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Cheap flights from Perth to Detroit from $3,103

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
PER — DTT
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Perth to Detroit

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Cheapest flights from Perth to Detroit
Explore the most affordable flight options available from Perth to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Thu 13/1115:55PER - DTW
2 stops58h 41mQatar Airways
Mon 17/1115:12DTW - PER
2 stops62h 33mQatar Airways
Deal found 3/11$3,103
Wed 12/1100:25PER - DTW
2 stops30h 54mCathay Pacific
Mon 17/1115:50DTW - PER
2 stops50h 05mCathay Pacific
Deal found 2/11$6,150

Cheap flight deals from Perth to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Detroit (DTT). 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 5 November 2025.

Popular in

November

Cheapest in

February

Average price

$3,621
Highest demand for flights based on searches. 9% potential increase in price ($442 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($151 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Best time to book a flight from Perth to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from Perth with our price prediction graph.
Estimated return 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 Perth to Detroit

What is the cheapest time of day to fly from PER to DTT?

Find hourly flight availability from Perth to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 November 2025.

When flying from Perth to Detroit, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 15% versus a flight in the morning.

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Detroit. Reviews last updated 5 November 2025.
See what other customers who have flown with Qantas Airways from Perth to Detroit have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
927 reviews
Check prices

Boarding

7.7

Comfort

7.5

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
927 reviews
Qantas Airways
7.5
Good
927 reviews
Check prices

Boarding

7.7

Comfort

7.5

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

Related info for your journey

Find useful and relevant information for your journey from Perth to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Perth to Detroit round-trip?

    Our cheapest airline available from Perth to Detroit is Qantas Airways. Our recent data shows that you can find tickets from as low as $1,947 on this airline. Qantas Airways is priced at 26% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Perth to Detroit that include hotel bookings?

    Yes. In addition to deals on Perth to Detroit flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Perth to Detroit?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Detroit.

  • Can I find deals for business class flights from Perth to Detroit?

    Yes. Cheapflights offers flight deals from Perth to Detroit by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Perth to Detroit

See prices for flight routes from nearby airports that may be better suited for you.
Perth to O'Hare Intl flights
Perth to Detroit flights

Top airline flying from Perth to Detroit

Discover the top airline that operate flights from Perth to Detroit. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,947Average$2,732FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Perth to Detroit?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Detroit from Perth today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Perth to Detroit?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Perth to Detroit.

Can Cheapflights find flights from Perth to Detroit with no change fees?

Need flexible booking options for your flight to Detroit from Perth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Perth to Detroit become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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