Direct flights from San Diego to Houston SAN → IAH
United Airlines operates nonstop flights from San Diego (SAN) to Houston (IAH). The nonstop flight takes around ~2h 37m, covering 1,301 miles (2,093 km) and operates multiple daily. Round-trip fares currently start at $337, with a typical fare around $389 across 33 recent fare combinations. Updated 1 July 2026.
60-day flexibility overview based on 33 recent fares across the next 60 days
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Departure Schedule next 7 days
Scheduled departures over the next 7 days · Updated 26d ago
United Airlines
Frequently asked questions
Is there a direct flight from San Diego to Houston?
Yes, United Airlines operates nonstop flights from San Diego (SAN) to Houston (IAH).
Which airlines fly direct from San Diego to Houston?
United Airlines operates nonstop flights from San Diego to Houston.
How long is the flight from San Diego to Houston?
The nonstop flight from San Diego to Houston takes ~2h 37m (approximately 2093 km).
How often do direct flights operate from San Diego to Houston?
Nonstop flights from San Diego to Houston operate multiple daily.
How much is a round-trip flight from San Diego to Houston?
Round-trip flights from San Diego (SAN) to Houston (IAH) start at $337, with a typical fare around $389. Based on 33 recent fare combinations.