A cityscape with a river, industrial buildings, and a mix of modern and older architecture.

Flight Destinations in New Castle County

View ฿21,020 flight on Fri, 13 Nov 2026Opens in a new window

Popular airlines to New Castle County

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • JetBlue Airways

  • Southwest Airlines

  • Alaska Airlines

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Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at ฿21,020 for one-way flights and ฿32,480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, 24 Sept - Sat, 10 Oct
BKK
Bangkok
PHL
Philadelphia
฿32,480 Return, found 4 days ago
฿32,480
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 24 Sept from Bangkok to Philadelphia, returning Sat, 10 Oct, priced at ฿32,480 found 4 days ago
Lufthansa
Mon, 3 Aug - Mon, 14 Sept
LHR
London
PHL
Philadelphia
฿35,150 Return, found 16 hours ago
฿35,150
Return
found 16 hours ago
Select Lufthansa flight, departing Mon, 3 Aug from London to Philadelphia, returning Mon, 14 Sept, priced at ฿35,150 found 16 hours ago
United
Mon, 3 Aug - Mon, 14 Sept
LHR
London
PHL
Philadelphia
฿35,150 Return, found 16 hours ago
฿35,150
Return
found 16 hours ago
Select United flight, departing Mon, 3 Aug from London to Philadelphia, returning Mon, 14 Sept, priced at ฿35,150 found 16 hours ago
Delta
Mon, 3 Aug - Mon, 14 Sept
LHR
London
PHL
Philadelphia
฿35,775 Return, found 16 hours ago
฿35,775
Return
found 16 hours ago
Select Delta flight, departing Mon, 3 Aug from London to Philadelphia, returning Mon, 14 Sept, priced at ฿35,775 found 16 hours ago
Air Canada
Wed, 5 May - Mon, 10 May
BKK
Bangkok
PHL
Philadelphia
฿35,795 Return, found 5 days ago
฿35,795
Return
found 5 days ago
Select Air Canada flight, departing Wed, 5 May from Bangkok to Philadelphia, returning Mon, 10 May, priced at ฿35,795 found 5 days ago
American Airlines
Mon, 3 Aug - Mon, 14 Sept
LHR
London
PHL
Philadelphia
฿36,190 Return, found 16 hours ago
฿36,190
Return
found 16 hours ago
Select American Airlines flight, departing Mon, 3 Aug from London to Philadelphia, returning Mon, 14 Sept, priced at ฿36,190 found 16 hours ago
Finnair
Mon, 3 Aug - Mon, 14 Sept
LHR
London
PHL
Philadelphia
฿36,220 Return, found 16 hours ago
฿36,220
Return
found 16 hours ago
Select Finnair flight, departing Mon, 3 Aug from London to Philadelphia, returning Mon, 14 Sept, priced at ฿36,220 found 16 hours ago
Lufthansa
Mon, 3 Aug - Mon, 14 Sept
LHR
London
PHL
Philadelphia
฿36,605 Return, found 16 hours ago
฿36,605
Return
found 16 hours ago
Select Lufthansa flight, departing Mon, 3 Aug from London to Philadelphia, returning Mon, 14 Sept, priced at ฿36,605 found 16 hours ago
Iberia
Mon, 3 Aug - Mon, 14 Sept
LHR
London
PHL
Philadelphia
฿37,345 Return, found 16 hours ago
฿37,345
Return
found 16 hours ago
Select Iberia flight, departing Mon, 3 Aug from London to Philadelphia, returning Mon, 14 Sept, priced at ฿37,345 found 16 hours ago
British Airways
Mon, 3 Aug - Mon, 14 Sept
LHR
London
PHL
Philadelphia
฿37,345 Return, found 16 hours ago
฿37,345
Return
found 16 hours ago
Select British Airways flight, departing Mon, 3 Aug from London to Philadelphia, returning Mon, 14 Sept, priced at ฿37,345 found 16 hours ago

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.

Qatar Airways
Thu, 24 Sept - Sat, 10 Oct
BKK
Bangkok
PHL
Philadelphia
฿32,480 Return, found 4 days ago
฿32,480
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 24 Sept from Bangkok to Philadelphia, returning Sat, 10 Oct, priced at ฿32,480 found 4 days 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, ฿32,480 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 ฿32,480 and reached a maximum of ฿37,345. For one-way journeys departing from London (LHR), the lowest price during this time was just ฿21,020.
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.
How much is a plane ticket to New Castle County?
In the last seven days, airfares to New Castle County fluctuated between ฿32,480 and ฿37,345. 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.

Book with confidence

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.
About New Castle County
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