Routes · From SFO

San Francisco (SFO) to Houston (IAH) flights

Nonstop from San Francisco International to George Bush Intercontinental: distance, flying time, which airlines fly it and how often.

Distance

2,627km

1,632 mi, great circle

Flying time

3h 48m

typical, gate to gate

Flights a day

average, November 2026

Airlines

passenger airlines

Airlines flying SFO to IAH

United Airlines

Route map

The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.

Cheapest recent fare

Fares found in recent searches load here. You can also compare SFO to IAH fares by month.

Both directions

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Closest Airport to Galveston Cruise Terminal: IAH vs HOU

The closest airport to the Galveston cruise terminal is Hobby (HOU), about 42 miles away. See how it compares with IAH on cost, time and flight options.

October 15, 2026

Frequently asked questions

How long is the flight from San Francisco to Houston?

About 3h 48m gate to gate for the 2,627 km (1,632 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.

Which airlines fly nonstop from SFO to IAH?

United Airlines, with about 12 flights a day between them in our data (AeroDataBox, November 2026).