Cheap Flights to New Castle County | Popular Routes to New Castle County from HK$4,309

View HK$4,309 flight on Tue, 15 Dec 2026Opens in a new window

Popular airlines to New Castle County

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Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at HK$4,309 for one-way flights and HK$7,055 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 15 Dec - Wed, 30 Dec
LHR
London
PHL
Philadelphia
HK$7,055 Return, found 1 day ago
HK$7,055
Return
found 1 day ago
Select British Airways flight, departing Tue, 15 Dec from London to Philadelphia, returning Wed, 30 Dec, priced at HK$7,055 found 1 day ago
Finnair
Thu, 9 Jul - Tue, 14 Jul
LHR
London
PHL
Philadelphia
HK$7,288 Return, found 13 hours ago
HK$7,288
Return
found 13 hours ago
Select Finnair flight, departing Thu, 9 Jul from London to Philadelphia, returning Tue, 14 Jul, priced at HK$7,288 found 13 hours ago
United
Thu, 9 Jul - Tue, 14 Jul
LHR
London
PHL
Philadelphia
HK$7,328 Return, found 13 hours ago
HK$7,328
Return
found 13 hours ago
Select United flight, departing Thu, 9 Jul from London to Philadelphia, returning Tue, 14 Jul, priced at HK$7,328 found 13 hours ago
Finnair
Thu, 9 Jul - Tue, 14 Jul
LHR
London
PHL
Philadelphia
HK$7,386 Return, found 13 hours ago
HK$7,386
Return
found 13 hours ago
Select Finnair flight, departing Thu, 9 Jul from London to Philadelphia, returning Tue, 14 Jul, priced at HK$7,386 found 13 hours ago
British Airways
Tue, 15 Dec - Wed, 30 Dec
LHR
London
PHL
Philadelphia
HK$7,411 Return, found 1 day ago
HK$7,411
Return
found 1 day ago
Select British Airways flight, departing Tue, 15 Dec from London to Philadelphia, returning Wed, 30 Dec, priced at HK$7,411 found 1 day ago
American Airlines
Thu, 9 Jul - Tue, 14 Jul
LHR
London
PHL
Philadelphia
HK$7,440 Return, found 13 hours ago
HK$7,440
Return
found 13 hours ago
Select American Airlines flight, departing Thu, 9 Jul from London to Philadelphia, returning Tue, 14 Jul, priced at HK$7,440 found 13 hours ago
Air Canada
Thu, 9 Jul - Tue, 14 Jul
LHR
London
PHL
Philadelphia
HK$7,441 Return, found 13 hours ago
HK$7,441
Return
found 13 hours ago
Select Air Canada flight, departing Thu, 9 Jul from London to Philadelphia, returning Tue, 14 Jul, priced at HK$7,441 found 13 hours ago
Delta
Tue, 15 Dec - Wed, 30 Dec
LHR
London
PHL
Philadelphia
HK$7,529 Return, found 1 day ago
HK$7,529
Return
found 1 day ago
Select Delta flight, departing Tue, 15 Dec from London to Philadelphia, returning Wed, 30 Dec, priced at HK$7,529 found 1 day ago
Lufthansa
Thu, 9 Jul - Tue, 14 Jul
LHR
London
PHL
Philadelphia
HK$7,556 Return, found 13 hours ago
HK$7,556
Return
found 13 hours ago
Select Lufthansa flight, departing Thu, 9 Jul from London to Philadelphia, returning Tue, 14 Jul, priced at HK$7,556 found 13 hours ago
Virgin Atlantic
Thu, 9 Jul - Tue, 14 Jul
LHR
London
PHL
Philadelphia
HK$7,611 Return, found 13 hours ago
HK$7,611
Return
found 13 hours ago
Select Virgin Atlantic flight, departing Thu, 9 Jul from London to Philadelphia, returning Tue, 14 Jul, priced at HK$7,611 found 13 hours 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, HK$7,055 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 HK$7,055 and reached a maximum of HK$7,611. For one-way journeys departing from London (LHR), the lowest price during this time was just HK$4,309.
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 HK$7,055 and HK$7,611. 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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About New Castle County

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About New Castle County
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