Cheap Flights to New Castle County from $19 (2026/2027)

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How Much Does it Cost To Fly To New Castle County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Tue, Nov 17 - Wed, Nov 18
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$48 Roundtrip, found 20 hours ago
$48
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Tue, Nov 17 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Wed, Nov 18, priced at $48 found 20 hours ago
Wed, Oct 14 - Tue, Nov 3
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$58 Roundtrip, found 1 day ago
$58
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 14 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Tue, Nov 3, priced at $58 found 1 day ago
Wed, Oct 21 - Wed, Oct 28
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$60 Roundtrip, found 18 hours ago
$60
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Wed, Oct 21 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Wed, Oct 28, priced at $60 found 18 hours ago
Wed, Nov 11 - Wed, Dec 9
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$64 Roundtrip, found 1 day ago
$64
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Nov 11 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Wed, Dec 9, priced at $64 found 1 day ago
Sat, Oct 24 - Wed, Oct 28
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$68 Roundtrip, found 14 hours ago
$68
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sat, Oct 24 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Wed, Oct 28, priced at $68 found 14 hours ago
Wed, Dec 9 - Tue, Dec 15
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$139 Roundtrip, found 21 hours ago
$139
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Dec 9 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Tue, Dec 15, priced at $139 found 21 hours ago
Fri, Oct 23 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$147 Roundtrip, found 4 days ago
$147
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Hartsfield-Jackson Atlanta Intl. to Mercer, returning Mon, Oct 26, priced at $147 found 4 days ago
Sat, Oct 31 - Sat, Oct 31
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$152 Roundtrip, found 5 days ago
$152
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct 31 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Sat, Oct 31, priced at $152 found 5 days ago
Thu, Dec 10 - Thu, Dec 17
BOS
Logan Intl.
PHL
Philadelphia Intl.
$246 Roundtrip, found 1 day ago
$246
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Dec 10 from Logan Intl. to Philadelphia Intl., returning Thu, Dec 17, priced at $246 found 1 day ago
OriginDestinationTravel DatesFlights From*
ATLPhiladelphiaOctober 24 to October 28$68
DTWPhiladelphiaNovember 5 to November 9$69
IAHPhiladelphiaDecember 9 to December 13$135
INDPhiladelphiaNovember 16 to November 18$163
BWIPhiladelphiaNovember 2 to November 4$166
DENPhiladelphiaNovember 3 to November 6$216
LAXPhiladelphiaNovember 11 to November 17$281
LAXNew CastleOctober 29 to November 1$734
FCOPhiladelphiaJanuary 9 to January 15$743
KWIPhiladelphiaOctober 18 to October 26$1,014
ITMPhiladelphiaDecember 24 to January 4$1,274
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLTrentonOctober 3 to October 22$284
IAHPhiladelphiaOctober 3 to October 7$334
DENPhiladelphiaOctober 3 to October 10$360
DTWTrentonOctober 3 to October 4$385
INDTrentonOctober 3 to October 3$412
LAXPhiladelphiaOctober 3 to October 5$419
DENNew CastleOctober 3 to October 4$554
BWIPhiladelphiaOctober 3 to October 4$817
*Prices include taxes and fees

Best New Castle County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
New Season Royals
2.0-star property

New Season Royals

Dec 4 - Dec 6

2 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $441, price is now $267 per person
$267
per person
found 1 day ago
Tudor Place
4.0-star property

Tudor Place

Dec 4 - Dec 7

3 night stay

San Juan (SJU) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $3,451, price is now $1,762 per person
$1,762
per person
found 6 hours ago
Cozy Home near City Center with Hot tub
3.0-star property

Cozy Home near City Center with Hot tub

Nov 9 - Nov 11

2 night stay

Atlanta (ATL) to Philadelphia (PHL)

Delta • Coach

Philadelphia (PHL) to Atlanta (ATL)

Frontier Airlines • Coach
Price was $3,494, price is now $1,844 per person
$1,844
per person
found 1 day ago
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Travelers ❤️ These New Castle County 🏨

Sonesta Philadelphia Rittenhouse Square

Sonesta Philadelphia Rittenhouse Square

4 out of 5
1800 Market St Philadelphia PA
Book a stay at this business-friendly hotel in Philadelphia. Enjoy free WiFi, an outdoor pool, and breakfast (surcharge). Our guests praise the pool and the helpful staff in our reviews. Popular attractions Rittenhouse Square and Pennsylvania Convention Center are located nearby.
Opens in a new windowSonesta Philadelphia Rittenhouse Square
The Windsor Suites

The Windsor Suites

4 out of 5
1700 Ben Franklin Pkwy Philadelphia PA
Book a stay at this business-friendly hotel in Philadelphia. Enjoy free WiFi, an outdoor pool, and 2 restaurants. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Pennsylvania Convention Center and Rittenhouse Square are located nearby.
Opens in a new windowThe Windsor Suites
Club Quarters Hotel Rittenhouse Square, Philadelphia

Club Quarters Hotel Rittenhouse Square, Philadelphia

4 out of 5
1628 Chestnut St Philadelphia PA
Book a stay at this business-friendly hotel in Philadelphia. Enjoy free WiFi, a fitness center, and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Rittenhouse Square and Pennsylvania Convention Center are located nearby.
9/10 Wonderful! (4,825 reviews)
"X"

Reviewed on Oct 1, 2026

Opens in a new windowClub Quarters Hotel Rittenhouse Square, Philadelphia
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Motto by Hilton Philadelphia Rittenhouse Square

Motto by Hilton Philadelphia Rittenhouse Square

3.5 out of 5
31 S 19th St Philadelphia PA
Stay at this hotel in Philadelphia. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the restaurant and the helpful staff in our reviews. Popular attractions Rittenhouse Square and Pennsylvania Convention Center are located nearby.
Opens in a new windowMotto by Hilton Philadelphia Rittenhouse Square
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to New Castle County?
Thrifty travelers were able to book a roundtrip flight to New Castle County for as little as $48 during the last seven days. If you find a fare you like, book quickly. Cheap deals don't wait around forever! This price was available on Travelocity for flights to New Castle County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to New Castle County?
November is the cheapest month to make your way to New Castle County based on Travelocity's direct return flight demand from January to December last year. We'll help you snap up an incredible deal so you can start preparing your escape today.
How can I check my flight status to New Castle County?
Check on the status of your flight to New Castle County, amend your journey and loads more from our useful Trips portal. Found at the top right of our homepage, it's the place to manage and view your bookings. All you need to do is log in or create a new account in seconds. Savvy wanderers will also love the Travelocity app. You'll get alerts for any gate changes and flight delays, along with the ability to view deals on hotels, flights, rental cars and activities while you're on the move. If you have family flying with you, it's also a quick way to share travel details with each other.
How do I find the best deals on flights to New Castle County?
It's better to book ahead of schedule, and if possible, avoid flying during peak periods. Another smart way to save is by clicking the "Flexible dates" box at the top of the page after searching for your flights. This lets you compare prices for nearby days. In the last seven days, the best price for a return flight to New Castle County was $48. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to New Castle County with Travelocity?
From cheap flights to New Castle County to rental cars and hotels, Travelocity is your one-stop shop for epic adventures. With everything you need in one convenient place, you can enjoy more time preparing for all the wonderful things that await you in New Castle County and less time working on travel planning. Plus with our Price Match Guarantee and free cancellation on most activities, our mission is to make your next break the best one yet.
How much is a flight to New Castle County on average?
In the last seven days, roundtrip flights to New Castle County were priced between $48 and $1,274. No matter what type of ticket you're after, we've got some amazing deals to help you stick within budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What can I expect on a flight to New Castle County?
That depends on a couple of things. Is your flight to New Castle County short and snappy or many hours long? Are you planning to fly with a full-service airline or a low-cost one? These things will influence your onboard experience. If your flight is classified as long haul, a majority of airlines include drinks, hot meals and entertainment. Budget carriers are an excellent option when it comes to cheap flights for family vacations or if your trip is short. But, they often won't have the same inclusions as a full-service carrier.