$1,558+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — PER
Sep 6 — Sep 131
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 August 7, 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 7, 2026.
This Justfly.com deal was found by Cheapflights users on 8/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm -
2 stops50h 50m
Sat 10/1012:30 pm -
2 stops37h 25m
Deal found 8/5![Multiple Airlines logo]()
$1,558
This Expedia deal was found by Cheapflights users on 8/3. 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.
Mon 9/214:00 pm -
2 stops44h 40m
Sun 10/412:15 pm -
2 stops37h 40m
Deal found 8/3![Multiple Airlines logo]()
$1,567
This Air Canada deal was found by Cheapflights users on 8/3. 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.
Mon 8/316:50 pm -
3 stops56h 55m
Mon 9/711:55 pm -
3 stops50h 17m
Deal found 8/3![Multiple Airlines logo]()
$1,574
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Mon 9/2111:43 am -
2 stops35h 32m
Sun 10/410:55 pm -
3 stops31h 30m
Deal found 8/3![American Airlines logo]()
$1,665
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 8/167:18 pm -
2 stops30h 47m
Sat 8/291:15 pm -
2 stops40h 51m
Deal found 8/6![United Airlines logo]()
$1,749
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/177:18 pm -
2 stops29h 12m
Sat 8/291:15 pm -
2 stops40h 51m
Deal found 8/6![United Airlines logo]()
$1,750
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/137:18 pm -
2 stops31h 22m
Sat 8/291:15 pm -
2 stops40h 51m
Deal found 8/6![United Airlines logo]()
$1,799
This oojo deal was found by Cheapflights users on 8/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:00 pm -
2 stops40h 55m
Mon 9/74:25 pm -
2 stops38h 22m
Deal found 8/3![Qantas Airways logo]()
$1,812
This Air Canada deal was found by Cheapflights users on 8/5. 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 stops41h 45m
Mon 10/2610:55 pm -
3 stops54h 45m
Deal found 8/5![Air Canada logo]()
$1,831
This Qantas Airways deal was found by Cheapflights users on 8/5. 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.
Sat 9/195:10 pm -
2 stops32h 25m
Sat 9/266:15 am -
2 stops29h 28m
Deal found 8/5![Multiple Airlines logo]()
$1,850
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 7, 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 7, 2026.
This Expedia deal was found by Cheapflights users on 8/3. 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.
Mon 9/214:00 pm -
2 stops44h 40m
Sun 10/412:15 pm -
2 stops37h 40m
Deal found 8/3![Multiple Airlines logo]()
$1,567
This Justfly.com deal was found by Cheapflights users on 8/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/261:20 pm -
2 stops34h 10m
Tue 3/910:35 pm -
2 stops32h 10m
Deal found 8/4![Qantas Airways logo]()
$1,687
This United Airlines deal was found by Cheapflights users on 8/6. 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 1/266:00 pm -
3 stops52h 20m
Tue 3/911:45 pm -
2 stops33h 55m
Deal found 8/6![United Airlines logo]()
$1,747
This Air Canada deal was found by Cheapflights users on 8/3. 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.
Mon 8/316:50 pm -
3 stops56h 55m
Mon 9/711:55 pm -
3 stops50h 17m
Deal found 8/3![Multiple Airlines logo]()
$1,574
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/177:18 pm -
2 stops29h 12m
Sat 8/291:15 pm -
2 stops40h 51m
Deal found 8/6![United Airlines logo]()
$1,750
This Qantas Airways deal was found by Cheapflights users on 8/3. 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.
Wed 10/284:11 pm -
2 stops41h 59m
Sun 11/110:35 pm -
2 stops30h 08m
Deal found 8/3![Qantas Airways logo]()
$1,908
This United Airlines deal was found by Cheapflights users on 8/3. 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 1/276:00 pm -
3 stops55h 10m
Wed 2/107:20 am -
2 stops26h 20m
Deal found 8/3![United Airlines logo]()
$1,862
This United deal was found by Cheapflights users on 8/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:18 pm -
3 stops53h 12m
Sat 10/101:45 pm -
2 stops40h 52m
Deal found 8/5![Multiple Airlines logo]()
$1,877
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Fri 9/47:18 pm -
2 stops31h 22m
Thu 9/1010:40 pm -
2 stops31h 26m
Deal found 8/5![United Airlines logo]()
$1,899
Last-minute flights from Detroit to PerthDiscover last-minute flight deals from Detroit to Perth. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Perth. Data last updated August 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/127:18 pm -
2 stops32h 52m
Sat 8/291:15 pm -
2 stops40h 51m
Deal found 8/6![United Airlines logo]()
$1,926
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/137:18 pm -
2 stops31h 22m
Sat 8/291:15 pm -
2 stops40h 51m
Deal found 8/6![United Airlines logo]()
$1,799
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 8/167:18 pm -
2 stops30h 47m
Sat 8/291:15 pm -
2 stops40h 51m
Deal found 8/6![United Airlines logo]()
$1,749
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/177:18 pm -
2 stops29h 12m
Sat 8/291:15 pm -
2 stops40h 51m
Deal found 8/6![United Airlines logo]()
$1,750
This Air Canada deal was found by Cheapflights users on 8/3. 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.
Mon 8/316:50 pm -
3 stops56h 55m
Mon 9/711:55 pm -
3 stops50h 17m
Deal found 8/3![Multiple Airlines logo]()
$1,574
This oojo deal was found by Cheapflights users on 8/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:00 pm -
2 stops40h 55m
Mon 9/74:25 pm -
2 stops38h 22m
Deal found 8/3![Qantas Airways logo]()
$1,812
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Fri 9/47:18 pm -
2 stops31h 22m
Thu 9/1010:40 pm -
2 stops31h 26m
Deal found 8/5![United Airlines logo]()
$1,899
This Justfly.com deal was found by Cheapflights users on 8/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm -
2 stops50h 50m
Sat 10/1012:30 pm -
2 stops37h 25m
Deal found 8/5![Multiple Airlines logo]()
$1,558
This Qantas Airways deal was found by Cheapflights users on 8/5. 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.
Sat 9/195:10 pm -
2 stops32h 25m
Sat 9/266:15 am -
2 stops29h 28m
Deal found 8/5![Multiple Airlines logo]()
$1,850
This Expedia deal was found by Cheapflights users on 8/3. 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.
Mon 9/214:00 pm -
2 stops44h 40m
Sun 10/412:15 pm -
2 stops37h 40m
Deal found 8/3![Multiple Airlines logo]()
$1,567
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Mon 9/2111:43 am -
2 stops35h 32m
Sun 10/410:55 pm -
3 stops31h 30m
Deal found 8/3![American Airlines logo]()
$1,665
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,506 (Expedia) |
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 7, 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
4:00 pm-12:40 am
2 stops44h 40m
Perth
Sun 10/4
12:15 pm-1:55 pm
2 stops37h 40m
$1,567
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Mon 8/31
6:50 pm-3:45 pm
3 stops56h 55m
Perth
Mon 9/7
11:55 pm-2:12 pm
3 stops50h 17m
$1,574
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Tue 1/26
1:20 pm-12:30 pm
2 stops34h 10m
Perth
Tue 3/9
10:35 pm-5:45 pm
2 stops32h 10m
$1,687
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Tue 1/26
6:00 pm-11:20 am
3 stops52h 20m
Perth
Tue 3/9
11:45 pm-8:40 pm
2 stops33h 55m
$1,747
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Mon 8/17
7:18 pm-12:30 pm
2 stops29h 12m
Perth
Sat 8/29
1:15 pm-6:06 pm
2 stops40h 51m
$1,750
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Wed 1/27
6:00 pm-2:10 pm
3 stops55h 10m
Perth
Wed 2/10
7:20 am-8:40 pm
2 stops26h 20m
$1,862
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Thu 9/10
7:18 pm-12:30 pm
3 stops53h 12m
Perth
Sat 10/10
1:45 pm-6:37 pm
2 stops40h 52m
$1,877
Quickest round-trip
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Fri 9/4
7:18 pm-2:40 pm
2 stops31h 22m
Perth
Thu 9/10
10:40 pm-6:06 pm
2 stops31h 26m
$1,899
DetroitPerth
DTW Detroit Metropolitan Wayne County - PER Perth
DTWPER
Detroit Metropolitan Wayne County
Wed 10/28
4:11 pm-10:10 pm
2 stops41h 59m
Perth
Sun 11/1
10:35 pm-3:43 pm
2 stops30h 08m
$1,908
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 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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