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.

Sat, Oct 3 - Sat, Oct 10
MCO
Orlando Intl.
TTN
Mercer
$68 Roundtrip, found 4 days ago
$68
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Oct 3 from Orlando Intl. to Mercer, returning Sat, Oct 10, priced at $68 found 4 days ago
Sat, Oct 24 - Sat, Nov 14
MCO
Orlando Intl.
TTN
Mercer
$83 Roundtrip, found 4 days ago
$83
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Oct 24 from Orlando Intl. to Mercer, returning Sat, Nov 14, priced at $83 found 4 days ago
Thu, Jan 7 - Sun, Jan 10
PIE
St. Petersburg-Clearwater Intl.
TTN
Mercer
$83 Roundtrip, found 1 day ago
$83
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Jan 7 from St. Petersburg-Clearwater Intl. to Mercer, returning Sun, Jan 10, priced at $83 found 1 day ago
Sat, Dec 5 - Sat, Dec 12
MCO
Orlando Intl.
TTN
Mercer
$84 Roundtrip, found 6 days ago
$84
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Dec 5 from Orlando Intl. to Mercer, returning Sat, Dec 12, priced at $84 found 6 days ago
Sat, Oct 10 - Sat, Oct 17
MCO
Orlando Intl.
TTN
Mercer
$93 Roundtrip, found 2 days ago
$93
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Oct 10 from Orlando Intl. to Mercer, returning Sat, Oct 17, priced at $93 found 2 days ago
Wed, Dec 9 - Thu, Dec 10
MCO
Orlando Intl.
TTN
Mercer
$94 Roundtrip, found 6 days ago
$94
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Dec 9 from Orlando Intl. to Mercer, returning Thu, Dec 10, priced at $94 found 6 days ago
Sat, Oct 24 - Sat, Oct 31
MCO
Orlando Intl.
TTN
Mercer
$96 Roundtrip, found 5 days ago
$96
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Oct 24 from Orlando Intl. to Mercer, returning Sat, Oct 31, priced at $96 found 5 days ago
Fri, Oct 16 - Mon, Oct 19
MCO
Orlando Intl.
TTN
Mercer
$100 Roundtrip, found 1 day ago
$100
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 16 from Orlando Intl. to Mercer, returning Mon, Oct 19, priced at $100 found 1 day ago
Thu, Oct 8 - Sat, Oct 17
MCO
Orlando Intl.
TTN
Mercer
$101 Roundtrip, found 4 days ago
$101
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Oct 8 from Orlando Intl. to Mercer, returning Sat, Oct 17, priced at $101 found 4 days ago
Sun, Oct 18 - Fri, Oct 23
TPA
Tampa Intl.
TTN
Mercer
$113 Roundtrip, found 3 days ago
$113
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Oct 18 from Tampa Intl. to Mercer, returning Fri, Oct 23, priced at $113 found 3 days ago
OriginDestinationTravel DatesFlights From*
MCOTrentonOctober 3 to October 10$68
FLLTrentonDecember 10 to December 13$83
PIETrentonNovember 1 to November 8$88
ATLTrentonOctober 30 to November 9$146
RDUTrentonNovember 11 to November 16$188
CLTTrentonDecember 9 to December 12$210
DTWTrentonOctober 31 to November 7$213
ORDTrentonDecember 10 to December 13$230
ORDTrentonDecember 10 to December 13$230
DJTTrentonOctober 2 to October 4$544
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ORDTrentonSeptember 18 to October 19$283
ORDTrentonSeptember 18 to October 19$283
FLLTrentonSeptember 20 to September 24$290
MCOTrentonSeptember 18 to October 2$299
ATLTrentonSeptember 19 to September 23$322
CLTTrentonSeptember 19 to October 4$328
RDUTrentonSeptember 18 to September 19$332
DTWTrentonSeptember 20 to September 21$380
TPATrentonSeptember 20 to September 24$422
DJTTrentonSeptember 19 to September 23$431
*Prices include taxes and fees

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.
8.6/10 Excellent! (1,000 reviews)
"Clean room"

Reviewed on Sep 15, 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 AMC MarketFair 10 and Princeton Country Club are located nearby.
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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.
9/10 Wonderful! (1,001 reviews)
"Nothing I can think of"

Reviewed on Sep 15, 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 $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 $544 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.