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

View $127 flight on Tue, May 20, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Houston to Greenville (IAH-GSP)

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
Wed, Oct 22 - Tue, Nov 4
IAH
Houston
GSP
Greenville
$229 Roundtrip, just found
$229
Roundtrip
just found
Select American Airlines flight, departing Wed, Oct 22 from Houston to Greenville, returning Tue, Nov 4, priced at $229 just found
Delta
Wed, Oct 22 - Tue, Nov 4
IAH
Houston
GSP
Greenville
$229 Roundtrip, just found
$229
Roundtrip
just found
Select Delta flight, departing Wed, Oct 22 from Houston to Greenville, returning Tue, Nov 4, priced at $229 just found
American Airlines
Wed, May 7 - Wed, May 14
IAH
Houston
GSP
Greenville
$239 Roundtrip, found 2 hours ago
$239
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, May 7 from Houston to Greenville, returning Wed, May 14, priced at $239 found 2 hours ago
American Airlines
Wed, May 7 - Mon, May 12
IAH
Houston
GSP
Greenville
$249 Roundtrip, found 10 hours ago
$249
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, May 7 from Houston to Greenville, returning Mon, May 12, priced at $249 found 10 hours ago
Delta
Sat, Jun 21 - Thu, Jul 3
IAH
Houston
GSP
Greenville
$254 Roundtrip, just found
$254
Roundtrip
just found
Select Delta flight, departing Sat, Jun 21 from Houston to Greenville, returning Thu, Jul 3, priced at $254 just found
United
Mon, May 19 - Sun, May 25
IAH
Houston
GSP
Greenville
$256 Roundtrip, found 1 hour ago
$256
Roundtrip
found 1 hour ago
Select United flight, departing Mon, May 19 from Houston to Greenville, returning Sun, May 25, priced at $256 found 1 hour ago
United
Tue, Jun 24 - Thu, Jun 26
IAH
Houston
GSP
Greenville
$259 Roundtrip, just found
$259
Roundtrip
just found
Select United flight, departing Tue, Jun 24 from Houston to Greenville, returning Thu, Jun 26, priced at $259 just found
Delta
Sat, May 31 - Sat, Jun 7
IAH
Houston
GSP
Greenville
$262 Roundtrip, found 9 hours ago
$262
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, May 31 from Houston to Greenville, returning Sat, Jun 7, priced at $262 found 9 hours ago
United
Wed, Jul 23 - Mon, Jul 28
IAH
Houston
GSP
Greenville
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jul 23 from Houston to Greenville, returning Mon, Jul 28, priced at $264 found 1 day ago
United
Sat, May 17 - Tue, May 20
IAH
Houston
GSP
Greenville
$264 Roundtrip, found 1 hour ago
$264
Roundtrip
found 1 hour ago
Select United flight, departing Sat, May 17 from Houston to Greenville, returning Tue, May 20, priced at $264 found 1 hour ago

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 $253 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 May 13 2025 and touching down at GSP. The price was last updated on April 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 $127 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 June 11 2025. Prices were last updated on April 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.
*Available to One Key members.