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, Oct 22 - Fri, Oct 23
TPA
Tampa Intl.
TTN
Mercer
$76 Roundtrip, found 1 day ago
$76
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Tampa Intl. to Mercer, returning Fri, Oct 23, priced at $76 found 1 day ago
Thu, Nov 5 - Sun, Nov 8
PIE
St. Petersburg-Clearwater Intl.
TTN
Mercer
$78 Roundtrip, just found
$78
Roundtrip
just found
Select Allegiant Air flight, departing Thu, Nov 5 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Nov 8, priced at $78 just found
Thu, Oct 1 - Sun, Oct 4
PIE
St. Petersburg-Clearwater Intl.
TTN
Mercer
$83 Roundtrip, just found
$83
Roundtrip
just found
Select Allegiant Air flight, departing Thu, Oct 1 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Oct 4, priced at $83 just found
Fri, Oct 23 - Sun, Oct 25
TPA
Tampa Intl.
TTN
Mercer
$88 Roundtrip, found 1 day ago
$88
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Tampa Intl. to Mercer, returning Sun, Oct 25, priced at $88 found 1 day ago
Thu, Nov 12 - Sun, Nov 15
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, Nov 12 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Nov 15, priced at $93 found 2 days ago
Thu, Oct 29 - Sun, Nov 1
PIE
St. Petersburg-Clearwater Intl.
TTN
Mercer
$94 Roundtrip, just found
$94
Roundtrip
just found
Select Allegiant Air flight, departing Thu, Oct 29 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Nov 1, priced at $94 just found
Fri, Oct 2 - Mon, Oct 5
MCO
Orlando Intl.
TTN
Mercer
$96 Roundtrip, just found
$96
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 2 from Orlando Intl. to Mercer, returning Mon, Oct 5, priced at $96 just found
Thu, Oct 8 - Sun, Oct 11
PIE
St. Petersburg-Clearwater Intl.
TTN
Mercer
$99 Roundtrip, found 1 hour ago
$99
Roundtrip
found 1 hour ago
Select Allegiant Air flight, departing Thu, Oct 8 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Oct 11, priced at $99 found 1 hour ago
OriginDestinationTravel DatesFlights From*
FLLTrentonNovember 5 to November 8$78
PIETrentonOctober 1 to October 1$78
MCOTrentonOctober 2 to October 5$96
ATLTrentonSeptember 26 to September 29$157
RDUTrentonSeptember 22 to October 3$201
DTWTrentonOctober 7 to October 10$210
CLTTrentonSeptember 16 to September 23$213
ORDTrentonOctober 7 to October 10$222
ORDTrentonOctober 7 to October 10$222
DJTTrentonSeptember 19 to September 23$270
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
TPATrentonAugust 29 to September 1$209
FLLTrentonAugust 30 to September 3$222
RDUTrentonAugust 29 to September 1$254
ATLTrentonAugust 29 to September 1$282
DTWTrentonAugust 29 to September 10$283
CLTTrentonAugust 29 to September 1$304
DJTTrentonAugust 29 to September 2$315
MCOTrentonAugust 29 to September 2$339
ORDTrentonAugust 29 to August 31$345
ORDTrentonAugust 29 to August 31$345
*Prices include taxes and fees

Best Mercer County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
1 Hotel Brooklyn Bridge
5.0-star property

1 Hotel Brooklyn Bridge

Sep 24 - Sep 27

3 night stay

Atlanta (ATL) to New York (JFK)

Frontier Airlines • Coach

New York (JFK) to Atlanta (ATL)

American Airlines • Coach
Price was $3,453, price is now $1,688 per person
$1,688
per person
found 1 day ago
Casa De Miliki
3.0-star property

Casa De Miliki

Oct 24 - Oct 27

3 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $5,134, price is now $2,492 per person
$2,492
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

Oct 24 - Oct 27

3 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $4,386, price is now $2,176 per person
$2,176
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 Palmer Square and Swaminarayan Akshardham are located nearby.
8.8/10 Excellent! (1,399 reviews)
"Great experience at this hotel for a wedding stay. The staff from the front desk to the bar were all very helpful and friendly."

Reviewed on Aug 20, 2026

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.
8.6/10 Excellent! (1,011 reviews)
"Everything was great until we went to breakfast!!!! I paid for breakfast because it was not included with the room when I rented it, which is fine. It was a buffet style breakfast so we served ourself everything even drinks! When I got the bill, there was a gratuity added, a service charge to be ..."

Reviewed on Aug 21, 2026

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 Palmer Square and Swaminarayan Akshardham 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! (1,008 reviews)
"had a wedding during the day so just used the hotel to sleep, clean room did its job"

Reviewed on Aug 21, 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 $76 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. $76 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 $76 and $345 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.