Cheap flights to New Castle County

View €179 flight on Fri, 20 Mar 2026Opens in a new window

Popular airlines to New Castle County

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Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at €179 for one-way flights and €357 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Tue, 10 Mar - Sun, 15 Mar
DUB
Dublin
PHL
Philadelphia
€357 Return, found 1 day ago
€357
Return
found 1 day ago
Select Iberia flight, departing Tue, 10 Mar from Dublin to Philadelphia, returning Sun, 15 Mar, priced at €357 found 1 day ago
British Airways
Fri, 6 Nov - Mon, 9 Nov
DUB
Dublin
PHL
Philadelphia
€358 Return, found 1 day ago
€358
Return
found 1 day ago
Select British Airways flight, departing Fri, 6 Nov from Dublin to Philadelphia, returning Mon, 9 Nov, priced at €358 found 1 day ago
Aer Lingus
Thu, 12 Mar - Sun, 15 Mar
DUB
Dublin
PHL
Philadelphia
€369 Return, found 12 hours ago
€369
Return
found 12 hours ago
Select Aer Lingus flight, departing Thu, 12 Mar from Dublin to Philadelphia, returning Sun, 15 Mar, priced at €369 found 12 hours ago
American Airlines
Tue, 10 Mar - Sun, 15 Mar
DUB
Dublin
PHL
Philadelphia
€369 Return, found 1 day ago
€369
Return
found 1 day ago
Select American Airlines flight, departing Tue, 10 Mar from Dublin to Philadelphia, returning Sun, 15 Mar, priced at €369 found 1 day ago
United
Thu, 5 Mar - Mon, 9 Mar
EWR
New York
PHL
Philadelphia
€375 Return, found 23 hours ago
€375
Return
found 23 hours ago
Select United flight, departing Thu, 5 Mar from New York to Philadelphia, returning Mon, 9 Mar, priced at €375 found 23 hours ago
KLM
Fri, 22 May - Tue, 26 May
DUB
Dublin
PHL
Philadelphia
€407 Return, found 16 hours ago
€407
Return
found 16 hours ago
Select KLM flight, departing Fri, 22 May from Dublin to Philadelphia, returning Tue, 26 May, priced at €407 found 16 hours ago
Air France
Fri, 22 May - Tue, 26 May
DUB
Dublin
PHL
Philadelphia
€412 Return, found 16 hours ago
€412
Return
found 16 hours ago
Select Air France flight, departing Fri, 22 May from Dublin to Philadelphia, returning Tue, 26 May, priced at €412 found 16 hours ago
JetBlue Airways
Tue, 28 Apr - Sat, 2 May
DUB
Dublin
PHL
Philadelphia
€431 Return, found 21 hours ago
€431
Return
found 21 hours ago
Select JetBlue Airways flight, departing Tue, 28 Apr from Dublin to Philadelphia, returning Sat, 2 May, priced at €431 found 21 hours ago
Finnair
Fri, 27 Mar - Sat, 11 Apr
DUB
Dublin
PHL
Philadelphia
€492 Return, found 22 hours ago
€492
Return
found 22 hours ago
Select Finnair flight, departing Fri, 27 Mar from Dublin to Philadelphia, returning Sat, 11 Apr, priced at €492 found 22 hours ago
Lufthansa
Thu, 26 Nov - Sat, 5 Dec
DUB
Dublin
PHL
Philadelphia
€523 Return, found 1 day ago
€523
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 26 Nov from Dublin to Philadelphia, returning Sat, 5 Dec, priced at €523 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, €357 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 €357 and reached a maximum of €523. For one-way journeys departing from New York (EWR), the lowest price during this time was just €179.
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 €357 and €523. 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.

Iberia
Tue, 10 Mar - Sun, 15 Mar
DUB
Dublin
PHL
Philadelphia
€357 Return, found 1 day ago
€357
Return
found 1 day ago
Select Iberia flight, departing Tue, 10 Mar from Dublin to Philadelphia, returning Sun, 15 Mar, priced at €357 found 1 day ago
*Available to Expedia members.