$785+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
Sep 11 — Sep 181
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
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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 12, 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 12, 2026.
This Aunt Betty deal was found by Cheapflights users on 8/11. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:01 am -
2 stops35h 49m
Mon 9/1412:10 am -
2 stops41h 12m
Deal found 8/11![Multiple Airlines logo]()
$1,393
This Cathay Pacific deal was found by Cheapflights users on 8/11. 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.
Tue 9/86:40 am -
2 stops36h 10m
Mon 9/1412:10 am -
2 stops35h 33m
Deal found 8/11![Multiple Airlines logo]()
$1,404
This Cathay Pacific deal was found by Cheapflights users on 8/12. 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.
Fri 9/115:10 pm -
2 stops41h 30m
Wed 9/1612:10 am -
2 stops35h 33m
Deal found 8/12![Multiple Airlines logo]()
$1,454
This BusinessClass deal was found by Cheapflights users on 8/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:56 pm -
2 stops29h 54m
Thu 10/112:10 am -
2 stops31h 26m
Deal found 8/10![Cathay Pacific logo]()
$1,591
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:56 pm -
2 stops29h 54m
Fri 10/212:10 am -
2 stops31h 26m
Deal found 8/12![Cathay Pacific logo]()
$1,640
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/97:18 pm -
2 stops29h 12m
Tue 9/153:30 pm -
2 stops38h 36m
Deal found 8/9![United Airlines logo]()
$1,756
This Trip.com deal was found by Cheapflights users on 8/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:56 pm -
3 stops52h 54m
Fri 10/22:50 pm -
3 stops42h 43m
Deal found 8/10![Multiple Airlines logo]()
$1,773
This Air Canada deal was found by Cheapflights users on 8/8. 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 10/222:55 pm -
3 stops35h 50m
Mon 10/263:15 pm -
3 stops62h 25m
Deal found 8/8![Air Canada logo]()
$1,832
This American Airlines deal was found by Cheapflights users on 8/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:10 pm -
2 stops32h 25m
Tue 9/2911:55 pm -
2 stops35h 48m
Deal found 8/8![American Airlines logo]()
$1,875
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:00 pm -
2 stops32h 35m
Tue 9/1511:55 pm -
3 stops31h 06m
Deal found 8/11![American Airlines logo]()
$1,880
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 12, 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 12, 2026.
This Aunt Betty deal was found by Cheapflights users on 8/11. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:01 am -
2 stops35h 49m
Mon 9/1412:10 am -
2 stops41h 12m
Deal found 8/11![Multiple Airlines logo]()
$1,393
This BusinessClass deal was found by Cheapflights users on 8/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:56 pm -
2 stops29h 54m
Thu 10/112:10 am -
2 stops31h 26m
Deal found 8/10![Cathay Pacific logo]()
$1,591
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/97:18 pm -
2 stops29h 12m
Tue 9/153:30 pm -
2 stops38h 36m
Deal found 8/9![United Airlines logo]()
$1,756
This Air Canada deal was found by Cheapflights users on 8/7. 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 10/222:55 pm -
3 stops35h 50m
Mon 10/263:15 pm -
3 stops62h 25m
Deal found 8/7![Air Canada logo]()
$1,833
This Qatar Airways deal was found by Cheapflights users on 8/7. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 pm -
2 stops61h 15m
Mon 10/2610:45 pm -
2 stops37h 11m
Deal found 8/7![Qatar Airways logo]()
$1,926
This Cathay Pacific deal was found by Cheapflights users on 8/11. 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.
Tue 9/86:40 am -
2 stops36h 10m
Mon 9/1412:10 am -
2 stops35h 33m
Deal found 8/11![Multiple Airlines logo]()
$1,404
This Cathay Pacific deal was found by Cheapflights users on 8/12. 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.
Fri 9/115:10 pm -
2 stops41h 30m
Wed 9/1612:10 am -
2 stops35h 33m
Deal found 8/12![Multiple Airlines logo]()
$1,454
This Cathay Pacific deal was found by Cheapflights users on 8/8. 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.
Thu 10/221:30 pm -
2 stops29h 20m
Mon 10/268:30 am -
2 stops57h 10m
Deal found 8/8![Cathay Pacific logo]()
$1,960
This Cathay Pacific deal was found by Cheapflights users on 8/9. 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.
Fri 9/411:43 am -
2 stops46h 57m
Wed 9/912:10 am -
2 stops46h 42m
Deal found 8/9![Multiple Airlines logo]()
$1,918
This Expedia deal was found by Cheapflights users on 8/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:05 am -
2 stops49h 35m
Sat 9/128:20 am -
2 stops51h 23m
Deal found 8/9![Multiple Airlines logo]()
$1,925
Last-minute flights from Detroit to PerthDiscover last-minute flight deals from Detroit to Perth. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Perth. Data last updated August 12, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:05 am -
2 stops49h 35m
Sat 9/128:20 am -
2 stops51h 23m
Deal found 8/9![Multiple Airlines logo]()
$1,925
This Cathay Pacific deal was found by Cheapflights users on 8/9. 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.
Fri 9/411:43 am -
2 stops46h 57m
Wed 9/912:10 am -
2 stops46h 42m
Deal found 8/9![Multiple Airlines logo]()
$1,918
This Cathay Pacific deal was found by Cheapflights users on 8/11. 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.
Tue 9/86:40 am -
2 stops36h 10m
Mon 9/1412:10 am -
2 stops35h 33m
Deal found 8/11![Multiple Airlines logo]()
$1,404
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:00 pm -
2 stops32h 35m
Tue 9/1511:55 pm -
3 stops31h 06m
Deal found 8/11![American Airlines logo]()
$1,880
This Aunt Betty deal was found by Cheapflights users on 8/11. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:01 am -
2 stops35h 49m
Mon 9/1412:10 am -
2 stops41h 12m
Deal found 8/11![Multiple Airlines logo]()
$1,393
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/97:18 pm -
2 stops29h 12m
Tue 9/153:30 pm -
2 stops38h 36m
Deal found 8/9![United Airlines logo]()
$1,756
This Cathay Pacific deal was found by Cheapflights users on 8/12. 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.
Fri 9/115:10 pm -
2 stops41h 30m
Wed 9/1612:10 am -
2 stops35h 33m
Deal found 8/12![Multiple Airlines logo]()
$1,454
This American Airlines deal was found by Cheapflights users on 8/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:10 pm -
2 stops32h 25m
Tue 9/2911:55 pm -
2 stops35h 48m
Deal found 8/8![American Airlines logo]()
$1,875
This BusinessClass deal was found by Cheapflights users on 8/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:56 pm -
2 stops29h 54m
Thu 10/112:10 am -
2 stops31h 26m
Deal found 8/10![Cathay Pacific logo]()
$1,591
This Trip.com deal was found by Cheapflights users on 8/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:56 pm -
3 stops52h 54m
Fri 10/22:50 pm -
3 stops42h 43m
Deal found 8/10![Multiple Airlines logo]()
$1,773
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:56 pm -
2 stops29h 54m
Fri 10/212:10 am -
2 stops31h 26m
Deal found 8/12![Cathay Pacific logo]()
$1,640
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 12, 2026.
Search for one-way flight options from Detroit to Perth. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Wed 10/142:08 pm -
3 stops50h 12m
Deal found 8/9![Multiple Airlines logo]()
$785
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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,393 (Aunt Betty) |
One-way from | $785 (Kiwi.com) |
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 12, 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
Wed 9/9
7:01 am-6:50 am
2 stops35h 49m
Perth
Mon 9/14
12:10 am-5:22 am
2 stops41h 12m
$1,393
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Tue 9/8
6:40 am-6:50 am
2 stops36h 10m
Perth
Mon 9/14
12:10 am-11:43 pm
2 stops35h 33m
$1,404
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Fri 9/11
5:10 pm-10:40 pm
2 stops41h 30m
Perth
Wed 9/16
12:10 am-11:43 pm
2 stops35h 33m
$1,454
Quickest round-trip
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Fri 9/25
12:56 pm-6:50 am
2 stops29h 54m
Perth
Thu 10/1
12:10 am-7:36 pm
2 stops31h 26m
$1,591
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Wed 9/9
7:18 pm-12:30 pm
2 stops29h 12m
Perth
Tue 9/15
3:30 pm-6:06 pm
2 stops38h 36m
$1,756
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Thu 10/22
2:55 pm-2:45 pm
3 stops35h 50m
Perth
Mon 10/26
3:15 pm-5:40 pm
3 stops62h 25m
$1,833
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Fri 9/4
11:43 am-10:40 pm
2 stops46h 57m
Perth
Wed 9/9
12:10 am-10:52 am
2 stops46h 42m
$1,918
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Fri 8/28
9:05 am-10:40 pm
2 stops49h 35m
Perth
Sat 9/12
8:20 am-11:43 pm
2 stops51h 23m
$1,925
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Thu 10/22
5:30 pm-6:45 pm
2 stops61h 15m
Perth
Mon 10/26
10:45 pm-11:56 pm
2 stops37h 11m
$1,926
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Thu 10/22
1:30 pm-6:50 am
2 stops29h 20m
Perth
Mon 10/26
8:30 am-5:40 am
2 stops57h 10m
$1,960
Showing 1-10 of 11 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
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