Cheap Flights to Mercer County from $38 (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, Dec 10 - Sun, Dec 13
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$83 Roundtrip, found 21 hours ago
$83
Roundtrip
found 21 hours ago
Select Allegiant Air flight, departing Thu, Dec 10 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Dec 13, priced at $83 found 21 hours ago
Thu, Jan 21 - Thu, Jan 28
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$88 Roundtrip, found 15 hours ago
$88
Roundtrip
found 15 hours ago
Select Allegiant Air flight, departing Thu, Jan 21 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Thu, Jan 28, priced at $88 found 15 hours ago
Thu, Nov 12 - Sun, Nov 15
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$93 Roundtrip, found 16 hours ago
$93
Roundtrip
found 16 hours ago
Select Allegiant Air flight, departing Thu, Nov 12 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Nov 15, priced at $93 found 16 hours ago
Sun, Jan 24 - Thu, Jan 28
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$98 Roundtrip, found 1 day ago
$98
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Sun, Jan 24 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Thu, Jan 28, priced at $98 found 1 day ago
Thu, Oct 22 - Mon, Oct 26
MCO
Orlando Intl.
TTN
Mercer
$101 Roundtrip, found 1 day ago
$101
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Orlando Intl. to Mercer, returning Mon, Oct 26, priced at $101 found 1 day ago
Sun, Jan 17 - Sun, Jan 17
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$104 Roundtrip, found 1 day ago
$104
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Sun, Jan 17 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Jan 17, priced at $104 found 1 day ago
Thu, Dec 3 - Sun, Dec 6
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$106 Roundtrip, found 13 hours ago
$106
Roundtrip
found 13 hours ago
Select Allegiant Air flight, departing Thu, Dec 3 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Dec 6, priced at $106 found 13 hours ago
Fri, Oct 23 - Mon, Oct 26
MCO
Orlando Intl.
TTN
Mercer
$110 Roundtrip, found 4 days ago
$110
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Orlando Intl. to Mercer, returning Mon, Oct 26, priced at $110 found 4 days ago
OriginDestinationTravel DatesFlights From*
FLLTrentonDecember 10 to December 13$83
PIETrentonNovember 1 to November 8$83
MCOTrentonOctober 23 to October 26$113
ATLTrentonOctober 21 to October 26$151
RDUTrentonOctober 23 to October 25$179
CLTTrentonOctober 22 to October 26$211
ORDTrentonDecember 7 to December 10$218
ORDTrentonDecember 7 to December 10$218
DTWTrentonDecember 10 to December 14$219
DJTTrentonNovember 21 to November 24$825
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PIETrentonOctober 11 to October 22$188
MCOTrentonOctober 11 to October 16$282
FLLTrentonOctober 11 to October 15$290
ORDTrentonOctober 10 to October 10$306
ORDTrentonOctober 10 to October 10$306
RDUTrentonOctober 9 to October 10$312
CLTTrentonOctober 9 to October 24$318
ATLTrentonOctober 11 to October 16$326
DTWTrentonOctober 9 to October 10$385
*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 6 - Dec 9

3 night stay

Atlanta (ATL) to New York (JFK)

Frontier Airlines • Roundtrip • Coach
Price was $2,713, price is now $1,264 per person
$1,264
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

Nov 15 - Nov 19

4 night stay

Dallas (DFW) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $6,788, price is now $3,333 per person
$3,333
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 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.
8.4/10 Very Good! (1,001 reviews)
"this hotel was good in many ways, namely the desk clerks and the cleanliness of the room. I also enjoyed the spaciousness. The downsides would be the way they have the TV setup. if you want to stream your own subscription services they force you to use chromecast which as an apple user is a nonstart ..."

Reviewed on Oct 2, 2026

Opens in a new windowHyatt Place Princeton
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
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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
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 $825 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.