Cheap Flights to New Castle County | Popular Routes to New Castle County from HK$540

Popular airlines to New Castle County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • JetBlue Airways

    JetBlue Airways

  • Spirit Airlines

    Spirit Airlines

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Popular cities in New Castle County

FlightsFlights

Delaware City

Delaware City

Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at HK$540 for one-way flights and HK$2,358 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 22 Nov - Sun, 23 Nov
BOS
Boston
PHL
Philadelphia
HK$2,358 Return, found 1 day ago
HK$2,358
Return
found 1 day ago
Select Delta flight, departing Sat, 22 Nov from Boston to Philadelphia, returning Sun, 23 Nov, priced at HK$2,358 found 1 day ago
Delta
Sat, 22 Nov - Sun, 23 Nov
BOS
Boston
PHL
Philadelphia
HK$2,627 Return, found 1 day ago
HK$2,627
Return
found 1 day ago
Select Delta flight, departing Sat, 22 Nov from Boston to Philadelphia, returning Sun, 23 Nov, priced at HK$2,627 found 1 day ago
American Airlines
Sat, 22 Nov - Sun, 23 Nov
BOS
Boston
PHL
Philadelphia
HK$2,896 Return, found 1 day ago
HK$2,896
Return
found 1 day ago
Select American Airlines flight, departing Sat, 22 Nov from Boston to Philadelphia, returning Sun, 23 Nov, priced at HK$2,896 found 1 day ago
Delta
Sat, 22 Nov - Sun, 23 Nov
BOS
Boston
PHL
Philadelphia
HK$2,939 Return, found 1 day ago
HK$2,939
Return
found 1 day ago
Select Delta flight, departing Sat, 22 Nov from Boston to Philadelphia, returning Sun, 23 Nov, priced at HK$2,939 found 1 day ago
Delta
Sat, 22 Nov - Sun, 23 Nov
BOS
Boston
PHL
Philadelphia
HK$2,971 Return, found 1 day ago
HK$2,971
Return
found 1 day ago
Select Delta flight, departing Sat, 22 Nov from Boston to Philadelphia, returning Sun, 23 Nov, priced at HK$2,971 found 1 day ago
United
Sat, 22 Nov - Sun, 23 Nov
BOS
Boston
PHL
Philadelphia
HK$2,972 Return, found 1 day ago
HK$2,972
Return
found 1 day ago
Select United flight, departing Sat, 22 Nov from Boston to Philadelphia, returning Sun, 23 Nov, priced at HK$2,972 found 1 day ago
American Airlines
Sat, 22 Nov - Sun, 23 Nov
BOS
Boston
PHL
Philadelphia
HK$2,982 Return, found 1 day ago
HK$2,982
Return
found 1 day ago
Select American Airlines flight, departing Sat, 22 Nov from Boston to Philadelphia, returning Sun, 23 Nov, priced at HK$2,982 found 1 day ago
United
Sat, 22 Nov - Sun, 23 Nov
BOS
Boston
PHL
Philadelphia
HK$3,013 Return, found 1 day ago
HK$3,013
Return
found 1 day ago
Select United flight, departing Sat, 22 Nov from Boston to Philadelphia, returning Sun, 23 Nov, priced at HK$3,013 found 1 day ago
Air Canada
Mon, 8 Dec - Fri, 12 Dec
PUJ
Punta Cana
PHL
Philadelphia
HK$3,194 Return, found 18 hours ago
HK$3,194
Return
found 18 hours ago
Select Air Canada flight, departing Mon, 8 Dec from Punta Cana to Philadelphia, returning Fri, 12 Dec, priced at HK$3,194 found 18 hours ago
Korean Air
Thu, 20 Nov - Wed, 3 Dec
ICN
Seoul
PHL
Philadelphia
HK$5,510 Return, just found
HK$5,510
Return
just found
Select Korean Air flight, departing Thu, 20 Nov from Seoul to Philadelphia, returning Wed, 3 Dec, priced at HK$5,510 just found

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, 2 Oct - Tue, 6 Oct
HKG
Hong Kong SAR
PHL
Philadelphia
HK$7,320 Return, found 6 days ago
HK$7,320
Return
found 6 days ago
Select STARLUX Airlines flight, departing Fri, 2 Oct from Hong Kong SAR to Philadelphia, returning Tue, 6 Oct, priced at HK$7,320 found 6 days ago

Book with confidence

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.

Explore a world of travel with Expedia

*Available to Expedia members.