Cheap flights from Houston to San Diego

Choose between Southwest Airlines, United Airlines, or Frontier Airlines to find the best price

Why travel with Kiwi.com?

Customer support

We’ve got you covered if anything goes wrong.

Secure payment

Join millions of travelers booking with us.

Hundreds of carriers

Compare 600+ of carriers in one search to find the best deal.

Travelers usually depart from George Bush Intercontinental, William P. Hobby, Houston, Houston, TX-Downtown Transit Center, or Houston-Uptown when they travel from Houston to San Diego. Book your trip to arrive at San Diego International, San Diego, CA Bus Station, San Diego, CA - Old Town, San Diego-La Jolla, or San Diego-Balboa Park. The distance between Houston and San Diego is 2110 km. The most popular airlines for this route are Southwest Airlines, United Airlines, Frontier Airlines, Spirit Airlines, and American Airlines. Houston and San Diego have 198 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights34254932-2533

Fly direct with

Southwest Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Houston to San Diego

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
Southwest AirlinesSWAWNNoUnknownNo
United AirlinesUALUAYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
Spirit AirlinesNKSNKNo10 min before flightNo
American AirlinesAALAAYesUnknownNo

Frequently asked questions

How long does it take to travel from Houston to San Diego?

A one-way nonstop (direct) flight between Houston and San Diego takes around 3.4 hours.

What is the flight distance between Houston and San Diego?

The flight distance between Houston and San Diego is 2110 km.

What airlines offer nonstop (direct) flights between Houston and San Diego?

Several carriers operate flights between Houston and San Diego. Airlines offering nonstop (direct) flights include United Airlines, Southwest Airlines.

What are the most popular routes to and from Houston?

Travelers frequently search for route combinations, such as Houston and Newark Liberty International, Orlando International, Miami International, McCarran International, Los Angeles International, Fort Lauderdale–Hollywood International, Denver International, Hartsfield–Jackson Atlanta International, O Hare International, Logan International, Baltimore–Washington International.

What are the most popular routes to and from San Diego?

Travelers frequently search for route combinations, such as San Diego and Miami International, McCarran International, Los Angeles International, Fort Lauderdale–Hollywood International, Denver International, San Francisco International, Tampa International, Phoenix Sky Harbor International, Dallas/Fort Worth International, William P. Hobby, Seattle–Tacoma International.

Which airports are there in Houston?

Houston is mainly served by George Bush Intercontinental. But there are other airports nearby, including William P. Hobby, Ellington, David Wayne Hooks Memorial Airport.

What airports are near Houston?

The main airport in Houston is George Bush Intercontinental. It is also served by Austin–Bergstrom International, Beaumont Municipal Airport, Jack Brooks Regional, Easterwood, Lake Charles Regional, Victoria Regional.

What airports are near San Diego?

The main airport in San Diego is San Diego International. It is also served by Los Angeles International, Tijuana International, John Wayne, Ontario International, Mexicali International, Hollywood Burbank, Palm Springs International, Long Beach, Imperial County, Yuma International.

What buses and trains depart from Houston?

A number of bus and train companies depart from Houston, including Valley Transit.

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

Find the best connection from Houston to San Diego

Search, compare, and book flights, trains, or buses to get there.

Search flights, trains & buses