Cheap flights from San Diego to Houston

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

Why travel with Kiwi.com?
Best price

100+ million searches a day to find you the best available price.

Unique content

Explore unique options you won’t find anywhere else.

Travel hacks

Discover flight options and prices the airlines don’t want you to see.

Travelers usually depart from San Diego International, San Diego, CA - Old Town, San Diego, CA Bus Station, San Diego, CA - Santa Fe, or San Diego, CA - La Jolla when they travel from San Diego to Houston. Book your trip to arrive at George Bush Intercontinental, William P. Hobby, Houston, TX - Greyhound Station, Houston, TX Train Station, or Houston, TX - Uptown. The distance between San Diego and Houston is 2095 km. The most popular airlines for this route are American Airlines, United Airlines, Frontier Airlines, Spirit Airlines, and Allegiant Air. San Diego and Houston have 360 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights22636871-5680
Fly direct with

Spirit Airlines on Wednesdays, Fridays, and Saturdays.

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

Check-in for a flight from San Diego to Houston

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
American AirlinesAALAAYesNo
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight

Frequently asked questions

How long does it take to travel from San Diego to Houston?
A one-way nonstop (direct) flight between San Diego and Houston takes around 3.1 hours.
What is the flight distance between San Diego and Houston?
The flight distance between San Diego and Houston is 2095 km.
What airlines offer nonstop (direct) flights between San Diego and Houston?
Several carriers operate flights between San Diego and Houston. Airlines offering nonstop (direct) flights include United Airlines, Spirit Airlines.
What are the most popular routes to and from San Diego?
Travelers frequently search for route combinations, such as San Diego and Dallas, Phoenix.
What are the most popular routes to and from Houston?
Travelers frequently search for route combinations, such as Houston and Tampa, Toronto, Montreal, Vancouver, Calgary, Winnipeg, Edmonton, Ottawa, Kelowna, Quebec City, Victoria, Saskatoon.
Which airports are there in San Diego?
San Diego is mainly served by San Diego International. But there are other airports nearby, including McClellan–Palomar, Marine Corps Air Station Miramar.
What airports are near San Diego?
The main airport in San Diego is San Diego International. It is also served by Los Angeles International, Ontario International, Tijuana International, John Wayne, Hollywood Burbank, Mexicali International, Palm Springs International, Long Beach, Imperial County, Yuma International.
What airports are near Houston?
The main airport in Houston is George Bush Intercontinental. It is also served by Austin–Bergstrom International, Easterwood, Beaumont Municipal Airport, Jack Brooks Regional, Lake Charles Regional, Victoria Regional.
What buses and trains depart from San Diego?
A number of bus and train companies depart from San Diego, including Greyhound.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Diego and Houston?
What is Virtual Interlining and how do I use it?
Which airlines fly between San Diego and Houston?
When's the best time to travel between San Diego and Houston?
What flights operate between San Diego and Houston?
How many airports are there near San Diego?
How many airports are there near Houston?
Is it possible to reach San Diego by bus or train?
What time do nonstop (direct) flights between San Diego and Houston depart?
What time do nonstop (direct) flights between San Diego and Houston arrive?
What time do flights between San Diego and Houston depart?
What time do flights between San Diego and Houston arrive?

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 San Diego to Houston

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

Search flights, trains & buses