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

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Newark

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Newark

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.

Thu, Jan 7 - Mon, Jan 11
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$48 Roundtrip, just found
$48
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jan 7 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Mon, Jan 11, priced at $48 just found
Sun, Nov 1 - Sun, Nov 8
PIE
St. Petersburg-Clearwater Intl.
TTN
Mercer
$83 Roundtrip, found 6 hours ago
$83
Roundtrip
found 6 hours ago
Select Allegiant Air flight, departing Sun, Nov 1 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Nov 8, priced at $83 found 6 hours ago
Fri, Dec 4 - Mon, Dec 7
PIE
St. Petersburg-Clearwater Intl.
PHL
Philadelphia Intl.
$83 Roundtrip, found 10 hours ago
$83
Roundtrip
found 10 hours ago
Select Allegiant Air flight, departing Fri, Dec 4 from St. Petersburg-Clearwater Intl. to Philadelphia Intl., returning Mon, Dec 7, priced at $83 found 10 hours ago
Sat, Oct 24 - Mon, Oct 26
MCO
Orlando Intl.
TTN
Mercer
$86 Roundtrip, found 5 hours ago
$86
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Oct 24 from Orlando Intl. to Mercer, returning Mon, Oct 26, priced at $86 found 5 hours ago
Fri, Dec 11 - Mon, Dec 14
MCO
Orlando Intl.
PHL
Philadelphia Intl.
$88 Roundtrip, found 13 hours ago
$88
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, Dec 11 from Orlando Intl. to Philadelphia Intl., returning Mon, Dec 14, priced at $88 found 13 hours ago
Sat, Dec 5 - Mon, Dec 7
TPA
Tampa Intl.
PHL
Philadelphia Intl.
$91 Roundtrip, found 10 hours ago
$91
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Dec 5 from Tampa Intl. to Philadelphia Intl., returning Mon, Dec 7, priced at $91 found 10 hours ago
Fri, Oct 23 - Sun, Oct 25
TPA
Tampa Intl.
TTN
Mercer
$120 Roundtrip, found 11 hours ago
$120
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Tampa Intl. to Mercer, returning Sun, Oct 25, priced at $120 found 11 hours ago
Sat, Mar 6 - Tue, Mar 9
TPA
Tampa Intl.
ILG
New Castle
$121 Roundtrip, found 6 days ago
$121
Roundtrip
found 6 days ago
Select Avelo Airlines flight, departing Sat, Mar 6 from Tampa Intl. to New Castle, returning Tue, Mar 9, priced at $121 found 6 days ago
Fri, Feb 26 - Mon, Mar 1
RSW
Southwest Florida Intl.
TTN
Mercer
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Fri, Feb 26 from Southwest Florida Intl. to Mercer, returning Mon, Mar 1, priced at $142 found 1 day ago
Fri, Oct 23 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$147 Roundtrip, found 3 days ago
$147
Roundtrip
found 3 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 3 days ago
Fri, Dec 11 - Thu, Dec 17
BOS
Logan Intl.
PHL
Philadelphia Intl.
$246 Roundtrip, found 5 days ago
$246
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Dec 11 from Logan Intl. to Philadelphia Intl., returning Thu, Dec 17, priced at $246 found 5 days ago
OriginDestinationTravel DatesFlights From*
ATLPhiladelphiaDecember 1 to December 4$48
IAHPhiladelphiaNovember 18 to December 1$102
DTWPhiladelphiaOctober 28 to October 30$156
DENPhiladelphiaNovember 16 to November 18$160
BWIPhiladelphiaOctober 31 to November 3$163
INDPhiladelphiaOctober 28 to November 11$166
LAXPhiladelphiaOctober 21 to October 24$190
LAXNew CastleOctober 29 to November 1$734
FCOPhiladelphiaNovember 12 to November 25$738
KWIPhiladelphiaOctober 18 to October 26$1,014
KIXPhiladelphiaDecember 24 to January 4$1,222
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLTrentonOctober 3 to October 22$284
DTWPhiladelphiaOctober 3 to October 21$314
INDPhiladelphiaOctober 3 to October 7$324
IAHPhiladelphiaOctober 3 to October 6$340
DENTrentonOctober 3 to October 7$375
LAXPhiladelphiaOctober 3 to October 8$422
DENNew CastleOctober 3 to October 4$554
LAXNew CastleOctober 2 to October 3$613
BWITrentonOctober 2 to October 5$844
*Prices include taxes and fees

Best New Castle County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Tudor Place
4.0-star property

Tudor Place

Oct 15 - Oct 17

2 night stay

Boston (BOS) to Philadelphia (PHL)

JetBlue Airways • Roundtrip • Coach
Save 100% on your flight
Price was $2,585, price is now $1,545 per person
$1,545
per person
found 20 hours ago
Tudor Lux
4.0-star property

Tudor Lux

Oct 15 - Oct 17

2 night stay

Boston (BOS) to Philadelphia (PHL)

JetBlue Airways • Roundtrip • Coach
Save 100% on your flight
Price was $3,493, price is now $1,912 per person
$1,912
per person
found 20 hours ago
Casa De Miliki
3.0-star property

Casa De Miliki

Nov 4 - Nov 8

4 night stay

Atlanta (ATL) to Philadelphia (PHL)

Delta • Roundtrip • Coach
Price was $6,784, price is now $3,781 per person
$3,781
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Boston to New Castle County
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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! (4,852 reviews)
"Everything was great!"

Reviewed on Sep 29, 2026

Opens in a new windowClub Quarters Hotel Rittenhouse Square, Philadelphia
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Sofitel Philadelphia at Rittenhouse Square

Sofitel Philadelphia at Rittenhouse Square

4.5 out of 5
120 S 17th St Philadelphia PA
Book a stay at this luxury 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 Rittenhouse Square and Pennsylvania Convention Center are located nearby.
Opens in a new windowSofitel Philadelphia at 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?
January 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 $1,222. 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.