$90 Flights from Harrisburg International (MDT) to Houston George Bush Intercntl. (IAH)

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Flight deals from Harrisburg International to Houston George Bush Intercntl.

Looking for a cheap last-minute deal or the best round-trip flight from Harrisburg International to Houston George Bush Intercntl.? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Harrisburg International to Houston George Bush Intercntl.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Harrisburg International to Houston George Bush Intercntl. flights are currently cheapest in January.

Harrisburg International to Houston George Bush Intercntl.: Alternative routes

Compare routes from Harrisburg International to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston George Bush Intercntl..

Harrisburg to Houston: Flight information

The things to know before you go.
Cheapest flight found$90
Cheapest month to flyJanuary

Finding cheap flights from Harrisburg International to Houston George Bush Intercntl.: Frequently asked questions

The best price we found for a round-trip flight from Harrisburg International to Houston George Bush Intercntl. is $217. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Harrisburg International to Houston George Bush Intercntl.. But we found flights with one or more stops from $217.
There are no flights flying from Harrisburg International to Houston George Bush Intercntl., as of January 2026.
The cheapest month to fly from Harrisburg International to Houston George Bush Intercntl. is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Harrisburg International Airport to Houston George Bush Intercntl. Airport on Saturday, January 24, 2026.
No airlines currently offer direct flights between Harrisburg International Airport and Houston George Bush Intercntl. Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston George Bush Intercntl. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Houston George Bush Intercntl..

Flying from Harrisburg International Airport (MDT) to George Bush Intercontinental Airport (IAH): what you need to know

  • The timezone in Houston is UTC-5, which is one hour behind Harrisburg.

  • Leave plenty of time to make your MDT to IAH flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Traveling during a peak time like July? Public holidays and other popular seasons can result in longer lines and delays at security. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Harrisburg International Airport to George Bush Intercontinental Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Popular stopovers between MDT and IAH include:

    • Charlotte Douglas International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Harrisburg International Airport (MDT) to George Bush Intercontinental Airport (IAH)

  • The lowest price we've seen for a one-way Harrisburg International Airport to George Bush Intercontinental Airport flight is $90. A round-trip ticket is currently $217. Depending on the availability and when you book, these fares can change.

  • Don't leave everything to the last moment. You're more likely to get cheap tickets from MDT to IAH if you book ahead. Airlines often offer some terrific early bird deals.

  • If you can be flexible with your travel plans, use the 'Whole month' search tool. It'll show you the cheapest price in each month when searching for a flight from Harrisburg International Airport to George Bush Intercontinental Airport.

  • Picking up cheap flights from MDT to IAH couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when fares go down.

  • Find the ideal flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Harrisburg International Airport to George Bush Intercontinental Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Harrisburg International Airport (MDT)

  • The address for MDT is One Terminal Drive.

  • Of all flights departing from Harrisburg International Airport, 77.41% touch down on time at their destination.

  • Central Harrisburg to Harrisburg International Airport is approximately 12 miles. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Expect a journey time of roughly 40 minutes on public transport.

  • Need a handy hotel near MDT? If you're catching an early flight from Harrisburg International Airport to George Bush Intercontinental Airport, these accommodation options will have you moments from your check-in counter:

Arriving at George Bush Intercontinental Airport (IAH)

Getting from George Bush Intercontinental Airport (IAH) to central Houston

  • The street address for IAH is 16930 JFK Boulevard.

  • George Bush Intercontinental Airport to the center of Houston has a drive time of around 20 minutes. It's approximately 17 miles away.

  • If you're taking public transport, expect a journey time of roughly 50 minutes.

When to fly to George Bush Intercontinental Airport (IAH)

  • July is the most popular month for flights from Harrisburg International Airport to George Bush Intercontinental Airport. To avoid the crowds, travel to Houston in February.

  • Lock in your flight from Harrisburg International Airport to George Bush Intercontinental Airport for August if you want to visit Houston during its warmest month. Expect temperatures of between 75ºF and 104ºF.

  • January sees average temperatures of between 41ºF and 66ºF. Search for cheap tickets from MDT to IAH around that time if you like traveling in cooler conditions.

Explore more of United States

  • You've seen Houston, now it's time to discover other parts of United States. Travel around 190 miles west to San Antonio to tick off its top sights. From The San Antonio River Walk to San Antonio Missions National Historical Park and San Fernando Cathedral, you'll have a packed itinerary ahead.

  • Around 230 miles north of Houston, Dallas is another favorite stop in United States. Experience major highlights starting with Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.