$39 Cheap flights to Mercer County

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Top places to visit in Mercer County

A large white house with a grey roof, surrounded by lush green grass and trees.
FlightsFlights
FlightsFlights

Princeton

Princeton
A historic building with classical architecture, including columns and ornate details.
FlightsFlights
FlightsFlights

Trenton

Trenton

Cheap flights to Mercer County from $39 One Way, $78 Round Trip

$78 return flights and $39 one-way flights to Mercer County were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 10 - Sun, Sep 13
FLL
Fort Lauderdale
TTN
Trenton
$78 Roundtrip, found 1 hour ago
$78
Roundtrip
found 1 hour ago
Select Allegiant Air flight, departing Thu, Sep 10 from Fort Lauderdale to Trenton, returning Sun, Sep 13, priced at $78 found 1 hour ago
Sun, Sep 6 - Sun, Sep 13
FLL
Fort Lauderdale
TTN
Trenton
$83 Roundtrip, just found
$83
Roundtrip
just found
Select Allegiant Air flight, departing Sun, Sep 6 from Fort Lauderdale to Trenton, returning Sun, Sep 13, priced at $83 just found
Sun, Sep 13 - Thu, Sep 17
FLL
Fort Lauderdale
TTN
Trenton
$88 Roundtrip, found 4 hours ago
$88
Roundtrip
found 4 hours ago
Select Allegiant Air flight, departing Sun, Sep 13 from Fort Lauderdale to Trenton, returning Thu, Sep 17, priced at $88 found 4 hours ago
Thu, Sep 3 - Thu, Sep 17
FLL
Fort Lauderdale
TTN
Trenton
$93 Roundtrip, found 4 hours ago
$93
Roundtrip
found 4 hours ago
Select Allegiant Air flight, departing Thu, Sep 3 from Fort Lauderdale to Trenton, returning Thu, Sep 17, priced at $93 found 4 hours ago
Sun, Oct 11 - Sun, Oct 18
FLL
Fort Lauderdale
TTN
Trenton
$94 Roundtrip, found 22 hours ago
$94
Roundtrip
found 22 hours ago
Select Allegiant Air flight, departing Sun, Oct 11 from Fort Lauderdale to Trenton, returning Sun, Oct 18, priced at $94 found 22 hours ago
Sun, Oct 25 - Thu, Oct 29
FLL
Fort Lauderdale
TTN
Trenton
$99 Roundtrip, found 5 hours ago
$99
Roundtrip
found 5 hours ago
Select Allegiant Air flight, departing Sun, Oct 25 from Fort Lauderdale to Trenton, returning Thu, Oct 29, priced at $99 found 5 hours ago

Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
PIETrentonAugust 8 to August 12$159
FLLTrentonAugust 9 to August 20$198
RDUTrentonAugust 7 to August 11$230
MCOTrentonAugust 8 to August 26$248
CLTTrentonAugust 8 to August 11$268
DTWTrentonAugust 7 to September 16$274
ATLTrentonAugust 8 to August 10$282
PBITrentonAugust 8 to August 15$321
ORDTrentonAugust 8 to August 11$331
ORDTrentonAugust 8 to August 11$331
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Mercer County Accommodation Deals

Hyatt Regency Princeton

Hyatt Regency Princeton

4 out of 5
102 Carnegie Ctr Princeton NJ
Fully refundableReserve now, pay when you stay
$144 nightly
The price is $165 total per night from Aug 14 to Aug 15
$165 total
Aug 14 - Aug 15
Total with taxes and fees
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 ...
8.8/10 Excellent! (1,358 reviews)
"Loved the pool, clean, location and the staff was very helpful."

Reviewed on Aug 1, 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
Fully refundable
$87 nightly
The price is $100 total per night from Sep 1 to Sep 2
$100 total
Sep 1 - Sep 2
Total with taxes and fees
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. ...
8.6/10 Excellent! (1,005 reviews)
"Clean room"

Reviewed on Jul 31, 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
Fully refundableReserve now, pay when you stay
$114 nightly
The price is $131 total per night from Aug 2 to Aug 3
$131 total
Aug 2 - Aug 3
Total with taxes and fees
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 ...
8.4/10 Very Good! (1,003 reviews)
"The staff was polite and helpful. The property was very clean and rooms were well stocked with stuff. The only thing i felt missing was an electric kettle. Although there was a small machine to get boiled water sufficient for a cup. You do need a cab to get to Princeton University area. It is not ..."

Reviewed on Aug 1, 2026

Opens in a new windowHyatt Place Princeton
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
Windsor Hotel

Windsor Hotel

2 out of 5
460 Route 33 E Hightstown NJ
Fully refundableReserve now, pay when you stay
$82 nightly
The price is $94 total per night from Aug 9 to Aug 10
$94 total
Aug 9 - Aug 10
Total with taxes and fees
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. ...
7.2/10 Good! (1,003 reviews)
"The hotel will be changing the brand and will be under new management. In the meantime the lobby is empty, no chairs or sofa to sit on while you wait to check in, some of the floor tiles are missing. Vending machines are available for food and beverages and there is a new Grill establishment. Minimal ..."

Reviewed on Jul 31, 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.

Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 5 people
Jeep Compass
SUV Jeep Compass

Mercer County

Finding cheap flights to Mercer County is easy when you have Orbitz at your fingertips. Not only does Orbitz offer great deals on Mercer County flights, but we also include some special extras to make booking a breeze. Just check out our:

Mobile Site and Apps

With Orbitz’s mobile site, m.orbitz.com, you can book your flights to Mercer County through your smartphone or tablet’s Web browser. Plus, our free downloadable apps for Android and iPhone mean it’s just a simple click to access your flight updates and alerts. You can even book exclusive mobile-only deals on hotels to go with your flights to Mercer County—even on the same day.

Pick and Choose or Book Full Vacation Packages

Don’t just be satisfied with great deals on Mercer County flights—go for the full package! With Orbitz, you can also find fantastic savings on the perfect hotel, car rental, cruise, and even activities, so you don’t waste your trip waiting in line but have the time to enjoy your trip. Pick and choose the add-ons you need, or book an entire vacation package for greater overall discounts.

Rewards That Are Miles Better

Booking directly with an airline earns you air miles or points, and you can get those same rewards with booking on Orbitz too. When you book qualifying flights to Mercer County with Orbitz, just add in your frequent flyer number during your online booking and your details will be sent to your program.

Great Deals Every Day

Add in our extra savings on packages, free nights, and other discounts, and you know you are in good hands.

Frequently asked questions

What is the best airport to fly to in Mercer County?
There's one major entry point for this region — Mercer Airport (TTN). Book your flights to this popular gateway and experience all that Mercer County has to offer.
How much is a flight to Mercer County?
This past week, prices ranged between $78 and $331 for a return flight to Mercer County. One-way fares departing from Fort Lauderdale (FLL) sank to $39 over the same period.
How to book the cheapest flight to Mercer County?
With Orbitz, you'll find some of the most exciting flight deals around from a big range of airlines. But if you want to increase your likelihood of booking cheap flights to Mercer County, here are some tips to get started:

  • Consider departing from or arriving at nearby airports to save on your airfare. Enter your preferred departure and arrival points in the form fields, then click on the 'Nearby airports' function below. It will list your options, if any.
  • Similarly, click on the 'Show flexible dates' link to see the prices on days either side of your selected departure. You may be able to score cheaper flight deals if you're flexible with your dates.
  • You can also use the 'Show options' link to filter results for your preferred airline, seating class, nonstop flights and refundable flights. Under 'Sort & Filter' to the left, you can even choose the time of day you'd like to fly.
  • Lock in your airfare as soon as you know your travel dates. While you can get lucky once in a while, airline tickets rarely drop in price as your departure date nears.
  • Combine your flights, hotels and car rental into a package deal and enjoy discounts. Save your dollars for things you're really excited about, like exploring every corner of Mercer County.
  • Flying during the busy season often means expensive airfares. Try to vacation outside of popular dates, such as Thanksgiving, New Year's Eve and Easter.

How long is a flight to Mercer County?
The United States is big, so that depends on which airport you're departing from. To make things easy, we've selected three of the main routes to Mercer County and worked out their average flight times:

  • 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 6 minutes
  • Fort Lauderdale, FL (FLL-Fort Lauderdale - Hollywood Intl.) to Mercer Airport (TTN) - 2 hours and 48 minutes

What is the best time to book a flight to Mercer County?
Book in January, February or August for the lowest airfares to Mercer County. Once you've found a bargain, lock it in — cheap flights tend to appear and then vanish at the tap of a button.
What day of the week is the cheapest to book a flight to Mercer County?
To find a fantastic flight deal, book on a Tuesday, Wednesday or Saturday. Usually, these are the cheapest days to purchase seats to Mercer County.
What is the cheapest day of the week to fly to Mercer County?
You can grab cheap flights to Mercer County by flying out on a Monday, according to Orbitz data from 2020. Tuesday is also more affordable, while Saturday has the most expensive ticket prices. Whether you prefer to save money or fly out on any day that's convenient, you'll always find a terrific deal with Orbitz.
What is the cheapest month to fly to Mercer County?
If you have some flexibility with your travel dates, think about departing sometime in August. Orbitz data shows that this is generally the best month to take off if you're after cheap flights to Mercer County. As you would imagine, airfares rise in June and flights book out fast.
Which airlines allow free cancellation?
We understand that plans can change and flexibility is important. That's why you can search for flights that have free cancellation and no change fees on Orbitz. Simply click on "Filter by flexible change policies" and we'll show you fares more flexible than a crayon left in the sun!
What do I need for the flight to Mercer County?
Whether you're a regular flyer or you're new to the skies, you can never be too organized when you travel. Here are several things to take into account:

  • Travel documents such as e-tickets and identification are essential. To avoid any last-minute delays when you check in, make sure your booking is made with the exact name, birth date and gender as listed on your current ID.
  • A properly packed carry-on bag is just the ticket for a great flight experience. Given your flight to Mercer County is no short hop, take enough snacks and activities to keep you happy. Something to read is sure to help the hours pass.
  • No matter what the season is at your destination, plane cabins (and airports) are often quite cool. Carry a sweater with you on your journey to stay warm and comfy.

How do I get cheap first-class/business deals to Mercer County?
If you think a first or business-class airfare is out of your reach, you may want to think again. Here are just a few tips to help you land a premium flight to Mercer County for less:

  • Flexibility isn't confined to yoga. Have some room to move around your travel dates so you can pick up more affordable airfares when a big sale drops.
  • Find a low-cost airline that offers business-class seats. They often come with extra legroom and a glass of Champagne — and a nicer price.
  • Bid for an upgrade in online auctions or upgrade your fare with loyalty points.

What is the best time to go to Mercer County?
Mercer County is a lively place in March, July and August. If you're planning to visit during these months, it would be a good idea to book in advance to ensure you nab the best deals. Want to know what summertime's like in Mercer County? Average daily temperatures typically range between 65 ºF and 80 ºF. Like most of the Northern Hemisphere, summer begins June 20 here.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.