£307 Cheap Flights to New Castle County

Popular airlines to New Castle County

  • Spirit Airlines

    Spirit Airlines

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    American Airlines

  • Delta

    Delta

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

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    JetBlue Airways

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Top Cities to Visit in New Castle County

Wilmington which includes heritage elements
FlightsFlights

Wilmington

Wilmington

Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at £307 for one-way flights and £314 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 26 Sep - Sat, 4 Oct
DUB
Dublin
PHL
Philadelphia
£314 Return, found 19 hours ago
£314
Return
found 19 hours ago
Select American Airlines flight, departing Fri, 26 Sep from Dublin to Philadelphia, returning Sat, 4 Oct, priced at £314 found 19 hours ago
British Airways
Wed, 17 Sep - Tue, 23 Sep
DUB
Dublin
PHL
Philadelphia
£316 Return, found 16 hours ago
£316
Return
found 16 hours ago
Select British Airways flight, departing Wed, 17 Sep from Dublin to Philadelphia, returning Tue, 23 Sep, priced at £316 found 16 hours ago
Aer Lingus
Fri, 5 Sep - Sun, 14 Sep
DUB
Dublin
PHL
Philadelphia
£320 Return, just found
£320
Return
just found
Select Aer Lingus flight, departing Fri, 5 Sep from Dublin to Philadelphia, returning Sun, 14 Sep, priced at £320 just found
Iberia
Wed, 17 Sep - Tue, 23 Sep
DUB
Dublin
PHL
Philadelphia
£330 Return, found 16 hours ago
£330
Return
found 16 hours ago
Select Iberia flight, departing Wed, 17 Sep from Dublin to Philadelphia, returning Tue, 23 Sep, priced at £330 found 16 hours ago
Air France
Thu, 4 Sep - Thu, 9 Oct
DUB
Dublin
PHL
Philadelphia
£342 Return, found 3 days ago
£342
Return
found 3 days ago
Select Air France flight, departing Thu, 4 Sep from Dublin to Philadelphia, returning Thu, 9 Oct, priced at £342 found 3 days ago
KLM
Tue, 16 Sep - Mon, 29 Sep
DUB
Dublin
PHL
Philadelphia
£349 Return, found 2 hours ago
£349
Return
found 2 hours ago
Select KLM flight, departing Tue, 16 Sep from Dublin to Philadelphia, returning Mon, 29 Sep, priced at £349 found 2 hours ago
Finnair
Wed, 26 Nov - Tue, 2 Dec
DUB
Dublin
PHL
Philadelphia
£374 Return, found 1 day ago
£374
Return
found 1 day ago
Select Finnair flight, departing Wed, 26 Nov from Dublin to Philadelphia, returning Tue, 2 Dec, priced at £374 found 1 day ago
Aer Lingus
Wed, 3 Sep - Thu, 23 Oct
LHR
London
PHL
Philadelphia
£408 Return, found 18 hours ago
£408
Return
found 18 hours ago
Select Aer Lingus flight, departing Wed, 3 Sep from London to Philadelphia, returning Thu, 23 Oct, priced at £408 found 18 hours ago
JetBlue Airways
Tue, 16 Sep - Tue, 30 Sep
LGW
London
PHL
Philadelphia
£413 Return, just found
£413
Return
just found
Select JetBlue Airways flight, departing Tue, 16 Sep from London to Philadelphia, returning Tue, 30 Sep, priced at £413 just found
United
Sat, 6 Sep - Sat, 6 Sep
DUB
Dublin
PHL
Philadelphia
£416 Return, found 1 day ago
£416
Return
found 1 day ago
Select United flight, departing Sat, 6 Sep from Dublin to Philadelphia, returning Sat, 6 Sep, priced at £416 found 1 day ago

Top tips for booking flights to New Castle County from UK

Get ready to fly to New Castle County

Prepare your luggage and book your flights to New Castle County with Expedia. We offer a seamless flight booking experience, with a wide range of New Castle County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to New Castle County in 2025, we are always available to assist you. Book your flights to New Castle County today and let the adventure begin!

Find the best tickets to New Castle County

To find some of the best tickets to New Castle County in 2025, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to New Castle County or last-minute flights to New Castle County, you can filter and sort your search results, making it easy to find the ideal flight to New Castle County.

Airlines fly to New Castle County

There are 20 different airlines that fly to New Castle County including some of the most trusted names in the business. To book flights to New Castle County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best New Castle County plane tickets.

Find the cheapest flights to New Castle County

By booking early you may find some of the best deals for New Castle County flights from the UK, including New Castle County direct flights. You can usually find affordable and cheap flights to New Castle County, whether one-way from £307 or round-trip from £314, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to New Castle County

Try searching for different New Castle County airports with Expedia to find some of the cheapest flights to New Castle County. Flights from Dublin (DUB) to Philadelphia (PHL) usually have the lowest price from £307.

Why book your flights to New Castle County with Expedia

Expedia offers great deals on New Castle County air fares from £307 to cater to every budget. Not only is Expedia one of the top platforms to book flights to New Castle County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

New Castle County Flights Information

Airlines serving
JetBlue Airways, American Airlines, British Airways, Aer Lingus, Iberia, Air France, KLM, Finnair, United, TAP Portugal, Icelandair
Roundtrip price
from £314

Frequently asked questions

How do I find cheap flights to New Castle County that have flexible change policies?
By using our handy "No change fee" filter, that's how. Simply type in your dates and other details, click the "Search" button, then mark the checkbox under the "Flexible change policies" heading (to the left). Expedia makes it easy to find cheap, flexible airfares to New Castle County.
Which airlines fly to New Castle County?
Let Avelo Airlines get you there. This popular carrier provides 34 services a month to Wilmington, DE (ILG-New Castle), a New Castle County gateway.
How can I find cheap tickets to New Castle County?
To get your hands on a great deal to New Castle County, book well in advance. Also use Expedia's "flexible dates" link above your search results. This will display the cheapest prices for similar time frames. In the last seven days, £314 was the best price for a flight to New Castle County.
How much is a flight to New Castle County?
In the last seven days, round-trip flights to New Castle County sold from just £314 and reached a maximum of £521. For one-way journeys departing from Dublin (DUB), the lowest price during this time was just £307.
What are the most popular airports to fly into in New Castle County?
Fly into Wilmington, DE (ILG-New Castle) and sample the best that New Castle County has to offer. As the region's main entry point, about 34 flights touch down here each month.
When is the cheapest time to fly to New Castle County?
Take off for New Castle County early in the week and you'll usually be rewarded with more affordable fares. Tuesday is typically the cheapest day to fly out, with Monday a close second. If you're hoping to avoid the costliest flights, keep clear of Saturdays.
How much is a plane ticket to New Castle County?
In the last seven days, airfares to New Castle County fluctuated between £314 and £521. Prices tend to go up over time, so secure a good deal today.
What is the best time to go to New Castle County?
If you'd like to see New Castle County's leading city when it's really buzzing, set out for Wilmington sometime in May, June and August. Like most locations in the Northern Hemisphere, summertime here begins June 20, with temperatures ranging between 18ºC and 27ºC.
What months are the cheapest to book a flight to New Castle County?
To snap up a great deal to New Castle County, try to book during the month of February when prices are at their cheapest. When do tickets cost the most? In the United States, it's December.

Trending flights to New Castle County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, 3 Sep - Thu, 23 Oct
LHR
London
PHL
Philadelphia
£408 Return, found 18 hours ago
£408
Return
found 18 hours ago
Select Aer Lingus flight, departing Wed, 3 Sep from London to Philadelphia, returning Thu, 23 Oct, priced at £408 found 18 hours ago
*Available to Expedia members.