United States · 1,634 miles (2,629 km)

Houston (IAH) to San Francisco (SFO) flights

One airline flies nonstop from Houston (IAH) to San Francisco (SFO): United Airlines. The two airports are 1,634 miles (2,629 km) apart. United Airlines is in Star Alliance. There are also 52 ways to fly it with one stop, through Las Vegas, Albuquerque and Austin and more.

Airlines flying nonstop from IAH to SFO

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

Book IAH to SFO with points

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

IAH to SFO with one stop

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

  • Via Las Vegas (LAS)Frontier Airlines and United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Alaska Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Albuquerque (ABQ)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Austin (AUS)United Airlines the whole way
    United Airlines logo
    United Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via Phoenix (PHX)American Airlines, United Airlines and 1 more the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
  • Via San Antonio (SAT)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Tucson (TUS)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Dallas (DFW)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Palm Springs (PSP)United Airlines the whole way
    United Airlines logo
    Alaska Airlines logo
    United Airlines logo
  • Via Sacramento (SMF)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Ontario (ONT)United Airlines and Frontier Airlines the whole way
    United Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Los Angeles (LAX)American Airlines, United Airlines and 2 more the whole way
    American Airlines logo
    United Airlines logo
    Delta Air Lines logo
    +1
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +3
  • Via Santa Ana (SNA)United Airlines the whole way
    United Airlines logo
    Alaska Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Montrose (MTJ)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Reno (RNO)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via San Diego (SAN)United Airlines the whole way
    United Airlines logo
    Alaska Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
See all 52 in Routes

IAH to SFO: common questions

Which airlines fly nonstop from IAH to SFO?

United Airlines (Star Alliance) flies nonstop from Houston (IAH) to San Francisco (SFO).

How far is Houston from San Francisco by plane?

Houston (IAH) and San Francisco (SFO) are 1,634 miles (2,629 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 SFO 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 IAH to SFO cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAH to SFO with taxes and fees.

Where can I connect between Houston and San Francisco?

The most direct connections are through Las Vegas (LAS), Albuquerque (ABQ), Austin (AUS), Phoenix (PHX) and San Antonio (SAT). On 48 of them the same airline flies both flights, for example Frontier Airlines through Las Vegas.

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.