$172 Cheap Delta flights Houston (HOU) to San Diego (SAN)

Grab cheap return Delta Air Lines flights from $336 from HOU to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $172 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the most affordable months to fly to San Diego with Delta Air Lines. You could also find fantastic deals on one-way and round-trip tickets in November.

For cheap Delta Air Lines fares from William P. Hobby Airport (HOU) to San Diego Intl. Airport (SAN), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall price. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct trip from HOU to SAN with Delta Air Lines or another carrier, check the “Nonstop” filter when looking for tickets.

Find Delta Air Lines’s earliest flights from HOU to SAN by checking the “Morning” and “Early Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Hop on a Delta Air Lines flight from William P. Hobby Airport (HOU) to San Diego, and you’ll probably land at San Diego Intl. Airport (SAN). This is the airline’s main hub in this destination.

Taking off from HOU to SAN with Delta Air Lines comes with a host of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s generally possible to cancel or reschedule your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need to keep your options open? Make use of Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge extra if you have to revise your plans. To modify your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more details.