Cheap Flights from Trenton (TTN) to Niagara Falls (IAG)

Popular airlines from Trenton–Mercer Airport (TTN) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

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Alternative airports near Niagara Falls

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

Select flight to Buffalo Niagara Intl. BUF. Cheapest option available. Average driving time to city center is 34 minutes. Flights from $257
BUF
Buffalo Niagara Intl.
Cheapest
Average driving time to city center34 min
Flights from $257

Frequently asked questions

How much does a flight from Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG) cost?
Snag a cheap one-way flight or cheap return flight from Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG) 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 Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG)?
is the least expensive month to fly from TTN to IAG. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG)?
To find the cheapest airline that'll fly you from TTN to IAG, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG)?
You'll need to catch a flight with a layover if you're traveling from Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from TTN to IAG?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG)?
To avoid potential delays on the Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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.
Is it cheaper to buy a plane ticket from Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG) last-minute?
Booking your flight from TTN to IAG shortly before your getaway is generally more expensive. But if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a TTN to IAG flight and hotel package?
You'll typically save money by securing a TTN to IAG flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Mercer Airport (TTN) to Niagara Falls Intl. Airport (IAG)?
If you booked your TTN to IAG flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, 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
Mercer
Destination airport
Niagara Falls Intl.
Distance
288 mi

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Trenton to Niagara Falls Flights

The cheapest times to fly from Trenton to Niagara Falls

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 Trenton to Niagara Falls are during the month of . You can find some of the cheapest flights from Trenton to Niagara Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trenton to Niagara Falls

Sunday is one of the best days to book for cheap flights from Trenton to Niagara Falls: 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 Trenton to Niagara Falls

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 Trenton to Niagara Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Trenton to Niagara Falls 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 Trenton to Niagara Falls 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.

 

Trenton to Niagara Falls Flights

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