$1,454+ Cheap flights from Detroit (DTT) to Perth (PER)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
Oct 30 — Nov 61
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
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 September 30, 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 September 30, 2026.
This Cathay Pacific deal was found by Cheapflights users on 9/25. 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 11/1010:23 am -
2 stops47h 32m
Mon 11/1612:25 am -
2 stops34h 17m
Deal found 9/25![Multiple Airlines logo]()
$1,454
This Cathay Pacific deal was found by Cheapflights users on 9/27. 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 10/1911:38 am -
2 stops47h 02m
Sun 11/112:25 am -
2 stops34h 09m
Deal found 9/27![Multiple Airlines logo]()
$1,456
This Cathay Pacific deal was found by Cheapflights users on 9/28. 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 9/2912:56 pm -
2 stops45h 44m
Mon 10/128:20 am -
2 stops47h 45m
Deal found 9/28![Multiple Airlines logo]()
$1,505
This KAYAK deal was found by Cheapflights users on 9/27. 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 11/410:23 am -
2 stops31h 32m
Sat 11/712:25 am -
2 stops33h 15m
Deal found 9/27![Cathay Pacific logo]()
$1,535
This Cathay Pacific deal was found by Cheapflights users on 9/28. 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 11/1311:38 am -
2 stops46h 17m
Thu 11/1912:25 am -
2 stops36h 28m
Deal found 9/28![Multiple Airlines logo]()
$1,553
This Cathay Pacific deal was found by Cheapflights users on 9/28. 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 10/18:47 pm -
2 stops46h 03m
Wed 10/1412:10 am -
2 stops31h 55m
Deal found 9/28![Multiple Airlines logo]()
$1,561
This Cathay Pacific deal was found by Cheapflights users on 9/29. 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.
Sat 11/1410:23 am -
2 stops31h 32m
Fri 11/2012:25 am -
2 stops42h 16m
Deal found 9/29![Multiple Airlines logo]()
$1,562
This Globehunters deal was found by Cheapflights users on 9/25. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:59 pm -
2 stops48h 51m
Wed 10/148:20 am -
2 stops47h 45m
Deal found 9/25![Multiple Airlines logo]()
$1,799
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 11/128:45 am -
2 stops37h 35m
Thu 11/1910:30 pm -
2 stops30h 36m
Deal found 9/28![United Airlines logo]()
$1,801
This Qatar Airways deal was found by Cheapflights users on 9/29. 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.
Sun 11/86:10 am -
2 stops47h 35m
Thu 11/1210:45 pm -
2 stops38h 11m
Deal found 9/29![Qatar Airways logo]()
$1,919
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Tue 11/102:09 pm -
3 stops32h 11m
Tue 11/1711:45 pm -
3 stops29h 21m
Deal found 9/25![United Airlines logo]()
$2,193
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 September 30, 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 September 30, 2026.
This Cathay Pacific deal was found by Cheapflights users on 9/27. 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 10/1911:38 am -
2 stops47h 02m
Sun 11/112:25 am -
2 stops34h 09m
Deal found 9/27![Multiple Airlines logo]()
$1,456
This Qatar Airways deal was found by Cheapflights users on 9/25. 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.
Sun 11/86:10 am -
2 stops47h 35m
Thu 11/1210:45 pm -
2 stops38h 11m
Deal found 9/25![Qatar Airways logo]()
$1,919
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Tue 11/102:09 pm -
3 stops32h 11m
Tue 11/1711:45 pm -
3 stops29h 21m
Deal found 9/25![United Airlines logo]()
$2,193
This Cathay Pacific deal was found by Cheapflights users on 9/29. 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.
Sat 11/1410:23 am -
2 stops31h 32m
Fri 11/2012:25 am -
2 stops42h 16m
Deal found 9/29![Multiple Airlines logo]()
$1,562
This Globehunters deal was found by Cheapflights users on 9/25. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:59 pm -
2 stops48h 51m
Wed 10/148:20 am -
2 stops47h 45m
Deal found 9/25![Multiple Airlines logo]()
$1,799
This Qantas Airways deal was found by Cheapflights users on 9/25. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:34 pm -
3 stops32h 36m
Tue 11/1710:55 pm -
2 stops32h 39m
Deal found 9/25![Multiple Airlines logo]()
$2,501
This Qantas Airways deal was found by Cheapflights users on 9/28. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:34 pm -
3 stops33h 56m
Fri 11/205:00 am -
2 stops29h 15m
Deal found 9/28![Multiple Airlines logo]()
$2,584
Last-minute flights from Detroit to PerthDiscover last-minute flight deals from Detroit to Perth. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Perth. Data last updated September 30, 2026 and is based on user searches.
This Globehunters deal was found by Cheapflights users on 9/25. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:59 pm -
2 stops48h 51m
Wed 10/148:20 am -
2 stops47h 45m
Deal found 9/25![Multiple Airlines logo]()
$1,799
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 September 30, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $1,451 (SmartFares) |
One-way from | $1,136 (Globehunters) |
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 7,457,451 searches. Data last updated September 30, 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 10/19
11:38 am-10:40 pm
2 stops47h 02m
Perth
Sun 11/1
12:25 am-9:34 pm
2 stops34h 09m
$1,456
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Sat 11/14
10:23 am-6:55 am
2 stops31h 32m
Perth
Fri 11/20
12:25 am-5:41 am
2 stops42h 16m
$1,562
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Tue 10/6
5:59 pm-6:50 am
2 stops48h 51m
Perth
Wed 10/14
8:20 am-8:05 pm
2 stops47h 45m
$1,799
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Sun 11/8
6:10 am-6:45 pm
2 stops47h 35m
Perth
Thu 11/12
10:45 pm-11:56 pm
2 stops38h 11m
$1,919
Quickest round-trip
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Tue 11/10
2:09 pm-11:20 am
3 stops32h 11m
Perth
Tue 11/17
11:45 pm-4:06 pm
3 stops29h 21m
$2,193
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Tue 11/10
1:34 pm-11:10 am
3 stops32h 36m
Perth
Tue 11/17
10:55 pm-6:34 pm
2 stops32h 39m
$2,501
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Fri 11/13
1:34 pm-12:30 pm
3 stops33h 56m
Perth
Fri 11/20
5:00 am-9:15 pm
2 stops29h 15m
$2,584
Sorted 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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 Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Detroit-Perth flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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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