Cheap flights from Houston George Bush Intcntl Airport to San Diego from $108

If you are unable to visit San Diego during the month of February, then departing from Houston George Bush Intcntl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $383.

The cheapest day to depart from Houston George Bush Intcntl Airport to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $421. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $536. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $449. Flights in the afternoon are often more expensive with an average ticket price of $472.

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

You are more likely to see cheaper flights to San Diego from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $432 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Houston George Bush Intcntl Airport for as low as $309 on momondo.

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

Frontier and United Airlines are the most popular carriers operating from Houston George Bush Intcntl to San Diego

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to San Diego from Houston George Bush Intcntl Airport according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 5 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Houston and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

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

Saturday 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 17% of their flights experiencing any sort of delay.

Dallas (DFW) 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 $296.

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 4h 58m.

Dallas (DFW) has the shortest average layover time for this route: 0h 54m.

The number of flights available between Houston George Bush Intcntl Airport and San Diego is 6 per day as of March 2026. The most frequent departure time is 8:00PM, with 38% of daily flights leaving in the evening.

43 flights are operational weekly from Houston George Bush Intcntl Airport to San Diego as of March 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.