Cheap flights from San Diego to Houston

Flights overview

Useful information for finding cheap flights from San Diego to Houston and booking your next trip
Cheapest round-trip flights $160
Frontier 1 stop 13 hr Thu, May 14 — Mon, May 18
The cheapest round-trip flight from San Diego to Houston is currently $160
Cheapest one-way flight $86
Frontier 1 stop 17 hr Thu, May 14
The cheapest one-way flight from San Diego to Houston is currently $86
Cheapest nonstop flights $355
United Nonstop 4 hr Thu, May 28 — Mon, Jun 1
The cheapest nonstop round-trip flight from San Diego to Houston is currently $355
Last-minute weekend getaway $250
Frontier 1 stop 11 hr Thu, Apr 30 — Mon, May 4
The cheapest last-minute weekend getaway from San Diego to Houston is currently $250
Cheapest business class flights $458
Frontier 1 stop 13 hr Thu, Jun 4 — Sun, Jun 7
The cheapest business class round-trip flight from San Diego to Houston is currently $458
Fastest flight 3 hr The fastest nonstop flight from San Diego to Houston takes 3 hr
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Diego to Houston is typically December. The most expensive month to fly is typically March.
December
Cheapest
Typical prices: $145–455
March
Most expensive
Typical prices: $265–430

Popular airlines from San Diego to Houston

  • Southwest
    Nonstop
    from $357
    Typical price: $330–640
    20 weekly nonstop flights
    SAN - HOU Every day
    2419 weekly connecting flights
    SAN - HOU Every day
  • United
    Nonstop
    from $317
    Typical price: $300–540
    33 weekly nonstop flights
    SAN - IAH Every day
    495 weekly connecting flights
    SAN - IAH Every day
  • American
    from $368
    Typical price: $345–730
    568 weekly connecting flights
    SAN - HOU, IAH Every day
  • Delta
    from $375
    Typical price: $385–800
    212 weekly connecting flights
    SAN - HOU, IAH Every day
  • Frontier
    from $160
    Typical price: $190–385
    23 weekly connecting flights
    SAN - IAH Every day
  • Alaska
    from $408
    Typical price: $400–800
    21 weekly connecting flights
    SAN - IAH Every day

Popular airports near San Diego

  • San Diego International Airport (SAN)
    San Diego United States 10 min 2 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 37 min 16 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 2 hr 2 min 111 mi
  • John Wayne Airport (SNA)
    Santa Ana United States 1 hr 21 min 78 mi

Popular airports near Houston

  • George Bush Intercontinental Airport (IAH)
    Houston United States 22 min 16 mi
  • William P. Hobby Airport (HOU)
    Houston United States 22 min 9 mi
  • Dallas Fort Worth International Airport (DFW)
    Dallas United States 3 hr 51 min 237 mi
  • Austin-Bergstrom International Airport (AUS)
    Austin United States 2 hr 27 min 140 mi

Frequently asked questions about flying from San Diego to Houston

The cheapest flights from San Diego to Houston are usually in December. Typical ticket prices in December range from $145 to $455.
The cheapest round-trip flight from San Diego to Houston recently found on Google Flights was with Frontier from $160. The cheapest one-way flight was with Frontier from $86.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from San Diego to Houston is $357, flying from Jun 4 to Jun 8.
  • The cheapest United flight from San Diego to Houston is $317, flying from May 16 to May 17.
  • The cheapest American flight from San Diego to Houston is $368, flying from May 14 to May 18.
  • The cheapest Delta flight from San Diego to Houston is $375, flying from May 28 to Jun 1.
  • The cheapest Frontier flight from San Diego to Houston is $160, flying from May 14 to May 18.
  • The cheapest Alaska flight from San Diego to Houston is $408, flying from Jun 4 to Jun 8.
The cheapest round-trip flight from San Diego to Houston starts at $160 from Thu, May 14 to Mon, May 18. The cheapest one-way flight starts at $86 and departs on Thu, May 14.
3 hr is the shortest flight time from San Diego to Houston.
Most visitors explore Houston May–Aug when the days are hot and humid. Winters (Nov–Feb) tend to be mild. Local events include the Martin Luther King, Jr., Grande Parade (Jan) and the Houston Livestock Show & Rodeo (Mar).
It's easy to use Google Flights to find the cheapest days to fly from San Diego to Houston.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from San Diego to Houston really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Diego to Houston.

In terms of nonstop flights, United is the most popular. United offers 33 nonstop flights and 495 connecting flights per week. United flies from San Diego International Airport (SAN) to George Bush Intercontinental Airport (IAH) .

In terms of flights, Southwest is the most popular. Southwest offers 20 nonstop flights and 2,419 connecting flights per week. Southwest flies from San Diego International Airport (SAN) to William P. Hobby Airport (HOU) .

Other popular airlines flying from San Diego to Houston are:
  • American offers 568 connecting flights per week. American flies from San Diego International Airport (SAN) to William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) .
  • Delta offers 212 connecting flights per week. Delta flies from San Diego International Airport (SAN) to William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) .
  • Frontier offers 23 connecting flights per week. Frontier flies from San Diego International Airport (SAN) to George Bush Intercontinental Airport (IAH) .
  • Alaska offers 21 connecting flights per week. Alaska flies from San Diego International Airport (SAN) to George Bush Intercontinental Airport (IAH) .
The number of connecting flights refers to distinct flights with at least one stop between San Diego and Houston.
The cheapest round-trip flight from San Diego to Houston recently found on Google Flights was with Frontier from $160. The cheapest one-way flight was with Frontier from $86.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from San Diego to Houston is $357, flying from Jun 4 to Jun 8.
  • The cheapest United flight from San Diego to Houston is $317, flying from May 16 to May 17.
  • The cheapest American flight from San Diego to Houston is $368, flying from May 14 to May 18.
  • The cheapest Delta flight from San Diego to Houston is $375, flying from May 28 to Jun 1.
  • The cheapest Frontier flight from San Diego to Houston is $160, flying from May 14 to May 18.
  • The cheapest Alaska flight from San Diego to Houston is $408, flying from Jun 4 to Jun 8.
Southwest and United fly direct from San Diego to Houston.
  • There are 20 Southwest direct flights from San Diego to Houston per week. Flights are available every day.
  • There are 33 United direct flights from San Diego to Houston per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between San Diego and Houston at price $250 is offered by Frontier from Thu, Apr 30 to Mon, May 4.
Southwest and United fly direct from San Diego to Houston.
  • There are 20 Southwest direct flights from San Diego to Houston per week. Flights are available every day.
  • There are 33 United direct flights from San Diego to Houston per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from San Diego to Houston on a daily basis.
The cheapest direct (nonstop) round-trip flights between San Diego and Houston start at $355 from Thu, May 28 to Mon, Jun 1 with United.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Diego to Houston, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between San Diego and Houston start at $458 from Thu, Jun 4 to Sun, Jun 7 with Frontier.
The cheapest economy class round-trip flights between San Diego and Houston start at $160 from Thu, May 14 to Mon, May 18.
To book business class trips from San Diego to Houston, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between San Diego and Houston starts at $250 from Thu, Apr 30 to Mon, May 4 with Frontier.
The cheapest last-minute deal between San Diego and Houston at price $250 is offered by Frontier from Thu, Apr 30 to Mon, May 4.
To find last-minute flight deals from San Diego to Houston, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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