£325 Cheap Flights to New Castle County

View £325 flight on Wed, 22 Apr 2026Opens in a new window

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Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at £325 for one-way flights and £464 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, 6 Nov - Fri, 20 Nov
MAN
Manchester
PHL
Philadelphia
£488 Return, found 18 hours ago
£488
Return
found 18 hours ago
Select Aer Lingus flight, departing Fri, 6 Nov from Manchester to Philadelphia, returning Fri, 20 Nov, priced at £488 found 18 hours ago
Aer Lingus
Mon, 30 Mar - Mon, 13 Apr
MAN
Manchester
PHL
Philadelphia
£497 Return, found 1 day ago
£497
Return
found 1 day ago
Select Aer Lingus flight, departing Mon, 30 Mar from Manchester to Philadelphia, returning Mon, 13 Apr, priced at £497 found 1 day ago
Aer Lingus
Mon, 9 Mar - Mon, 6 Apr
MAN
Manchester
PHL
Philadelphia
£499 Return, found 2 days ago
£499
Return
found 2 days ago
Select Aer Lingus flight, departing Mon, 9 Mar from Manchester to Philadelphia, returning Mon, 6 Apr, priced at £499 found 2 days ago
American Airlines
Mon, 13 Apr - Thu, 30 Apr
MAN
Manchester
PHL
Philadelphia
£618 Return, found 1 day ago
£618
Return
found 1 day ago
Select American Airlines flight, departing Mon, 13 Apr from Manchester to Philadelphia, returning Thu, 30 Apr, priced at £618 found 1 day ago
British Airways
Mon, 20 Apr - Mon, 27 Apr
MAN
Manchester
PHL
Philadelphia
£621 Return, found 12 hours ago
£621
Return
found 12 hours ago
Select British Airways flight, departing Mon, 20 Apr from Manchester to Philadelphia, returning Mon, 27 Apr, priced at £621 found 12 hours ago
Scandinavian Airlines
Wed, 23 Sept - Wed, 30 Sept
MAN
Manchester
PHL
Philadelphia
£641 Return, found 7 hours ago
£641
Return
found 7 hours ago
Select Scandinavian Airlines flight, departing Wed, 23 Sept from Manchester to Philadelphia, returning Wed, 30 Sept, priced at £641 found 7 hours ago
Swiss International Air Lines
Tue, 14 Apr - Wed, 22 Apr
MAN
Manchester
PHL
Philadelphia
£645 Return, found 5 hours ago
£645
Return
found 5 hours ago
Select Swiss International Air Lines flight, departing Tue, 14 Apr from Manchester to Philadelphia, returning Wed, 22 Apr, priced at £645 found 5 hours ago
Lufthansa
Wed, 29 Apr - Wed, 6 May
MAN
Manchester
PHL
Philadelphia
£650 Return, found 11 hours ago
£650
Return
found 11 hours ago
Select Lufthansa flight, departing Wed, 29 Apr from Manchester to Philadelphia, returning Wed, 6 May, priced at £650 found 11 hours ago
Air Canada
Mon, 23 Nov - Mon, 30 Nov
MAN
Manchester
PHL
Philadelphia
£654 Return, found 21 hours ago
£654
Return
found 21 hours ago
Select Air Canada flight, departing Mon, 23 Nov from Manchester to Philadelphia, returning Mon, 30 Nov, priced at £654 found 21 hours ago
TAP Portugal
Wed, 22 Apr - Mon, 27 Apr
MAN
Manchester
PHL
Philadelphia
£655 Return, found 21 hours ago
£655
Return
found 21 hours ago
Select TAP Portugal flight, departing Wed, 22 Apr from Manchester to Philadelphia, returning Mon, 27 Apr, priced at £655 found 21 hours ago

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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.

JetBlue Airways
Tue, 10 Mar - Wed, 18 Mar
LHR
London
PHL
Philadelphia
£464 Return, found 1 day ago
£464
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 10 Mar from London to Philadelphia, returning Wed, 18 Mar, priced at £464 found 1 day ago

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, £464 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 £464 and reached a maximum of £655. For one-way journeys departing from Manchester (MAN), the lowest price during this time was just £325.
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 £464 and £655. 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.

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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 2026, 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 2026, 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 £325 or round-trip from £464, 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 Manchester (MAN) to Philadelphia (PHL) usually have the lowest price from £325.

Why book your flights to New Castle County with Expedia

Expedia offers great deals on New Castle County air fares from £325 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.

Top tips for booking flights to New Castle County from UK

Travel information

New Castle County Flights Information

Airlines serving
British Airways, American Airlines, Aer Lingus, Virgin Atlantic, Air France, KLM, Iberia, Scandinavian Airlines, Swiss International Air Lines, Lufthansa, Air Canada, TAP Portugal
Roundtrip price
from £464
New Castle County Flights Information

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