327 € Cheap Flights from Houston Hobby to San Diego

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Flight deals from Houston Hobby Airport to San Diego

Looking for a cheap last-minute deal or the best return flight from Houston Hobby Airport to San Diego? If you want to travel next month, return fares start from 327 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston Hobby to San Diego

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

Direct flights from Houston Hobby to San Diego

Alternative Houston Hobby to San Diego routes

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

Houston to San Diego: Flight information

The things to know before you go.
Cheapest flight found327 €
Cheapest month to flyApril
Average flight time3 hrs, 19 mins
Most popular airlineSouthwest Airlines
Average flights per week22

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

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Houston Hobby to San Diego is 327 €. 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 19 minutes is the average flight time from Houston Hobby to San Diego.
Southwest Airlines flies direct from Houston Hobby to San Diego.
As of March 2026, there are 22 flights per week flying from Houston Hobby to San Diego.
The cheapest month to fly from Houston Hobby to San Diego is usually April.
If you're flying from Houston Hobby Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from 327 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston Hobby Airport to San Diego on Wednesday, 15 April 2026.
Yes – the average flight time is 3 hours and 19 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 San Diego 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 San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 14°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Southwest Airlines offers the cheapest flight tickets to San Diego.

Flying from William P. Hobby Airport (HOU) to San Diego: what you need to know

  • Jump on a direct flight from William P. Hobby Airport to San Diego and you'll be travelling for an average of 3 hours 15 minutes.

  • San Diego is two hours behind Houston, where William P. Hobby Airport is located. San Diego follows the UTC-7 timezone.

  • William P. Hobby Airport (HOU) to San Diego International Airport (SAN) is the most popular route, with ten weekly flights to choose from. You can fly from HOU to SAN at 06:25 with Southwest Airlines.

  • To avoid rushing for your HOU to San Diego flight, leave plenty of time for things like baggage drop and finding your gate. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • Planning to travel during a peak time like school or public holidays? Expect longer lines at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Start your journey at HOU and travel straight to San Diego International Airport (SAN). That's where you can expect to land when searching for William P. Hobby Airport to San Diego tickets.

  • Look out for promotions from Southwest Airlines. This carrier operates direct flights from William P. Hobby Airport to San Diego.

  • HOU is around 16 kilometres from central Houston. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 1 hour 40 minutes.

  • Want a hassle-free start to your trip? Stay near HOU. Whether you're catching an early flight from William P. Hobby Airport to San Diego or just don't want to be rushed, these hotels are just the thing:

  • 81.06% of flights leaving William P. Hobby Airport touch down at their destination as planned. With its impressive on-time stats, you're unlikely to face delays when taking off from HOU.

  • The address for HOU is 7800 Airport Boulevard.

How to find the cheapest flights from William P. Hobby Airport (HOU) to San Diego

  • 154 € is currently the best price for a one-way William P. Hobby Airport to San Diego flight. Return plane tickets start from 327 €. These fares may change based on availability.

  • Book one month before your departure date. Pricing trends suggest that this is the ideal window for finding cheap flights from HOU to San Diego.

  • May is the best month for landing an amazing deal on William P. Hobby Airport to San Diego tickets. If you want to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Save time looking for cheap flights from HOU to San Diego by creating a Price Alert. You'll receive an email or notification on the app when a special offer becomes available.

  • Choose your preferred arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from William P. Hobby Airport to San Diego by 'Fastest,' 'Cheapest' or 'Best.'

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to the centre of San Diego takes around 10 minutes to reach by car. The centre is roughly 5 kilometres away.

  • It takes around 20 minutes when travelling by public transport.

  • Think about booking a hotel near SAN if you have a late flight from William P. Hobby Airport to San Diego. Select one of these accommodation options and make your arrival easier:

  • Go where the road takes you with a San Diego International Airport rental car. Book your wheels from Thrifty, Dollar or Budget and discover more of San Diego and beyond.

  • Booking your ride from San Diego International Airport around two weeks before your flight from HOU to San Diego can help you secure the lowest rate.

  • SAN is located at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • Once your flight from William P. Hobby Airport to San Diego has landed, you can make your way to the city centre in about 40 minutes by car. Central San Diego is roughly 56 kilometres from McClellan-Palomar Airport (CLD).

  • You can expect the trip to take roughly 2 hours 15 minutes on public transport.

  • Following your HOU to San Diego flight, rest your head at a hotel close to CLD. These are some comfortable accommodation options that'll help you slip into relaxation mode:

  • The fastest way to reach your destination is with a McClellan-Palomar Airport rental car. Grab a set of wheels from Budget, Hertz or Avis and make a speedy getaway.

  • Typically, the earlier you book, the better the deals and selection of vehicles. Secure your ride from CLD once your travel dates are set.

Best time to go to San Diego

  • Plan your trip to San Diego during high season if you prefer a busy atmosphere, but remember that prices are typically higher. Alternatively, book your flights from William P. Hobby Airport to San Diego during the off-season when prices are cheaper and it's quieter.

  • Book a William P. Hobby Airport to San Diego plane ticket with a departure in August to experience the city during its warmest month. You can expect temperatures to range from 17ºC (63ºF) to 28ºC (82ºF).

  • February has average temperatures of between 7ºC (45ºF) and 23ºC (73ºF). Search for a cheap ticket from HOU to San Diego around that time if you like travelling in cooler conditions.

More about San Diego

  • Start your San Diego trip right by choosing the perfect place to stay. As soon as you've booked your flight from William P. Hobby Airport to San Diego, explore our range of hotels including:

  • There are so many things to do and see in this city it can be hard to figure out where to start. USS Midway Museum, San Diego Zoo and SeaWorld San Diego are major attractions which should feature on every San Diego itinerary.

Explore more of United States

  • San Diego has its own special appeal, but there are so many other corners of United States waiting to be discovered. About 177 kilometres north-west of San Diego, a visit to Los Angeles will keep you on the go. Start with attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're looking to explore another corner of United States, consider Phoenix, roughly 483 kilometres east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are among its highlights.

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