Cheap flights from Houston to San Diego

Flights overview

Useful information for finding cheap flights from Houston to San Diego and booking your next trip
Cheapest round-trip flights$254
Frontier1 stop6 hrThu, Aug 6 — Wed, Aug 12
The cheapest round-trip flight from Houston to San Diego is currently $254
Cheapest one-way flight$125
Frontier1 stop6 hrWed, Aug 5
The cheapest one-way flight from Houston to San Diego is currently $125
Cheapest nonstop flights$307
UnitedNonstop4 hrSat, Aug 8 — Sat, Aug 15
The cheapest nonstop round-trip flight from Houston to San Diego is currently $307
Last-minute weekend getaway$410
Frontier1 stop6 hrSat, Jun 27 — Sun, Jun 28
The cheapest last-minute weekend getaway from Houston to San Diego is currently $410
Cheapest business class flights$502
Frontier1 stop28 hrThu, Aug 6 — Wed, Aug 12
The cheapest business class round-trip flight from Houston to San Diego is currently $502
Fastest flight3 hr 5 minThe fastest nonstop flight from Houston to San Diego takes 3 hr 5 min
Nonstop flightsEvery dayThere are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Houston to San Diego is typically September. The most expensive month to fly is typically March.
September
Cheapest
Typical prices: $165–240
March
Most expensive
Typical prices: $240–415

Popular airlines from Houston to San Diego

  • Southwest
    Nonstop
    from $317
    Typical price: $335–630
    20 weekly nonstop flights
    HOU - SANEvery day
    2584 weekly connecting flights
    HOU - SANEvery day
  • United
    Nonstop
    from $307
    Typical price: $305–580
    33 weekly nonstop flights
    IAH - SANEvery day
    485 weekly connecting flights
    IAH - SANEvery day
  • American
    from $327
    Typical price: $360–710
    611 weekly connecting flights
    HOU, IAH - SANEvery day
  • Delta
    from $327
    Typical price: $415–800
    248 weekly connecting flights
    HOU, IAH - SANEvery day
  • Alaska
    from $352
    Typical price: $400–800
    35 weekly connecting flights
    IAH - SANEvery day
  • Frontier
    from $254
    Typical price: $195–390
    25 weekly connecting flights
    IAH - SANEvery day

Popular airports near Houston

  • George Bush Intercontinental Airport (IAH)
    HoustonUnited States22 min16 mi
  • William P. Hobby Airport (HOU)
    HoustonUnited States23 min9 mi
  • Dallas Fort Worth International Airport (DFW)
    DallasUnited States3 hr 52 min237 mi
  • Austin-Bergstrom International Airport (AUS)
    AustinUnited States2 hr 27 min140 mi

Popular airports near San Diego

  • San Diego International Airport (SAN)
    San DiegoUnited States10 min2 mi
  • Tijuana International Airport (TIJ)
    TijuanaMexico37 min16 mi
  • Los Angeles International Airport (LAX)
    Los AngelesUnited States2 hr 2 min111 mi
  • John Wayne Airport (SNA)
    Santa AnaUnited States1 hr 22 min78 mi

Frequently asked questions about flying from Houston to San Diego

The cheapest flights from Houston to San Diego are usually in September. Typical ticket prices in September range from $165 to $240.
The cheapest round-trip flight from Houston to San Diego recently found on Google Flights was with Frontier from $254. The cheapest one-way flight was with Frontier from $125.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Houston to San Diego is $317, flying from Aug 22 to Aug 29.
  • The cheapest United flight from Houston to San Diego is $307, flying from Aug 22 to Aug 29.
  • The cheapest American flight from Houston to San Diego is $327, flying from Sep 19 to Sep 26.
  • The cheapest Delta flight from Houston to San Diego is $327, flying from Aug 15 to Aug 22.
  • The cheapest Alaska flight from Houston to San Diego is $352, flying from Sep 17 to Sep 23.
  • The cheapest Frontier flight from Houston to San Diego is $254, flying from Aug 6 to Aug 12.
The cheapest round-trip flight from Houston to San Diego starts at $254 from Thu, Aug 6 to Wed, Aug 12. The cheapest one-way flight starts at $125 and departs on Wed, Aug 5.
3 hr 5 min is the shortest flight time from Houston to San Diego.
Jun–Aug is when most people visit San Diego, where the weather's temperate year-round. Beaches are less crowded Dec–Feb, which bring cooler temperatures but brighter sun. Whale-watching season is from mid-Dec–mid-Mar. Major annual events include Comic-Con International (Jul), a massive comic book convention with workshops and film screenings. Fleet Week (autumn) is a large military appreciation event featuring Navy ship tours, an air show and more.
It's easy to use Google Flights to find the cheapest days to fly from Houston to San Diego.
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 Houston to San Diego 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 Houston to San Diego.

In terms of nonstop flights, United is the most popular. United offers 33 nonstop flights and 485 connecting flights per week. United flies from George Bush Intercontinental Airport (IAH) to San Diego International Airport (SAN).

In terms of flights, Southwest is the most popular. Southwest offers 20 nonstop flights and 2,584 connecting flights per week. Southwest flies from William P. Hobby Airport (HOU) to San Diego International Airport (SAN).

Other popular airlines flying from Houston to San Diego are:
  • American offers 611 connecting flights per week. American flies from William P. Hobby Airport (HOU), George Bush Intercontinental Airport (IAH) to San Diego International Airport (SAN).
  • Delta offers 248 connecting flights per week. Delta flies from William P. Hobby Airport (HOU), George Bush Intercontinental Airport (IAH) to San Diego International Airport (SAN).
  • Alaska offers 35 connecting flights per week. Alaska flies from George Bush Intercontinental Airport (IAH) to San Diego International Airport (SAN).
  • Frontier offers 25 connecting flights per week. Frontier flies from George Bush Intercontinental Airport (IAH) to San Diego International Airport (SAN).
The number of connecting flights refers to distinct flights with at least one stop between Houston and San Diego.
The cheapest round-trip flight from Houston to San Diego recently found on Google Flights was with Frontier from $254. The cheapest one-way flight was with Frontier from $125.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Houston to San Diego is $317, flying from Aug 22 to Aug 29.
  • The cheapest United flight from Houston to San Diego is $307, flying from Aug 22 to Aug 29.
  • The cheapest American flight from Houston to San Diego is $327, flying from Sep 19 to Sep 26.
  • The cheapest Delta flight from Houston to San Diego is $327, flying from Aug 15 to Aug 22.
  • The cheapest Alaska flight from Houston to San Diego is $352, flying from Sep 17 to Sep 23.
  • The cheapest Frontier flight from Houston to San Diego is $254, flying from Aug 6 to Aug 12.
Southwest and United fly direct from Houston to San Diego.
  • There are 20 Southwest direct flights from Houston to San Diego per week. Flights are available every day.
  • There are 33 United direct flights from Houston to San Diego 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 Houston and San Diego at price $410 is offered by Frontier from Sat, Jun 27 to Sun, Jun 28.
Southwest and United fly direct from Houston to San Diego.
  • There are 20 Southwest direct flights from Houston to San Diego per week. Flights are available every day.
  • There are 33 United direct flights from Houston to San Diego 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 Houston to San Diego on a daily basis.
The cheapest direct (nonstop) round-trip flights between Houston and San Diego start at $307 from Sat, Aug 8 to Sat, Aug 15 with United.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Houston to San Diego, 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 Houston and San Diego start at $502 from Thu, Aug 6 to Wed, Aug 12 with Frontier.
The cheapest economy class round-trip flights between Houston and San Diego start at $254 from Thu, Aug 6 to Wed, Aug 12.
To book business class trips from Houston to San Diego, 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 Houston and San Diego starts at $410 from Sat, Jun 27 to Sun, Jun 28 with Frontier.
The cheapest last-minute deal between Houston and San Diego at price $410 is offered by Frontier from Sat, Jun 27 to Sun, Jun 28.
To find last-minute flight deals from Houston to San Diego, 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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