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$82+ Cheap flights from San Diego (SAN) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HOU
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Houston are usually found in May or August, booked 70 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from San Diego to Houston

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2025.

Round-trip from

$160
(Kiwi.com)

One-way from

$82
(Cheapflightsfares)

Popular in

March

Cheapest in

May

Average price

$368
From San Diego to Houston
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One-way flight from San Diego to Houston
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Highest demand for flights based on searches. 13% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from San Diego to Houston

Cheapest flights from San Diego to Houston
Explore the most affordable flight options available from San Diego to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/228:48 pmSAN - IAH
1 stop6h 43mSpirit Airlines
Sun 5/252:45 pmIAH - SAN
1 stop11h 11mSpirit Airlines
Deal found 4/16$164
This Cheapflightsfares deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:48 pmSAN - IAH
1 stop6h 43mMultiple Airlines
Sun 5/118:27 pmIAH - SAN
1 stop5h 31mMultiple Airlines
Deal found 4/17$180
This CheapOair deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:25 amSAN - IAH
1 stop15h 12mFrontier
Sat 4/266:00 amIAH - SAN
1 stop8h 10mFrontier
Deal found 4/17$181
This CheapOair deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/177:39 pmSAN - HOU
1 stop11h 53mFrontier
Mon 4/2110:36 amHOU - SAN
1 stop15h 38mFrontier
Deal found 4/17$201
This Sun Country Air deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:05 pmSAN - HOU
1 stop15h 28mSun Country Air
Sun 5/189:10 amHOU - SAN
1 stop9h 41mSun Country Air
Deal found 4/17$305
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/112:50 pmSAN - HOU
Nonstop3h 05mSouthwest
Tue 5/208:45 amHOU - SAN
Nonstop3h 25mSouthwest
Deal found 4/17$323
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1010:30 pmSAN - HOU
1 stop9h 03mDelta
Wed 5/142:45 pmHOU - SAN
1 stop7h 23mDelta
Deal found 4/17$343
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/106:15 amSAN - IAH
Nonstop3h 18mUnited Airlines
Mon 5/126:35 pmIAH - SAN
Nonstop3h 32mUnited Airlines
Deal found 4/17$344
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:26 pmSAN - IAH
1 stop8h 03mAmerican Airlines
Tue 9/166:33 pmIAH - SAN
1 stop5h 14mAmerican Airlines
Deal found 4/17$385
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/92:27 pmSAN - HOU
1 stop7h 31mAmerican Airlines
Sun 5/118:16 pmHOU - SAN
1 stop5h 27mAmerican Airlines
Deal found 4/16$385
This Alaska Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/89:59 pmSAN - IAH
2 stops24h 00mAlaska Airlines
Thu 5/155:54 pmIAH - SAN
1 stop8h 05mAlaska Airlines
Deal found 4/17$441
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/93:59 pmSAN - IAH
1 stop5h 31mDelta
Mon 10/136:35 pmIAH - SAN
1 stop7h 10mDelta
Deal found 4/17$469

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from San Diego to Houston that are best for you.

Fly from

San Diego

Fly to

Houston

Route

Depart

Return

Price

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Thu 5/22

8:48 pm-5:31 am

1 stop6h 43m

Houston George Bush Intcntl

Sun 5/25

2:45 pm-11:56 pm

1 stop11h 11m

$164

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Fri 5/9

8:48 pm-5:31 am

1 stop6h 43m

Houston George Bush Intcntl

Sun 5/11

8:27 pm-11:58 pm

1 stop5h 31m

$180

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Wed 5/21

1:23 pm-11:53 pm

1 stop8h 30m

Houston George Bush Intcntl

Sat 5/24

9:05 pm-11:59 pm

1 stop28h 54m

$181

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Thu 5/15

6:05 pm-11:33 am

1 stop15h 28m

Houston Hobby

Sun 5/18

9:10 am-4:51 pm

1 stop9h 41m

$305

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Sun 5/11

2:50 pm-7:55 pm

Nonstop3h 05m

Houston Hobby

Tue 5/20

8:45 am-10:10 am

Nonstop3h 25m

$323

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Sat 5/10

10:30 pm-9:33 am

1 stop9h 03m

Houston Hobby

Wed 5/14

2:45 pm-8:08 pm

1 stop7h 23m

$343

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sat 5/10

6:15 am-11:33 am

Nonstop3h 18m

Houston George Bush Intcntl

Mon 5/12

6:35 pm-8:07 pm

Nonstop3h 32m

$344

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Tue 9/9

1:26 pm-11:29 pm

1 stop8h 03m

Houston George Bush Intcntl

Tue 9/16

6:33 pm-9:47 pm

1 stop5h 14m

$385

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Fri 5/9

4:43 pm-11:58 pm

1 stop5h 15m

Houston Hobby

Sun 5/11

5:00 am-8:33 am

1 stop5h 33m

$385

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Thu 5/8

9:59 pm-11:59 pm

2 stops24h 00m

Houston George Bush Intcntl

Thu 5/15

5:54 pm-11:59 pm

1 stop8h 05m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 24 results
1
2
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The best insider tips for San Diego to Houston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Houston trip
Airlines
United Airlines

United's Economy Plus offers extra legroom and priority boarding, ideal for business travelers.


United's Polaris Lounges offer showers and dining, perfect for relaxing before flights.

Read more about United Airlinesby Harriet Baskas
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort on short flights.


Use Spirit's self-service bag drop for quick check-in; print boarding pass to avoid fees.

Read more about Spirit Airlinesby Daniel Scheffler
Southwest

Southwest offers two free checked bags, beneficial for family or leisure travelers.


Southwest's open seating policy allows flexibility; check in early for better seat choice.

Read more about Southwestby Marisa Garcia
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Marisa Garcia

Marisa Garcia

Expert on Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more

Best time to book a flight from San Diego to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Houston

How far ahead should I book a flight from San Diego to Houston?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Houston. Price data was last updated on April 11, 2025.

The price you pay for your flight from San Diego to Houston may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego to Houston?

Currently, September is the cheapest month in which you can book a flight from San Diego to Houston (average of $230). Flying from San Diego to Houston in March is currently the most expensive (average of $334). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to HOU?

Find hourly flight availability from San Diego to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 12% on flights from San Diego to Houston by exploring options for tickets in the afternoon.

What is the cheapest day to fly from San Diego to Houston?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Houston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Houston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated April 17, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Diego to Houston have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Diego to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Houston?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to Houston. You should not have trouble finding flights to Houston from San Diego; the airport handles an average of 1 outbound flight to Houston per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the San Diego airport to Houston. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

  • What are the cheapest airlines flying from San Diego to Houston round-trip?

    According to our current data, Spirit Airlines ($164), Frontier ($178), and Sun Country Air ($305) offers the cheapest pricing from San Diego to Houston. Users have found that Spirit Airlines is 54% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Diego to Houston one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $82. Users have also found prices from $89 and $112 on Frontier and Allegiant Air, respectively.

  • What are the cheapest flights from San Diego to Houston?

    Looking at all options, your cheapest flight can be booked for $175. While the most popular route (San Diego - Houston Hobby) can be booked for $131 on average our data indicates $334 when flying from San Diego to Houston.

  • Where are the most common layover locations when flying from San Diego to Houston?

    Of the flights from San Diego to Houston that have layovers, most of them stop in Las Vegas.

  • What are some popular things to do or see while on a layover in Las Vegas?

    If you're on a layover in Las Vegas and looking for things to do, consider visiting Fremont Street Experience, Colosseum at Caesars Palace, or Fountains of Bellagio. Fremont Street Experience, Colosseum at Caesars Palace, and Fountains of Bellagio are located about 5.9 mi, 2.6 mi, and 2.3 mi, respectively from Las Vegas Harry Reid Intl. Travelers in need of a car in Las Vegas can rent one for about $63 per day.

  • Where are the least popular layover locations for San Diego to Houston flights?

    San Diego to Houston flights that have layovers will least frequently stop in Dallas.

  • Can I find deals for flights from San Diego to Houston that include hotel bookings?

    Yes. In addition to deals on San Diego to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Houston.

  • Can I find deals for business class flights from San Diego to Houston?

    Yes. Cheapflights offers flight deals from San Diego to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Houston?

    Currently, September is the cheapest month in which you can book a flight from San Diego to Houston (average of $230). Flying from San Diego to Houston in March is currently the most expensive (average of $334). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Diego to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from San Diego to Houston

Discover the top 6 airlines that operate flights from San Diego to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$171FlexibilityNo cancel feeOn-time65%
FrontierCheapest$104Average$162FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$207Average$462FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$436FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$384FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$355Average$450FlexibilityNo cancel feeOn-time63%

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