Cheap Flights to Mercer County from $49 (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.

Fri, Dec 4 - Tue, Dec 8
MCO
Orlando Intl.
TTN
Mercer
$127 Roundtrip, found 3 days ago
$127
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Dec 4 from Orlando Intl. to Mercer, returning Tue, Dec 8, priced at $127 found 3 days ago
Thu, Nov 12 - Mon, Nov 16
MCO
Orlando Intl.
TTN
Mercer
$133 Roundtrip, found 21 hours ago
$133
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Thu, Nov 12 from Orlando Intl. to Mercer, returning Mon, Nov 16, priced at $133 found 21 hours ago
Thu, Nov 5 - Mon, Nov 9
MCO
Orlando Intl.
TTN
Mercer
$138 Roundtrip, found 3 days ago
$138
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Nov 5 from Orlando Intl. to Mercer, returning Mon, Nov 9, priced at $138 found 3 days ago
Fri, Dec 4 - Tue, Dec 8
MCO
Orlando Intl.
TTN
Mercer
$146 Roundtrip, found 4 days ago
$146
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Dec 4 from Orlando Intl. to Mercer, returning Tue, Dec 8, priced at $146 found 4 days ago
Thu, Dec 10 - Sun, Dec 13
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$152 Roundtrip, found 22 hours ago
$152
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Thu, Dec 10 from Hartsfield-Jackson Atlanta Intl. to Mercer, returning Sun, Dec 13, priced at $152 found 22 hours ago
Fri, Dec 4 - Tue, Dec 8
MCO
Orlando Intl.
TTN
Mercer
$156 Roundtrip, found 1 day ago
$156
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Dec 4 from Orlando Intl. to Mercer, returning Tue, Dec 8, priced at $156 found 1 day ago
Thu, Dec 10 - Sun, Dec 13
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$157 Roundtrip, found 22 hours ago
$157
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Dec 10 from Hartsfield-Jackson Atlanta Intl. to Mercer, returning Sun, Dec 13, priced at $157 found 22 hours ago
Thu, Dec 3 - Tue, Dec 8
MCO
Orlando Intl.
TTN
Mercer
$158 Roundtrip, found 20 hours ago
$158
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Thu, Dec 3 from Orlando Intl. to Mercer, returning Tue, Dec 8, priced at $158 found 20 hours ago
OriginDestinationTravel DatesFlights From*
PIETrentonJanuary 7 to January 7$83
FLLTrentonJanuary 21 to January 28$94
MCOTrentonNovember 5 to November 9$138
ATLTrentonDecember 10 to December 13$157
RDUTrentonNovember 12 to November 13$193
DTWTrentonNovember 12 to November 16$224
ORDTrentonDecember 10 to December 12$236
ORDTrentonDecember 10 to December 12$236
CLTTrentonOctober 30 to October 31$245
DJTTrentonNovember 21 to November 25$858
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PIETrentonOctober 18 to October 22$244
ATLTrentonOctober 17 to October 24$316
MCOTrentonOctober 17 to October 19$333
CLTTrentonOctober 17 to October 24$356
RDUTrentonOctober 18 to October 25$358
ORDTrentonOctober 17 to October 24$360
ORDTrentonOctober 17 to October 24$360
FLLTrentonOctober 18 to October 22$377
DTWTrentonOctober 17 to October 22$390
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.
Lotte New York Palace
4.5-star property

Lotte New York Palace

Dec 13 - Dec 16

3 night stay

Atlanta (ATL) to New York (JFK)

United • Roundtrip • Coach
Save 100% on your flight
Price was $1,775, price is now $978 per person
$978
per person
found 1 day ago
Tudor Lux
4.0-star property

Tudor Lux

Dec 2 - Dec 5

3 night stay

San Juan (SJU) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $4,670, price is now $2,235 per person
$2,235
per person
found 1 day ago
Tudor Place
4.0-star property

Tudor Place

Dec 2 - Dec 5

3 night stay

San Juan (SJU) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $3,471, price is now $1,914 per person
$1,914
per person
found 1 day ago
Don't see what you're looking for?
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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.
8.8/10 Excellent! (1,512 reviews)
"It is old but"

Reviewed on Oct 14, 2026

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.
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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.
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 $83 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 December. 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. $83 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 $83 and $858 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.