Cheap Flights to Mercer County from $39 (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 2 - Mon, Oct 5
TPA
Tampa Intl.
TTN
Mercer
$76 Roundtrip, found 1 hour ago
$76
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 2 from Tampa Intl. to Mercer, returning Mon, Oct 5, priced at $76 found 1 hour ago
Thu, Oct 8 - Mon, Oct 12
TPA
Tampa Intl.
TTN
Mercer
$82 Roundtrip, found 3 days ago
$82
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Oct 8 from Tampa Intl. to Mercer, returning Mon, Oct 12, priced at $82 found 3 days ago
Thu, Oct 1 - Mon, Oct 5
TPA
Tampa Intl.
TTN
Mercer
$86 Roundtrip, just found
$86
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 1 from Tampa Intl. to Mercer, returning Mon, Oct 5, priced at $86 just found
Fri, Oct 23 - Mon, Oct 26
TPA
Tampa Intl.
TTN
Mercer
$87 Roundtrip, found 1 hour ago
$87
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Tampa Intl. to Mercer, returning Mon, Oct 26, priced at $87 found 1 hour ago
Sun, Oct 4 - Mon, Oct 5
TPA
Tampa Intl.
TTN
Mercer
$92 Roundtrip, found 5 hours ago
$92
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sun, Oct 4 from Tampa Intl. to Mercer, returning Mon, Oct 5, priced at $92 found 5 hours ago
Fri, Oct 23 - Mon, Oct 26
TPA
Tampa Intl.
TTN
Mercer
$97 Roundtrip, found 2 days ago
$97
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Tampa Intl. to Mercer, returning Mon, Oct 26, priced at $97 found 2 days ago
Fri, Oct 9 - Mon, Oct 12
TPA
Tampa Intl.
TTN
Mercer
$98 Roundtrip, found 2 hours ago
$98
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Oct 9 from Tampa Intl. to Mercer, returning Mon, Oct 12, priced at $98 found 2 hours ago
Thu, Aug 27 - Sun, Sep 6
TPA
Tampa Intl.
TTN
Mercer
$100 Roundtrip, found 1 day ago
$100
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Aug 27 from Tampa Intl. to Mercer, returning Sun, Sep 6, priced at $100 found 1 day ago
OriginDestinationTravel DatesFlights From*
TPATrentonOctober 1 to October 5$76
MCOTrentonOctober 2 to October 5$76
FLLTrentonSeptember 24 to September 27$164
ATLTrentonAugust 5 to August 8$167
CLTTrentonAugust 5 to August 11$210
DTWTrentonAugust 11 to August 18$210
RDUTrentonAugust 4 to August 5$215
ORDTrentonAugust 31 to September 1$244
ORDTrentonAugust 31 to September 1$244
PBITrentonSeptember 2 to September 9$317
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
TPATrentonJuly 11 to July 18$197
RDUTrentonJuly 10 to July 12$245
CLTTrentonJuly 11 to July 28$260
ATLTrentonJuly 11 to July 18$264
ORDTrentonJuly 11 to August 31$274
ORDTrentonJuly 11 to August 31$274
MCOTrentonJuly 11 to July 29$282
DTWTrentonJuly 12 to July 29$311
PBITrentonJuly 11 to July 13$440
FLLTrentonJuly 10 to July 11$577
*Prices include taxes and fees

Best Mercer County Flight and Hotel Packages

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

Radio Hotel

Sep 10 - Sep 14

4 night stay

Atlanta (ATL) to New York (JFK)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,174, price is now $587 per person
$587
per person
found 1 day ago
2 bedroom luxury Empire State VIEW
2.0-star property

2 bedroom luxury Empire State VIEW

Jul 13 - Jul 15

2 night stay

Dallas (DFW) to New York (JFK)

American Airlines • Coach

New York (JFK) to Dallas (DFW)

Frontier Airlines • Coach
Save 100% on your flight
Price was $2,694, price is now $1,362 per person
$1,362
per person
found 8 hours ago
Placemakr Wall Street
4.0-star property

Placemakr Wall Street

Sep 10 - Sep 14

4 night stay

Atlanta (ATL) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,177, price is now $651 per person
$651
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.
8.8/10 Excellent! (1,321 reviews)
"Staff was friendly, room was clean, we enjoyed our stay."

Reviewed on Jul 6, 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 Swaminarayan Akshardham and Randy Now's Man Cave are located nearby.
8.4/10 Very Good! (1,006 reviews)
"Good for family, I have two kids, they love to stay Holyday Inn."

Reviewed on Jul 6, 2026

Opens in a new windowHoliday Inn East Windsor - Cranbury Area by IHG
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 Swaminarayan Akshardham and Twin Rivers Branch are located nearby.
7.2/10 Good! (1,007 reviews)
"Nice and clean"

Reviewed on Jul 6, 2026

Opens in a new windowWindsor Hotel
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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 breakfast (surcharge), room service, and a 24-hour fitness center. Our guests praise the helpful staff in our reviews. Popular attractions Palmer Square and Princeton Public Library are located nearby.
8.8/10 Excellent! (977 reviews)
"Tremendous staff"

Reviewed on Jul 6, 2026

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 $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 $577 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.