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$1,171+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
— ILG
5 May — 12 May1
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 30 April 2025.

Return from

$1,986

One-way from

$1,171

Popular in

December

Cheapest in

February

Average price

$1,902
American Airlines
  • American Airlines
  • 1/6-21/6
  • 4 total stops
  • 46h 17m total
  • Sydney to Philadelphia
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9/7
  • 9/7
  • 2 total stops
  • 31h 43m total
  • Sydney to Delaware
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($726 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($142 potential savings vs. average return price).
Search Deals
Average for return flights in April 2025
Search Deals

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 30 April 2025.

Sun 1/609:10SYD - PHL
2 stops22h 33mAmerican Airlines
Sat 21/617:21PHL - SYD
2 stops23h 44mAmerican Airlines
Deal found 29/4$1,986
Sat 11/1010:20SYD - PHL
2 stops43h 18mAir Canada
Sat 1/1115:30PHL - SYD
2 stops26h 05mAir Canada
Deal found 29/4$2,063
Sat 11/1011:20SYD - PHL
1 stop21h 08mUnited Airlines
Sun 2/1105:00PHL - SYD
1 stop35h 15mUnited Airlines
Deal found 29/4$2,122
Fri 27/609:25SYD - PHL
2 stops37h 09mDelta
Thu 17/706:00PHL - SYD
2 stops34h 35mDelta
Deal found 29/4$2,326
Tue 13/520:45SYD - PHL
2 stops47h 45mMultiple Airlines
Fri 16/507:45PHL - SYD
1 stop33h 45mMultiple Airlines
Deal found 29/4$2,462
Tue 19/810:20SYD - PHL
1 stop21h 08mVirgin Australia
Fri 16/118:16PHL - SYD
1 stop44h 04mVirgin Australia
Deal found 30/4$2,692
Tue 10/609:10SYD - PHL
1 stop24h 46mQantas Airways
Sat 28/615:49PHL - SYD
1 stop25h 16mQantas Airways
Deal found 29/4$2,834
Tue 14/1021:45SYD - PHL
1 stop50h 15mQatar Airways
Wed 29/1020:50PHL - SYD
2 stops44h 35mQatar Airways
Deal found 29/4$3,054
Sun 12/1010:10SYD - PHL
3 stops29h 33mAir Tahiti Nui
Fri 31/1018:48PHL - SYD
3 stops31h 52mAir Tahiti Nui
Deal found 29/4$3,204
Wed 10/920:25SYD - PHL
2 stops47h 35mAlaska Airlines
Wed 5/1118:35PHL - SYD
2 stops57h 10mAlaska Airlines
Deal found 29/4$8,306
Tue 9/920:55SYD - PHL
2 stops34h 26mANA
Tue 4/1110:10PHL - SYD
2 stops66h 05mANA
Deal found 29/4$8,634
Thu 11/913:15SYD - PHL
2 stops23h 27mFiji Airways
Sat 1/1118:35PHL - SYD
2 stops36h 15mFiji Airways
Deal found 29/4$8,925

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 30 April 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 1/6

09:10-17:43

2 stops22h 33m

Philadelphia

Sat 21/6

17:21-07:05

2 stops23h 44m

$1,986

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 11/10

10:20-14:38

2 stops43h 18m

Philadelphia

Sat 1/11

15:30-08:35

2 stops26h 05m

$2,063

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 11/10

11:20-05:26

1 stop33h 06m

Philadelphia

Mon 3/11

06:00-09:15

1 stop35h 15m

$2,122

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 27/6

09:25-08:34

2 stops37h 09m

Philadelphia

Thu 17/7

06:00-06:35

2 stops34h 35m

$2,326

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 13/5

20:45-06:30

2 stops47h 45m

Philadelphia

Fri 16/5

07:45-07:30

1 stop33h 45m

$2,462

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 19/8

10:20-17:28

1 stop21h 08m

Philadelphia

Fri 16/1

18:16-06:20

1 stop44h 04m

$2,692

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 10/6

09:10-19:56

1 stop24h 46m

Philadelphia

Sat 28/6

15:49-07:05

1 stop25h 16m

$2,834

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 14/10

21:45-09:00

1 stop50h 15m

Philadelphia

Wed 29/10

20:50-08:25

2 stops44h 35m

$3,054

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 12/10

10:10-00:43

3 stops29h 33m

Philadelphia

Fri 31/10

18:48-17:40

3 stops31h 52m

$3,204

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 10/9

20:25-06:00

2 stops47h 35m

Philadelphia

Wed 5/11

18:35-19:45

2 stops57h 10m

$8,306

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 18 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 20 hours 37 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).

Reviews of airlines servicing Delaware

Get insights into the airlines that provide service to Delaware. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Delaware. Reviews last updated 30 April 2025.
Peruse reviews from past customers who have flown Delta, Qantas Airways and United Airlines to Delaware to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,936 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Qantas Airways
7.5
Good
829 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,245 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 37 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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