Route guide · 609 miles
Cheap Flights from Trenton to Indianapolis
TTN → IND · Nonstop 1h 44m · Live round-trip fares
If Indianapolis is next on your list, here's the honest picture on fares from Trenton. The trip covers about 609 miles and takes roughly 1h 44m in the air. Prices on this route reward planners: booking 2–4 weeks ahead is the sweet spot, and the lowest fares tend to sell out fast.
Live fares for TTN → IND are updating. Use the search below for real-time prices.
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Updated daily
Flight time
1h 44m
Nonstop, typical
Distance
609 mi
TTN → IND
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
Frontier Airlines
Nonstop flights from Trenton to Indianapolis
Nonstop flights from Trenton to Indianapolis are flown by Frontier Airlines. The 609-mile trip takes about 1h 44m gate to gate, and nonstops are usually cheapest when booked 2–4 weeks ahead.
Booking insights: Trenton → Indianapolis
- Distance: 609 miles · nonstop flight time: 1h 44m.
- Cheapest upcoming week in the live data starts around Oct 22, with fares from $367.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- If your dates flex by a day or two, shifting to a midweek departure is the easiest saving there is.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Cheapest month · Trenton → Indianapolis
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$367
Cheapest: Sat, Oct 24 — $367
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Trenton to Indianapolis: what you need to know
The flight
The nonstop from TTN to IND runs about 1h 44m over 609 miles. It's a comfortable mid-range flight: long enough that seat choice matters a little, short enough that paying up for extras rarely does.
Airlines on this route
Frontier Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Trenton (TTN)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Trenton airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Indianapolis (IND)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Indianapolis airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Indianapolis to Trenton fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 609 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 1h 44m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
Trenton to Indianapolis flight FAQs
How long is the flight from TTN to IND?
Plan on about 1h 44m in the air for a nonstop from Trenton to Indianapolis — the route runs roughly 609 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Trenton to Indianapolis?
Frontier Airlines typically operate nonstop flights from TTN to IND. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Trenton to Indianapolis?
Travelers usually find the gentlest prices away from peak periods — think post-holiday January and the early-fall weeks. Midweek dates inside those windows are cheaper still.
How much are last minute flights from TTN to IND?
Book inside the final week and you'll usually pay a premium on TTN to IND. Fares booked 2–4 weeks ahead are almost always kinder.
What is a good round-trip deal from Trenton to Indianapolis?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Trenton to Indianapolis?
You'll mainly see Frontier Airlines on Trenton to Indianapolis. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Trenton airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
More cheap flights from Trenton
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