Cheap Flights to New Castle County from $38 (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Jet to one of New Castle County's top cities

A large, historic house with a symmetrical facade, green shutters, and a well-maintained garden.

Wilmington

Flights
Wilmington

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.

Fri, Oct 2 - Mon, Oct 5
MCO
Orlando Intl.
TTN
Mercer
$76 Roundtrip, found 1 day ago
$76
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 2 from Orlando Intl. to Mercer, returning Mon, Oct 5, priced at $76 found 1 day ago
Thu, Oct 22 - Fri, Oct 23
TPA
Tampa Intl.
TTN
Mercer
$76 Roundtrip, found 1 day ago
$76
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Tampa Intl. to Mercer, returning Fri, Oct 23, priced at $76 found 1 day ago
Thu, Nov 12 - Sun, Nov 15
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$78 Roundtrip, just found
$78
Roundtrip
just found
Select Allegiant Air flight, departing Thu, Nov 12 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Nov 15, priced at $78 just found
Fri, Sep 11 - Sat, Sep 12
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$87 Roundtrip, found 11 hours ago
$87
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Fri, Sep 11 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Sat, Sep 12, priced at $87 found 11 hours ago
Wed, Sep 16 - Sun, Sep 20
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$89 Roundtrip, found 9 hours ago
$89
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Wed, Sep 16 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Sun, Sep 20, priced at $89 found 9 hours ago
Wed, Sep 9 - Thu, Sep 17
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$93 Roundtrip, found 3 days ago
$93
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Thu, Sep 17, priced at $93 found 3 days ago
Tue, Sep 8 - Fri, Sep 11
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$96 Roundtrip, found 2 days ago
$96
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Sep 8 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Fri, Sep 11, priced at $96 found 2 days ago
Tue, Sep 29 - Sat, Oct 3
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$121 Roundtrip, found 7 hours ago
$121
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Sep 29 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Sat, Oct 3, priced at $121 found 7 hours ago
Tue, Sep 29 - Sat, Oct 3
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$151 Roundtrip, found 7 hours ago
$151
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Tue, Sep 29 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Sat, Oct 3, priced at $151 found 7 hours ago
Sat, Oct 17 - Sat, Oct 17
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$152 Roundtrip, found 4 days ago
$152
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Sat, Oct 17, priced at $152 found 4 days ago
Tue, Sep 29 - Sat, Oct 3
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$157 Roundtrip, found 7 hours ago
$157
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Sep 29 from Hartsfield-Jackson Atlanta Intl. to Mercer, returning Sat, Oct 3, priced at $157 found 7 hours ago
OriginDestinationTravel DatesFlights From*
ATLPhiladelphiaSeptember 16 to September 20$89
DENPhiladelphiaOctober 20 to October 24$178
DTWPhiladelphiaOctober 11 to October 14$210
INDPhiladelphiaOctober 13 to October 14$213
IAHTrentonSeptember 16 to September 23$229
LAXPhiladelphiaOctober 26 to October 28$288
BWIPhiladelphiaOctober 11 to October 22$293
IAHNew CastleSeptember 25 to September 27$323
LAXNew CastleOctober 1 to October 4$471
INDNew CastleSeptember 18 to September 20$530
FCOPhiladelphiaOctober 14 to October 19$703
BWINew CastleSeptember 4 to September 11$793
KIXPhiladelphiaOctober 10 to October 14$1,228
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
INDPhiladelphiaAugust 30 to September 1$242
ATLPhiladelphiaAugust 29 to August 30$256
IAHTrentonAugust 29 to September 9$280
DTWTrentonAugust 29 to September 10$283
DENPhiladelphiaAugust 29 to August 30$364
LAXTrentonAugust 29 to September 6$422
LAXNew CastleAugust 28 to September 4$546
BWIPhiladelphiaAugust 30 to September 2$667
FCOPhiladelphiaAugust 30 to September 3$1,024
*Prices include taxes and fees

Best New Castle County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
YOWIE (Hotel & Shop)
2.0-star property

YOWIE (Hotel & Shop)

Sep 24 - Sep 27

3 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $961, price is now $568 per person
$568
per person
found 1 day ago
Casa De Miliki
3.0-star property

Casa De Miliki

Oct 24 - Oct 27

3 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $5,134, price is now $2,492 per person
$2,492
per person
found 1 day ago
Cozy Home near City Center with Hot tub
3.0-star property

Cozy Home near City Center with Hot tub

Oct 24 - Oct 27

3 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $4,386, price is now $2,176 per person
$2,176
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Atlanta to New Castle County
View all trips

Travelers ❤️ These New Castle County 🏨

Loews Philadelphia Hotel

Loews Philadelphia Hotel

4 out of 5
1200 Market St Philadelphia PA
Book a stay at this business-friendly hotel in Philadelphia. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Pennsylvania Convention Center and Rittenhouse Square are located nearby.
9.4/10 Exceptional! (1,984 reviews)
"Terrible elevator service"

Reviewed on Aug 21, 2026

Opens in a new windowLoews Philadelphia Hotel
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
W Philadelphia

W Philadelphia

5 out of 5
1439 CHESTNUT ST Philadelphia PA
Book a stay at this luxury hotel in Philadelphia. Enjoy a full-service spa, 2 bars/lounges, and breakfast (surcharge). Our guests praise the helpful staff and the property condition in our reviews. Popular attractions Pennsylvania Convention Center and Rittenhouse Square are located nearby.
Opens in a new windowW Philadelphia
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
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.
Opens in a new windowClub Quarters Hotel Rittenhouse Square, Philadelphia
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 $76 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?
October 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 $76. 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 $76 and $1,228. 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.