$850+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ILG
14 May — 21 May1
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 April 2026.

Sun 24/513:15
SYD
-
PHL
3 stops54h 22m
Multiple Airlines
Sun 31/510:40
PHL
-
SYD
3 stops35h 10m
Multiple Airlines
Deal found 9/4$1,590
Mon 25/517:50
SYD
-
PHL
2 stops44h 50m
Multiple Airlines
Mon 1/607:00
PHL
-
SYD
2 stops34h 30m
Multiple Airlines
Deal found 10/4$1,884
Wed 6/509:15
SYD
-
PHL
2 stops27h 35m
Delta
Wed 27/512:07
PHL
-
SYD
2 stops28h 43m
Delta
Deal found 13/4$2,003
Wed 27/509:15
SYD
-
PHL
2 stops24h 12m
Delta
Wed 3/610:32
PHL
-
SYD
2 stops30h 18m
Delta
Deal found 12/4$2,004
Wed 27/517:50
SYD
-
PHL
2 stops44h 50m
Multiple Airlines
Wed 3/619:50
PHL
-
SYD
1 stop45h 40m
Multiple Airlines
Deal found 12/4$2,017
Thu 7/509:15
SYD
-
PHL
2 stops22h 51m
Delta
Thu 14/512:07
PHL
-
SYD
2 stops28h 43m
Delta
Deal found 9/4$2,063
Thu 11/609:15
SYD
-
PHL
2 stops28h 44m
Delta
Sun 21/605:40
PHL
-
SYD
2 stops35h 10m
Delta
Deal found 8/4$2,354
Thu 11/610:20
SYD
-
PHL
1 stop29h 09m
United Airlines
Sun 21/618:23
PHL
-
SYD
1 stop22h 32m
United Airlines
Deal found 8/4$2,439

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 April 2026.

Return from

$1,590

One-way from

$850

Popular in

September

Cheapest in

October

Average price

$1,929
24/5-31/5
  • 24/5-31/5
  • 6 total stops
  • 89h 32m total
  • Sydney to Philadelphia
Search Deals
5/9
  • 5/9
  • 3 total stops
  • 40h 10m total
  • Sydney to Delaware
Search Deals
Highest demand for flights based on searches. 0% potential increase in price.
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($69 potential savings vs. average return price).
Search Deals
Average for return flights in April 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 April 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 27/5

09:15-19:27

2 stops24h 12m

Philadelphia

Wed 3/6

10:32-06:50

2 stops30h 18m

$2,004

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 7/5

09:15-18:06

2 stops22h 51m

Philadelphia

Thu 14/5

12:07-06:50

2 stops28h 43m

$2,063

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 11/6

09:15-23:59

2 stops28h 44m

Philadelphia

Sun 21/6

05:40-06:50

2 stops35h 10m

$2,354

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 11/6

10:20-01:29

1 stop29h 09m

Philadelphia

Sun 21/6

18:23-06:55

1 stop22h 32m

$2,439

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 24/5

10:20-22:29

2 stops26h 09m

Philadelphia

Sun 31/5

18:23-06:55

1 stop22h 32m

$2,522
Fastest return journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:10-18:35

1 stop23h 25m

Philadelphia

Sun 28/6

17:40-07:05

1 stop23h 25m

$2,674

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 18/6

09:10-18:54

2 stops23h 44m

Philadelphia

Sun 28/6

17:35-07:05

2 stops23h 30m

$2,699
Cheapest one-way

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 5/9

08:20-10:30

3 stops40h 10m

$850

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 5/9

08:20-10:30

3 stops40h 10m

$850
Fastest single journey

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 25/5

10:20-01:29

1 stop29h 09m

$1,549

Flights are sorted by cheapest return flights first.

Deals found on 12/4

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 27 hours 35 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).

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, Melbourne offers the quickest one-way flight (21 hours 52 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.

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