The cheapest times to fly from GSP to IAH are
- January 1st to February 25th
- April 23rd to May 13th
- August 6th to November 11th (except the week of October 8th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from GSP to IAH is late January and early February. Prices can be as high as $597 for Sunday flights during early to mid March, or as low as $255 for Wednesday flights around late January and early February.
When to Fly to Houston
Flying from Greer, SC (GSP) to Houston, TX (IAH) will usually cost between $255 to $378 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $255. Due to high demand the most expensive time to fly is early to mid March, with an average price of $363. Planning your trip to low-cost times can easily save you $108 on economy flights and even more on first-class flights. Generally, any price below $257 can be considered a good price for a round-trip GSP to IAH flight.
See below for a graph of average weekly prices for the GSP to IAH route. All prices are for round-trip tickets in USD.
Compared to other flights, the GSP to IAH flight is much cheaper than the average and costs much less than the average flight leaving from Greenville. The average price per mile (for a direct flight) is $0.19, which is below average.
Flight Prices by Day of the Week
Wednesday is usually the cheapest day to fly to IAH, and Tuesday the cheapest day to fly back into GSP. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $65 (20%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $259. Return trip prices are from the IAH to GSP flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from GSP to IAH can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 29 minutes may be realistic.
Flight Questions Answered
Still have questions about flying from GSP to IAH? We’ve got answers.
Which airlines fly this route?
You can find 4 major airlines flying this route most often: American, Delta, Frontier, United, and potentially more during busy seasons.
How far away is it from George Bush Intercontinental/Houston Airport to Greenville-Spartanburg International Airport?
The distance between the two airports is roughly 836 miles or 1345 kilometers.
How long does it take to fly from GSP to IAH?
The real-world flight time for a nonstop GSP to IAH flight is about 2 hour 29 minutes.
How many flights go between Greer, SC and Houston, TX?
It depends on the day of the week and the date, but a typical day might have around 66 available flights from GSP to IAH.
Airport Location Info
|Origination airport name||Greenville-Spartanburg International Airport|
|Country||the United States|
|Destination airport name||George Bush Intercontinental/Houston Airport|
|Country||the United States|
Late and Early Flight Data
Flights from GSP to IAH tend to depart later than the average flight. According to our recently updated data, 35% of flights departed 5 or more minutes late, and 31% of flights left 5 or more minutes early. On average you can expect to leave IAH heading for GSP about 35 minutes late. This does significantly impact arrival time, as the average landing time in Houston, TX is about 30 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- SkyWest: 23 minutes late
- Mesa: 48 minutes late
- Some airlines not reporting
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.