$1,236+ 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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
— ILG
23 Jul — 30 Jul1
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
Explore the most affordable flight options available to Delaware. Find the lowest fares based on data from user searches, with prices last updated on 23 June 2026.

Mon 13/710:20
SYD
-
PHL
1 stop29h 03m
United Airlines
Sun 26/706:00
PHL
-
SYD
1 stop34h 55m
United Airlines
Deal found 21/6$1,446
Thu 16/710:20
SYD
-
PHL
1 stop20h 57m
United Airlines
Tue 28/706:00
PHL
-
SYD
1 stop34h 55m
United Airlines
Deal found 18/6$1,453
Tue 21/710:20
SYD
-
PHL
1 stop20h 57m
United Airlines
Thu 20/818:36
PHL
-
SYD
1 stop22h 19m
United Airlines
Deal found 19/6$1,518
Fri 28/806:15
SYD
-
PHL
3 stops44h 11m
Multiple Airlines
Mon 31/810:40
PHL
-
SYD
3 stops35h 10m
Multiple Airlines
Deal found 21/6$1,679
Thu 22/1010:10
SYD
-
PHL
2 stops34h 25m
American Airlines
Mon 26/1005:00
PHL
-
SYD
1 stop34h 55m
American Airlines
Deal found 20/6$1,680
Thu 6/809:15
SYD
-
PHL
2 stops30h 04m
Delta
Thu 13/814:31
PHL
-
SYD
2 stops26h 19m
Delta
Deal found 21/6$1,728
Fri 28/809:15
SYD
-
PHL
2 stops26h 22m
Delta
Mon 31/810:00
PHL
-
SYD
2 stops30h 50m
Delta
Deal found 21/6$1,729
Thu 22/1010:30
SYD
-
PHL
2 stops23h 54m
United Airlines
Mon 26/1015:05
PHL
-
SYD
2 stops27h 15m
United Airlines
Deal found 19/6$1,816

Find flight deals to Delaware

Find the latest flights to Delaware in 2026, 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 23 June 2026.

Return from

$1,446

One-way from

$1,236

Popular in

September

Cheapest in

November

Average price

$2,610
United Airlines
  • United Airlines
  • 13/7-26/7
  • 2 total stops
  • 63h 58m total
  • Sydney to Philadelphia
Search Deals
American Airlines
  • American Airlines
  • 31/7
  • 1 total stop
  • 25h 30m total
  • Sydney to Delaware
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($269 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($108 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
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 23 June 2026.
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 - PHL

SYDPHL

Sydney Kingsford Smith

Mon 13/7

09:30-21:19

2 stops25h 49m

Philadelphia

Sun 26/7

08:05-06:55

2 stops32h 50m

$1,446

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 16/7

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 28/7

06:15-07:00

2 stops34h 45m

$1,453
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/7

10:20-00:57

2 stops28h 37m

Philadelphia

Thu 20/8

18:36-06:55

1 stop22h 19m

$1,518

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 22/10

10:10-05:35

2 stops34h 25m

Philadelphia

Mon 26/10

05:00-06:55

1 stop34h 55m

$1,679

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/8

09:15-01:19

2 stops30h 04m

Philadelphia

Thu 13/8

14:31-06:50

2 stops26h 19m

$1,728

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 28/8

09:15-21:37

2 stops26h 22m

Philadelphia

Mon 31/8

10:00-06:50

2 stops30h 50m

$1,729

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 22/10

10:30-19:24

2 stops23h 54m

Philadelphia

Mon 26/10

15:05-09:20

2 stops27h 15m

$1,816
Cheapest one-way

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 31/7

09:30-05:31

2 stops34h 01m

$1,241

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 31/7

09:30-05:31

2 stops34h 01m

$1,241
Fastest single journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 27/6

10:20-01:23

1 stop29h 03m

$1,242

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Sorted by cheapest first

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 25 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

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 (25 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

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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