Routes · From SAN

San Diego (SAN) to Houston (IAH) flights

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

Distance

2,093km

1,301 mi, great circle

Flying time

3h 10m

typical, gate to gate

Flights a day

5.7

average, November 2026

Airlines

passenger airlines

Airlines flying SAN 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 SAN to IAH fares by month.

Both directions

Related guides

Cruise & air · 6 min read

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 Diego to Houston?

About 3h 10m gate to gate for the 2,093 km (1,301 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.

Which airlines fly nonstop from SAN to IAH?

United Airlines, with about 5.7 flights a day between them in our data (AeroDataBox, November 2026).