Cheap Flights from Houston George Bush Intercntl. (IAH) to Greenville-Spartanburg (GSP)

Compare Houston George Bush Intercntl. to Greenville-Spartanburg flight deals

Find the cheapest month or even day of the year to fly to Greenville-Spartanburg

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Flight deals from Houston George Bush Intercntl. to Greenville-Spartanburg

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

Find the cheapest month to fly from Houston George Bush Intercntl. to Greenville-Spartanburg

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

Direct flights from Houston George Bush Intercntl. to Greenville-Spartanburg

Houston George Bush Intercntl. to Greenville-Spartanburg: Alternative routes

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

Houston to Greenville: Flight information

The things to know before you go.
Cheapest flight found£130
Cheapest month to flyFebruary
Average flight time2 hrs, 21 mins
Most popular airlineUnited
Average flights per week46

Finding cheap flights from Houston George Bush Intercntl. to Greenville-Spartanburg: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Greenville-Spartanburg is £130. 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.
2 hours and 21 minutes is the average flight time from Houston George Bush Intercntl. to Greenville-Spartanburg.
United, Mesa Airlines and Air New Zealand fly direct from Houston George Bush Intercntl. to Greenville-Spartanburg.
As of January 2026, there are 46 flights per week flying from Houston George Bush Intercntl. to Greenville-Spartanburg.
The cheapest month to fly from Houston George Bush Intercntl. to Greenville-Spartanburg is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Greenville-Spartanburg Airport on Monday, 2 February 2026.
Yes – the average flight time is 2 hours and 21 minutes.
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 Greenville-Spartanburg 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 Greenville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Greenville-Spartanburg.

Travelling from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg International Airport (GSP): what you need to know

  • Around 2 hours 20 minutes is how long you can expect to be in the air on a direct flight from George Bush Intercontinental Airport to Greenville-Spartanburg International Airport.

  • Flights from IAH to GSP start from 12:15 — the earliest with United Airlines. The latest departure is at 20:10 with United Airlines. Overall, there are 20 weekly George Bush Intercontinental Airport to Greenville-Spartanburg International Airport flights.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your IAH to GSP flight.

  • You'll likely experience longer lines in popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • Travelling to Greenville (and then discovering more of United States!) is a cinch with United Airlines. This popular airline offers direct flights from George Bush Intercontinental Airport to Greenville-Spartanburg International Airport.

  • United Airlines is the airline most travellers choose for this route.

  • The most punctual carrier operating IAH to GSP flights is United Airlines. Its services arrive as scheduled 73.26% of the time.

  • Think about adding a stopover when booking your ticket from George Bush Intercontinental Airport to Greenville-Spartanburg International Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here are some options between IAH and GSP:

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Greenville-Spartanburg International Airport (GSP)

  • The lowest price we've seen for a one-way George Bush Intercontinental Airport to Greenville-Spartanburg International Airport flight is £68. A round-trip plane ticket is currently £130. Depending on the availability and when you book, these fares can change.

  • Get cheap tickets from IAH to GSP by booking at least ten months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • The cheapest month for flights from George Bush Intercontinental Airport to Greenville-Spartanburg International Airport is September. Use the 'Whole month' tool to see the lowest airfares if you have flexible dates.

  • Cut down on the time spent looking for cheap flights from IAH to GSP by setting up a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from George Bush Intercontinental Airport to Greenville-Spartanburg International Airport.

Handy information about George Bush Intercontinental Airport (IAH)

Arriving at Greenville-Spartanburg International Airport (GSP)

Getting from Greenville-Spartanburg International Airport (GSP) to central Greenville

  • The address for GSP is 2000 GPS Drive, Suite 1.

  • From Greenville-Spartanburg International Airport, Greenville is approximately 17 miles away. It takes around 20 minutes to reach the centre by car.

When to fly to Greenville-Spartanburg International Airport (GSP)

  • August is the most popular month for flights from George Bush Intercontinental Airport to Greenville-Spartanburg International Airport. To avoid the crowds, travel to Greenville in February.

  • The warmest month in Greenville is July, with the temperature ranging between 19ºC (66ºF) and 34ºC (93ºF). Lock in your flights from George Bush Intercontinental Airport to Greenville-Spartanburg International Airport in this month if you enjoy this type of weather.

  • Look for cheap tickets from IAH to GSP in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -3ºC (27ºF) and 13ºC (55ºF) on average.

Explore more of United States

  • Charlotte is just one of the many cities in United States waiting to be discovered once you've taken in the sights of Greenville. Around 90 miles away to the east, its best attractions include NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum.

  • Around 260 miles west of Greenville, Nashville is another favourite stop in United States. Experience this destination's highlights firsthand at Grand Ole Opry, Country Music Hall of Fame and Museum and Ryman Auditorium.

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