Cheap Flights to New Castle County | Popular Routes to New Castle County from HK$4,031

View HK$4,031 flight on Sat, 20 Jun 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 HK$4,031 for one-way flights and HK$7,334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Tue, 28 Apr - Tue, 26 May
HKG
Hong Kong SAR
PHL
Philadelphia
HK$7,334 Return, found 5 days ago
HK$7,334
Return
found 5 days ago
Select EVA Airways flight, departing Tue, 28 Apr from Hong Kong SAR to Philadelphia, returning Tue, 26 May, priced at HK$7,334 found 5 days ago
Asiana Airlines
Thu, 17 Sept - Fri, 16 Oct
HKG
Hong Kong SAR
PHL
Philadelphia
HK$7,348 Return, found 2 days ago
HK$7,348
Return
found 2 days ago
Select Asiana Airlines flight, departing Thu, 17 Sept from Hong Kong SAR to Philadelphia, returning Fri, 16 Oct, priced at HK$7,348 found 2 days ago
EVA Airways
Thu, 17 Sept - Fri, 16 Oct
HKG
Hong Kong SAR
PHL
Philadelphia
HK$7,485 Return, found 2 days ago
HK$7,485
Return
found 2 days ago
Select EVA Airways flight, departing Thu, 17 Sept from Hong Kong SAR to Philadelphia, returning Fri, 16 Oct, priced at HK$7,485 found 2 days ago
Asiana Airlines
Thu, 17 Sept - Fri, 16 Oct
HKG
Hong Kong SAR
PHL
Philadelphia
HK$7,510 Return, found 2 days ago
HK$7,510
Return
found 2 days ago
Select Asiana Airlines flight, departing Thu, 17 Sept from Hong Kong SAR to Philadelphia, returning Fri, 16 Oct, priced at HK$7,510 found 2 days ago
Air Canada
Thu, 17 Sept - Fri, 16 Oct
HKG
Hong Kong SAR
PHL
Philadelphia
HK$7,908 Return, found 2 days ago
HK$7,908
Return
found 2 days ago
Select Air Canada flight, departing Thu, 17 Sept from Hong Kong SAR to Philadelphia, returning Fri, 16 Oct, priced at HK$7,908 found 2 days ago
STARLUX Airlines
Wed, 29 Apr - Tue, 26 May
HKG
Hong Kong SAR
PHL
Philadelphia
HK$8,114 Return, found 5 days ago
HK$8,114
Return
found 5 days ago
Select STARLUX Airlines flight, departing Wed, 29 Apr from Hong Kong SAR to Philadelphia, returning Tue, 26 May, priced at HK$8,114 found 5 days ago
Cathay Pacific
Mon, 13 Apr - Tue, 28 Apr
HKG
Hong Kong SAR
PHL
Philadelphia
HK$8,480 Return, just found
HK$8,480
Return
just found
Select Cathay Pacific flight, departing Mon, 13 Apr from Hong Kong SAR to Philadelphia, returning Tue, 28 Apr, priced at HK$8,480 just found
United
Mon, 13 Apr - Tue, 28 Apr
HKG
Hong Kong SAR
PHL
Philadelphia
HK$8,536 Return, just found
HK$8,536
Return
just found
Select United flight, departing Mon, 13 Apr from Hong Kong SAR to Philadelphia, returning Tue, 28 Apr, priced at HK$8,536 just found
Etihad Airways
Tue, 10 Mar - Tue, 7 Apr
KHI
Karachi
PHL
Philadelphia
HK$8,596 Return, found 1 day ago
HK$8,596
Return
found 1 day ago
Select Etihad Airways flight, departing Tue, 10 Mar from Karachi to Philadelphia, returning Tue, 7 Apr, priced at HK$8,596 found 1 day ago
American Airlines
Tue, 10 Mar - Tue, 7 Apr
KHI
Karachi
PHL
Philadelphia
HK$9,174 Return, found 1 day ago
HK$9,174
Return
found 1 day ago
Select American Airlines flight, departing Tue, 10 Mar from Karachi to Philadelphia, returning Tue, 7 Apr, priced at HK$9,174 found 1 day ago

About New Castle County

Expedia offers flights to New Castle County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to New Castle County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

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$7,334 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$7,334 and reached a maximum of HK$9,174. For one-way journeys departing from Hong Kong SAR (HKG), the lowest price during this time was just HK$4,031.
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$7,334 and HK$9,174. 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.

EVA Airways
Tue, 28 Apr - Tue, 26 May
HKG
Hong Kong SAR
PHL
Philadelphia
HK$7,334 Return, found 5 days ago
HK$7,334
Return
found 5 days ago
Select EVA Airways flight, departing Tue, 28 Apr from Hong Kong SAR to Philadelphia, returning Tue, 26 May, priced at HK$7,334 found 5 days ago
*Available to Expedia members.