Cheap Flights to New Castle County from $29

View $29 flight on Thu, Feb 12, 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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How much is the cheapest flight to New Castle County?

Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Feb 7 - Tue, Feb 10
MCO
Orlando
PHL
Philadelphia
$58 Roundtrip, found 3 hours ago
$58
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Sat, Feb 7 from Orlando to Philadelphia, returning Tue, Feb 10, priced at $58 found 3 hours ago
Frontier Airlines
Sat, Feb 28 - Mon, Mar 2
ATL
Atlanta
PHL
Philadelphia
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Feb 28 from Atlanta to Philadelphia, returning Mon, Mar 2, priced at $58 just found
Frontier Airlines
Fri, Feb 13 - Sun, Feb 15
TPA
Tampa
PHL
Philadelphia
$58 Roundtrip, found 1 hour ago
$58
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Feb 13 from Tampa to Philadelphia, returning Sun, Feb 15, priced at $58 found 1 hour ago
Frontier Airlines
Fri, Feb 13 - Sun, Feb 15
TPA
Tampa
TTN
Trenton
$58 Roundtrip, found 5 hours ago
$58
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Feb 13 from Tampa to Trenton, returning Sun, Feb 15, priced at $58 found 5 hours ago
Spirit Airlines
Wed, Feb 25 - Sat, Mar 7
MCO
Orlando
PHL
Philadelphia
$60 Roundtrip, found 1 hour ago
$60
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, Feb 25 from Orlando to Philadelphia, returning Sat, Mar 7, priced at $60 found 1 hour ago
Frontier Airlines
Fri, Jan 30 - Sat, Jan 31
MCO
Orlando
PHL
Philadelphia
$60 Roundtrip, found 2 hours ago
$60
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Jan 30 from Orlando to Philadelphia, returning Sat, Jan 31, priced at $60 found 2 hours ago
Spirit Airlines
Sat, Feb 7 - Tue, Feb 10
MCO
Orlando
PHL
Philadelphia
$62 Roundtrip, found 3 hours ago
$62
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Sat, Feb 7 from Orlando to Philadelphia, returning Tue, Feb 10, priced at $62 found 3 hours ago
Delta
Fri, Feb 13 - Sun, Feb 15
ATL
Atlanta
PHL
Philadelphia
$139 Roundtrip, just found
$139
Roundtrip
just found
Select Delta flight, departing Fri, Feb 13 from Atlanta to Philadelphia, returning Sun, Feb 15, priced at $139 just found
Southwest Airlines
Tue, Feb 24 - Sat, Feb 28
ATL
Atlanta
PHL
Philadelphia
$151 Roundtrip, found 2 hours ago
$151
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Feb 24 from Atlanta to Philadelphia, returning Sat, Feb 28, priced at $151 found 2 hours ago
JetBlue Airways
Wed, Feb 18 - Thu, Feb 19
ATL
Atlanta
PHL
Philadelphia
$186 Roundtrip, found 6 hours ago
$186
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Wed, Feb 18 from Atlanta to Philadelphia, returning Thu, Feb 19, priced at $186 found 6 hours ago

Airports in New Castle County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest option available. Flights from $233
PHL
Philadelphia Intl.
Cheapest
Flights from $233

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

New Castle County Flights Information

Airlines serving
Frontier Airlines, Spirit Airlines, Southwest Airlines, American Airlines, JetBlue Airways, Delta
Roundtrip price
from $58

Trending flights to New Castle County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Feb 7 - Tue, Feb 10
MCO
Orlando
PHL
Philadelphia
$58 Roundtrip, found 3 hours ago
$58
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Sat, Feb 7 from Orlando to Philadelphia, returning Tue, Feb 10, priced at $58 found 3 hours ago
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