Cheap flights from San Francisco to Houston from $145

The month of October is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from San Francisco, with most prices found around $371. If you are unable to visit Houston George Bush Intcntl Airport during the month of October, then departing from San Francisco during the month January is also very affordable. Most momondo users find prices during this month for around $398.

The cheapest day to depart from San Francisco to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $524. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $674.

Our data shows that the cheapest San Francisco to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as $516. Try not to purchase tickets in the morning because they tend to be around $621. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $444 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from San Francisco for as low as $344 on momondo.

There are 4 cabin classes available to choose from on San Francisco to Houston George Bush Intcntl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, JetBlue, and Alaska Airlines are the most popular carriers operating from San Francisco to Houston George Bush Intcntl

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from San Francisco according to our data. United Airlines is the first choice among our users, with 80% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 5 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between San Francisco and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon 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 10% of their flights experiencing any sort of delay.

Atlanta (ATL) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $168.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 13m.

Denver (DEN) has the shortest average layover time for this route: 0h 52m.

As of August 2026, there are 29 flights per day flying from San Francisco to Houston George Bush Intcntl Airport. The most common time of day flights depart is 8:00AM, with 36% of flights taking off at noon.

As of August 2026, 208 flights take off from San Francisco and land in Houston George Bush Intcntl Airport each week. The most common flight departure day for this route is Thu, with 23% of weekly flights taking off on this day.