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$106+ Cheap flights from Trenton, NJ to Indianapolis (TTN - IND)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — IND
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Trenton to Indianapolis

Cheapest flights from Trenton to Indianapolis
Explore the most affordable flight options available from Trenton to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:10 amTTN - IND
1 stop10h 00mFrontier
Mon 1/55:05 pmIND - TTN
1 stop6h 54mFrontier
Deal found 12/15$213
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:10 amTTN - IND
1 stop10h 00mFrontier
Thu 1/15:06 pmIND - TTN
1 stop6h 53mFrontier
Deal found 12/15$238
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:10 amTTN - IND
1 stop10h 01mFrontier
Mon 1/55:05 pmIND - TTN
1 stop6h 54mFrontier
Deal found 12/15$292
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:10 amTTN - IND
1 stop10h 01mFrontier
Thu 1/15:06 pmIND - TTN
1 stop6h 53mFrontier
Deal found 12/15$317
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:10 amTTN - IND
1 stop10h 00mFrontier
Sun 1/45:06 pmIND - TTN
1 stop6h 53mFrontier
Deal found 12/15$393
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:10 amTTN - IND
1 stop10h 01mFrontier
Mon 12/225:05 pmIND - TTN
1 stop6h 54mFrontier
Deal found 12/15$477
This Mytrip deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:59 pmTTN - IND
1 stop18h 22mFrontier
Sat 1/39:43 pmIND - TTN
1 stop26h 16mFrontier
Deal found 12/15$621
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:10 amTTN - IND
1 stop10h 00mFrontier
Tue 12/235:06 pmIND - TTN
1 stop6h 53mFrontier
Deal found 12/15$632
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:10 amTTN - IND
1 stop10h 00mFrontier
Sun 12/285:06 pmIND - TTN
1 stop6h 53mFrontier
Deal found 12/15$652
This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:59 pmTTN - IND
1 stop18h 12mFrontier
Mon 12/225:05 pmIND - TTN
1 stop6h 54mFrontier
Deal found 12/16$662
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:10 amTTN - IND
1 stop10h 01mFrontier
Tue 12/235:06 pmIND - TTN
1 stop6h 53mFrontier
Deal found 12/15$666
This Frontier deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:10 amTTN - IND
1 stop10h 01mFrontier
Sun 12/285:06 pmIND - TTN
1 stop6h 53mFrontier
Deal found 12/16$686

Find flight deals from Trenton to Indianapolis

Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to Indianapolis (IND). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$145
(Frontier)

One-way from

$106
(Mytrip)

Popular in

October

Cheapest in

February

Average price

$299
Provider with most accurate pricing for Trenton-Mercer-Indianapolis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trenton-Mercer-Indianapolis flights.
Search Deals
From Trenton-Mercer to Indianapolis
Search Deals
One-way flight from Trenton-Mercer to Indianapolis
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to Indianapolis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Trenton to Indianapolis that are best for you.

Fly from

Trenton

Fly to

Indianapolis

Route

Depart

Return

Price

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Thu 1/22

12:04 pm-7:36 pm

1 stop7h 32m

Indianapolis

Sat 1/24

8:01 pm-8:36 am

1 stop12h 35m

$145

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Thu 1/8

2:32 pm-12:46 pm

1 stop22h 14m

Indianapolis

Mon 1/12

1:41 pm-11:35 pm

1 stop9h 54m

$196

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Mon 12/29

6:10 am-4:10 pm

1 stop10h 00m

Indianapolis

Mon 1/5

5:05 pm-11:59 pm

1 stop6h 54m

$213

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Fri 2/20

8:51 am-10:03 pm

1 stop13h 12m

Indianapolis

Sat 2/21

11:06 am-11:39 pm

1 stop12h 33m

$218

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Mon 12/29

6:10 am-4:10 pm

1 stop10h 00m

Indianapolis

Thu 1/1

5:06 pm-11:59 pm

1 stop6h 53m

$238

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Tue 12/30

6:10 am-4:11 pm

1 stop10h 01m

Indianapolis

Mon 1/5

5:05 pm-11:59 pm

1 stop6h 54m

$292

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Tue 12/30

6:10 am-4:11 pm

1 stop10h 01m

Indianapolis

Thu 1/1

5:06 pm-11:59 pm

1 stop6h 53m

$317

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Thu 1/1

6:10 am-4:21 pm

1 stop10h 11m

Indianapolis

Mon 1/5

5:05 pm-11:59 pm

1 stop6h 54m

$342

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Thu 2/12

10:26 am-9:14 pm

1 stop10h 48m

Indianapolis

Sun 2/15

10:48 pm-7:47 am

1 stop8h 59m

$361

TrentonIndianapolis

TTN - IND

TTNIND

Trenton-Mercer

Thu 3/26

6:00 am-6:28 pm

1 stop12h 28m

Indianapolis

Thu 4/9

5:06 pm-11:59 pm

1 stop6h 53m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 results
1
2

Compare providers for flights from Trenton to Indianapolis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Trenton to Indianapolis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Trenton, New Jersey-Indianapolis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Trenton, New Jersey-Indianapolis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Trenton, New Jersey-Indianapolis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trenton, New Jersey-Indianapolis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Trenton, New Jersey-Indianapolis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Trenton to Indianapolis

Have a flexible travel schedule? Discover the best time to fly to Indianapolis from Trenton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trenton to Indianapolis

What is the cheapest month to book a flight from Trenton, New Jersey to Indianapolis?

Currently, March is the cheapest month in which you can book a flight from Trenton, New Jersey to Indianapolis (average of $53). Flying from Trenton, New Jersey to Indianapolis in September is currently the most expensive (average of $95). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Trenton to Indianapolis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Trenton, New Jersey to Indianapolis?

    There are many flights that can get you from Trenton, New Jersey to Indianapolis in 7h 32m. Fly via Frontier to get the fastest option. The distance between Trenton, New Jersey and Indianapolis is about 608 mi.

  • Can I find deals for flights from Trenton to Indianapolis that include hotel bookings?

    Yes. In addition to deals on Trenton to Indianapolis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trenton to Indianapolis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trenton to Indianapolis.

  • Can I find deals for business class flights from Trenton to Indianapolis?

    Yes. Cheapflights offers flight deals from Trenton to Indianapolis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trenton, New Jersey to Indianapolis?

    Currently, March is the cheapest month in which you can book a flight from Trenton, New Jersey to Indianapolis (average of $53). Flying from Trenton, New Jersey to Indianapolis in September is currently the most expensive (average of $95). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Indianapolis?

Book flights to Indianapolis if you plan to visit one of these locations
Terre Haute
Muncie
Noblesville
Fishers
Greenwood
Plainfield
Anderson
Kokomo
Franklin
Carmel
Crawfordsville
Bloomington
Speedway

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