$161 Cheap Alaska Airlines flights Houston (IAH) to San Diego (SAN)

You’ll discover affordable return Alaska Airlines flights from $322 from IAH to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $161 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.

Search for one-way or round-trip flights to San Diego in January or November. You could find lower fares with Alaska Airlines during these off-peak travel months.

Start searching one to three months before your departure to score cheap fares on Alaska Airlines flights from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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 see if there’s a direct journey from IAH to SAN with Alaska Airlines or another airline, check the “Nonstop” filter when looking for flights.

To find the earliest departure from IAH to SAN with Alaska Airlines, filter your search by “Morning” and “Early Morning.” Booking an early flight generally means you’re less likely to experience 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 an Alaska Airlines flight from George Bush Intercontinental Airport (IAH) to San Diego, and you’ll likely arrive at San Diego Intl. Airport (SAN). This is the airline’s main hub in this city.

Jetting off from IAH to SAN with Alaska Airlines comes with plenty of perks, including a rewarding loyalty program and top-tier customer service. 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 Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee will generally apply if you cancel or change your booking more than 24 hours after confirmation. To secure flexible fares, select our “No cancel fee” or “Changes included” filter while searching for flights. For more details on modifying or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”