$892+ 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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
— ILG
14 Jul — 21 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 14 June 2026.

Mon 22/610:20
SYD
-
PHL
1 stop29h 09m
United Airlines
Mon 29/618:23
PHL
-
SYD
1 stop22h 32m
United Airlines
Deal found 11/6$1,437
Mon 22/610:20
SYD
-
PHL
1 stop29h 09m
United Airlines
Sun 5/706:00
PHL
-
SYD
1 stop34h 55m
United Airlines
Deal found 14/6$1,438
Tue 21/710:20
SYD
-
PHL
1 stop20h 57m
United Airlines
Tue 28/709:25
PHL
-
SYD
1 stop31h 30m
United Airlines
Deal found 10/6$1,443
Sat 15/817:50
SYD
-
PHL
1 stop40h 19m
Qantas Airways
Mon 17/816:56
PHL
-
SYD
2 stops23h 59m
Qantas Airways
Deal found 12/6$1,477
Tue 28/709:15
SYD
-
PHL
2 stops34h 14m
Delta
Tue 4/806:05
PHL
-
SYD
2 stops34h 45m
Delta
Deal found 13/6$1,674
Tue 21/710:20
SYD
-
PHL
1 stop20h 57m
Virgin Australia
Tue 28/709:25
PHL
-
SYD
1 stop31h 30m
Virgin Australia
Deal found 12/6$1,711
Thu 6/809:30
SYD
-
PHL
2 stops29h 53m
United Airlines
Mon 10/818:19
PHL
-
SYD
1 stop22h 36m
United Airlines
Deal found 11/6$1,804
Mon 3/810:20
SYD
-
PHL
1 stop29h 03m
Air New Zealand
Fri 7/809:25
PHL
-
SYD
1 stop31h 30m
Air New Zealand
Deal found 12/6$1,867
Tue 16/609:30
SYD
-
PHL
2 stops25h 49m
Air New Zealand
Thu 18/608:05
PHL
-
SYD
2 stops32h 55m
Air New Zealand
Deal found 12/6$1,872

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 14 June 2026.

Return from

$1,443

One-way from

$892

Popular in

September

Cheapest in

November

Average price

$2,668
United Airlines
  • United Airlines
  • 21/7-28/7
  • 2 total stops
  • 52h 27m total
  • Sydney to Philadelphia
Search Deals
United Airlines
  • United Airlines
  • 24/8
  • 3 total stops
  • 43h 30m total
  • Sydney to Delaware
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($247 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 14 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

Tue 21/7

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 28/7

09:25-06:55

1 stop31h 30m

$1,443

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 27/7

10:20-17:17

1 stop20h 57m

Philadelphia

Mon 3/8

06:10-06:55

2 stops34h 45m

$1,443

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 28/7

09:15-05:29

2 stops34h 14m

Philadelphia

Tue 4/8

06:05-06:50

2 stops34h 45m

$1,674

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/8

09:30-00:57

2 stops29h 27m

Philadelphia

Mon 10/8

15:10-06:55

2 stops25h 45m

$1,804
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 6/8

09:10-18:34

1 stop23h 24m

Philadelphia

Mon 10/8

14:08-07:05

1 stop26h 57m

$1,887
Cheapest one-way

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/8

10:20-07:49

1 stop35h 29m

$892

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/8

10:20-07:49

1 stop35h 29m

$892
Fastest single journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 1/12

11:20-22:30

2 stops27h 10m

$1,143

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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 20 hours 57 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.

What are the most popular airlines that fly to Delaware?

The most popular airlines flying from Sydney to Delaware are Etihad Airways, Qatar Airways and Emirates.

Qatar Airways
Qatar Airways
From $1,352
Etihad Airways
Etihad Airways
From $1,514
Emirates
Emirates
From $1,499
Virgin Australia
Virgin Australia
From $1,050

What are the cheapest airlines that fly to Delaware?

The cheapest airlines flying from Sydney to Delaware are Virgin Australia, Turkish Airlines and Oman Air.

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 (20 hours 57 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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