How much should you expect to spend for a flight from Trenton to Louisville?

Flight prices from Trenton Mercer to Louisville change depending on demand and time of booking.

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Are there multiple airports in Trenton Mercer and Louisville?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Trenton Mercer: Only Trenton Mercer operates in this city.
• Airports in Louisville: Louisville - Standiford Field is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Filter and compare flights from Trenton to Louisville

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Other popular destinations

Want more ideas for your trip to United States? Check these: Atlanta, Los Angeles, Miami, New York City, Orlando.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.