Cheap flights from New Castle

View AU$122 flight on Thu, 4 Sep. 2025Opens in a new window

Popular airlines from New Castle

  • American Airlines

    American Airlines

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from New Castle

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.

Delta
Sat., 16 Aug. - Tue., 26 Aug.
PHL
Philadelphia
ATL
Atlanta
AU$214 Return, found 2 days ago
AU$214
Return
found 2 days ago
Select Delta flight, departing Sat., 16 Aug. from Philadelphia to Atlanta, returning Tue., 26 Aug., priced at AU$214 found 2 days ago
Delta
Thu., 4 Sep. - Wed., 10 Sep.
PHL
Philadelphia
ATL
Atlanta
AU$228 Return, found 1 day ago
AU$228
Return
found 1 day ago
Select Delta flight, departing Thu., 4 Sep. from Philadelphia to Atlanta, returning Wed., 10 Sep., priced at AU$228 found 1 day ago
Delta
Tue., 22 Jul. - Tue., 12 Aug.
PHL
Philadelphia
ATL
Atlanta
AU$229 Return, found 2 days ago
AU$229
Return
found 2 days ago
Select Delta flight, departing Tue., 22 Jul. from Philadelphia to Atlanta, returning Tue., 12 Aug., priced at AU$229 found 2 days ago
American Airlines
Thu., 4 Sep. - Wed., 10 Sep.
PHL
Philadelphia
ATL
Atlanta
AU$245 Return, found 1 day ago
AU$245
Return
found 1 day ago
Select American Airlines flight, departing Thu., 4 Sep. from Philadelphia to Atlanta, returning Wed., 10 Sep., priced at AU$245 found 1 day ago
Delta
Tue., 22 Jul. - Fri., 8 Aug.
PHL
Philadelphia
ATL
Atlanta
AU$260 Return, found 2 days ago
AU$260
Return
found 2 days ago
Select Delta flight, departing Tue., 22 Jul. from Philadelphia to Atlanta, returning Fri., 8 Aug., priced at AU$260 found 2 days ago
American Airlines
Tue., 19 Aug. - Tue., 26 Aug.
PHL
Philadelphia
MIA
Miami
AU$272 Return, found 3 days ago
AU$272
Return
found 3 days ago
Select American Airlines flight, departing Tue., 19 Aug. from Philadelphia to Miami, returning Tue., 26 Aug., priced at AU$272 found 3 days ago
Delta
Sat., 16 Aug. - Sun., 31 Aug.
PHL
Philadelphia
ATL
Atlanta
AU$274 Return, found 2 days ago
AU$274
Return
found 2 days ago
Select Delta flight, departing Sat., 16 Aug. from Philadelphia to Atlanta, returning Sun., 31 Aug., priced at AU$274 found 2 days ago
United
Tue., 19 Aug. - Fri., 22 Aug.
PHL
Philadelphia
MIA
Miami
AU$456 Return, found 3 days ago
AU$456
Return
found 3 days ago
Select United flight, departing Tue., 19 Aug. from Philadelphia to Miami, returning Fri., 22 Aug., priced at AU$456 found 3 days ago
JetBlue Airways
Wed., 3 Dec. - Thu., 4 Dec.
PHL
Philadelphia
RSW
Fort Myers
AU$490 Return, found 1 day ago
AU$490
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed., 3 Dec. from Philadelphia to Fort Myers, returning Thu., 4 Dec., priced at AU$490 found 1 day ago
Alaska Airlines
Thu., 25 Sep. - Sun., 12 Oct.
PHL
Philadelphia
LAX
Los Angeles
AU$656 Return, found 1 day ago
AU$656
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu., 25 Sep. from Philadelphia to Los Angeles, returning Sun., 12 Oct., priced at AU$656 found 1 day ago

Flights from New Castle: Essential Travel Information

Cheapest flight from New Castle
AU$214 (roundtrip)
Best airlines to fly from New Castle
Delta, American Airlines, United, Alaska Airlines, Hawaiian Airlines, JetBlue Airways
Cheapest month to fly from New Castle
August
New Castle IATA code
ILG
New Castle Country/State
Delaware
Airline ticket deals from New Castle
AU$214 - AU$656
*Available to Expedia members.