$783+ Cheap flights to Delaware

— ILG
5 Oct — 12 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

Tue 29/908:55 -
2 stops27h 36m
Sun 8/1106:00 -
2 stops36h 35m
Deal found 5/9$1,955
Thu 29/1009:55 -
2 stops28h 02m
Thu 26/1109:10 -
2 stops33h 25m
Deal found 31/8$2,030
Tue 20/1011:55 -
2 stops34h 54m
Tue 27/1008:00 -
2 stops35h 35m
Deal found 5/9$2,039
Thu 5/1111:10 -
2 stops34h 00m
Mon 9/1107:00 -
1 stop31h 55m
Deal found 1/9$2,083
Wed 14/1010:10 -
1 stop21h 09m
Wed 28/1017:30 -
1 stop24h 30m
Deal found 1/9$2,089
Tue 6/1010:10 -
1 stop23h 34m
Tue 13/1017:30 -
1 stop23h 35m
Deal found 2/9$2,104
Tue 20/1010:10 -
2 stops22h 40m
Tue 27/1013:00 -
1 stop29h 00m
Deal found 5/9$2,115
Thu 15/1010:10 -
1 stop28h 22m
Thu 29/1015:57 -
1 stop26h 03m
Deal found 31/8$2,143

Find flight deals to Delaware

Return from

$1,955

One-way from

$783

Popular in

September

Cheapest in

July

Average price

$3,053
Air New Zealand
  • Air New Zealand
  • 29/9-8/11
  • 4 total stops
  • 64h 11m total
  • Sydney to Philadelphia
Search Deals
27/10-31/12
  • 27/10-31/12
  • 3 total stops
  • 39h 13m 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 ($96 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
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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

Tue 27/10

14:00-14:13

3 stops39h 13m

Philadelphia

Wed 31/12

00:00-15:00

Nonstop0h 00m

$783
Fastest return journey

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 19/11

11:10-17:55

1 stop22h 45m

Philadelphia

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,250

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 27/10

11:10-23:32

1 stop27h 22m

Philadelphia

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,250

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 19/11

14:00-23:40

3 stops49h 40m

Philadelphia

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,325

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Tue 6/10

10:10-18:44

1 stop23h 34m

Philadelphia

Tue 13/10

17:30-08:05

1 stop23h 35m

$2,104

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Sun 11/10

10:10-19:50

2 stops24h 40m

Philadelphia

Sat 24/10

16:28-09:00

2 stops25h 32m

$2,162

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

11:05-07:06

2 stops36h 01m

Philadelphia

Mon 9/11

12:47-06:55

2 stops26h 08m

$2,259

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 29/10

22:10-15:50

1 stop32h 40m

Philadelphia

Thu 26/11

20:45-06:50

1 stop42h 05m

$2,455

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Thu 5/11

22:10-14:50

1 stop32h 40m

Philadelphia

Mon 9/11

20:45-19:20

1 stop30h 35m

$2,509

SydneyPhiladelphia

SYD Sydney Kingsford Smith - PHL Philadelphia

SYDPHL

Sydney Kingsford Smith

Wed 14/10

11:55-07:49

2 stops34h 54m

Philadelphia

Wed 28/10

09:45-10:35

3 stops33h 50m

$2,615

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 17 resultsSorted by cheapest first
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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 25 hours 51 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 (25 hours 51 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

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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.

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