Cheap flights from Houston to Greenville

Cheapest current fares: $199 in August 2026, 1,346 km direct flight in ~1h 35m.

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Live fares · IAH → GSP

Cheapest month-by-month fares

Lowest available fare per calendar month from Houston (IAH) to Greenville (GSP). Refreshed daily.

Houston (IAH) → Greenville (GSP)

  1. August 2026 $199

Frequently asked questions

  • What is the cheapest month to fly from Houston to Greenville?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Houston (IAH) to Greenville (GSP), with fares starting from $199.

  • What is the lowest current fare from IAH to GSP?

    The lowest currently-listed fare from Houston (IAH) to Greenville (GSP) is $199 on 2026-08-25.

  • How long is the flight from Houston to Greenville?

    Direct flights from IAH to GSP cover approximately 1,346 km (836 miles), with an estimated flight time of 1h 35m. Operating airlines: UA.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: IAH → GSP Cheapest month to fly to Greenville All flights from Houston All flights to Greenville Flights to USA Visa-free with USA passport UA routes