$1,096+ Cheap flights to Delaware

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
— ILG
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Delaware

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Cheapest flights to Delaware
Explore the most affordable flight options available to Delaware. Find the lowest fares based on data from user searches, with prices last updated on 25 October 2025.

Sun 7/1221:40SYD - PHL
2 stops60h 13mAlaska Airlines
Sun 14/1207:06PHL - SYD
2 stops44h 39mAlaska Airlines
Deal found 23/10$2,064
Mon 24/1111:20SYD - PHL
1 stop22h 24mAmerican Airlines
Mon 15/1210:27PHL - SYD
1 stop30h 33mAmerican Airlines
Deal found 23/10$2,118
Mon 24/1111:20SYD - PHL
2 stops43h 27mAir Canada
Mon 15/1215:30PHL - SYD
3 stops50h 05mAir Canada
Deal found 23/10$2,174
Fri 21/1111:45SYD - PHL
2 stops39h 55mAir New Zealand
Fri 28/1112:47PHL - SYD
2 stops27h 58mAir New Zealand
Deal found 24/10$2,257
Tue 9/1221:40SYD - PHL
2 stops48h 06mAlaska Airlines
Tue 16/1218:54PHL - SYD
2 stops56h 51mAlaska Airlines
Deal found 24/10$2,400
Fri 21/1106:30SYD - PHL
2 stops24h 08mQantas Airways
Fri 28/1115:45PHL - SYD
1 stop25h 15mQantas Airways
Deal found 24/10$2,519
Sun 7/1211:20SYD - PHL
1 stop28h 29mQantas Airways
Sun 14/1217:00PHL - SYD
2 stops28h 00mQantas Airways
Deal found 23/10$2,734
Fri 21/1111:20SYD - PHL
1 stop24h 43mAmerican Airlines
Fri 28/1118:45PHL - SYD
1 stop22h 15mAmerican Airlines
Deal found 24/10$2,820
Fri 21/1111:20SYD - PHL
3 stops43h 27mAir Canada
Fri 28/1115:30PHL - SYD
2 stops26h 05mAir Canada
Deal found 24/10$2,821
Fri 21/1121:40SYD - PHL
1 stop51h 25mQatar Airways
Fri 28/1119:30PHL - SYD
1 stop31h 20mQatar Airways
Deal found 24/10$2,866

Flights to Delaware in 2025

Find the latest flights to Delaware in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 25 October 2025.

Return from

$1,799

One-way from

$1,096

Popular in

December

Cheapest in

February

Average price

$1,744
Air New Zealand
  • Air New Zealand
  • 24/2-17/3
  • 4 total stops
  • 59h 05m total
  • Sydney to Philadelphia
Search Deals
5/11
  • 5/11
  • 3 total stops
  • 30h 49m total
  • Sydney to Delaware
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($445 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($86 potential savings vs. average return price).
Search Deals
Average for return flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to Delaware that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 25 October 2025.
Use the filters below to find and compare flights to Delaware that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 7/12

21:40-17:53

2 stops60h 13m

Philadelphia

Sun 14/12

07:06-19:45

2 stops44h 39m

$2,064

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/11

11:20-17:44

1 stop22h 24m

Philadelphia

Mon 15/12

10:27-09:00

1 stop30h 33m

$2,118

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/11

11:20-14:47

2 stops43h 27m

Philadelphia

Mon 15/12

15:30-09:35

3 stops50h 05m

$2,174

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

11:20-14:47

3 stops43h 27m

Philadelphia

Tue 10/3

15:30-08:35

2 stops26h 05m

$2,222

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 21/11

11:45-11:40

2 stops39h 55m

Philadelphia

Fri 28/11

12:47-08:45

2 stops27h 58m

$2,257

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 6/3

21:25-17:55

1 stop36h 30m

Philadelphia

Tue 10/3

17:05-09:00

2 stops24h 55m

$2,579

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 5/11

14:00-04:49

3 stops30h 49m

$1,096

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 5/11

14:00-04:49

3 stops30h 49m

$1,096

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 5/11

11:45-22:46

2 stops27h 01m

$1,165

Flights are sorted by cheapest return flights first.

Deals found on 22/10

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
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 to Delaware

How long is the flight to Delaware?

On average, a flight from Sydney to Delaware takes 21 hours 58 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

Plan your trip to Delaware by taking into account the average rainfall totals 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

Plan your trip to Delaware by taking into account the average temperature totals 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 58 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

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

Find flights to Delaware

Select your preferred flight destination in Delaware from the list below.
Flights to Wilmington
Flights to Philadelphia

Fly with Cheapflights

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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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