Cheap Flights to New Castle County from ₩625,000

View ₩625,000 flight on Thu, May 14, 2026Opens in a new window

Popular airlines to New Castle County

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  • Spirit Airlines

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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 ₩625,000 for one-way flights and ₩609,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Apr 21 - Mon, May 4
LAF
Lafayette
PHL
Philadelphia
₩609,900 Roundtrip, found 23 hours ago
₩609,900
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Apr 21 from Lafayette to Philadelphia, returning Mon, May 4, priced at ₩609,900 found 23 hours ago
United
Thu, Apr 16 - Tue, Apr 21
LAF
Lafayette
PHL
Philadelphia
₩617,400 Roundtrip, found 23 hours ago
₩617,400
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Apr 16 from Lafayette to Philadelphia, returning Tue, Apr 21, priced at ₩617,400 found 23 hours ago
United
Tue, Apr 14 - Mon, Apr 20
LAF
Lafayette
PHL
Philadelphia
₩625,000 Roundtrip, found 23 hours ago
₩625,000
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Apr 14 from Lafayette to Philadelphia, returning Mon, Apr 20, priced at ₩625,000 found 23 hours ago
United
Tue, Apr 21 - Sun, May 3
LAF
Lafayette
PHL
Philadelphia
₩655,900 Roundtrip, found 23 hours ago
₩655,900
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Apr 21 from Lafayette to Philadelphia, returning Sun, May 3, priced at ₩655,900 found 23 hours ago
Delta
Wed, Jun 3 - Thu, Jul 30
ICN
Seoul
PHL
Philadelphia
₩904,200 Roundtrip, found 5 days ago
₩904,200
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jun 3 from Seoul to Philadelphia, returning Thu, Jul 30, priced at ₩904,200 found 5 days ago
Alaska Airlines
Wed, Apr 29 - Sat, May 2
ICN
Seoul
PHL
Philadelphia
₩1,044,100 Roundtrip, found 4 days ago
₩1,044,100
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Apr 29 from Seoul to Philadelphia, returning Sat, May 2, priced at ₩1,044,100 found 4 days ago
Korean Air
Mon, Feb 15 - Mon, Feb 22
ICN
Seoul
PHL
Philadelphia
₩1,044,200 Roundtrip, found 15 hours ago
₩1,044,200
Roundtrip
found 15 hours ago
Select Korean Air flight, departing Mon, Feb 15 from Seoul to Philadelphia, returning Mon, Feb 22, priced at ₩1,044,200 found 15 hours ago
Air Canada
Fri, Dec 25 - Sat, Jan 2
ICN
Seoul
PHL
Philadelphia
₩1,191,500 Roundtrip, found 3 days ago
₩1,191,500
Roundtrip
found 3 days ago
Select Air Canada flight, departing Fri, Dec 25 from Seoul to Philadelphia, returning Sat, Jan 2, priced at ₩1,191,500 found 3 days ago
Hawaiian Airlines
Fri, Apr 3 - Thu, Apr 9
ICN
Seoul
PHL
Philadelphia
₩1,551,400 Roundtrip, found 6 days ago
₩1,551,400
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Fri, Apr 3 from Seoul to Philadelphia, returning Thu, Apr 9, priced at ₩1,551,400 found 6 days ago
American Airlines
Sat, Aug 1 - Tue, Aug 4
ICN
Seoul
PHL
Philadelphia
₩1,870,600 Roundtrip, found 3 days ago
₩1,870,600
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 1 from Seoul to Philadelphia, returning Tue, Aug 4, priced at ₩1,870,600 found 3 days ago

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.

Delta
Wed, Jun 3 - Thu, Jul 30
ICN
Seoul
PHL
Philadelphia
₩904,200 Roundtrip, found 5 days ago
₩904,200
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jun 3 from Seoul to Philadelphia, returning Thu, Jul 30, priced at ₩904,200 found 5 days ago

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, ₩609,900 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 ₩609,900 and reached a maximum of ₩1,870,600. For one-way journeys departing from Seoul (ICN), the lowest price during this time was just ₩625,000.
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 ₩609,900 and ₩1,870,600. 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 65ºF and 80ºF.
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.

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About New Castle County

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About New Castle County

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