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

Our cheapest airline available from Detroit to Sydney is United Airlines. Our recent data shows that you can find tickets from as low as $1,429 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $1,488 and $1,549 round-trip. United Airlines is 19% cheaper than the average price of flights available within the next 90 days to this destination. Find deals

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

One-way options have recently been found by users for as low as $731 on Air Canada. Other airlines that offer cheap prices include United Airlines from $805 and Delta from $807 one-way. Find deals

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

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.

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

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.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 23 days in advance, which can save you up to 34% on flights from Detroit to Sydney compared to booking the week you need them. Waiting 23 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 $1,364. For sooner than that we have options available in the next 3 days from $1,364.

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

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 $1,767 on average during March, but can be found for as low as $1,293.

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

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

How can I find direct flights from Detroit to Sydney?

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

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

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.

$731+ Flights from Detroit to Sydney - Compare & Save Big

Cheapflights Tip: The best prices from Detroit All airports to Sydney Kingsford Smith are usually found in March or February, booked 22 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Detroit to Sydney

Round-trip from	$1,429
One-way from	$731
Popular in	December
Cheapest in	March
Average price	$1,490

United Airlines
5/8-20/8
4 total stops
48h 47m total
Detroit to Sydney

Search Deals

Air Canada
6/6
2 total stops
31h 25m total
Detroit to Sydney

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($488 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($60 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Find flight deals from Detroit to Sydney

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 1 May 2025.

Tue 5/819:43DTW - SYD

1 stop21h 12mUnited Airlines

Wed 20/810:20SYD - DTW

1 stop20h 06mUnited Airlines

Deal found 30/4$1,429

Mon 2/616:01DTW - SYD

2 stops24h 54mAmerican Airlines

Sun 15/621:30SYD - DTW

2 stops25h 45mAmerican Airlines

Deal found 30/4$1,488

Mon 15/912:40DTW - SYD

1 stop27h 55mDelta

Fri 26/909:25SYD - DTW

1 stop21h 43mDelta

Deal found 30/4$1,549

Tue 3/609:55DTW - SYD

2 stops31h 25mAir Canada

Tue 10/609:20SYD - DTW

2 stops39h 04mAir Canada

Deal found 30/4$1,566

Tue 3/619:51DTW - SYD

1 stop21h 04mMultiple Airlines

Tue 10/609:20SYD - DTW

2 stops50h 05mMultiple Airlines

Deal found 30/4$1,644

Sat 29/1117:51DTW - SYD

2 stops25h 54mQantas Airways

Sat 13/1214:30SYD - DTW

1 stop21h 38mQantas Airways

Deal found 30/4$1,733

Tue 26/817:32DTW - SYD

2 stops25h 13mAir New Zealand

Tue 2/909:55SYD - DTW

2 stops28h 01mAir New Zealand

Deal found 30/4$1,869

Thu 7/807:00DTW - SYD

2 stops46h 45mAlaska Airlines

Sun 24/821:40SYD - DTW

2 stops32h 15mAlaska Airlines

Deal found 30/4$2,493

Fri 8/821:00DTW - SYD

2 stops32h 00mTurkish Airlines

Fri 15/820:55SYD - DTW

2 stops36h 10mTurkish Airlines

Deal found 30/4$2,556

Thu 1/511:26DTW - SYD

2 stops39h 44mQatar Airways

Tue 1/720:45SYD - DTW

2 stops39h 32mQatar Airways

Deal found 30/4$2,668

Best flights from Detroit to Sydney
Discover carefully curated flight deals from Detroit to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 May 2025.

Tue 5/818:15DTW - SYD

2 stops22h 45mUnited Airlines

Wed 20/810:20SYD - DTW

2 stops26h 02mUnited Airlines

Deal found 30/4$1,429

Mon 2/616:01DTW - SYD

2 stops24h 54mAmerican Airlines

Sun 15/621:30SYD - DTW

2 stops25h 45mAmerican Airlines

Deal found 30/4$1,488

Mon 15/912:40DTW - SYD

1 stop27h 55mDelta

Fri 26/909:25SYD - DTW

1 stop21h 43mDelta

Deal found 30/4$1,549

Tue 3/609:55DTW - SYD

2 stops31h 25mAir Canada

Tue 10/609:20SYD - DTW

2 stops39h 04mAir Canada

Deal found 30/4$1,566

Tue 3/619:51DTW - SYD

1 stop21h 04mMultiple Airlines

Tue 10/609:20SYD - DTW

2 stops50h 05mMultiple Airlines

Deal found 30/4$1,644

Tue 26/817:32DTW - SYD

2 stops25h 13mAir New Zealand

Tue 2/909:55SYD - DTW

2 stops28h 01mAir New Zealand

Deal found 30/4$1,869

Thu 7/819:44DTW - SYD

1 stop21h 11mQantas Airways

Mon 25/812:10SYD - DTW

1 stop24h 03mQantas Airways

Deal found 30/4$1,932

Thu 7/816:46DTW - SYD

2 stops60h 59mAlaska Airlines

Sun 24/821:40SYD - DTW

2 stops32h 15mAlaska Airlines

Deal found 30/4$2,493

Fri 8/821:00DTW - SYD

2 stops32h 00mTurkish Airlines

Fri 15/820:55SYD - DTW

2 stops36h 10mTurkish Airlines

Deal found 30/4$2,556

Last-minute flights from Detroit to Sydney
Discover last-minute flight deals from Detroit to Sydney. Data last updated 1 May 2025 and is based on user searches.

Thu 1/511:26DTW - SYD

2 stops39h 44mQatar Airways

Tue 1/720:45SYD - DTW

2 stops39h 32mQatar Airways

Deal found 30/4$2,668

Fri 2/517:13DTW - SYD

2 stops36h 32mAlaska Airlines

Fri 30/521:40SYD - DTW

2 stops45h 34mAlaska Airlines

Deal found 30/4$2,577

Tue 6/515:31DTW - SYD

2 stops26h 39mQantas Airways

Thu 15/517:30SYD - DTW

2 stops42h 38mQantas Airways

Deal found 1/5$2,760

Tue 6/511:02DTW - SYD

2 stops31h 43mAir New Zealand

Thu 15/510:20SYD - DTW

1 stop20h 17mAir New Zealand

Deal found 30/4$2,917

Tue 6/509:55DTW - SYD

3 stops31h 25mAir Canada

Thu 15/509:20SYD - DTW

2 stops39h 03mAir Canada

Deal found 1/5$3,320

Tue 6/512:34DTW - SYD

1 stop28h 01mDelta

Thu 15/509:25SYD - DTW

1 stop23h 46mDelta

Deal found 1/5$3,537

Mon 19/507:23DTW - SYD

2 stops35h 22mAir New Zealand

Sun 1/610:20SYD - DTW

1 stop22h 26mAir New Zealand

Deal found 1/5$2,895

Mon 19/515:31DTW - SYD

2 stops25h 59mAmerican Airlines

Sun 1/609:10SYD - DTW

2 stops23h 40mAmerican Airlines

Deal found 1/5$2,902

Mon 19/518:30DTW - SYD

1 stop22h 05mDelta

Sun 1/609:25SYD - DTW

1 stop21h 32mDelta

Deal found 1/5$3,103

Fri 30/516:53DTW - SYD

2 stops36h 52mMultiple Airlines

Fri 6/609:30SYD - DTW

2 stops25h 09mMultiple Airlines

Deal found 30/4$2,182

Fri 30/519:31DTW - SYD

1 stop21h 24mUnited Airlines

Fri 6/610:20SYD - DTW

1 stop22h 14mUnited Airlines

Deal found 30/4$2,685

Fri 30/509:55DTW - SYD

3 stops31h 25mAir Canada

Fri 6/609:20SYD - DTW

2 stops26h 05mAir Canada

Deal found 30/4$2,915

One-way flights from Detroit to Sydney
Search for one-way flight options from Detroit to Sydney. Find affordable one-way fares based on user searches. Data last updated 1 May 2025.

Fri 6/609:55DTW - SYD

2 stops31h 25mAir Canada

Deal found 30/4$731

Thu 5/619:43DTW - SYD

1 stop21h 12mUnited Airlines

Deal found 30/4$805

Mon 28/716:44DTW - SYD

2 stops23h 51mDelta

Deal found 30/4$807

Wed 21/507:00DTW - SYD

2 stops41h 40mMultiple Airlines

Deal found 29/4$1,069

Sat 24/516:53DTW - SYD

2 stops60h 52mAlaska Airlines

Deal found 30/4$1,472

Wed 21/515:57DTW - SYD

1 stop24h 58mQantas Airways

Deal found 29/4$1,912

Thu 5/620:21DTW - SYD

4 stops47h 14mLATAM Airlines

Deal found 30/4$4,734

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 5/8

18:15-07:00

2 stops22h 45m

Sydney Kingsford Smith

Wed 20/8

10:20-22:22

2 stops26h 02m

$1,429

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 2/6

16:01-06:55

2 stops24h 54m

Sydney Kingsford Smith

Sun 15/6

21:30-09:15

2 stops25h 45m

$1,488

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 15/9

12:40-06:35

1 stop27h 55m

Sydney Kingsford Smith

Fri 26/9

09:25-17:08

1 stop21h 43m

$1,549

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 3/6

09:55-07:20

2 stops31h 25m

Sydney Kingsford Smith

Tue 10/6

09:20-10:24

2 stops39h 04m

$1,566

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 3/6

19:51-06:55

1 stop21h 04m

Sydney Kingsford Smith

Tue 10/6

09:20-21:25

2 stops50h 05m

$1,644

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 26/8

17:32-08:45

2 stops25h 13m

Sydney Kingsford Smith

Tue 2/9

09:55-23:56

2 stops28h 01m

$1,869

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 7/8

19:44-06:55

1 stop21h 11m

Sydney Kingsford Smith

Sun 24/8

12:10-18:30

1 stop20h 20m

$1,932

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 7/8

16:46-19:45

2 stops60h 59m

Sydney Kingsford Smith

Sun 24/8

21:40-15:55

2 stops32h 15m

$2,493

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 8/8

21:00-19:00

2 stops32h 00m

Sydney Kingsford Smith

Fri 15/8

20:55-19:05

2 stops36h 10m

$2,556

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 6/6

09:55-07:20

2 stops31h 25m

$731

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 16 results

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.

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 Detroit to Sydney

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

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 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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.

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

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.

Rainfall in Sydney by month

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.

Temperature in Sydney by month

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).

Reviews of airlines servicing Sydney

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Air New Zealand from Detroit to Sydney to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very Good

9,972 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very Good

9,972 reviews

Alaska Airlines

8.0

Very Good

9,972 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very Good

7,934 reviews

Alaska Airlines

8.0

Very Good

9,972 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Air New Zealand

8.0

Very Good

472 reviews

Alaska Airlines

8.0

Very Good

9,972 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Qantas Airways

7.5

Good

829 reviews

Alaska Airlines

8.0

Very Good

9,972 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

LATAM Airlines

7.5

Good

1,767 reviews

Alaska Airlines

8.0

Very Good

9,972 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Detroit to Sydney round-trip?
Our cheapest airline available from Detroit to Sydney is United Airlines. Our recent data shows that you can find tickets from as low as $1,429 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $1,488 and $1,549 round-trip. United Airlines is 19% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Detroit to Sydney one-way?
One-way options have recently been found by users for as low as $731 on Air Canada. Other airlines that offer cheap prices include United Airlines from $805 and Delta from $807 one-way.
Can I find deals for flights from Detroit to Sydney that include hotel bookings?
Yes. In addition to deals on Detroit to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Detroit to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Sydney.
Can I find deals for business class flights from Detroit to Sydney?
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.
What is the cheapest month to book a flight from Detroit to Sydney?
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.

See more FAQs

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Manly

Penrith

Coogee

Randwick

Terrigal

Cronulla

Lithgow

Bondi Beach

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Swansea

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Alternative routes for Detroit to Sydney

O'Hare Intl to Sydney flights

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Midway to Sydney flights

Other flights to Sydney

Top 2 airlines flying from Detroit to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$964	Average$1,443	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest$1,460	Average$1,483	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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

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.

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

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.

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

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

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

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.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Detroit to Sydney from $731

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 6/6. 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 22 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Detroit to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 1 May 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 1 May 2025.

Cheapflights Fare Finder

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.

Cheapflights Insights

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 25 April 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 1 May 2025.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

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 1 May 2025.

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Detroit to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Detroit to Sydney

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 1 May 2025.