Cheap flights from Houston to San Francisco from $121

If you aren’t able to travel to San Francisco during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $114.

Our data shows that the cheapest Houston to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $474. Flights in the evening are often more expensive with an average ticket price of $1,107.

Fly from Houston George Bush Intcntl to San Francisco for the best Houston - San Francisco flight prices

You are more likely to see cheaper flights to San Francisco from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Houston for as low as $345 on momondo.

Southwest, Alaska Airlines, and Delta are the most popular carriers operating from Houston to San Francisco

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to San Francisco from Houston according to our data. United Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 7 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Houston and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 173 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

The number of flights available between Houston and San Francisco is 32 per day as of July 2026. The most frequent departure time is 9:00PM, with 33% of daily flights leaving in the evening.

As of July 2026, 228 flights take off from Houston and land in San Francisco each week. The most common flight departure day for this route is Tue, with 19% of weekly flights taking off on this day.