Question 1

What are the cheapest airlines flying from Detroit to Sydney round-trip?

Accepted Answer

Our cheapest airline available from Detroit to Sydney is Qantas Airways. Our recent data shows that you can find tickets from as low as $1,193 on this airline. Additional options worth looking into are Air Canada and American Airlines, starting at $1,199 and $1,228 round-trip. Qantas Airways is 29% cheaper than the average price of flights available within the next 90 days to this destination. Find deals

Question 2

What are the cheapest airlines to fly from Detroit to Sydney one-way?

Accepted Answer

One-way options have recently been found by users for as low as $612 on American Airlines. Other airlines that offer cheap prices include United Airlines from $616 and Delta from $622 one-way. Find deals

Question 3

How far ahead should I book a flight from Detroit to Sydney?

Accepted Answer

The price you pay for your flight from Detroit to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date. Find deals

Question 4

What is the cheapest month to book a flight from Detroit to Sydney?

Accepted Answer

Currently, May is the cheapest month in which you can book a flight from Detroit to Sydney (average of $129). Flying from Detroit to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options. Find deals

Question 5

What is the cheapest day to fly from Detroit to Sydney?

Accepted Answer

Travellers seeking maximum savings on their Detroit to Sydney flight should consider departing on Monday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Question 8

What is the cheapest day to fly return from Detroit to Sydney?

Accepted Answer

Flights from Detroit to Sydney are generally found to be more expensive on Wednesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

Question 9

How far in advance should I book a flight from Detroit to Sydney?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 9% on flights from Detroit to Sydney compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,328. For sooner than that we have options available in the next 3 days from $1,328.

Question 10

What is the cheapest month to fly from Detroit to Sydney?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to Sydney. Flights to Sydney from Detroit in March are about $1,687 on average during March, but can be found for as low as $1,258.

Question 11

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

Accepted Answer

Unlike in the afternoon, when flights are generally more expensive, you can save up to 80% on flights from Detroit to Sydney by exploring options for tickets at midday.

Question 12

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

Accepted Answer

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

Question 13

How can I find direct flights from Detroit to Sydney?

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

When you search for this flight from Detroit to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 16

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Detroit to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 17

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

Accepted Answer

Yes! Cheapflights helps users easily find flights from Detroit to Sydney with no change fees.

Question 18

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

Accepted Answer

Not ready to book yet? You can track prices for flights from Detroit to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

Round-trip from	$1,193
One-way from	$612
Popular in	December
Cheapest in	March
Average price	$1,669

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$938	Average$1,405	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest$1,422	Average$1,444	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Cheap flights from Detroit to Sydney from $612

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Detroit All airports to Sydney Kingsford Smith are usually found in March or February, booked 55 days in advance, depart on a Tuesday or Monday and return on a Monday

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Find flight deals from Detroit to Sydney

Cheapest flights from Detroit to SydneyExplore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

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Use the filters below to find and compare flights from Detroit to Sydney that are best for you.

Best time to book a flight from Detroit to Sydney

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

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Everything you need to know about your flight from Detroit to Sydney

How far ahead should I book a flight from Detroit to Sydney?

Use this chart to determine the optimal time to book a return flight from Detroit to Sydney. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Detroit to Sydney?

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

Find hourly flight availability from Detroit to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

How much does it cost for a return flight from Detroit to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 4 July 2025.

Read reviews from past customers who have flown with Delta, Qantas Airways, andUnited Airlines from Detroit to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Detroit to Sydney round-trip?

What are the cheapest airlines to fly from Detroit to Sydney one-way?

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

How can I find direct flights from Detroit to Sydney?

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

What is the cheapest month to book a flight from Detroit to Sydney?

Travelling to a place near Detroit?

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Alternative routes for Detroit to Sydney

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Top 2 airlines flying from Detroit to Sydney

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

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

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

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

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Cheapest flights from Detroit to Sydney
Explore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.