$71 Cheap Flights from Trenton (TTN) to Houston (IAH)

View $71 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from Trenton–Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH)

Cheap Flights from Trenton to Houston (TTN-IAH)

Prices were available within the past 7 days and start at $71 for one-way flights and $169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 10 - Wed, Dec 17
TTN
Trenton
IAH
Houston
$169 Roundtrip, found 3 hours ago
$169
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Trenton to Houston, returning Wed, Dec 17, priced at $169 found 3 hours ago
American Airlines
Wed, Nov 19 - Wed, Dec 3
TTN
Trenton
IAH
Houston
$179 Roundtrip, found 9 hours ago
$179
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Nov 19 from Trenton to Houston, returning Wed, Dec 3, priced at $179 found 9 hours ago
Frontier Airlines
Sat, Nov 8 - Sat, Nov 15
TTN
Trenton
IAH
Houston
$186 Roundtrip, just found
$186
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Nov 8 from Trenton to Houston, returning Sat, Nov 15, priced at $186 just found
American Airlines
Sat, Nov 15 - Wed, Nov 19
TTN
Trenton
IAH
Houston
$189 Roundtrip, found 3 days ago
$189
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 15 from Trenton to Houston, returning Wed, Nov 19, priced at $189 found 3 days ago
Frontier Airlines
Fri, Dec 5 - Wed, Dec 10
TTN
Trenton
IAH
Houston
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Trenton to Houston, returning Wed, Dec 10, priced at $192 found 1 day ago
American Airlines
Wed, Dec 10 - Wed, Dec 17
TTN
Trenton
IAH
Houston
$194 Roundtrip, found 3 hours ago
$194
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Trenton to Houston, returning Wed, Dec 17, priced at $194 found 3 hours ago
American Airlines
Thu, Dec 4 - Sat, Dec 6
TTN
Trenton
IAH
Houston
$199 Roundtrip, found 17 hours ago
$199
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Trenton to Houston, returning Sat, Dec 6, priced at $199 found 17 hours ago
American Airlines
Tue, Nov 18 - Wed, Dec 17
TTN
Trenton
IAH
Houston
$204 Roundtrip, found 9 hours ago
$204
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Nov 18 from Trenton to Houston, returning Wed, Dec 17, priced at $204 found 9 hours ago
American Airlines
Tue, Dec 9 - Sun, Dec 14
TTN
Trenton
IAH
Houston
$209 Roundtrip, found 1 hour ago
$209
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Dec 9 from Trenton to Houston, returning Sun, Dec 14, priced at $209 found 1 hour ago
Frontier Airlines
Thu, Dec 11 - Sat, Dec 20
TTN
Trenton
IAH
Houston
$210 Roundtrip, found 4 hours ago
$210
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Trenton to Houston, returning Sat, Dec 20, priced at $210 found 4 hours ago

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

December is typically the cheapest month to fly

From $138 - $968 per traveler.

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 $294
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $294

Frequently asked questions

How much does a flight from Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH) cost?
Secure a cheap one-way flight from $71 or cheap return flight from $169 from Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH)?
The cheapest month to fly from TTN to IAH is December, when there's less demand. Off-peak months are generally when you'll find lower airfares between these airports.
Which airlines fly direct from Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH)?
You can't take a direct flight from Trenton, NJ (TTN-Mercer) to George Bush Intercontinental Airport (IAH). However, you can easily travel to Houston without any layovers by departing from Liberty Intl. Airport (EWR).
What is the cheapest airline that flies from Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from TTN to IAH. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH)?
There are no daily direct flights from Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from TTN to IAH?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, 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 Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH)?
Book a flight from Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**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 George Bush Intercontinental Airport (IAH) last-minute?
Last-minute fares from TTN to IAH are generally more expensive. For the best rates, start searching for flights ahead of time. That said, if you're flexible with your travel plans, you may score a cheap ticket right before your trip.
Is it cheaper to book a TTN to IAH flight and hotel package?
Compared with arranging flights and hotels separately, booking a TTN to IAH flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the hassle out of travel planning. Simply secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Mercer Airport (TTN) to George Bush Intercontinental Airport (IAH)?
If you reserved your TTN to IAH flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Mercer
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Frontier Airlines
Roundtrip price
$169
Distance
1355 mi

Book with confidence

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 December. 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 $71 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.

 

Trenton to Houston Flights

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*Available to One Key members.