$127 Cheap Flights from Greenville (GSP) to Houston (IAH)

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Cheap Flights from Greenville to Houston (GSP-IAH)

Prices were available within the past 7 days and start at $127 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
Delta
American Airlines
United
United
United
Delta
Delta
United

Frequently asked questions

How much does a flight from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH) cost?
You can pick up cheap return fares starting from $275 from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving GSP on May 15 2025 and touching down at IAH. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from GSP to IAH?
The cheapest flights from GSP to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH)?
Jump on a direct flight with United Airlines and head straight from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH).
What is the cheapest airline that flies from GSP to IAH?
Take off from GSP to IAH with United. This carrier currently offers the lowest one-way fare for this route, starting from $127. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GSP on June 11 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH)?
On average, only 1 direct flight departs each day from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH). Seeking more options? Use our filter tool to find flights with layovers and squeeze in a visit to another city along the way.
What are the most popular departure times for flights from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH)?
The 6 AM departures from GSP to IAH see the highest demand. Greater demand means you’ll likely pay more for these departures. If you want to save on your trip, pick a less crowded time to fly.
What day of the week has the most flights from GSP to IAH?
Friday offers the most flights from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH). Consider jetting off on this day and you’ll have the best chance of finding a departure that fits your plans.
What is the earliest flight from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH)?
The first flight of the day leaving from Greenville-Spartanburg Intl. Airport (GSP) is at around 6:35AM UTC-5. Catch this flight and you’ll reach George Bush Intercontinental Airport (IAH) at approximately 8:23AM UTC-6. The total travel time is 2h 48m.
How long does it take to fly from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH)?
It takes roughly 2 hours and 48 minutes to fly the 840 mi from GSP to IAH.
What airline has the least delays from GSP to IAH?
United Airlines has the best track record for on-time direct flights from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH), with an on-time score of 83%. Use the Expedia App to check your flight status before you take off and receive notifications about any changes.
What is the best time to fly from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH)?
To avoid potential delays on the Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being 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.
What airports do you fly into for Houston from Greenville-Spartanburg Intl. Airport (GSP)?
Browse your flight options from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH). This is the only Houston airport you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH) last-minute?
Holding off until right before your break to book a flight from GSP to IAH often results in higher prices. Although you may find some last-minute offers, there’s no guarantee. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a GSP to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking a GSP to IAH flight and hotel package with Expedia could result in significant savings. What’s more, having everything in one place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH)?
Usually, it’s possible to reschedule or cancel your GSP to IAH flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find further details on our Customer Service portal.
*Available to One Key members.