12:55 pm
2 stops41h 55m
Perth
Wed 10/7
11:45 pm-6:37 pm
2 stops30h 52m
$1,996
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Mon 9/21
7:18 pm-12:30 pm
3 stops53h 12m
Perth
Sun 10/4
11:45 pm-6:37 pm
2 stops30h 52m
$2,174
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Thu 10/1
2:55 pm-2:55 pm
3 stops36h 00m
Perth
Thu 10/8
10:55 pm-2:12 pm
3 stops51h 17m
$2,282
Quickest round-trip
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Sat 12/12
6:00 pm-2:10 pm
2 stops31h 10m
Perth
Sun 1/3
5:00 pm-3:47 pm
2 stops35h 47m
$2,576
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Sat 12/12
7:00 am-4:50 pm
2 stops44h 50m
Perth
Sun 1/3
11:30 pm-11:59 pm
3 stops37h 29m
$3,152
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Detroit to Perth
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Perth in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Detroit-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Perth flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit-Perth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Detroit to Perth
Have a flexible travel schedule? Discover the best time to fly to Perth from Detroit with our price prediction graph.
DTT-PER
DTW-PER
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Detroit to Perth
DTT-PER
DTW-PER
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Detroit to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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