There are most likely no direct flights on the Houston — San Diego route
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A non-stop flight is the most convenient and comfortable way to fly from Houston to San Diego, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the Houston — San Diego route
Houston — San Diego
07/12/2026
Departure
Direct flight
WN1057
starting at $426
Houston — San Diego
08/26/2026
Departure
Direct flight
UA2491
starting at $133
The route Houston — San Diego is served by several airlines: Southwest Airlines, United Airlines, and Frontier Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $109 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest one-way flight from Houston to San Diego departs on 08/26/2026, is operated by Frontier Airlines and costs $109
The cheapest roundtrip flight from Houston to San Diego departs on 08/06/2026, is operated by Frontier Airlines and costs $268
Fastest flight from Houston to San Diego takes 5h 36m
There are direct flights on this route 2 days a week: Su and We
The distance between Houston and San Diego is 2092km (1297 miles). There are 23 direct flights from Houston to San Diego. The time difference between Houston and San Diego is 2h. Flights from Houston begin at 7:30 AM. The latest flight from Houston departs at 9:20 PM
The cheapest flight ticket from Houston to San Diego according to data for the last 48 hours costs $109
Often the best time to buy tickets from Houston to San Diego is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Houston to San Diego can be found flying in these months: August, July.
The fastest flights from Houston to San Diego start from 5 hours 36 minutes in the air.
The following airlines operate direct flights on the route Houston — San Diego: Southwest Airlines, United Airlines
The minimum one-way ticket price from Houston to San Diego is $112 (August 2026), while the maximum is $146 (July 2026). On average, a ticket costs $129–$146.
We couldn't find any special offers for flights from Houston to San Diego