Cheap Flights from San Diego to Houston

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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? 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 May.

Direct flights from San Diego to Houston

San Diego to Houston: Flight information

The things to know before you go.
Cheapest flight foundRs13,735
Cheapest month to flyMay
Average flight time3 hrs, 13 mins
Most popular airlineSouthwest Airlines
Average flights per week79

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

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from San Diego to Houston is Rs27,858. 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 February 2026, there are 79 flights per week flying from San Diego to Houston.
The cheapest month to fly from San Diego to Houston is usually April.
If you're flying from San Diego, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from Rs27,858.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Houston on Wednesday, 22 April 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 February, the average temperature is usually around 13°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.

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

  • Your next exciting journey begins at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Explore your options for booking a flight from San Diego to Houston departing from either of these bases.

  • George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU) are the major arrival points in Houston.

  • The average length of a direct San Diego to Houston flight is 3 hours 15 minutes.

  • Houston is two hours ahead of San Diego and observes the UTC-5 timezone.

  • With 34 weekly flights between the two airports, San Diego International Airport (SAN) to George Bush Intercontinental Airport (IAH) is the most popular route. Hop on the first flight from San Diego to Houston with United Airlines at 06:15. If you'd like to make the most of your day before you fly, the last departure from SAN to IAH is with United Airlines at 18:41.

  • Allow plenty of time to catch your San Diego to Houston flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer queues during popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a good idea.

How to find the cheapest flights from San Diego to Houston

  • The lowest price we've found for a one-way ticket from San Diego to Houston is Rs13,735. For a return flight on this route, the best price is Rs27,858. Depending on the availability and when you book, these fares could change.

  • Score cheap San Diego to Houston flights by booking two months ahead. According to our research, that's the sweet spot for picking up a bargain.

  • Organise your trip for May. That's the best month for landing an incredible deal on plane tickets from San Diego to Houston. If your travel dates are flexible, use the 'Whole month' tool to see the cheapest price across every month.

  • Locking in a cheap flight from San Diego to Houston is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as a better deal is available.

  • Pick your ideal departure and arrival times, number of stops and airlines by using the filters. Or sort your San Diego to Houston flight results by 'Cheapest,' 'Best' or 'Fastest.'

Flying from San Diego

San Diego International Airport (SAN)

  • Begin your travels at San Diego International Airport (SAN), which has a range of direct flights from San Diego to Houston. From SAN, you can fly without any stops to George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU).

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

  • SAN is around 3 kilometres from central San Diego. If you're driving, ride-sharing or catching a cab from the centre, it'll take 10 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 20 minutes.

  • In search of a convenient hotel close to San Diego International Airport? If you're catching an early flight from San Diego to Houston, these accommodation options will have you moments from your check-in counter:

  • Of the departures from San Diego International Airport, 71.38% arrive on time at their destination.

  • SAN's address is N Harbour Dr.

Arriving in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • The centre of Houston is located around 16 kilometres from William P. Hobby Airport (HOU). Once your flight from San Diego to Houston has landed and you've made your way out of the airport, expect a drive of around 20 minutes.

  • You can expect the trip to take approximately 1 hour 40 minutes on public transport.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel close to HOU. Here are a few options where you can kick back after your flight from San Diego to Houston:

  • The fastest way to get to where you're going is with a William P. Hobby Airport rental car. Collect your wheels from Easirent, Dollar or Thrifty and be on your way in a flash.

  • Call dibs on the best options. Securing your ride from HOU four weeks in advance often means better deals and a wider range of vehicles.

  • William P. Hobby Airport can be found at 7800 Airport Boulevard.

Best time to go to Houston

  • July is the busiest month for flights from San Diego to Houston. To travel when it's less crowded, head to Houston in February.

  • Book a San Diego to Houston ticket departing in August if you're eager to explore the city during its warmest month. Expect temperatures in Houston to range from 24ºC to 40ºC.

  • If you'd rather travel in cooler conditions, look for a cheap flight from San Diego to Houston in January when temperatures average between 5ºC and 19ºC.

More about Houston

Explore more of United States

  • San Antonio is just one of the many places in United States waiting to be discovered once you've seen the sights of Houston. Around 306 kilometres to the west, popular attractions include The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • If you're ready to explore another well-known destination in United States, consider Dallas, roughly 370 kilometres north of Houston. Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.