Flight to New Castle County

View S$339 flight on Wed, 25 Mar, 2026Opens in a new window

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Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at S$339 for one-way flights and S$644 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 25 Mar - Wed, 1 Apr
YHM
Hamilton
PHL
Philadelphia
S$644 Return, found 3 days ago
S$644
Return
found 3 days ago
Select Air Canada flight, departing Wed, 25 Mar from Hamilton to Philadelphia, returning Wed, 1 Apr, priced at S$644 found 3 days ago
Air Canada
Wed, 25 Mar - Wed, 1 Apr
YYZ
Toronto
PHL
Philadelphia
S$644 Return, found 3 days ago
S$644
Return
found 3 days ago
Select Air Canada flight, departing Wed, 25 Mar from Toronto to Philadelphia, returning Wed, 1 Apr, priced at S$644 found 3 days ago
Air Canada
Wed, 25 Mar - Wed, 1 Apr
YYZ
Toronto
PHL
Philadelphia
S$644 Return, found 3 days ago
S$644
Return
found 3 days ago
Select Air Canada flight, departing Wed, 25 Mar from Toronto to Philadelphia, returning Wed, 1 Apr, priced at S$644 found 3 days ago
American Airlines
Wed, 25 Mar - Wed, 1 Apr
YYZ
Toronto
PHL
Philadelphia
S$644 Return, found 3 days ago
S$644
Return
found 3 days ago
Select American Airlines flight, departing Wed, 25 Mar from Toronto to Philadelphia, returning Wed, 1 Apr, priced at S$644 found 3 days ago
Air Canada
Wed, 25 Mar - Wed, 1 Apr
YYZ
Toronto
PHL
Philadelphia
S$644 Return, found 3 days ago
S$644
Return
found 3 days ago
Select Air Canada flight, departing Wed, 25 Mar from Toronto to Philadelphia, returning Wed, 1 Apr, priced at S$644 found 3 days ago
United
Wed, 25 Mar - Wed, 1 Apr
YYZ
Toronto
PHL
Philadelphia
S$651 Return, found 3 days ago
S$651
Return
found 3 days ago
Select United flight, departing Wed, 25 Mar from Toronto to Philadelphia, returning Wed, 1 Apr, priced at S$651 found 3 days ago
Delta
Wed, 25 Mar - Wed, 1 Apr
YYZ
Toronto
PHL
Philadelphia
S$651 Return, found 3 days ago
S$651
Return
found 3 days ago
Select Delta flight, departing Wed, 25 Mar from Toronto to Philadelphia, returning Wed, 1 Apr, priced at S$651 found 3 days ago
China Airlines
Sat, 25 Apr - Mon, 4 May
SIN
Singapore
PHL
Philadelphia
S$1,309 Return, found 5 days ago
S$1,309
Return
found 5 days ago
Select China Airlines flight, departing Sat, 25 Apr from Singapore to Philadelphia, returning Mon, 4 May, priced at S$1,309 found 5 days ago
EVA Airways
Tue, 24 Mar - Mon, 6 Apr
MNL
Manila
PHL
Philadelphia
S$1,400 Return, found 1 day ago
S$1,400
Return
found 1 day ago
Select EVA Airways flight, departing Tue, 24 Mar from Manila to Philadelphia, returning Mon, 6 Apr, priced at S$1,400 found 1 day ago
STARLUX Airlines
Thu, 30 Apr - Mon, 4 May
SIN
Singapore
PHL
Philadelphia
S$1,427 Return, found 23 hours ago
S$1,427
Return
found 23 hours ago
Select STARLUX Airlines flight, departing Thu, 30 Apr from Singapore to Philadelphia, returning Mon, 4 May, priced at S$1,427 found 23 hours ago
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.

New Castle County Flights Information

Airlines serving
Air Canada, United, American Airlines, Delta, China Airlines, STARLUX Airlines, Cathay Pacific, EVA Airways
Roundtrip price
from S$644

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, S$644 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 S$644 and reached a maximum of S$1,427. For one-way journeys departing from Toronto (YYZ), the lowest price during this time was just S$339.
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.
When is the cheapest time to fly to New Castle County?
Take off for New Castle County early in the week and you'll usually be rewarded with more affordable fares. Tuesday is typically the cheapest day to fly out, with Monday a close second. If you're hoping to avoid the costliest flights, keep clear of Saturdays.
How much is a plane ticket to New Castle County?
In the last seven days, airfares to New Castle County fluctuated between S$644 and S$1,427. 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.

China Airlines
Sat, 25 Apr - Mon, 4 May
SIN
Singapore
PHL
Philadelphia
S$1,309 Return, found 5 days ago
S$1,309
Return
found 5 days ago
Select China Airlines flight, departing Sat, 25 Apr from Singapore to Philadelphia, returning Mon, 4 May, priced at S$1,309 found 5 days ago
*Available to Expedia members.