$60 Cheap Flights from Indianapolis (IND) to Trenton (TTN)

View $60 flight on Thu, Jan 22, 2026Opens in a new window

Popular airlines from Indianapolis Intl. Airport (IND) to Trenton–Mercer Airport (TTN)

Cheap Flights from Indianapolis to Trenton (IND-TTN)

Prices were available within the past 7 days and start at $60 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 13 - Sat, Nov 15
IND
Indianapolis
TTN
Trenton
$120 Roundtrip, found 4 days ago
$120
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Indianapolis to Trenton, returning Sat, Nov 15, priced at $120 found 4 days ago
Frontier Airlines
Thu, Nov 13 - Mon, Nov 17
IND
Indianapolis
TTN
Trenton
$140 Roundtrip, found 4 days ago
$140
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Indianapolis to Trenton, returning Mon, Nov 17, priced at $140 found 4 days ago
Frontier Airlines
Thu, Nov 13 - Sun, Nov 16
IND
Indianapolis
TTN
Trenton
$153 Roundtrip, found 4 days ago
$153
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Indianapolis to Trenton, returning Sun, Nov 16, priced at $153 found 4 days ago
Frontier Airlines
Sat, Dec 13 - Sun, Dec 14
IND
Indianapolis
TTN
Trenton
$179 Roundtrip, found 3 days ago
$179
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Dec 13 from Indianapolis to Trenton, returning Sun, Dec 14, priced at $179 found 3 days ago
Frontier Airlines
Fri, Nov 14 - Sun, Nov 16
IND
Indianapolis
TTN
Trenton
$186 Roundtrip, found 4 days ago
$186
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Indianapolis to Trenton, returning Sun, Nov 16, priced at $186 found 4 days ago
Frontier Airlines
Thu, Nov 6 - Sat, Nov 8
IND
Indianapolis
TTN
Trenton
$193 Roundtrip, found 5 days ago
$193
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Indianapolis to Trenton, returning Sat, Nov 8, priced at $193 found 5 days ago
Frontier Airlines
Sun, Nov 9 - Mon, Nov 17
IND
Indianapolis
TTN
Trenton
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Indianapolis to Trenton, returning Mon, Nov 17, priced at $199 found 4 days ago
Frontier Airlines
Sun, Nov 9 - Fri, Nov 14
IND
Indianapolis
TTN
Trenton
$212 Roundtrip, found 4 days ago
$212
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Indianapolis to Trenton, returning Fri, Nov 14, priced at $212 found 4 days ago
Frontier Airlines
Thu, Nov 6 - Sun, Nov 9
IND
Indianapolis
TTN
Trenton
$213 Roundtrip, found 5 days ago
$213
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Indianapolis to Trenton, returning Sun, Nov 9, priced at $213 found 5 days ago
American Airlines
Fri, Dec 12 - Mon, Dec 15
IND
Indianapolis
TTN
Trenton
$356 Roundtrip, found 2 days ago
$356
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 12 from Indianapolis to Trenton, returning Mon, Dec 15, priced at $356 found 2 days 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 $851
TTN
Mercer
CheapestClosest
Average driving time to city center10 min
Flights from $851
Flights from Indianapolis (IND) to Trenton (TTN)
Origin airport
Indianapolis Intl.
Destination airport
Mercer
Airlines serving
American Airlines
Roundtrip price
$120
Distance
608 mi

Indianapolis to Trenton Flights

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

 

The best time to book a flight from Indianapolis to Trenton

Sunday is one of the best days to book for cheap flights from Indianapolis 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 Indianapolis 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 Indianapolis 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 Indianapolis 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 Indianapolis 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 Indianapolis Intl. Airport (IND) to Mercer Airport (TTN) cost?
Lock in a cheap one-way flight from $60 or cheap return flight from $120 from Indianapolis Intl. Airport (IND) to Mercer Airport (TTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Indianapolis Intl. Airport (IND) to Mercer Airport (TTN)?
Planning your trip for November can help you save, as it's the cheapest month for flights between IND and TTN. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Indianapolis Intl. Airport (IND) to Mercer Airport (TTN)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IND to TTN flight.
How many flights per day from Indianapolis Intl. Airport (IND) to Mercer Airport (TTN)?
You'll need to hop on a flight with a layover when traveling from Indianapolis Intl. Airport (IND) to Mercer Airport (TTN). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from IND to TTN?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season 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 Indianapolis Intl. Airport (IND) to Mercer Airport (TTN)?
Select a flight from Indianapolis Intl. Airport (IND) to Mercer Airport (TTN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Indianapolis Intl. Airport (IND)?
You can arrive at any one of these Trenton airports following your direct flight from Indianapolis Intl. Airport (IND):

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

Is it cheaper to buy a plane ticket from Indianapolis Intl. Airport (IND) to Mercer Airport (TTN) last-minute?
Last-minute fares from IND to TTN are generally more expensive. To secure the best rates, start looking for flights early. That said, if your travel plans are flexible, it's possible to score a cheap fare right before your trip.
Is it cheaper to book an IND to TTN flight and hotel package?
Opting for an IND to TTN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Indianapolis Intl. Airport (IND) to Mercer Airport (TTN)?
If you reserved your IND to TTN flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket 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 if you want more information.

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*Available to One Key members.