Cheap flights from Detroit to Perth from $1,617
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Perth departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Detroit to Perth
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Qantas Airways flights from Detroit to Perth
Our best Qantas Airways deals on Detroit to Perth flight tickets
Cathay Pacific flights from Detroit to Perth
Our best Cathay Pacific deals on Detroit to Perth flight tickets
See travel insights to Perth from
How to get the cheapest flight ticket from Detroit to Perth
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Perth?
The cheapest day to depart on your flight to Perth is on a Thursday when prices can be found for as low as $1,708. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Tuesday, with ticket prices averaging around $2,197.
What is the cheapest time of day to depart on your flight to Perth?
In the evening is the cheapest time of day to fly from Detroit to Perth when you can find flight prices for as low as $1,713. Flying to Perth in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $2,019. Of course, these prices can vary depending on the time of year and what airport you fly to.
When to book flights from Detroit to Perth
Cheap Detroit to Perth (DTT to PER) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Detroit to Perth
How far is Detroit to Perth by plane?
The straight-line distance from Detroit to Perth is 11168.8 mi. Typically, this will take 31h 07m by plane in normal conditions.
When did momondo last update prices for flights from Detroit to Perth Airport?
Prices for flights from Detroit to Perth Airport are updated daily.
How many operators does momondo search for flights from Detroit to Perth Airport?
As of May 2025, there is 1 operator available to choose from for flights from Detroit to Perth Airport.
How old do you have to be to fly from Detroit to Perth Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Detroit to Perth
Compare and see reviews for airlines that fly from Detroit to Perth with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,156 | Free Cancellation | Rating 7.5 829 reviews |
Traveling to a place near Perth?
Book flights to Perth if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Detroit to Perth?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to Perth for you.
Can I find flights from Detroit to Perth with flexible booking policies on momondo?
Flights from Detroit to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Detroit to Perth?
Once all potential Detroit to Perth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Detroit to Perth right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Perth from Detroit. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.