Cheap Flights from Trenton (TTN) to Louisville (LOU)

Popular airlines from Trenton–Mercer Airport (TTN) to Louisville, KY (LOU-Bowman Field)

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Frequently asked questions

How much does a flight from Mercer Airport (TTN) to Bowman Field Airport (LOU) cost?
Grab a cheap one-way flight or cheap return flight from Mercer Airport (TTN) to Bowman Field Airport (LOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Mercer Airport (TTN) to Bowman Field Airport (LOU)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between TTN and LOU. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Mercer Airport (TTN) to Bowman Field Airport (LOU)?
To find the cheapest airline that'll fly you from TTN to LOU, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat 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 Bowman Field Airport (LOU)?
Nonstop flights from Mercer Airport (TTN) to Bowman Field Airport (LOU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TTN to LOU?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, time of year 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 Bowman Field Airport (LOU)?
To land at Bowman Field Airport (LOU) on schedule, opt for a flight that leaves Mercer Airport (TTN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Bowman Field Airport (LOU) last-minute?
Last-minute fares from TTN to LOU are typically more expensive. For the cheapest rates, start looking for flights as soon as possible. That said, if you're flexible with your travel plans, you may land a cheap ticket right before your journey.
Is it cheaper to book a TTN to LOU flight and hotel package?
Compared with arranging hotels and flights separately, booking a TTN to LOU flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Mercer Airport (TTN) to Bowman Field Airport (LOU)?
In most instances, you're able to cancel or reschedule your TTN to LOU flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Origin airport
Mercer
Destination airport
Bowman Field
Distance
597 mi

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Trenton to Louisville Flights

The cheapest times to fly from Trenton to Louisville

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

 

The best time to book a flight from Trenton to Louisville

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

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 Louisville in 2025. 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 Louisville 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 Louisville 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 Louisville Flights

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*Available to One Key members.