Cheap Flights to Mercer County from $57 (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, Oct 23 - Mon, Oct 26
MCO
Orlando Intl.
TTN
Mercer
$123 Roundtrip, found 1 day ago
$123
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Orlando Intl. to Mercer, returning Mon, Oct 26, priced at $123 found 1 day ago
Thu, Nov 12 - Mon, Nov 16
MCO
Orlando Intl.
TTN
Mercer
$130 Roundtrip, found 5 days ago
$130
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Nov 12 from Orlando Intl. to Mercer, returning Mon, Nov 16, priced at $130 found 5 days ago
Sat, Oct 31 - Sat, Nov 7
MCO
Orlando Intl.
TTN
Mercer
$136 Roundtrip, found 4 days ago
$136
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Oct 31 from Orlando Intl. to Mercer, returning Sat, Nov 7, priced at $136 found 4 days ago
Fri, Oct 16 - Mon, Oct 19
MCO
Orlando Intl.
TTN
Mercer
$147 Roundtrip, found 5 days ago
$147
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Oct 16 from Orlando Intl. to Mercer, returning Mon, Oct 19, priced at $147 found 5 days ago
Fri, Oct 30 - Sat, Oct 31
MCO
Orlando Intl.
TTN
Mercer
$150 Roundtrip, found 5 days ago
$150
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Oct 30 from Orlando Intl. to Mercer, returning Sat, Oct 31, priced at $150 found 5 days ago
Fri, Oct 23 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$150 Roundtrip, found 6 days ago
$150
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Hartsfield-Jackson Atlanta Intl. to Mercer, returning Mon, Oct 26, priced at $150 found 6 days ago
Wed, Oct 21 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$151 Roundtrip, found 6 days ago
$151
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Oct 21 from Hartsfield-Jackson Atlanta Intl. to Mercer, returning Mon, Oct 26, priced at $151 found 6 days ago
Thu, Nov 12 - Sat, Nov 14
MCO
Orlando Intl.
TTN
Mercer
$152 Roundtrip, found 5 days ago
$152
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Nov 12 from Orlando Intl. to Mercer, returning Sat, Nov 14, priced at $152 found 5 days ago
OriginDestinationTravel DatesFlights From*
PIETrentonNovember 1 to November 8$83
FLLTrentonDecember 10 to December 13$88
MCOTrentonOctober 30 to November 9$123
ATLTrentonOctober 21 to October 26$151
RDUTrentonOctober 23 to October 25$177
ORDTrentonDecember 8 to December 14$192
ORDTrentonDecember 8 to December 14$192
CLTTrentonOctober 31 to October 31$214
DTWTrentonDecember 10 to December 14$219
DJTTrentonNovember 11 to November 12$839
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PIETrentonOctober 11 to October 22$188
ATLTrentonOctober 9 to November 12$267
MCOTrentonOctober 9 to October 12$288
FLLTrentonOctober 11 to October 15$305
RDUTrentonOctober 9 to October 10$312
CLTTrentonOctober 10 to November 12$327
DTWTrentonOctober 10 to October 17$365
ORDTrentonOctober 11 to October 17$539
ORDTrentonOctober 11 to October 17$539
*Prices include taxes and fees

Best Mercer County Flight and Hotel Packages

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

Tudor Place

Dec 4 - Dec 6

2 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $2,335, price is now $1,116 per person
$1,116
per person
found 1 day ago
Casa De Miliki
3.0-star property

Casa De Miliki

Oct 31 - Nov 3

3 night stay

Orlando (MCO) to Philadelphia (PHL)

American Airlines • Coach

Philadelphia (PHL) to Orlando (MCO)

Frontier Airlines • Coach
Price was $5,239, price is now $2,605 per person
$2,605
per person
found 15 hours ago
Cozy Home near City Center with Hot tub
3.0-star property

Cozy Home near City Center with Hot tub

Nov 25 - Nov 29

4 night stay

Los Angeles (LAX) to Philadelphia (PHL)

American Airlines • Coach

Philadelphia (PHL) to Los Angeles (LAX)

Frontier Airlines • Coach
Price was $7,272, price is now $3,786 per person
$3,786
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! (1,003 reviews)
"Loud air conditioner that cuts on and off all night, gap under the door and around the frame so the room was lit all night. We had a room at the end of hall and could hear every beep from the elevator all night. If you want a goodnight sleep…do not stay here. Housekeeping personnel were talking back ..."

Reviewed on Oct 5, 2026

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.
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 October. 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 $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.