$268 Cheap Flights from Trenton (TTN) to Houston (HOU)

View $268 flight on Wed, Nov 26, 2025Opens in a new window

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

Cheap Flights from Trenton to Houston (TTN-HOU)

Prices were available within the past 7 days and start at $268 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Trenton (TTN) to Houston (HOU)

March is typically the cheapest month to fly

From $120 - $984 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $233
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $233
Flights from Trenton (TTN) to Houston (IAH)
Origin airport
Mercer
Destination airport
George Bush Intercontinental
Roundtrip price
$173
Distance
1355 mi

Trenton to Houston Flights

The cheapest times to fly from Trenton to Houston

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

 

The best time to book a flight from Trenton to Houston

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

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 Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $268 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 Houston 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 Houston 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.

 

Frequently asked questions

How much does a flight from Mercer Airport (TTN) to William P. Hobby Airport (HOU) cost?
Discover the latest flight deals from TTN to HOU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TTN to HOU?
The cheapest flights from TTN to HOU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from TTN to HOU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from TTN to HOU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Mercer Airport (TTN) to William P. Hobby Airport (HOU)?
Direct flights from Mercer Airport (TTN) to William P. Hobby Airport (HOU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our 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 HOU?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, season 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 William P. Hobby Airport (HOU)?
Book a flight from Mercer Airport (TTN) to William P. Hobby Airport (HOU) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 William P. Hobby Airport (HOU) last-minute?
Last-minute fares from TTN to HOU are generally more expensive. To lock in the lowest prices, start looking for flights early. That said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a TTN to HOU flight and hotel package?
You can save money by securing a TTN to HOU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred flights and accommodations, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Mercer Airport (TTN) to William P. Hobby Airport (HOU)?
If you booked your TTN to HOU flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.