Direct flights from Houston to San Diego
All flights from IAH to SAN non-stop. There are direct flights from George Bush Intcntl Houston (IAH), Texas, USA to San Diego International Airport (SAN), California, USA with United Airlines. 33 weekly departures are currently scheduled on this route. Departure times range from 09:30 to 20:10 depending on the schedule period. The flight distance is 1307 miles (2103 km). Flight time ranges from 3 hours and 20 minutes to 3 hours and 43 minutes.
Houston
, USA
Flight schedule from Houston to San Diego with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-22
Houston to San Diego scheduled departures
Select a date to see every published non-stop departure between IAH and SAN.
IAH - SAN route facts
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Distance1307 miles (2103 km)
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Flight time3 hours and 20 minutes to 3 hours and 43 minutes
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Airline United
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Airline alliancesStar Alliance
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CabinsEconomy Business First
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Hub airportsIAH
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Departure terminalsTerminal C
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Arrival terminalsTerminal 2
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AircraftBoeing 737-900 Passenger, Boeing 737MAX 9 Passenger, Boeing 737-800 Passenger and Boeing 737MAX 8 Passenger
Route FAQ
Nearby airports that offer flights to San Diego (SAN)
From Hobby Airport (HOU)
20 flights per week
Direct flights from Houston to CA, USA
From Houston to San Francisco
SFO San Francisco International
From Houston to Sacramento
SMF Sacramento International
From Houston to San Jose
SJC Norman Y Mineta San Jose International
From Houston to Palm Springs
PSP Palm Springs International
From Houston to Los Angeles
LAX Los Angeles International
From Houston to Santa Ana
SNA John Wayne Arpt Orange Co
From Houston to Ontario
ONT Ontario International Airport
