United States · 836 miles (1,346 km)

Greenville (GSP) to Houston (IAH) flights

Air Canada Aeroplan logo
10,000 milesCheapest economy award, one way, with Air Canada Aeroplan

An economy award from Greenville (GSP) to Houston (IAH) starts at 10,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. Avianca LifeMiles charges the same. One airline flies nonstop from Greenville (GSP) to Houston (IAH): United Airlines. The two airports are 836 miles (1,346 km) apart. United Airlines is in Star Alliance. There are also 18 ways to fly it with one stop, through Atlanta, Nashville and Charlotte and more.

How many miles GSP to IAH costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
Air Canada AeroplanOn United Airlines10,000$33.60
Avianca LifeMilesOn United Airlines10,000$30.60
Emirates SkywardsOn United Airlines12,000$5.60–355.60
ANA Mileage ClubOn United Airlines15,000$5.60
Singapore Airlines KrisFlyerOn United Airlines15,000$5.60
Turkish Airlines Miles&SmilesOn United Airlines15,000$5.60–45.60
Thai Royal Orchid PlusOn United Airlines17,500$5.60
EVA Air Infinity MileageLandsOn United Airlines19,500$5.60
TAP Miles&GoOn United Airlines30,000$50.40

Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from GSP to IAH

  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book GSP to IAH with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

GSP to IAH with one stop

18 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Nashville (BNA)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Cincinnati (CVG)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Tampa (TPA)Breeze Airways, then United Airlines and Frontier Airlines
    Breeze Airways logo
    United Airlines logo
    Frontier Airlines logo
  • Via Orlando (MCO)Breeze Airways, then United Airlines and Frontier Airlines
    Breeze Airways logo
    United Airlines logo
    Frontier Airlines logo
  • Via Sarasota (SRQ)Allegiant Air, then United Airlines
    Allegiant Air logo
    United Airlines logo
  • Via Columbus (CMH)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Fort Myers (RSW)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Pittsburgh (PIT)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Fort Lauderdale (FLL)Allegiant Air and Breeze Airways, then United Airlines, Frontier Airlines and 1 more
    Allegiant Air logo
    Breeze Airways logo
    United Airlines logo
    Frontier Airlines logo
    JetBlue Airways logo
See all 18 in Routes

GSP to IAH: common questions

How many miles does GSP to IAH cost?

In economy it starts at 10,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. Next cheapest: Avianca LifeMiles (10,000), Emirates Skywards (12,000) and ANA Mileage Club (15,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

Which airlines fly nonstop from GSP to IAH?

United Airlines (Star Alliance) flies nonstop from Greenville (GSP) to Houston (IAH).

How far is Greenville from Houston by plane?

Greenville (GSP) and Houston (IAH) are 836 miles (1,346 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book GSP to IAH award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

Where can I connect between Greenville and Houston?

The most direct connections are through Atlanta (ATL), Nashville (BNA), Charlotte (CLT), Dallas (DFW) and Cincinnati (CVG). On 8 of them the same airline flies both flights, for example Delta Air Lines through Atlanta.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.