Flight Destinations in New Castle County

View ฿3,865 flight on Wed, 7 Jan 2026Opens in a new window

Popular airlines to New Castle County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • JetBlue Airways

    JetBlue Airways

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Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at ฿3,865 for one-way flights and ฿6,010 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 7 Jan - Tue, 13 Jan
BOS
Boston
PHL
Philadelphia
฿6,010 Return, found 21 hours ago
฿6,010
Return
found 21 hours ago
Select Delta flight, departing Wed, 7 Jan from Boston to Philadelphia, returning Tue, 13 Jan, priced at ฿6,010 found 21 hours ago
American Airlines
Wed, 7 Jan - Tue, 13 Jan
BOS
Boston
PHL
Philadelphia
฿6,640 Return, found 21 hours ago
฿6,640
Return
found 21 hours ago
Select American Airlines flight, departing Wed, 7 Jan from Boston to Philadelphia, returning Tue, 13 Jan, priced at ฿6,640 found 21 hours ago
American Airlines
Wed, 7 Jan - Tue, 13 Jan
BOS
Boston
PHL
Philadelphia
฿6,950 Return, found 21 hours ago
฿6,950
Return
found 21 hours ago
Select American Airlines flight, departing Wed, 7 Jan from Boston to Philadelphia, returning Tue, 13 Jan, priced at ฿6,950 found 21 hours ago
United
Wed, 7 Jan - Tue, 13 Jan
BOS
Boston
PHL
Philadelphia
฿7,880 Return, found 21 hours ago
฿7,880
Return
found 21 hours ago
Select United flight, departing Wed, 7 Jan from Boston to Philadelphia, returning Tue, 13 Jan, priced at ฿7,880 found 21 hours ago
Delta
Fri, 2 Jan - Sun, 4 Jan
ATL
Atlanta
PHL
Philadelphia
฿11,720 Return, found 22 hours ago
฿11,720
Return
found 22 hours ago
Select Delta flight, departing Fri, 2 Jan from Atlanta to Philadelphia, returning Sun, 4 Jan, priced at ฿11,720 found 22 hours ago
STARLUX Airlines
Fri, 29 May - Sun, 31 May
BKK
Bangkok
PHL
Philadelphia
฿30,927 Return, found 1 hour ago
฿30,927
Return
found 1 hour ago
Select STARLUX Airlines flight, departing Fri, 29 May from Bangkok to Philadelphia, returning Sun, 31 May, priced at ฿30,927 found 1 hour ago
Air Canada
Thu, 8 Oct - Thu, 15 Oct
BKK
Bangkok
PHL
Philadelphia
฿33,300 Return, found 2 days ago
฿33,300
Return
found 2 days ago
Select Air Canada flight, departing Thu, 8 Oct from Bangkok to Philadelphia, returning Thu, 15 Oct, priced at ฿33,300 found 2 days ago
Qatar Airways
Mon, 23 Feb - Mon, 9 Mar
BKK
Bangkok
PHL
Philadelphia
฿37,855 Return, found 1 hour ago
฿37,855
Return
found 1 hour ago
Select Qatar Airways flight, departing Mon, 23 Feb from Bangkok to Philadelphia, returning Mon, 9 Mar, priced at ฿37,855 found 1 hour ago
Korean Air
Tue, 17 Mar - Tue, 8 Sept
BKK
Bangkok
PHL
Philadelphia
฿38,030 Return, just found
฿38,030
Return
just found
Select Korean Air flight, departing Tue, 17 Mar from Bangkok to Philadelphia, returning Tue, 8 Sept, priced at ฿38,030 just found
JetBlue Airways
Mon, 2 Mar - Thu, 19 Mar
BKK
Bangkok
PHL
Philadelphia
฿39,435 Return, found 2 days ago
฿39,435
Return
found 2 days ago
Select JetBlue Airways flight, departing Mon, 2 Mar from Bangkok to Philadelphia, returning Thu, 19 Mar, priced at ฿39,435 found 2 days 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, ฿6,010 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 ฿6,010 and reached a maximum of ฿39,435. For one-way journeys departing from Boston (BOS), the lowest price during this time was just ฿3,865.
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 ฿6,010 and ฿39,435. 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.

STARLUX Airlines
Fri, 29 May - Sun, 31 May
BKK
Bangkok
PHL
Philadelphia
฿30,927 Return, found 1 hour ago
฿30,927
Return
found 1 hour ago
Select STARLUX Airlines flight, departing Fri, 29 May from Bangkok to Philadelphia, returning Sun, 31 May, priced at ฿30,927 found 1 hour ago
*Available to Expedia members.