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$988+ Cheap flights from Dayton (DAY) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SYD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Dayton to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Sydney (SYD). 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 August 14, 2025.

Round-trip from

$988
(United Airlines)

Popular in

April

Cheapest in

September

Average price

$1,512
From Dayton to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($528 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($202 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dayton to Sydney

Cheapest flights from Dayton to Sydney
Explore the most affordable flight options available from Dayton to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:55 pmDAY - SYD
2 stops47h 05mUnited Airlines
Fri 10/39:30 amSYD - DAY
2 stops26h 34mUnited Airlines
Deal found 8/12$988
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:42 amDAY - SYD
2 stops29h 18mUnited Airlines
Wed 8/279:30 amSYD - DAY
2 stops26h 42mUnited Airlines
Deal found 8/11$1,180
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:00 pmDAY - SYD
2 stops27h 00mUnited Airlines
Fri 8/299:30 amSYD - DAY
2 stops48h 42mUnited Airlines
Deal found 8/12$1,201
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:25 amDAY - SYD
2 stops31h 35mUnited Airlines
Tue 10/2810:20 amSYD - DAY
2 stops24h 55mUnited Airlines
Deal found 8/12$1,332
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:32 pmDAY - SYD
1 stop22h 23mAmerican Airlines
Fri 10/312:10 pmSYD - DAY
1 stop25h 27mAmerican Airlines
Deal found 8/12$1,345
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:00 amDAY - SYD
2 stops34h 55mUnited Airlines
Tue 8/199:30 amSYD - DAY
2 stops26h 42mUnited Airlines
Deal found 8/13$1,387
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amDAY - SYD
2 stops34h 35mDelta
Wed 8/279:25 amSYD - DAY
2 stops27h 58mDelta
Deal found 8/12$1,388
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:18 pmDAY - SYD
2 stops23h 47mAmerican Airlines
Tue 10/281:20 pmSYD - DAY
1 stop24h 56mAmerican Airlines
Deal found 8/12$1,433
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:49 pmDAY - SYD
2 stops26h 16mAmerican Airlines
Fri 8/2912:10 pmSYD - DAY
1 stop24h 50mAmerican Airlines
Deal found 8/12$2,151

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dayton to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Dayton to Sydney that are best for you.

Fly from

Dayton

Fly to

Sydney

Route

Depart

Return

Price

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Fri 9/26

5:55 pm-7:00 am

2 stops47h 05m

Sydney Kingsford Smith

Fri 10/3

9:30 am-10:04 pm

2 stops26h 34m

$988

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Tue 8/26

2:00 pm-7:00 am

2 stops27h 00m

Sydney Kingsford Smith

Fri 8/29

9:30 am-8:12 pm

2 stops48h 42m

$1,201

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Mon 10/13

9:25 am-8:00 am

2 stops31h 35m

Sydney Kingsford Smith

Tue 10/28

10:20 am-8:15 pm

2 stops24h 55m

$1,332

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Fri 9/26

6:32 pm-6:55 am

1 stop22h 23m

Sydney Kingsford Smith

Fri 10/3

12:10 pm-11:37 pm

1 stop25h 27m

$1,345

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Mon 10/13

5:18 pm-8:05 am

2 stops23h 47m

Sydney Kingsford Smith

Tue 10/28

1:20 pm-11:16 pm

1 stop24h 56m

$1,433

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Tue 8/26

1:49 pm-6:05 am

2 stops26h 16m

Sydney Kingsford Smith

Fri 8/29

12:10 pm-11:00 pm

1 stop24h 50m

$2,151

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Mon 10/13

12:26 pm-7:55 am

2 stops28h 29m

Sydney Kingsford Smith

Tue 10/28

8:45 am-9:36 pm

3 stops27h 51m

$2,369

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Dayton to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Dayton with our price prediction graph.
Estimated round-trip 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 Dayton to Sydney

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

Currently, February is the cheapest month in which you can book a flight from Dayton to Sydney (average of $1,031). Flying from Dayton to Sydney in December is currently the most expensive (average of $1,619). 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 DAY to SYD?

Find hourly flight availability from Dayton 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 August 14, 2025.

When flying from Dayton to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 1% versus a flight in the morning.

How much does it cost to fly round-trip from Dayton 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 August 14, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Dayton 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.
United Airlines
7.4
Good
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Dayton 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 Dayton to Sydney round-trip?

    Currently priced at $943, United Airlines will fly you from Dayton to Sydney and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $1,342. United Airlines is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Dayton to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Dayton 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 Dayton to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Dayton to Sydney (average of $1,031). Flying from Dayton to Sydney in December is currently the most expensive (average of $1,619). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
Parramatta
Manly
Coogee

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.

Top 2 airlines flying from Dayton to Sydney

Discover the top 2 airlines that operate flights from Dayton to Sydney. 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 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$943Average$1,278FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,342Average$1,379FlexibilityNo cancel feeOn-time71%

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