A cityscape with a river, industrial buildings, and a mix of modern and older architecture.

Flight Destinations in New Castle County

View ฿21,619 flight on Mon, 12 Oct 2026Opens in a new window

Popular airlines to New Castle County

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  • Alaska Airlines

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Cheap round-trip flights to New Castle County

Prices were available within the past 7 days and start at ฿21,619 for one-way flights and ฿32,480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, 24 Sept - Sat, 10 Oct
BKK
Bangkok
PHL
Philadelphia
฿32,480 Return, found 4 days ago
฿32,480
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 24 Sept from Bangkok to Philadelphia, returning Sat, 10 Oct, priced at ฿32,480 found 4 days ago
Qatar Airways
Mon, 28 Sept - Mon, 5 Oct
BKK
Bangkok
PHL
Philadelphia
฿33,585 Return, found 4 days ago
฿33,585
Return
found 4 days ago
Select Qatar Airways flight, departing Mon, 28 Sept from Bangkok to Philadelphia, returning Mon, 5 Oct, priced at ฿33,585 found 4 days ago
Qatar Airways
Sat, 26 Sept - Thu, 22 Oct
BKK
Bangkok
PHL
Philadelphia
฿34,410 Return, found 6 days ago
฿34,410
Return
found 6 days ago
Select Qatar Airways flight, departing Sat, 26 Sept from Bangkok to Philadelphia, returning Thu, 22 Oct, priced at ฿34,410 found 6 days ago
Air Canada
Wed, 5 May - Mon, 10 May
BKK
Bangkok
PHL
Philadelphia
฿35,795 Return, found 5 days ago
฿35,795
Return
found 5 days ago
Select Air Canada flight, departing Wed, 5 May from Bangkok to Philadelphia, returning Mon, 10 May, priced at ฿35,795 found 5 days ago
Air Canada
Mon, 21 Sept - Wed, 30 Sept
BKK
Bangkok
PHL
Philadelphia
฿36,045 Return, found 1 day ago
฿36,045
Return
found 1 day ago
Select Air Canada flight, departing Mon, 21 Sept from Bangkok to Philadelphia, returning Wed, 30 Sept, priced at ฿36,045 found 1 day ago
Air Canada
Wed, 5 May - Mon, 10 May
BKK
Bangkok
PHL
Philadelphia
฿36,195 Return, found 5 days ago
฿36,195
Return
found 5 days ago
Select Air Canada flight, departing Wed, 5 May from Bangkok to Philadelphia, returning Mon, 10 May, priced at ฿36,195 found 5 days ago
STARLUX Airlines
Tue, 8 Sept - Sat, 16 Jan
BKK
Bangkok
PHL
Philadelphia
฿38,700 Return, found 6 hours ago
฿38,700
Return
found 6 hours ago
Select STARLUX Airlines flight, departing Tue, 8 Sept from Bangkok to Philadelphia, returning Sat, 16 Jan, priced at ฿38,700 found 6 hours ago
EVA Airways
Sat, 5 Sept - Sat, 16 Jan
CNX
Chiang Mai
PHL
Philadelphia
฿42,400 Return, found 6 hours ago
฿42,400
Return
found 6 hours ago
Select EVA Airways flight, departing Sat, 5 Sept from Chiang Mai to Philadelphia, returning Sat, 16 Jan, priced at ฿42,400 found 6 hours ago
Cathay Pacific
Thu, 27 Aug - Wed, 9 Sept
BKK
Bangkok
PHL
Philadelphia
฿43,760 Return, just found
฿43,760
Return
just found
Select Cathay Pacific flight, departing Thu, 27 Aug from Bangkok to Philadelphia, returning Wed, 9 Sept, priced at ฿43,760 just found
Finnair
Fri, 18 Sept - Fri, 23 Oct
BKK
Bangkok
PHL
Philadelphia
฿46,440 Return, found 11 hours ago
฿46,440
Return
found 11 hours ago
Select Finnair flight, departing Fri, 18 Sept from Bangkok to Philadelphia, returning Fri, 23 Oct, priced at ฿46,440 found 11 hours ago

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.

Qatar Airways
Thu, 24 Sept - Sat, 10 Oct
BKK
Bangkok
PHL
Philadelphia
฿32,480 Return, found 4 days ago
฿32,480
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 24 Sept from Bangkok to Philadelphia, returning Sat, 10 Oct, priced at ฿32,480 found 4 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, ฿32,480 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 ฿32,480 and reached a maximum of ฿46,440. For one-way journeys departing from Bangkok (BKK), the lowest price during this time was just ฿21,619.
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.
How much is a plane ticket to New Castle County?
In the last seven days, airfares to New Castle County fluctuated between ฿32,480 and ฿46,440. 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.

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About New Castle County

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.
About New Castle County
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