Cheap flights to New Castle County

View €253 flight on Thu, 14 May 2026Opens in a new window

Popular airlines to New Castle County

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • JetBlue Airways

  • Southwest Airlines

  • Spirit Airlines

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Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at €253 for one-way flights and €453 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, 30 Apr - Sun, 3 May
DUB
Dublin
PHL
Philadelphia
€453 Return, found 18 hours ago
€453
Return
found 18 hours ago
Select British Airways flight, departing Thu, 30 Apr from Dublin to Philadelphia, returning Sun, 3 May, priced at €453 found 18 hours ago
Finnair
Thu, 9 Apr - Thu, 16 Apr
DUB
Dublin
PHL
Philadelphia
€454 Return, just found
€454
Return
just found
Select Finnair flight, departing Thu, 9 Apr from Dublin to Philadelphia, returning Thu, 16 Apr, priced at €454 just found
JetBlue Airways
Thu, 7 May - Sun, 10 May
DUB
Dublin
PHL
Philadelphia
€457 Return, found 13 hours ago
€457
Return
found 13 hours ago
Select JetBlue Airways flight, departing Thu, 7 May from Dublin to Philadelphia, returning Sun, 10 May, priced at €457 found 13 hours ago
JetBlue Airways
Mon, 1 Jun - Wed, 3 Jun
DUB
Dublin
PHL
Philadelphia
€457 Return, found 4 days ago
€457
Return
found 4 days ago
Select JetBlue Airways flight, departing Mon, 1 Jun from Dublin to Philadelphia, returning Wed, 3 Jun, priced at €457 found 4 days ago
Aer Lingus
Wed, 22 Apr - Wed, 22 Apr
DUB
Dublin
PHL
Philadelphia
€466 Return, just found
€466
Return
just found
Select Aer Lingus flight, departing Wed, 22 Apr from Dublin to Philadelphia, returning Wed, 22 Apr, priced at €466 just found
Iberia
Thu, 14 May - Mon, 18 May
DUB
Dublin
PHL
Philadelphia
€466 Return, found 11 hours ago
€466
Return
found 11 hours ago
Select Iberia flight, departing Thu, 14 May from Dublin to Philadelphia, returning Mon, 18 May, priced at €466 found 11 hours ago
American Airlines
Thu, 14 May - Mon, 18 May
DUB
Dublin
PHL
Philadelphia
€466 Return, found 11 hours ago
€466
Return
found 11 hours ago
Select American Airlines flight, departing Thu, 14 May from Dublin to Philadelphia, returning Mon, 18 May, priced at €466 found 11 hours ago
Air France
Fri, 22 May - Tue, 26 May
DUB
Dublin
PHL
Philadelphia
€479 Return, found 1 hour ago
€479
Return
found 1 hour ago
Select Air France flight, departing Fri, 22 May from Dublin to Philadelphia, returning Tue, 26 May, priced at €479 found 1 hour ago
KLM
Fri, 22 May - Tue, 26 May
DUB
Dublin
PHL
Philadelphia
€484 Return, found 1 hour ago
€484
Return
found 1 hour ago
Select KLM flight, departing Fri, 22 May from Dublin to Philadelphia, returning Tue, 26 May, priced at €484 found 1 hour ago
British Airways
Thu, 9 Apr - Mon, 13 Apr
ORK
Cork
PHL
Philadelphia
€587 Return, found 5 days ago
€587
Return
found 5 days ago
Select British Airways flight, departing Thu, 9 Apr from Cork to Philadelphia, returning Mon, 13 Apr, priced at €587 found 5 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.

British Airways
Thu, 30 Apr - Sun, 3 May
DUB
Dublin
PHL
Philadelphia
€453 Return, found 18 hours ago
€453
Return
found 18 hours ago
Select British Airways flight, departing Thu, 30 Apr from Dublin to Philadelphia, returning Sun, 3 May, priced at €453 found 18 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, €453 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 €453 and reached a maximum of €587. For one-way journeys departing from Dublin (DUB), the lowest price during this time was just €253.
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 €453 and €587. 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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