$808 Cheap Flights from Perth (PER) to Detroit (DTW)

View $808 flight on Mon, Jun 16, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Perth to Detroit (PER-DTW)

Prices were available within the past 7 days and start at $808 for one-way flights and $1,332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetstar
Mon, Jun 9 - Mon, Jun 23
PER
Perth
DTW
Detroit
$1,332 Roundtrip, found 2 days ago
$1,332
Roundtrip
found 2 days ago
Select Jetstar flight, departing Mon, Jun 9 from Perth to Detroit, returning Mon, Jun 23, priced at $1,332 found 2 days ago
Jetstar
Sun, Jul 13 - Tue, Jul 29
PER
Perth
DTW
Detroit
$1,334 Roundtrip, found 2 days ago
$1,334
Roundtrip
found 2 days ago
Select Jetstar flight, departing Sun, Jul 13 from Perth to Detroit, returning Tue, Jul 29, priced at $1,334 found 2 days ago
Qantas Airways
Sun, Jun 8 - Mon, Jun 23
PER
Perth
DTW
Detroit
$1,338 Roundtrip, found 2 days ago
$1,338
Roundtrip
found 2 days ago
Select Qantas Airways flight, departing Sun, Jun 8 from Perth to Detroit, returning Mon, Jun 23, priced at $1,338 found 2 days ago
Jetstar
Mon, Jun 16 - Thu, Jul 10
PER
Perth
DTW
Detroit
$1,358 Roundtrip, found 2 days ago
$1,358
Roundtrip
found 2 days ago
Select Jetstar flight, departing Mon, Jun 16 from Perth to Detroit, returning Thu, Jul 10, priced at $1,358 found 2 days ago
Jetstar
Mon, Jun 16 - Thu, Jul 10
PER
Perth
DTW
Detroit
$1,359 Roundtrip, found 2 days ago
$1,359
Roundtrip
found 2 days ago
Select Jetstar flight, departing Mon, Jun 16 from Perth to Detroit, returning Thu, Jul 10, priced at $1,359 found 2 days ago
Qantas Airways
Mon, Jun 16 - Thu, Jul 10
PER
Perth
DTW
Detroit
$1,364 Roundtrip, found 2 days ago
$1,364
Roundtrip
found 2 days ago
Select Qantas Airways flight, departing Mon, Jun 16 from Perth to Detroit, returning Thu, Jul 10, priced at $1,364 found 2 days ago
Jetstar
Mon, Jun 16 - Thu, Jul 10
PER
Perth
DTW
Detroit
$1,364 Roundtrip, found 2 days ago
$1,364
Roundtrip
found 2 days ago
Select Jetstar flight, departing Mon, Jun 16 from Perth to Detroit, returning Thu, Jul 10, priced at $1,364 found 2 days ago
Virgin Australia
Mon, Jun 16 - Thu, Jul 10
PER
Perth
DTW
Detroit
$1,371 Roundtrip, found 2 days ago
$1,371
Roundtrip
found 2 days ago
Select Virgin Australia flight, departing Mon, Jun 16 from Perth to Detroit, returning Thu, Jul 10, priced at $1,371 found 2 days ago
United
Mon, Jun 9 - Sun, Jun 22
PER
Perth
DTW
Detroit
$1,608 Roundtrip, found 4 days ago
$1,608
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jun 9 from Perth to Detroit, returning Sun, Jun 22, priced at $1,608 found 4 days ago
Air Canada
Tue, Sep 2 - Mon, Nov 24
PER
Perth
DTW
Detroit
$1,919 Roundtrip, found 5 days ago
$1,919
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Sep 2 from Perth to Detroit, returning Mon, Nov 24, priced at $1,919 found 5 days ago
Flights from Perth (PER) to Detroit (DTW)
Origin airport
Perth
Destination airport
Detroit Metropolitan Wayne County
Airlines serving
Air Canada, American Airlines, Qantas Airways, Qatar Airways
Roundtrip price
$1,332
Distance
11161 mi

Perth to Detroit Flights

The cheapest times to fly from Perth to Detroit

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Perth to Detroit are during the month of June. You can find some of the cheapest flights from Perth to Detroit with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Perth to Detroit

Sunday is one of the best days to book for cheap flights from Perth to Detroit: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Perth to Detroit

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Perth to Detroit in 2025. You can also book with separate airlines for your outbound and return journeys, from $808 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Perth to Detroit flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Perth to Detroit airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Perth Airport (PER) to Detroit Metropolitan Wayne County Airport (DTW) cost?
Discover the latest flight deals from PER to DTW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PER to DTW?
The cheapest flights from PER to DTW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PER to DTW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PER to DTW. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Perth Airport (PER) to Detroit Metropolitan Wayne County Airport (DTW)?
There are no daily nonstop flights from Perth Airport (PER) to Detroit Metropolitan Wayne County Airport (DTW). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from PER to DTW?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Perth Airport (PER) to Detroit Metropolitan Wayne County Airport (DTW)?
Select a flight from Perth Airport (PER) to Detroit Metropolitan Wayne County Airport (DTW) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Perth Airport (PER) to Detroit Metropolitan Wayne County Airport (DTW) last-minute?
Booking your flight from PER to DTW shortly before your getaway is generally more expensive. But if you’re flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a PER to DTW flight and hotel package?
You can save money by securing a PER to DTW flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one convenient place. After selecting your preferred accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Perth Airport (PER) to Detroit Metropolitan Wayne County Airport (DTW)?
Typically, you’re able to cancel or reschedule your PER to DTW flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you’d like more information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.