$109 Cheap Flights from Houston (IAH) to Greenville (GSP)

View $109 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP)

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Cheap Flights from Houston to Greenville (IAH-GSP)

Prices were available within the past 7 days and start at $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 3 - Wed, Sep 10
IAH
Houston
GSP
Greenville
$217 Roundtrip, found 4 days ago
$217
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 3 from Houston to Greenville, returning Wed, Sep 10, priced at $217 found 4 days ago
American Airlines
Wed, Sep 3 - Wed, Sep 10
IAH
Houston
GSP
Greenville
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Sep 3 from Houston to Greenville, returning Wed, Sep 10, priced at $229 found 4 days ago
Delta
Wed, Sep 24 - Tue, Sep 30
IAH
Houston
GSP
Greenville
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Sep 24 from Houston to Greenville, returning Tue, Sep 30, priced at $230 found 3 days ago
United
Wed, Aug 27 - Sat, Aug 30
IAH
Houston
GSP
Greenville
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 27 from Houston to Greenville, returning Sat, Aug 30, priced at $231 found 1 day ago
United
Wed, Sep 3 - Thu, Sep 4
IAH
Houston
GSP
Greenville
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from Houston to Greenville, returning Thu, Sep 4, priced at $232 found 1 day ago
United
Tue, Aug 19 - Sat, Aug 23
IAH
Houston
GSP
Greenville
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 19 from Houston to Greenville, returning Sat, Aug 23, priced at $236 found 3 days ago
American Airlines
Wed, Sep 17 - Wed, Sep 24
IAH
Houston
GSP
Greenville
$237 Roundtrip, found 9 hours ago
$237
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Sep 17 from Houston to Greenville, returning Wed, Sep 24, priced at $237 found 9 hours ago
Delta
Wed, Sep 17 - Wed, Sep 24
IAH
Houston
GSP
Greenville
$239 Roundtrip, found 9 hours ago
$239
Roundtrip
found 9 hours ago
Select Delta flight, departing Wed, Sep 17 from Houston to Greenville, returning Wed, Sep 24, priced at $239 found 9 hours ago
Delta
Sat, Sep 20 - Tue, Sep 23
IAH
Houston
GSP
Greenville
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep 20 from Houston to Greenville, returning Tue, Sep 23, priced at $239 found 2 days ago
United
Sat, Sep 13 - Wed, Sep 17
IAH
Houston
GSP
Greenville
$240 Roundtrip, found 2 days ago
$240
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 13 from Houston to Greenville, returning Wed, Sep 17, priced at $240 found 2 days ago

Find the cheapest month to fly from Houston (IAH) to Greenville (GSP)

August is typically the cheapest month to fly

From $166 - $892 per traveler.

Graph displaying average flight prices per month

Alternative airports near Greenville

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

Select flight to Greenville-Spartanburg Intl. GSP. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $453
GSP
Greenville-Spartanburg Intl.
Cheapest
Average driving time to city center18 min
Flights from $453
Flights from Houston (IAH) to Greenville (GSP)
Origin airport
George Bush Intercontinental
Destination airport
Greenville-Spartanburg Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$217
Distance
836 mi
Average flight time
3 hours 30 mins

Houston to Greenville Flights

The cheapest times to fly from Houston to Greenville

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

 

The best time to book a flight from Houston to Greenville

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

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 Greenville in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 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 Greenville 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 Greenville 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 George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP) cost?
You can pick up cheap return tickets starting from $217 from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP). 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 IAH on August 16 2025 and touching down at GSP. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from IAH to GSP?
The cheapest flights from IAH to GSP 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 George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP)?
When jetting out of George Bush Intercontinental Airport (IAH), you can hop on a direct flight to Greenville-Spartanburg Intl. Airport (GSP) with United Airlines.
What is the cheapest airline that flies from IAH to GSP?
With prices as low as $109 for a one-way journey from IAH to GSP, United is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAH on October 6 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP)?
On average, George Bush Intercontinental Airport (IAH) only has 1 nonstop flight to Greenville-Spartanburg Intl. Airport (GSP) per day. For more choices, try our easy-to-use filter tool. Simply enter your travel details, then select "1 Stop" or "2+ Stops" to find flights offering layovers.
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP)?
More travelers fly between IAH and GSP at 6 PM than at any other time of day. Rather go when it's quieter? Consider flying outside peak hours and you could save on your ticket as well.
What day of the week has the most flights from IAH to GSP?
Saturday offers the most flights from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP). Consider leaving on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP)?
The earliest flight jetting off from George Bush Intercontinental Airport (IAH) is at around 6:40PM UTC-6. Board this plane and you'll touch down at Greenville-Spartanburg Intl. Airport (GSP) at approximately 9:56PM UTC-5. The overall travel time is 2h 16m.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP)?
Flights from IAH to GSP have an average travel time of 2 hours and 16 minutes. The distance between these two airports is 840 mi.
What airline has the least delays from IAH to GSP?
Consider traveling with United Airlines if you'd like to fly straight from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP) without any holdups. This airline has the strongest track record for punctuality, with an on-time score of 81%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP)?
To land at Greenville-Spartanburg Intl. Airport (GSP) on schedule, pick a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Greenville from George Bush Intercontinental Airport (IAH)?
If you've booked a direct flight from George Bush Intercontinental Airport (IAH) to Greenville, Greenville-Spartanburg Intl. Airport (GSP) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP) last-minute?
Booking your plane ticket from IAH to GSP shortly before your trip is usually more expensive. But if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book an IAH to GSP flight and hotel package?
You can save money by booking an IAH to GSP flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider adding extras including tours, car rentals and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg Intl. Airport (GSP)?
If you reserved your IAH to GSP flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket 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, head to our Customer Service portal if you want more information.

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