$893+ 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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
— ILG
31 Jul — 7 Aug1
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 1 July 2026.

Mon 17/810:20
SYD
-
PHL
1 stop24h 35m
United Airlines
Wed 2/918:36
PHL
-
SYD
1 stop22h 19m
United Airlines
Deal found 30/6$1,446
Wed 19/810:20
SYD
-
PHL
1 stop21h 10m
United Airlines
Mon 7/909:27
PHL
-
SYD
1 stop31h 28m
United Airlines
Deal found 27/6$1,447
Wed 19/810:20
SYD
-
PHL
1 stop21h 10m
United Airlines
Tue 1/909:27
PHL
-
SYD
1 stop31h 28m
United Airlines
Deal found 26/6$1,449
Sat 22/810:20
SYD
-
PHL
2 stops23h 05m
United Airlines
Wed 2/918:36
PHL
-
SYD
1 stop22h 19m
United Airlines
Deal found 30/6$1,516
Sat 22/810:20
SYD
-
PHL
1 stop22h 55m
United Airlines
Sat 5/919:40
PHL
-
SYD
2 stops45h 20m
United Airlines
Deal found 27/6$1,517
Fri 14/809:30
SYD
-
PHL
2 stops25h 25m
United Airlines
Wed 2/918:36
PHL
-
SYD
1 stop22h 19m
United Airlines
Deal found 26/6$1,518
Wed 5/806:05
SYD
-
PHL
3 stops43h 35m
Multiple Airlines
Tue 18/808:30
PHL
-
SYD
3 stops47h 55m
Multiple Airlines
Deal found 30/6$1,530
Sat 22/810:20
SYD
-
PHL
1 stop22h 55m
United Airlines
Fri 4/918:36
PHL
-
SYD
1 stop22h 19m
United Airlines
Deal found 30/6$1,585
Fri 7/810:20
SYD
-
PHL
2 stops33h 11m
United Airlines
Sat 5/909:27
PHL
-
SYD
1 stop31h 28m
United Airlines
Deal found 28/6$1,587
Fri 14/810:20
SYD
-
PHL
1 stop35h 29m
United Airlines
Fri 4/918:36
PHL
-
SYD
1 stop22h 19m
United Airlines
Deal found 26/6$1,588
Thu 30/713:15
SYD
-
PHL
3 stops30h 24m
Multiple Airlines
Mon 17/812:54
PHL
-
SYD
3 stops32h 56m
Multiple Airlines
Deal found 30/6$1,642
Thu 23/710:20
SYD
-
PHL
1 stop35h 30m
United Airlines
Mon 27/706:00
PHL
-
SYD
1 stop34h 55m
United Airlines
Deal found 28/6$1,677

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 1 July 2026.

Return from

$1,446

One-way from

$893

Popular in

September

Cheapest in

November

Average price

$1,984
United Airlines
  • United Airlines
  • 17/8-31/8
  • 2 total stops
  • 46h 54m total
  • Sydney to Philadelphia
Search Deals
United Airlines
  • United Airlines
  • 23/7
  • 2 total stops
  • 28h 00m total
  • Sydney to Delaware
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($268 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($109 potential savings vs. average return price).
Search Deals
Average for return flights in July 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 1 July 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

Wed 5/8

10:20-17:17

1 stop20h 57m

Philadelphia

Tue 18/8

06:25-06:55

2 stops34h 30m

$1,446

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 13/7

10:20-17:17

1 stop20h 57m

Philadelphia

Mon 27/7

11:38-07:00

2 stops29h 22m

$1,446

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 20/8

10:20-00:59

2 stops28h 39m

Philadelphia

Wed 2/9

15:05-07:00

2 stops25h 55m

$1,446

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 29/7

09:30-18:57

2 stops23h 27m

Philadelphia

Tue 4/8

19:00-06:55

2 stops45h 55m

$1,447

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 20/7

09:30-21:19

2 stops25h 49m

Philadelphia

Wed 29/7

11:38-06:55

2 stops29h 17m

$1,447

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 24/8

09:30-19:25

2 stops23h 55m

Philadelphia

Mon 7/9

13:30-07:00

2 stops27h 30m

$1,447
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 20/8

10:20-20:55

1 stop24h 35m

Philadelphia

Mon 7/9

18:36-06:55

1 stop22h 19m

$1,447

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 17/8

09:30-19:25

2 stops23h 55m

Philadelphia

Sun 6/9

13:30-06:55

2 stops27h 25m

$1,449

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 18/8

10:20-19:15

1 stop22h 55m

Philadelphia

Sun 6/9

13:30-06:55

2 stops27h 25m

$1,449

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 22/8

10:20-19:15

1 stop22h 55m

Philadelphia

Mon 31/8

15:48-07:00

2 stops25h 12m

$1,516

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Showing 1-10 of 14 resultsSorted by cheapest first
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 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 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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.