$820+ 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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
— ILG
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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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 7 November 2025.

Thu 4/1211:20SYD - PHL
2 stops43h 30mAir Canada
Thu 11/1215:30PHL - SYD
2 stops26h 05mAir Canada
Deal found 5/11$1,248
Thu 4/1211:20SYD - PHL
1 stop21h 58mQantas Airways
Thu 11/1211:45PHL - SYD
1 stop27h 10mQantas Airways
Deal found 5/11$1,982
Fri 21/1121:40SYD - PHL
2 stops48h 07mAlaska Airlines
Sat 13/1218:54PHL - SYD
2 stops56h 51mAlaska Airlines
Deal found 6/11$2,070
Mon 24/1111:20SYD - PHL
2 stops43h 27mAir Canada
Tue 16/1207:50PHL - SYD
2 stops31h 05mAir Canada
Deal found 6/11$2,393
Thu 4/1221:40SYD - PHL
2 stops36h 13mAlaska Airlines
Thu 11/1207:06PHL - SYD
2 stops68h 39mAlaska Airlines
Deal found 6/11$2,407
Mon 1/1216:00SYD - PHL
2 stops38h 50mAir Canada
Wed 31/1215:30PHL - SYD
2 stops26h 05mAir Canada
Deal found 6/11$2,764
Sat 20/1221:40SYD - PHL
2 stops47h 57mAlaska Airlines
Sat 27/1207:00PHL - SYD
2 stops44h 45mAlaska Airlines
Deal found 5/11$3,065
Fri 21/1111:20SYD - PHL
2 stops44h 29mAir Canada
Sat 13/1215:30PHL - SYD
3 stops50h 05mAir Canada
Deal found 6/11$3,105
Thu 4/1212:10SYD - PHL
1 stop23h 31mUnited Airlines
Thu 11/1206:15PHL - SYD
1 stop35h 00mUnited Airlines
Deal found 6/11$3,125

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 7 November 2025.

Return from

$1,248

One-way from

$820

Popular in

December

Cheapest in

February

Average price

$2,194
Air Canada
  • Air Canada
  • 4/12-11/12
  • 4 total stops
  • 69h 35m total
  • Sydney to Philadelphia
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22/11
  • 22/11
  • 3 total stops
  • 30h 50m total
  • Sydney to Delaware
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($423 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($83 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
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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 7 November 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

Thu 4/12

11:20-14:50

3 stops43h 30m

Philadelphia

Thu 11/12

15:30-09:35

2 stops26h 05m

$1,257

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 4/12

11:20-17:18

1 stop21h 58m

Philadelphia

Thu 11/12

11:45-06:55

1 stop27h 10m

$1,982

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 21/11

21:40-05:47

2 stops48h 07m

Philadelphia

Sat 13/12

18:54-19:45

2 stops56h 51m

$2,070

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 4/12

21:40-17:53

2 stops36h 13m

Philadelphia

Thu 11/12

07:06-19:45

2 stops68h 39m

$2,407

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 1/12

16:00-14:50

2 stops38h 50m

Philadelphia

Wed 31/12

15:30-09:35

2 stops26h 05m

$2,764

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 20/12

21:40-05:37

2 stops47h 57m

Philadelphia

Sat 27/12

07:00-19:45

2 stops44h 45m

$3,065

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 21/11

11:20-15:49

2 stops44h 29m

Philadelphia

Sat 13/12

15:30-09:35

3 stops50h 05m

$3,105

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 4/12

12:10-22:45

2 stops26h 35m

Philadelphia

Thu 11/12

06:15-09:15

1 stop35h 00m

$3,125

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 1/12

11:20-23:46

1 stop28h 26m

Philadelphia

Wed 31/12

15:41-09:00

1 stop25h 19m

$3,145

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/11

11:20-17:44

1 stop22h 24m

Philadelphia

Tue 16/12

15:13-09:00

1 stop25h 47m

$3,159

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 13 results
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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
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 12 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 $1,756
Qatar Airways
Qatar Airways
From $1,489
Emirates
Emirates
From $1,950
Royal Jordanian
Royal Jordanian
From $1,696

What are the cheapest airlines that fly to Delaware?

The cheapest airlines flying from Sydney to Delaware are Oman Air, Turkish Airlines 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 12 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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