Cheap Flights to Mercer County from $40 (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.

Sat, Oct 3 - Sat, Oct 10
MCO
Orlando Intl.
TTN
Mercer
$68 Roundtrip, found 21 hours ago
$68
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Sat, Oct 3 from Orlando Intl. to Mercer, returning Sat, Oct 10, priced at $68 found 21 hours ago
Fri, Oct 23 - Sun, Oct 25
MCO
Orlando Intl.
TTN
Mercer
$80 Roundtrip, found 3 days ago
$80
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Orlando Intl. to Mercer, returning Sun, Oct 25, priced at $80 found 3 days ago
Thu, Dec 3 - Mon, Dec 7
MCO
Orlando Intl.
TTN
Mercer
$81 Roundtrip, found 4 days ago
$81
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Dec 3 from Orlando Intl. to Mercer, returning Mon, Dec 7, priced at $81 found 4 days ago
Sat, Oct 24 - Sat, Nov 14
MCO
Orlando Intl.
TTN
Mercer
$83 Roundtrip, found 18 hours ago
$83
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Sat, Oct 24 from Orlando Intl. to Mercer, returning Sat, Nov 14, priced at $83 found 18 hours ago
Sat, Dec 5 - Sat, Dec 12
MCO
Orlando Intl.
TTN
Mercer
$84 Roundtrip, found 2 days ago
$84
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Dec 5 from Orlando Intl. to Mercer, returning Sat, Dec 12, priced at $84 found 2 days ago
Sat, Oct 24 - Mon, Oct 26
MCO
Orlando Intl.
TTN
Mercer
$90 Roundtrip, found 1 day ago
$90
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Oct 24 from Orlando Intl. to Mercer, returning Mon, Oct 26, priced at $90 found 1 day ago
Sat, Oct 10 - Sun, Oct 11
MCO
Orlando Intl.
TTN
Mercer
$91 Roundtrip, found 1 day ago
$91
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Oct 10 from Orlando Intl. to Mercer, returning Sun, Oct 11, priced at $91 found 1 day ago
Wed, Dec 9 - Thu, Dec 10
MCO
Orlando Intl.
TTN
Mercer
$94 Roundtrip, found 2 days ago
$94
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Dec 9 from Orlando Intl. to Mercer, returning Thu, Dec 10, priced at $94 found 2 days ago
OriginDestinationTravel DatesFlights From*
MCOTrentonOctober 3 to October 10$68
FLLTrentonDecember 3 to December 6$83
PIETrentonNovember 1 to November 8$88
ATLTrentonOctober 22 to October 26$137
RDUTrentonSeptember 30 to October 3$198
DTWTrentonNovember 11 to November 14$210
CLTTrentonDecember 9 to December 12$210
ORDTrentonSeptember 29 to September 30$222
ORDTrentonSeptember 29 to September 30$222
DJTTrentonOctober 2 to October 4$523
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DTWTrentonSeptember 19 to September 26$228
FLLTrentonSeptember 20 to September 24$242
ATLTrentonSeptember 19 to October 10$276
ORDTrentonSeptember 18 to October 19$283
ORDTrentonSeptember 18 to October 19$283
CLTTrentonSeptember 20 to September 26$284
MCOTrentonSeptember 18 to October 17$285
RDUTrentonSeptember 18 to September 21$320
TPATrentonSeptember 20 to October 11$324
DJTTrentonSeptember 19 to September 22$412
*Prices include taxes and fees

Best Mercer County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
One Sky Loft
2.0-star property

One Sky Loft

Oct 1 - Oct 4

3 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $700, price is now $391 per person
$391
per person
found 1 day ago
Tudor Lux
4.0-star property

Tudor Lux

Oct 4 - Oct 8

4 night stay

Dallas (DFW) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $5,351, price is now $2,849 per person
$2,849
per person
found 9 hours ago
Casa De Miliki
3.0-star property

Casa De Miliki

Oct 4 - Oct 8

4 night stay

Dallas (DFW) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $6,171, price is now $3,317 per person
$3,317
per person
found 9 hours ago
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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
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
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
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Windsor Hotel

Windsor Hotel

2 out of 5
460 Route 33 E Hightstown NJ
Stay at this hotel in Hightstown. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Twin Rivers Branch and Randy Now's Man Cave are located nearby.
7.2/10 Good! (1,006 reviews)
"Muy limpio"

Reviewed on Sep 12, 2026

Opens in a new windowWindsor Hotel
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 $68 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. $68 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 $68 and $523 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.