HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$555+ Cheap flights from Dayton (DAY) to Sydney (SYD)

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SYD
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dayton to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 2, 2026.

This Delta deal was found by Cheapflights users on 1/31. 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.
Tue 3/1711:31 am
DAY
-
SYD
2 stops28h 59m
Delta
Tue 3/241:15 pm
SYD
-
DAY
2 stops36h 31m
Delta
Deal found 1/31$1,175
This United Airlines deal was found by Cheapflights users on 1/30. 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 2/92:04 pm
DAY
-
SYD
2 stops24h 16m
United Airlines
Thu 2/122:00 pm
SYD
-
DAY
2 stops25h 43m
United Airlines
Deal found 1/30$1,282
This American Airlines deal was found by Cheapflights users on 1/31. 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 3/1712:09 pm
DAY
-
SYD
1 stop27h 46m
American Airlines
Tue 3/2411:20 am
SYD
-
DAY
2 stops24h 58m
American Airlines
Deal found 1/31$1,434
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 3/185:56 pm
DAY
-
SYD
1 stop21h 59m
American Airlines
Wed 3/251:05 pm
SYD
-
DAY
1 stop24h 00m
American Airlines
Deal found 1/31$1,455
This American Airlines deal was found by Cheapflights users on 2/1. 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 10/25:35 pm
DAY
-
SYD
2 stops23h 30m
American Airlines
Mon 10/121:00 pm
SYD
-
DAY
1 stop21h 59m
American Airlines
Deal found 2/1$1,608
This Cathay Pacific deal was found by Cheapflights users on 2/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:41 pm
DAY
-
SYD
3 stops38h 54m
Multiple Airlines
Mon 3/233:15 pm
SYD
-
DAY
2 stops45h 03m
Multiple Airlines
Deal found 2/1$1,667
This Cathay Pacific deal was found by Cheapflights users on 2/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:54 pm
DAY
-
SYD
2 stops47h 41m
Multiple Airlines
Mon 11/309:05 pm
SYD
-
DAY
3 stops36h 13m
Multiple Airlines
Deal found 2/1$1,687
This Cathay Pacific deal was found by Cheapflights users on 2/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:43 pm
DAY
-
SYD
3 stops37h 42m
Multiple Airlines
Mon 8/172:05 pm
SYD
-
DAY
2 stops45h 42m
Multiple Airlines
Deal found 2/1$1,717
This Cathay Pacific deal was found by Cheapflights users on 2/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:45 am
DAY
-
SYD
2 stops36h 05m
Multiple Airlines
Mon 10/127:45 pm
SYD
-
DAY
3 stops40h 03m
Multiple Airlines
Deal found 2/1$1,731

Find 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 February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,175
(Delta)

One-way from

$555
(United Airlines)

Popular in

April

Cheapest in

November

Average price

$1,521
Provider with most accurate pricing for Dayton-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dayton-Sydney Kingsford Smith flights.
Search Deals
From Dayton to Sydney Kingsford Smith
Search Deals
One-way flight from Dayton to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($594 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($206 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 2, 2026.
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

Wed 3/18

11:31 am-7:25 am

2 stops28h 54m

Sydney Kingsford Smith

Wed 3/25

9:40 am-10:48 pm

2 stops28h 08m

$1,175

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Tue 3/17

11:31 am-7:30 am

2 stops28h 59m

Sydney Kingsford Smith

Tue 3/24

1:15 pm-10:46 am

2 stops36h 31m

$1,175

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Thu 3/19

6:00 pm-9:15 am

2 stops24h 15m

Sydney Kingsford Smith

Mon 3/23

10:25 am-8:21 pm

2 stops24h 56m

$1,282

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Wed 3/18

2:07 pm-6:20 am

2 stops25h 13m

Sydney Kingsford Smith

Wed 3/25

10:25 am-8:10 pm

2 stops24h 45m

$1,283

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Fri 5/8

11:24 am-6:50 am

2 stops29h 26m

Sydney Kingsford Smith

Mon 5/11

9:15 am-5:53 pm

2 stops22h 38m

$1,283

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Thu 3/19

6:00 am-7:30 am

2 stops34h 30m

Sydney Kingsford Smith

Mon 3/23

9:40 am-10:48 pm

2 stops28h 08m

$1,283

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Tue 3/17

12:09 pm-6:55 am

1 stop27h 46m

Sydney Kingsford Smith

Tue 3/24

11:20 am-9:18 pm

2 stops24h 58m

$1,434

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Wed 3/18

5:56 pm-6:55 am

1 stop21h 59m

Sydney Kingsford Smith

Wed 3/25

1:05 pm-10:05 pm

1 stop24h 00m

$1,455

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Thu 3/19

12:41 pm-6:35 pm

3 stops38h 54m

Sydney Kingsford Smith

Mon 3/23

3:15 pm-9:18 pm

2 stops45h 03m

$1,667

DaytonSydney

DAY - SYD

DAYSYD

Dayton

Sun 4/12

2:05 pm-7:00 am

2 stops26h 55m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 12 results
1
2

Compare providers for flights from Dayton to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dayton to Sydney in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dayton-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dayton-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dayton-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dayton-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dayton-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, September is the cheapest month in which you can book a flight from Dayton to Sydney (average of $321). Flying from Dayton to Sydney in December is currently the most expensive (average of $1,221). 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.

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 February 2, 2026.
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
9,229 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,229 reviews
United Airlines
7.4
Good
9,229 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,212 reviews
United Airlines
7.4
Good
9,229 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Dayton to Sydney?

    For as low as $1,282, Delta can have you in Sydney from Dayton in 24h 15m. Dayton and Sydney are separated by a distance of 9392 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $1,280. United Airlines is priced at 41% 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, September is the cheapest month in which you can book a flight from Dayton to Sydney (average of $321). Flying from Dayton to Sydney in December is currently the most expensive (average of $1,221). 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
Parramatta
Wollongong
Manly

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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$943Average$1,316FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,280Average$1,447FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.
Site
Cookie settings©2026 Cheapflights