$203 Cheap Flights from Houston (HOU) to Trenton (TTN)

View $203 flight on Thu, Jan 1, 2026Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Trenton–Mercer Airport (TTN)

Cheap Flights from Houston to Trenton (HOU-TTN)

Prices were available within the past 7 days and start at $203 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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 $229
TTN
Mercer
CheapestClosest
Average driving time to city center10 min
Flights from $229

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Mercer Airport (TTN) cost?
Secure a cheap one-way flight from $203 or cheap return flight from William P. Hobby Airport (HOU) to Mercer Airport (TTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Mercer Airport (TTN)?
The cheapest month to fly from HOU to TTN is , when there's less demand. Off-peak months are typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Mercer Airport (TTN)?
To find the cheapest airline that'll fly you from HOU to TTN, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from William P. Hobby Airport (HOU) to Mercer Airport (TTN)?
There are no daily nonstop flights available from William P. Hobby Airport (HOU) to Mercer Airport (TTN). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from HOU to TTN?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, carrier 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 William P. Hobby Airport (HOU) to Mercer Airport (TTN)?
To touch down at Mercer Airport (TTN) without delays, book a flight that leaves William P. Hobby Airport (HOU) before 3 PM. The chance 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.
What airports do you fly into for Trenton from William P. Hobby Airport (HOU)?
Browse your flight options from William P. Hobby Airport (HOU) to LaGuardia Airport (LGA). This is the only airport in Trenton you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Mercer Airport (TTN) last-minute?
Waiting until just before your departure to book your flight from HOU to TTN often results in higher prices. While it's possible to find some last-minute deals, there's no guarantee. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a HOU to TTN flight and hotel package?
Booking a HOU to TTN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Mercer Airport (TTN)?
Generally, it's possible to reschedule or cancel your HOU to TTN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
William P. Hobby
Destination airport
Mercer
Distance
1366 mi

Book with confidence

Houston to Trenton Flights

The cheapest times to fly from Houston to Trenton

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

 

The best time to book a flight from Houston to Trenton

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

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 Houston to Trenton in 2025. You can also book with separate airlines for your outbound and return journeys, from $203 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 Houston to Trenton 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 Houston to Trenton 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.

 

Houston to Trenton Flights

Explore a world of travel with Expedia

*Available to One Key members.