Cheap Flights to Mercer County from $39 (2026/2027)

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Princeton

Flights
Princeton

How Much Does it Cost To Fly To Mercer County?

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

Thu, Jan 14 - Sun, Jan 17
PIE
St. Petersburg-Clearwater Intl.
TTN
Mercer
$78 Roundtrip, found 18 hours ago
$78
Roundtrip
found 18 hours ago
Select Allegiant Air flight, departing Thu, Jan 14 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Jan 17, priced at $78 found 18 hours ago
Thu, Jan 21 - Thu, Jan 28
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$83 Roundtrip, found 5 hours ago
$83
Roundtrip
found 5 hours ago
Select Allegiant Air flight, departing Thu, Jan 21 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Thu, Jan 28, priced at $83 found 5 hours ago
Thu, Jan 21 - Sun, Jan 24
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$88 Roundtrip, found 6 hours ago
$88
Roundtrip
found 6 hours ago
Select Allegiant Air flight, departing Thu, Jan 21 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Jan 24, priced at $88 found 6 hours ago
Thu, Jan 7 - Sun, Jan 10
PIE
St. Petersburg-Clearwater Intl.
TTN
Mercer
$93 Roundtrip, found 2 days ago
$93
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Thu, Jan 7 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Jan 10, priced at $93 found 2 days ago
Thu, Jan 28 - Thu, Feb 4
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$94 Roundtrip, found 2 days ago
$94
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Thu, Jan 28 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Thu, Feb 4, priced at $94 found 2 days ago
Thu, Jan 7 - Sun, Jan 10
PIE
St. Petersburg-Clearwater Intl.
TTN
Mercer
$98 Roundtrip, found 4 days ago
$98
Roundtrip
found 4 days ago
Select Allegiant Air flight, departing Thu, Jan 7 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Jan 10, priced at $98 found 4 days ago
Thu, Jan 14 - Sun, Jan 17
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$99 Roundtrip, found 1 day ago
$99
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Jan 14 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Jan 17, priced at $99 found 1 day ago
Thu, Nov 12 - Sun, Nov 15
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$104 Roundtrip, found 8 hours ago
$104
Roundtrip
found 8 hours ago
Select Allegiant Air flight, departing Thu, Nov 12 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Nov 15, priced at $104 found 8 hours ago
OriginDestinationTravel DatesFlights From*
PIETrentonJanuary 14 to January 17$78
FLLTrentonDecember 10 to December 13$83
MCOTrentonNovember 5 to November 9$145
ATLTrentonDecember 5 to December 13$157
ORDTrentonOctober 31 to November 7$176
ORDTrentonOctober 31 to November 7$176
RDUTrentonDecember 15 to December 17$192
CLTTrentonOctober 30 to October 31$245
DTWTrentonNovember 2 to November 9$254
DJTTrentonNovember 11 to November 12$839
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
MCOTrentonOctober 16 to November 9$183
PIETrentonOctober 18 to October 18$280
ATLTrentonOctober 16 to October 18$286
CLTTrentonOctober 18 to October 19$349
FLLTrentonOctober 18 to October 22$387
DTWTrentonOctober 17 to October 22$389
ORDTrentonOctober 16 to October 19$395
ORDTrentonOctober 16 to October 19$395
DJTTrentonOctober 17 to October 18$576
*Prices include taxes and fees

Best Mercer County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
NEW YORKER BY LOTTE HOTELS
4.0-star property

NEW YORKER BY LOTTE HOTELS

Dec 25 - Dec 29

4 night stay

Atlanta (ATL) to New York (JFK)

JetBlue Airways • Coach

New York (JFK) to Atlanta (ATL)

Frontier Airlines • Coach
Price was $1,899, price is now $1,058 per person
$1,058
per person
found 1 day ago
Lotte New York Palace
4.5-star property

Lotte New York Palace

Dec 8 - Dec 11

3 night stay

Atlanta (ATL) to New York (JFK)

JetBlue Airways • Roundtrip • Coach
Price was $2,979, price is now $1,532 per person
$1,532
per person
found 1 day ago
Hotel Riu Plaza Manhattan Times Square
4.0-star property

Hotel Riu Plaza Manhattan Times Square

Dec 25 - Dec 29

4 night stay

Atlanta (ATL) to New York (JFK)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $2,269, price is now $1,298 per person
$1,298
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Atlanta to Mercer County
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Travelers ❤️ These Mercer County 🏨

Hyatt Regency Princeton

Hyatt Regency Princeton

4 out of 5
102 Carnegie Ctr Princeton NJ
Book a stay at this business-friendly hotel in Princeton. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions University Square Shopping Center and Delaware River Heritage Trail Turning Basin Park Trailhead are located nearby.
Opens in a new windowHyatt Regency Princeton
Hyatt Place Princeton

Hyatt Place Princeton

3 out of 5
3565 US Highway 1 Princeton NJ
Book a stay at this business-friendly hotel in Princeton. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions AMC MarketFair 10 and Princeton Country Club are located nearby.
Opens in a new windowHyatt Place Princeton
Nassau Inn

Nassau Inn

3.5 out of 5
Ten Palmer Square East Princeton NJ
Book a stay at this business-friendly hotel in Princeton. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff in our reviews. Popular attractions Palmer Square and Princeton Public Library are located nearby.
Opens in a new windowNassau Inn
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Holiday Inn East Windsor - Cranbury Area by IHG

Holiday Inn East Windsor - Cranbury Area by IHG

3 out of 5
399 Monmouth St Hightstown NJ
Book a stay at this business-friendly hotel in Hightstown. Enjoy free WiFi, free parking, and room service. Our guests praise the helpful staff in our reviews. Popular attractions Randy Now's Man Cave and Twin Rivers Branch are located nearby.
8.6/10 Excellent! (1,004 reviews)
"Breakfast was all dried out. Should be the same from start to finish."

Reviewed on Oct 9, 2026

Opens in a new windowHoliday Inn East Windsor - Cranbury Area by IHG
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 Mercer County?
A roundtrip flight to Mercer County cost as little as $78 during the last seven days. When you've narrowed down your travel dates, we'll help you grab a great deal. This price was available on Travelocity for flights to Mercer County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Mercer County?
For the best chance at securing a superb flight deal, time your vacation in January. According to Travelocity's direct flight demand between January and December last year, it's the cheapest period to fly to Mercer County.
How can I check my flight status to Mercer County?
Visit Travelocity's handy portal, Trips. You'll find just about everything related to your flight to Mercer County here, including information about flight delays, gate changes and more. You'll locate Trips at the top right of the Travelocity homepage. Simply sign up, log in and get the answers to your questions. You can also look up your itinerary on the go and get real-time itinerary updates with the Travelocity app. You'll find all your itineraries in one convenient place, making it a snap to share details with any members of your family flying with you.
How do I find the best deals on flights to Mercer County?
Here are some tips — book early, avoid peak season and be flexible with your travel dates. If you don't have a specific date in mind, search for your flight to Mercer County on Travelocity and hit "Flexible dates" above your results. This will show you any cheaper tickets on a nearby day. $78 was the best deal for a roundtrip flight to Mercer County in the last seven days. 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 Mercer County with Travelocity?
An amazing vacation is only a click of a button away when you book your trip with Travelocity. With a wide selection of choices and competitive deals on cheap family flights, rental cars and more, we make it easy to discover awesome prices to suit your needs. You can also enjoy our round-the-clock customer assistance and free cancellations on most activities and hotels throughout every stage of the process. Wander wisely with us and score your cheap flights to Mercer County today.
What are the most popular flight routes to Mercer County?
Whether you're planning a quick break or a lengthy escape, we can help you lock in your next flight to Mercer County. The most popular flight routes to this destination include:

  • Orlando, FL (MCO-Orlando Intl.) to Mercer Airport (TTN) - 299 flights a month.
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Mercer Airport (TTN) - 212 flights a month.
  • Tampa, FL (TPA-Tampa Intl.) to Mercer Airport (TTN) - 108 flights a month.

How much is a flight to Mercer County on average?
Travelers have picked up roundtrip flights to Mercer County for between $78 and $839 with Travelocity in the last seven days. Whether you're looking to fly budget or business class, we'll help you get an awesome deal. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Mercer County?
Have a look at these popular routes for an idea of the average duration of a direct flight to Mercer County:

  • Orlando, FL (MCO-Orlando Intl.) to Mercer Airport (TTN) - 2 hours and 33 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Mercer Airport (TTN) - 2 hours and 3 minutes
  • Tampa, FL (TPA-Tampa Intl.) to Mercer Airport (TTN) - 2 hours and 38 minutes

What can I expect on a flight to Mercer County?
Factors like which airline you're traveling with and where your plane takes off from will largely determine what you'll be offered on your trip. Of course, you'll likely find all sorts of flights to Mercer County, from cheap flights for family vacations to business class journeys. Hot meals, entertainment and games for the kids are just a little taste of what most airlines provide on long-haul services.