$49 Cheap Frontier Airlines flights Tampa (TPA) to Trenton (TTN)

Scoring cheap one-way Frontier Airlines flights from TPA to TTN from $49 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $98 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

February is one of the least expensive months to jet off to Trenton with Frontier Airlines. You could also find fantastic deals on return and one-way tickets in January.

Start searching one to three months ahead of your departure date to get cheap fares on Frontier Airlines flights from Tampa Intl. Airport (TPA) to Mercer Airport (TTN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use our “Nonstop” filter when searching for direct Frontier Airlines flights from TPA to TTN. It’s also an easy way to compare other carriers servicing the same nonstop trip.

To find the earliest departure from TPA to TTN with Frontier Airlines, filter your results by “Early Morning” and “Morning.” Choosing an early flight usually means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Frontier Airlines flights from Tampa Intl. Airport (TPA) to Trenton arrive at Mercer Airport (TTN). This is the main gateway to this city.

With a rewarding loyalty program, Frontier Airlines is a favorite of many passengers flying from TPA to TTN. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of ticket you purchased, a fee may apply if you cancel or change your flight more than 24 hours after it’s been confirmed. To find flexible fares, select our “No cancel fee” or “Changes included” filter while searching for flights. For additional information on changing or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”