$60 Cheap Flights from Raleigh (RDU) to Trenton (TTN)

View $60 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Trenton–Mercer Airport (TTN)

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Cheap Flights from Raleigh to Trenton (RDU-TTN)

Prices were available within the past 7 days and start at $60 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 8 - Mon, Jan 12
RDU
Raleigh
TTN
Trenton
$110 Roundtrip, found 18 hours ago
$110
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Raleigh to Trenton, returning Mon, Jan 12, priced at $110 found 18 hours ago
Frontier Airlines
Mon, Jan 26 - Thu, Feb 5
RDU
Raleigh
TTN
Trenton
$120 Roundtrip, found 2 days ago
$120
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Jan 26 from Raleigh to Trenton, returning Thu, Feb 5, priced at $120 found 2 days ago
Frontier Airlines
Thu, Jan 8 - Mon, Jan 12
RDU
Raleigh
TTN
Trenton
$130 Roundtrip, found 18 hours ago
$130
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Raleigh to Trenton, returning Mon, Jan 12, priced at $130 found 18 hours ago
American Airlines
Sat, Jan 10 - Tue, Jan 13
RDU
Raleigh
TTN
Trenton
$139 Roundtrip, found 13 hours ago
$139
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sat, Jan 10 from Raleigh to Trenton, returning Tue, Jan 13, priced at $139 found 13 hours ago
Frontier Airlines
Mon, Jan 26 - Wed, Feb 4
RDU
Raleigh
TTN
Trenton
$140 Roundtrip, found 2 days ago
$140
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Jan 26 from Raleigh to Trenton, returning Wed, Feb 4, priced at $140 found 2 days ago
American Airlines
Sat, Dec 13 - Sat, Jan 10
RDU
Raleigh
TTN
Trenton
$149 Roundtrip, found 2 days ago
$149
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from Raleigh to Trenton, returning Sat, Jan 10, priced at $149 found 2 days ago
American Airlines
Thu, Dec 4 - Sun, Dec 7
RDU
Raleigh
TTN
Trenton
$159 Roundtrip, found 12 hours ago
$159
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Raleigh to Trenton, returning Sun, Dec 7, priced at $159 found 12 hours ago
Frontier Airlines
Tue, Mar 3 - Wed, Mar 4
RDU
Raleigh
TTN
Trenton
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Mar 3 from Raleigh to Trenton, returning Wed, Mar 4, priced at $160 found 2 days ago
Frontier Airlines
Thu, Dec 11 - Sun, Dec 14
RDU
Raleigh
TTN
Trenton
$163 Roundtrip, found 4 days ago
$163
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Raleigh to Trenton, returning Sun, Dec 14, priced at $163 found 4 days ago
American Airlines
Thu, Dec 11 - Mon, Dec 15
RDU
Raleigh
TTN
Trenton
$168 Roundtrip, found 17 hours ago
$168
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Dec 11 from Raleigh to Trenton, returning Mon, Dec 15, priced at $168 found 17 hours ago

Find the cheapest month to fly from Raleigh (RDU) to Trenton (TTN)

February is typically the cheapest month to fly

From $120 - $599 per traveler.

Alternative airports near Trenton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Mercer TTN. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $300
TTN
Mercer
CheapestClosest
Average driving time to city center10 min
Flights from $300

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN) cost?
Grab a cheap one-way flight from $60 or cheap return flight from $110 from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN)?
Traveling in January is a good way to save, as it's the cheapest month for flights between RDU and TTN. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest RDU to TTN flight.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN)?
There aren't any daily nonstop flights from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from RDU to TTN?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from RDU to TTN?
With 94% of flights typically arriving on time, Frontier Airlines has the best on-time performance for direct flights from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN). To keep track of your flight status and get notified if anything changes, simply head to the Expedia App.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN)?
Select a flight from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Trenton from Raleigh - Durham Intl. Airport (RDU)?
You can touch down at any one of these Trenton airports following your direct flight from Raleigh - Durham Intl. Airport (RDU):

  • LaGuardia Airport (LGA)
  • Liberty Intl. Airport (EWR)
  • Philadelphia Intl. Airport (PHL)

Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN) last-minute?
Waiting until just before your trip to book your flight from RDU to TTN often results in higher prices. While it's possible to find some last-minute deals, there's no guarantee. Be flexible with your travel plans to maximize your chances of landing a bargain.
Is it cheaper to book a RDU to TTN flight and hotel package?
Booking a RDU to TTN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Mercer Airport (TTN)?
If you reserved your RDU to TTN flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Mercer
Airlines serving
American Airlines, Frontier Airlines
Roundtrip price
$110
Distance
372 mi

Book with confidence

Raleigh to Trenton Flights

The cheapest times to fly from Raleigh to Trenton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to Trenton are during the month of January. You can find some of the cheapest flights from Raleigh to Trenton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to Trenton

Sunday is one of the best days to book for cheap flights from Raleigh to Trenton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Raleigh to Trenton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to Trenton in 2025. You can also book with separate airlines for your outbound and return journeys, from $60 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to Trenton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to Trenton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Raleigh to Trenton Flights

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