Flight Destinations in New Castle County

View ฿3,550 flight on Fri, 12 Jun 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 ฿3,550 for one-way flights and ฿6,050 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 4 Jun - Mon, 8 Jun
BOS
Boston
PHL
Philadelphia
฿6,050 Return, found 2 hours ago
฿6,050
Return
found 2 hours ago
Select Delta flight, departing Thu, 4 Jun from Boston to Philadelphia, returning Mon, 8 Jun, priced at ฿6,050 found 2 hours ago
Delta
Thu, 4 Jun - Mon, 8 Jun
BOS
Boston
PHL
Philadelphia
฿7,255 Return, found 2 hours ago
฿7,255
Return
found 2 hours ago
Select Delta flight, departing Thu, 4 Jun from Boston to Philadelphia, returning Mon, 8 Jun, priced at ฿7,255 found 2 hours ago
Delta
Fri, 12 Jun - Sun, 14 Jun
BOS
Boston
PHL
Philadelphia
฿7,875 Return, found 5 hours ago
฿7,875
Return
found 5 hours ago
Select Delta flight, departing Fri, 12 Jun from Boston to Philadelphia, returning Sun, 14 Jun, priced at ฿7,875 found 5 hours ago
United
Fri, 12 Jun - Sun, 14 Jun
BOS
Boston
PHL
Philadelphia
฿8,075 Return, found 5 hours ago
฿8,075
Return
found 5 hours ago
Select United flight, departing Fri, 12 Jun from Boston to Philadelphia, returning Sun, 14 Jun, priced at ฿8,075 found 5 hours ago
United
Thu, 4 Jun - Mon, 8 Jun
BOS
Boston
PHL
Philadelphia
฿8,235 Return, found 2 hours ago
฿8,235
Return
found 2 hours ago
Select United flight, departing Thu, 4 Jun from Boston to Philadelphia, returning Mon, 8 Jun, priced at ฿8,235 found 2 hours ago
American Airlines
Fri, 12 Jun - Sun, 14 Jun
BOS
Boston
PHL
Philadelphia
฿8,240 Return, found 5 hours ago
฿8,240
Return
found 5 hours ago
Select American Airlines flight, departing Fri, 12 Jun from Boston to Philadelphia, returning Sun, 14 Jun, priced at ฿8,240 found 5 hours ago
American Airlines
Wed, 29 Jul - Tue, 4 Aug
BOS
Boston
PHL
Philadelphia
฿8,330 Return, found 13 hours ago
฿8,330
Return
found 13 hours ago
Select American Airlines flight, departing Wed, 29 Jul from Boston to Philadelphia, returning Tue, 4 Aug, priced at ฿8,330 found 13 hours ago
Delta
Thu, 4 Jun - Mon, 8 Jun
BOS
Boston
PHL
Philadelphia
฿8,460 Return, found 2 hours ago
฿8,460
Return
found 2 hours ago
Select Delta flight, departing Thu, 4 Jun from Boston to Philadelphia, returning Mon, 8 Jun, priced at ฿8,460 found 2 hours ago
Qatar Airways
Tue, 6 Oct - Tue, 20 Oct
BKK
Bangkok
PHL
Philadelphia
฿33,000 Return, found 5 days ago
฿33,000
Return
found 5 days ago
Select Qatar Airways flight, departing Tue, 6 Oct from Bangkok to Philadelphia, returning Tue, 20 Oct, priced at ฿33,000 found 5 days ago
STARLUX Airlines
Tue, 3 Nov - Tue, 10 Nov
BKK
Bangkok
PHL
Philadelphia
฿36,797 Return, found 4 days ago
฿36,797
Return
found 4 days ago
Select STARLUX Airlines flight, departing Tue, 3 Nov from Bangkok to Philadelphia, returning Tue, 10 Nov, priced at ฿36,797 found 4 days 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
Tue, 6 Oct - Tue, 20 Oct
BKK
Bangkok
PHL
Philadelphia
฿33,000 Return, found 5 days ago
฿33,000
Return
found 5 days ago
Select Qatar Airways flight, departing Tue, 6 Oct from Bangkok to Philadelphia, returning Tue, 20 Oct, priced at ฿33,000 found 5 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, ฿6,050 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 ฿6,050 and reached a maximum of ฿36,797. For one-way journeys departing from Boston (BOS), the lowest price during this time was just ฿3,550.
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 ฿6,050 and ฿36,797. 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

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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