San Diego (SAN) to Houston (IAH) flights
One airline flies nonstop from San Diego (SAN) to Houston (IAH): United Airlines. The two airports are 1,301 miles (2,094 km) apart. United Airlines is in Star Alliance. There are also 29 ways to fly it with one stop, through El Paso, Tucson and Austin and more.
Airlines flying nonstop from SAN to IAH
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book SAN to IAH 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
SAN to IAH with one stop
29 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via El Paso (ELP)Southwest Airlines, then United Airlines
- Via Tucson (TUS)Southwest Airlines, then United Airlines
- Via Austin (AUS)Alaska Airlines, Southwest Airlines and 1 more, then United Airlines
- Via Phoenix (PHX)American Airlines and Frontier Airlines the whole way
+1
- Via San Antonio (SAT)Southwest Airlines, then United Airlines
- Via Albuquerque (ABQ)Southwest Airlines, then United Airlines
- Via Dallas (DFW)American Airlines the whole way
- Via Las Vegas (LAS)Frontier Airlines the whole way+1
- Via Los Angeles (LAX)Delta Air Lines and United Airlines the whole way+1
- Via Colorado Springs (COS)Southwest Airlines, then United Airlines
- Via Tulsa (TUL)Alaska Airlines, then United Airlines
- Via Vail (EGE)Alaska Airlines, then United Airlines
- Via Denver (DEN)Frontier Airlines and United Airlines the whole way+1
- Via Hayden (HDN)Alaska Airlines, then United Airlines
- Via San Jose Cabo (SJD)Alaska Airlines and Southwest Airlines, then United Airlines
SAN to IAH: common questions
Which airlines fly nonstop from SAN to IAH?
United Airlines (Star Alliance) flies nonstop from San Diego (SAN) to Houston (IAH).
How far is San Diego from Houston by plane?
San Diego (SAN) and Houston (IAH) are 1,301 miles (2,094 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SAN 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.
How many miles does SAN to IAH cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SAN to IAH with taxes and fees.
Where can I connect between San Diego and Houston?
The most direct connections are through El Paso (ELP), Tucson (TUS), Austin (AUS), Phoenix (PHX) and San Antonio (SAT). On 9 of them the same airline flies both flights, for example American Airlines through Phoenix.
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.