$868+ 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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ILG
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Return from

$1,815

One-way from

$868

Popular in

December

Cheapest in

February

Average price

$1,971
Air Canada
  • Air Canada
  • 12/10-19/10
  • 4 total stops
  • 58h 18m total
  • Sydney to Philadelphia
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15/9
  • 15/9
  • 2 total stops
  • 25h 12m total
  • Sydney to Delaware
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Highest demand for flights based on searches. 16% potential increase in price ($641 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($128 potential savings vs. average return price).
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Average for return flights in August 2025
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Find flight deals to Delaware

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 29 August 2025.

Sun 12/1010:20SYD - PHL
2 stops26h 18mAir Canada
Sun 19/1009:20PHL - SYD
2 stops32h 00mAir Canada
Deal found 28/8$1,815
Sun 12/1010:10SYD - PHL
2 stops24h 26mAmerican Airlines
Sun 19/1015:45PHL - SYD
1 stop25h 20mAmerican Airlines
Deal found 28/8$1,850
Sun 16/1111:20SYD - PHL
2 stops43h 27mAir Canada
Sat 22/1115:30PHL - SYD
2 stops26h 05mAir Canada
Deal found 28/8$1,855
Sat 11/1018:45SYD - PHL
1 stop27h 17mMultiple Airlines
Sat 18/1017:50PHL - SYD
2 stops49h 55mMultiple Airlines
Deal found 27/8$1,914
Sat 11/1010:20SYD - PHL
2 stops43h 18mAir Canada
Sat 18/1009:20PHL - SYD
2 stops56h 00mAir Canada
Deal found 27/8$1,922
Mon 15/1212:10SYD - PHL
2 stops44h 31mUnited Airlines
Thu 15/110:10PHL - SYD
2 stops30h 55mUnited Airlines
Deal found 27/8$1,960
Mon 1/1211:50SYD - PHL
1 stop26h 56mUnited Airlines
Thu 1/106:35PHL - SYD
2 stops31h 45mUnited Airlines
Deal found 26/8$2,417

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 29 August 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 12/10

10:20-21:38

2 stops26h 18m

Philadelphia

Sun 19/10

09:20-08:20

2 stops32h 00m

$1,815

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 12/10

10:10-19:36

2 stops24h 26m

Philadelphia

Sun 19/10

15:45-08:05

1 stop25h 20m

$1,850

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 16/11

11:20-14:47

2 stops43h 27m

Philadelphia

Sat 22/11

15:30-09:35

2 stops26h 05m

$1,855

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 11/10

18:45-07:02

1 stop27h 17m

Philadelphia

Sat 18/10

17:50-10:45

2 stops49h 55m

$1,914

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 11/10

10:20-14:38

2 stops43h 18m

Philadelphia

Sat 18/10

09:20-08:20

2 stops56h 00m

$1,922

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 1/12

11:50-14:07

2 stops42h 17m

Philadelphia

Thu 1/1

08:27-06:20

2 stops29h 53m

$1,960

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 15/9

10:20-21:32

2 stops25h 12m

$868

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 24/9

16:20-05:55

3 stops51h 35m

$966

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 7/10

10:20-21:38

2 stops26h 18m

$978

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 15/11

17:45-08:13

2 stops30h 28m

$1,013

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 13 results
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
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 8 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.

Etihad Airways
Etihad Airways
From $1,137
Qatar Airways
Qatar Airways
From $967
Emirates
Emirates
From $1,381
Royal Jordanian
Royal Jordanian
From $1,110

What are the cheapest airlines that fly to Delaware?

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

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 8 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

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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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