$90 Cheap Flights from Houston (IAH) to Harlingen (HRL)

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Cheap Flights from Houston to Harlingen (IAH-HRL)

Prices were available within the past 7 days and start at $90 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
American Airlines
American Airlines
United
United
United
American Airlines
American Airlines
Flights from Houston (IAH) to Harlingen (HRL)
Origin airport
George Bush Intercontinental
Destination airport
Valley Intl.
Airlines serving
American Airlines, United
Roundtrip price
$179
Distance
295 mi

Houston to Harlingen Flights

The cheapest times to fly from Houston to Harlingen

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

The best time to book a flight from Houston to Harlingen

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

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 Harlingen in 2025. You can also book with separate airlines for your outbound and return journeys, from $90 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 Harlingen 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 Harlingen 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 long does it take to fly from Houston Airport to Valley Intl. Airport?
A direct flight with United Airlines takes approximately 1 hour and 19 minutes. Hop on the 2:40PM flight from George Bush Intercontinental Airport (IAH) and touch down at HRL at 3:59PM. Get your hands on a top deal on this route when you book with Expedia.
Is it cheaper to buy a plane ticket from Houston Airport to HRL last minute?
When it’s time to book your flights, being organized pays off. While you may be able to find a last-minute deal on an IAH to HRL flight, fares usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international journeys it’s three to four months.
What airline has the least delays from George Bush Intercontinental Airport (IAH) to HRL?
Head off with United Airlines from IAH to Valley Intl. Airport and you’re more likely to land at the time on your ticket. This airline takes out first place on this route, with an 100% on-time score. If there is a disruption to your flight, the free Expedia App is a great way to stay in the loop. It’ll give you notifications right when you need them, from flight delays to gate number changes.
What airports do you fly into for Harlingen from Houston?
From Houston, you can fly into Harlingen via Valley Intl. Airport (HRL), Brownsville-South Padre Island Intl. Airport (BRO) and Miller Intl. Airport (MFE). It’s wise to check which terminal is the best option for you before making your decision. If you opt for Valley Intl. Airport (HRL), it’s about 3 mi northeast of the downtown area. Use the dough you save when booking your airfare with Expedia to tour the city’s well-known sights, such as Iwo Jima Monument and Iwo Jima Memorial Museum.
What are the most popular departure times for flights from Houston Airport to Valley Intl. Airport (HRL)?
For United Airlines flights jetting from Houston Airport to Valley Intl. Airport, the busiest period is between 9:00 AM - 10:00 AM. If you want to avoid delays, head off in the morning. This way you’re more likely to escape the heavy air traffic that builds up in the skyways in the afternoon and evening.
Can I change the date of my flight from George Bush Intercontinental Airport (IAH) to Valley Intl. Airport (HRL)?
You can easily make changes to your IAH to Valley Intl. Airport (HRL) trip through the Expedia Trips portal. Before you make any amendments, look over the rules and conditions in your itinerary to see what you’re allowed to do and if fees apply for changes. Some airlines charge a change fee per person, in addition to any difference in fares. However, if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also stop by our Customer Service portal for more information and to connect with our Virtual Agent.

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*Available to One Key members.