$91 Cheap Flights from Buffalo (BUF) to Trenton (TTN)

View $91 flight on Sat, Oct 25, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Trenton–Mercer Airport (TTN)

Cheap Flights from Buffalo to Trenton (BUF-TTN)

Prices were available within the past 7 days and start at $91 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Nov 3 - Thu, Nov 6
BUF
Buffalo
TTN
Trenton
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Buffalo to Trenton, returning Thu, Nov 6, priced at $244 found 4 days ago
Frontier Airlines
Fri, Sep 12 - Sun, Sep 14
BUF
Buffalo
TTN
Trenton
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Sep 12 from Buffalo to Trenton, returning Sun, Sep 14, priced at $282 found 2 days ago
Frontier Airlines
Mon, Nov 3 - Thu, Nov 6
BUF
Buffalo
TTN
Trenton
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Buffalo to Trenton, returning Thu, Nov 6, priced at $289 found 4 days ago
Frontier Airlines
Thu, Sep 4 - Sun, Sep 7
BUF
Buffalo
TTN
Trenton
$303 Roundtrip, found 7 hours ago
$303
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, Sep 4 from Buffalo to Trenton, returning Sun, Sep 7, priced at $303 found 7 hours ago
Frontier Airlines
Fri, Oct 31 - Sun, Nov 2
BUF
Buffalo
TTN
Trenton
$307 Roundtrip, found 6 days ago
$307
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Buffalo to Trenton, returning Sun, Nov 2, priced at $307 found 6 days ago
Frontier Airlines
Thu, Sep 4 - Mon, Sep 8
BUF
Buffalo
TTN
Trenton
$317 Roundtrip, found 5 days ago
$317
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Sep 4 from Buffalo to Trenton, returning Mon, Sep 8, priced at $317 found 5 days ago
Frontier Airlines
Fri, Sep 5 - Sun, Sep 7
BUF
Buffalo
TTN
Trenton
$319 Roundtrip, found 16 hours ago
$319
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Fri, Sep 5 from Buffalo to Trenton, returning Sun, Sep 7, priced at $319 found 16 hours ago
Frontier Airlines
Thu, Aug 21 - Sun, Aug 24
BUF
Buffalo
TTN
Trenton
$320 Roundtrip, found 6 days ago
$320
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Buffalo to Trenton, returning Sun, Aug 24, priced at $320 found 6 days ago
Frontier Airlines
Thu, Sep 18 - Mon, Sep 22
BUF
Buffalo
TTN
Trenton
$324 Roundtrip, found 6 days ago
$324
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Buffalo to Trenton, returning Mon, Sep 22, priced at $324 found 6 days ago
American Airlines
Wed, Oct 22 - Sat, Oct 25
BUF
Buffalo
TTN
Trenton
$337 Roundtrip, found 1 hour ago
$337
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Oct 22 from Buffalo to Trenton, returning Sat, Oct 25, priced at $337 found 1 hour ago

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 $666
TTN
Mercer
CheapestClosest
Average driving time to city center10 min
Flights from $666
Flights from Buffalo (BUF) to Trenton (TTN)
Origin airport
Buffalo Niagara Intl.
Destination airport
Mercer
Airlines serving
American Airlines, Frontier Airlines
Roundtrip price
$243
Distance
273 mi

Buffalo to Trenton Flights

The cheapest times to fly from Buffalo 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 Buffalo to Trenton are during the month of November. You can find some of the cheapest flights from Buffalo to Trenton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Trenton

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Trenton in 2025. You can also book with separate airlines for your outbound and return journeys, from $91 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 Buffalo 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 Buffalo 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.

 

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN) cost?
Get a cheap one-way flight from $91 or cheap return flight from $244 from Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN)?
November is the most affordable month to fly from BUF to TTN. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN)?
To find the cheapest airline that'll fly you from BUF to TTN, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN)?
Nonstop flights from Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to TTN?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN)?
To avoid potential delays on the Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN) route, fly before 3 PM. Departures after this time have a 22% higher chance of being 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 Buffalo Niagara Intl. Airport (BUF)?
Hop on a direct flight from Buffalo Niagara Intl. Airport (BUF) to Trenton and come in for landing at any one of these hubs:

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

Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN) last-minute?
Last-minute bookings from BUF to TTN are usually more expensive. For the cheapest rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a BUF to TTN flight and hotel package?
Compared with arranging flights and hotels separately, booking a BUF to TTN flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Mercer Airport (TTN)?
If you reserved your BUF 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 fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.