Cheap Flights from San Diego (SANA) to Houston (HOUA)

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Flight deals from San Diego to Houston

Looking for a cheap last-minute deal or the best return flight from San Diego to Houston? If you want to travel next month, return fares start from $192. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Diego to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Houston flights are currently cheapest in September.

Direct flights from San Diego to Houston

Alternative San Diego to Houston routes

Looking for the cheapest, fastest or easiest route from San Diego to Houston? You could fly into the following airports instead.

San Diego to Houston: Flight information

The things to know before you go.
Cheapest flight found$192
Cheapest month to flySeptember
Average flight time3 hrs, 13 mins
Most popular airlineSouthwest Airlines
Average flights per week80

Finding cheap flights from San Diego to Houston: Frequently asked questions

There are 3 airports in Houston: Houston Hobby, Houston George Bush Intercntl. and Houston Ellington Field.
The best price we found for a return flight from San Diego to Houston is $192. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 13 minutes is the average flight time from San Diego to Houston.
Southwest Airlines, United and Lufthansa fly direct from San Diego to Houston.
As of August 2026, there are 80 flights per week flying from San Diego to Houston.
The cheapest month to fly from San Diego to Houston is usually September.
If you're flying from San Diego, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 24.9 km away from the centre of Houston. We've found flights into this airport from $192.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Houston on Wednesday, 9 September 2026.
Yes – the average flight time is 3 hours and 13 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.

In August, the average temperature is usually around 29°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
The cheapest airline that flies to Houston is Frontier Airlines. And the cheapest airline that flies to Houston George Bush Intercntl. Airport is Southwest Airlines.

Flying from San Diego to Houston: what you need to know

  • Begin your journey at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Check out your options for booking a flight from San Diego to Houston jetting off from either of these.

  • When it comes to landing in Houston, Houston George Bush Intercntl. Airport (IAH) is a primary hub. Houston Hobby Airport (HOU) is another.

  • Around 3 hours 15 minutes is how long you can expect to be in the air on a direct San Diego to Houston flight.

  • Houston is two hours ahead of San Diego and is in the UTC-6 timezone.

  • San Diego International Airport (SAN) to Houston George Bush Intercntl. Airport (IAH) is the most traveled route between these two cities. There are 33 weekly departures to pick from. If you prefer starting your day later, the last flight from San Diego to Houston is with United Airlines at 18:41. Opt for the first SAN to IAH departure with United Airlines at 06:15 to make the most of your arrival in Houston.

  • To ensure you get on your San Diego to Houston flight, allow plenty of time to check in and drop off your luggage. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • During popular months like August, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during a peak period in general.

How to find the cheapest flights from San Diego to Houston

  • To find cheap San Diego to Houston flights, book as early as possible. Airlines typically offer their most competitively priced fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest plane tickets from San Diego to Houston throughout the entire month. It's an easy way to find a bargain if your plans aren't set in stone.

  • Finding a cheap flight from San Diego to Houston is easy with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.

  • Save money on your San Diego to Houston flight with the help of our filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from San Diego

San Diego International Airport (SAN)

  • You can find a direct flight from San Diego to Houston taking off from San Diego International Airport (SAN). Start your trip at SAN and then hit the runway at Houston George Bush Intercntl. Airport (IAH) or Houston Hobby Airport (HOU).

  • Secure your San Diego to Houston plane tickets with United Airlines. This carrier is a popular option for direct flights from SAN.

  • SAN is about 5 kilometres from central San Diego. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 15 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be around 25 minutes.

  • Booked an early flight from San Diego to Houston? Avoid rushing to the terminal (and get some extra shut-eye) by choosing one of these stays close to San Diego International Airport:

  • 74% of flights that depart San Diego International Airport touch down at their destination on schedule.

  • SAN is located at N Harbour Dr.

Arriving in Houston

Houston George Bush Intercntl. Airport (IAH)

Houston Hobby Airport (HOU)

  • The centre of Houston is located around 16 kilometres from Houston Hobby Airport (HOU). As soon as your flight from San Diego to Houston has landed and you've navigated your way to arrivals, the drive should be around 20 minutes.

  • If you hop on public transport, the ride to the centre takes 50 minutes or so.

  • There are some great places to call home for the night near HOU. Kick back after your San Diego to Houston flight at one of these well-located options:

  • Forget about inconvenient public transport timetables or waiting in a long taxi line. Grab a Houston Hobby Airport rental car and blaze your own trail. Check out the availability and rates from Easirent, Dollar and Thrifty.

  • Get the pick of the lot. Reserving your ride from HOU four weeks in advance often means better prices and a greater selection of vehicles.

  • The address for Houston Hobby Airport is 7800 Airport Boulevard.

Best time to go to Houston

  • September is the quietest month for flights from San Diego to Houston, while July is the most popular. Figure out the best time to visit Houston based on whether you prefer a lively atmosphere or a more laid-back vibe.

  • Before locking in your San Diego to Houston tickets, think about the kind of weather forecast you're hoping for. August is the warmest month in Houston, with temperatures ranging from 24ºC (75ºF) to 40ºC (104ºF).

  • January sees average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for cheap flights from San Diego to Houston around that time if you want to travel when it's cooler.

More about Houston

Explore more of the United States

  • Houston will leave a lasting impression, but there are so many other parts of the United States waiting to be discovered. Around 306 kilometres west of Houston, a visit to San Antonio will keep you on the move. Don't miss top attractions like San Antonio River Walk, Selena Quintanilla Mural and Historic Market Square.

  • If you're looking to explore another corner of the United States, consider Dallas, roughly 370 kilometres north of Houston. Dallas Symphony Orchestra at Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.