$1,102+ Cheap flights to Delaware

— ILG
24 Sep — 1 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Delaware in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Delaware

Sun 30/809:10 -
2 stops35h 20m
Mon 14/905:15 -
2 stops35h 50m
Deal found 23/8$1,648
Thu 5/1111:20 -
2 stops33h 50m
Mon 9/1105:00 -
1 stop33h 55m
Deal found 21/8$1,654
Sat 19/909:10 -
2 stops37h 55m
Sat 26/908:41 -
2 stops32h 24m
Deal found 22/8$1,676
Mon 21/909:10 -
1 stop28h 34m
Mon 28/910:31 -
1 stop30h 34m
Deal found 22/8$1,905
Tue 6/1010:10 -
1 stop25h 28m
Tue 13/1017:30 -
1 stop23h 35m
Deal found 22/8$1,936

Find flight deals to Delaware

Return from

$1,654

One-way from

$1,102

Popular in

September

Cheapest in

July

Average price

$1,563
American Airlines
  • American Airlines
  • 5/11-9/11
  • 3 total stops
  • 67h 45m total
  • Sydney to Philadelphia
Search Deals
25/9
  • 25/9
  • 3 total stops
  • 39h 06m total
  • Sydney to Delaware
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($115 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($97 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Delaware that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

11:10-17:49

1 stop22h 39m

Philadelphia

Mon 9/11

13:47-09:00

1 stop27h 13m

$1,906

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 7/10

10:10-23:32

1 stop28h 22m

Philadelphia

Wed 14/10

13:00-08:05

1 stop28h 05m

$2,105
Fastest return journey

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 24/12

11:50-17:06

1 stop21h 16m

Philadelphia

Mon 25/1

11:39-07:00

2 stops27h 21m

$2,529

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

22:10-14:40

1 stop32h 30m

Philadelphia

Mon 9/11

20:30-19:20

1 stop30h 50m

$2,777

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 2/11

11:20-14:44

3 stops43h 24m

Philadelphia

Thu 17/12

15:20-09:35

2 stops26h 15m

$2,969

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 7/10

15:50-14:30

1 stop37h 40m

Philadelphia

Mon 12/10

21:30-18:10

1 stop29h 40m

$3,013

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 22/12

06:55-14:49

2 stops23h 54m

Philadelphia

Wed 20/1

14:30-09:00

1 stop26h 30m

$3,038

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Mon 2/11

22:10-14:50

1 stop32h 40m

Philadelphia

Thu 17/12

15:20-19:20

2 stops36h 00m

$3,061

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Fri 9/10

11:55-14:43

3 stops41h 48m

Philadelphia

Tue 13/10

13:05-10:40

2 stops30h 35m

$3,089

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 22/12

10:40-20:36

2 stops25h 56m

Philadelphia

Sun 24/1

09:42-06:50

2 stops29h 08m

$3,166

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Delaware

How long is the flight to Delaware?

On average, a flight from Sydney to Delaware takes 21 hours 9 minutes. Flights to Delaware from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Delaware by month

In terms of precipitation, rainfall in Delaware ranges from 73.0 - 108.0 mm per month. July is typically the wettest month, when rainfall can reach 108.0 mm. February is typically the driest time to visit Delaware when rainfall is around 73.0 mm.

Temperature in Delaware by month

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

FAQs about flying to Delaware

  • Can I find cheaper flights to Delaware if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Delaware on Cheapflights that require 1 or 2 stops for potential cost savings.

  • Where does the fastest flight to Delaware depart from?

    For those looking to save time traveling to Delaware, Sydney Kingsford Smith offers the quickest one-way flight (21 hours 9 minutes).

  • Does Greater Wilmington have car hire?

    Yes. Those touching down at Greater Wilmington can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Greater Wilmington?

    Yes. Greater Wilmington has hotels nearby for those requiring accommodations. Skyways Hotel New Castle, De is the closest property to Greater Wilmington (0.0 km away from Greater Wilmington).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Find flights to Delaware

Flights to Wilmington
Flights to Philadelphia

Fly with Cheapflights

How does Cheapflights help users find flights to Delaware?

Deals for Delaware flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to Delaware?

Cheapflights helps you find that perfect flight to Delaware by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Delaware with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights to Delaware, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights to Delaware become cheaper?

Of course! You can track prices for flights to Delaware and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.

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.