Direct flights from Houston to San Diego IAH → SAN

United Airlines operates nonstop flights from Houston (IAH) to San Diego (SAN). The nonstop flight takes around ~2h 37m, covering 1,301 miles (2,093 km) and operates multiple daily. Updated 1 July 2026.

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United Airlines UA

Departure Schedule next 7 days

More nonstops from Houston

IAH → DFW Dallas-Fort Worth 9 airlines IAH → AUS Austin 6 airlines IAH → CLT Charlotte 6 airlines IAH → LAX Los Angeles 6 airlines IAH → ORD Chicago 6 airlines IAH → ATL Atlanta 5 airlines IAH → DTW Detroit 5 airlines IAH → MSY New Orleans 5 airlines

Frequently asked questions

Is there a direct flight from Houston to San Diego?

Yes, United Airlines operates nonstop flights from Houston (IAH) to San Diego (SAN).

Which airlines fly direct from Houston to San Diego?

United Airlines operates nonstop flights from Houston to San Diego.

How long is the flight from Houston to San Diego?

The nonstop flight from Houston to San Diego takes ~2h 37m (approximately 2093 km).

How often do direct flights operate from Houston to San Diego?

Nonstop flights from Houston to San Diego operate multiple daily.

Explore More

IAH All direct flights from Houston 🗓 Find cheapest round-trip dates → SAN All direct flights from San Diego SAN → IAH Return: San Diego to Houston
Cheap direct deals from Houston — last one was $228 to Detroit