Allegiant AirDepart15:39
Fri, Nov 20GSP → IAH
4h 48m · 1 stop
$108one way, per person
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- Cheapest fare
- $108
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 35m
Allegiant Air · Fri, Nov 20
from $108
Usually 1+ stop
1,340 km
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Cheapest month to fly from Greenville to Houston
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Allegiant Air
Southwest AirlinesDepart10:45
Fri, Nov 6GSP → HOU
3h 35m · 1 stop
$137one way, per person
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About flights from Greenville to Houston
Greenville (GSP) and Houston (HOU) are about 1,340 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 35m. Over the next few months, one-way fares start from $108, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Greenville to Houston?
The cheapest one-way fare we've seen recently is $108 with Allegiant Air, departing Friday, November 20, 2026.
What is the cheapest month to fly from Greenville to Houston?
November 2026 currently has the lowest fares, from $108 one way.
Are there direct flights from Greenville to Houston?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Greenville to Houston?
The quickest journey we've seen takes about 3h 35m. Greenville and Houston are around 1,340 km apart.
Which airlines fly from Greenville to Houston?
Recent fares on this route were with Allegiant Air and Southwest Airlines.
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