Houston (IAH) to San Antonio (SAT) flights
An economy award from Houston (IAH) to San Antonio (SAT) starts at 6,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. One airline flies nonstop from Houston (IAH) to San Antonio (SAT): United Airlines. The two airports are 191 miles (307 km) apart. United Airlines is in Star Alliance. There are also 4 ways to fly it with one stop, through Dallas, Monterrey and New Orleans and more.
How many miles IAH to SAT 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.
| Program | Economy | Taxes and fees |
|---|---|---|
| Air Canada AeroplanOn United Airlines | 6,000 | $33.60 |
| Avianca LifeMilesOn United Airlines | 7,500 | $30.60 |
| Emirates SkywardsOn United Airlines | 8,000 | $5.60–355.60 |
| ANA Mileage ClubOn United Airlines | 15,000 | $5.60 |
| Singapore Airlines KrisFlyerOn United Airlines | 15,000 | $5.60 |
| Turkish Airlines Miles&SmilesOn United Airlines | 15,000 | $5.60–45.60 |
| Thai Royal Orchid PlusOn United Airlines | 17,500 | $5.60 |
| EVA Air Infinity MileageLandsOn United Airlines | 19,500 | $5.60 |
| TAP Miles&GoOn United Airlines | 30,000 | $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 PricerAirlines flying nonstop from IAH to SAT
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAH to SAT with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
IAH to SAT with one stop
4 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dallas (DFW)American Airlines the whole way
- Via Monterrey (MTY)VivaAerobus the whole way
- Via New Orleans (MSY)United Airlines, then Southwest Airlines
- Via Memphis (MEM)United Airlines, then Breeze Airways
IAH to SAT: common questions
How many miles does IAH to SAT cost?
In economy it starts at 6,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. Next cheapest: Avianca LifeMiles (7,500), Emirates Skywards (8,000) 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 IAH to SAT?
United Airlines (Star Alliance) flies nonstop from Houston (IAH) to San Antonio (SAT).
How far is Houston from San Antonio by plane?
Houston (IAH) and San Antonio (SAT) are 191 miles (307 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAH to SAT 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 Houston and San Antonio?
The most direct connections are through Dallas (DFW), Monterrey (MTY), New Orleans (MSY) and Memphis (MEM). On 2 of them the same airline flies both flights, for example American Airlines through Dallas.
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.