$96 Cheap Frontier Airlines flights West Palm Beach (PBI) to Trenton (TTN)

View $96 flight on Wed, Apr 8, 2026Opens in a new window

$96 Cheap Frontier Airlines flights West Palm Beach (PBI) to Trenton (TTN)

Prices were available within the past 7 days and start at $96 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Apr 8 - Sun, Apr 12
PBI
West Palm Beach
TTN
Trenton
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Apr 8 from West Palm Beach to Trenton, returning Sun, Apr 12, priced at $177 found 1 hour ago
Frontier Airlines
Thu, Apr 2 - Sat, Apr 11
PBI
West Palm Beach
TTN
Trenton
$215 Roundtrip, found 5 days ago
$215
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Apr 2 from West Palm Beach to Trenton, returning Sat, Apr 11, priced at $215 found 5 days ago
Frontier Airlines
Fri, Apr 10 - Sat, Apr 11
PBI
West Palm Beach
TTN
Trenton
$221 Roundtrip, found 6 days ago
$221
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Apr 10 from West Palm Beach to Trenton, returning Sat, Apr 11, priced at $221 found 6 days ago
Frontier Airlines
Tue, Apr 7 - Sun, Apr 12
PBI
West Palm Beach
TTN
Trenton
$226 Roundtrip, found 1 day ago
$226
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Apr 7 from West Palm Beach to Trenton, returning Sun, Apr 12, priced at $226 found 1 day ago
Frontier Airlines
Fri, Apr 3 - Wed, Apr 8
PBI
West Palm Beach
TTN
Trenton
$236 Roundtrip, found 5 days ago
$236
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Apr 3 from West Palm Beach to Trenton, returning Wed, Apr 8, priced at $236 found 5 days ago
Frontier Airlines
Wed, Apr 8 - Thu, Apr 9
PBI
West Palm Beach
TTN
Trenton
$241 Roundtrip, found 16 hours ago
$241
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Wed, Apr 8 from West Palm Beach to Trenton, returning Thu, Apr 9, priced at $241 found 16 hours ago

Alternative airports near Trenton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Mercer TTN. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $362
TTN
Mercer
CheapestClosest
Average driving time to city center10 min
Flights from $362
Flights from West Palm Beach (PBI) to Trenton (TTN)
Origin airport
Palm Beach Intl.
Destination airport
Mercer
Airlines serving
American Airlines, Frontier Airlines
Popular airline
American Airlines
Distance
986 mi

Frequently asked questions

How much is a Frontier Airlines flight from Palm Beach Intl. Airport (PBI) to Mercer Airport (TTN)?
Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Frontier Airlines round-trip flights from $177 from PBI to TTN. Affordable one-way fares from $96 are also available.**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.
What is the cheapest month to fly from PBI to TTN with Frontier Airlines?
February is one of the most affordable months to fly to Trenton with Frontier Airlines. You could also find great deals on return and one-way fares in January.
What is the cheapest time to book flights from Palm Beach Intl. Airport (PBI) to Mercer Airport (TTN) with Frontier Airlines?
Begin your search one to three months ahead of your departure date to score cheaper fares on Frontier Airlines flights from Palm Beach Intl. Airport (PBI) 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.* Get your timing spot on, 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.
Does Frontier Airlines fly nonstop from Palm Beach Intl. Airport (PBI) to Mercer Airport (TTN)?
Use our "Nonstop" filter when looking for direct Frontier Airlines flights from PBI to TTN. You'll also be able to compare other airlines offering the same nonstop trip.
What is the earliest Frontier Airlines flight from PBI to TTN?
Sort your results by "Early Morning" and "Morning" to find the earliest departures from PBI to TTN. Heading off early means flight cancellations are less likely.**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.
What airports does Frontier Airlines fly into in Trenton?
Take a Frontier Airlines flight from Palm Beach Intl. Airport (PBI) to Trenton, and you'll most likely land at Mercer Airport (TTN). This is the airline's primary hub here.
Why fly with Frontier Airlines from PBI to TTN?
A rewarding loyalty program and the opportunity to collect points through Frontier Miles are the start of the reasons to leave from PBI to TTN with Frontier Airlines. Plus, when you sign up to Expedia's free One Key™ program, you can earn OneKeyCash™* alongside Frontier Airlines's loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Palm Beach Intl. Airport (PBI) to Mercer Airport (TTN)?
Depending on your fare type, a fee generally applies if you modify or cancel your flight more than 24 hours after confirmation. To find flexible fares, select our "No cancel fee" or "Changes included" filter when looking for flights. For more details on changing or canceling your reservation, go to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.