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$88+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HOU
ago. 2 — ago. 91
sáb. 8/2
sáb. 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Houston are usually found in August or September, booked 70 days in advance, depart on a Wednesday or Tuesday 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 julio 28, 2025.

Round-trip from

$172
(Cheapflightsfares)

One-way from

$88
(CheapOair)

Popular in

March

Cheapest in

August

Average price

$377
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. 7% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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.
sáb. 8/166:15 amSAN - IAH
1 stop8h 07mSpirit Airlines
dom. 8/178:56 pmIAH - SAN
1 stop12h 25mSpirit Airlines
Deal found 7/26$172
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/1312:05 pmSAN - IAH
1 stop9h 44mMultiple Airlines
vie. 8/158:56 pmIAH - SAN
1 stop12h 25mMultiple Airlines
Deal found 7/26$194
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2912:05 pmSAN - IAH
1 stop20h 19mFrontier
mar. 8/57:00 amIAH - SAN
1 stop18h 02mFrontier
Deal found 7/27$225
This Southwest deal was found by Cheapflights users on 7/27. 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.
sáb. 8/2311:05 amSAN - HOU
Nonstop3h 20mSouthwest
sáb. 8/302:05 pmHOU - SAN
Nonstop3h 15mSouthwest
Deal found 7/27$277
This American Airlines deal was found by Cheapflights users on 7/26. 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.
mar. 9/96:15 amSAN - HOU
1 stop7h 40mAmerican Airlines
mar. 9/166:00 amHOU - SAN
1 stop5h 52mAmerican Airlines
Deal found 7/26$294
This Delta deal was found by Cheapflights users on 7/27. 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.
sáb. 8/2310:30 pmSAN - HOU
1 stop8h 56mDelta
sáb. 8/301:05 pmHOU - SAN
1 stop10h 10mDelta
Deal found 7/27$297
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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.
jue. 10/25:21 pmSAN - HOU
1 stop16h 43mSun Country Air
dom. 10/59:34 amHOU - SAN
1 stop9h 23mSun Country Air
Deal found 7/25$319

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 julio 28, 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

sáb. 8/16

6:15 am-4:22 pm

1 stop8h 07m

Houston George Bush Intcntl

dom. 8/17

8:56 pm-7:21 am

1 stop12h 25m

$172

San DiegoHouston

SAN - IAH

SANIAH

San Diego

mié. 8/13

12:05 pm-11:49 pm

1 stop9h 44m

Houston George Bush Intcntl

lun. 8/18

8:56 pm-7:21 am

1 stop12h 25m

$194

San DiegoHouston

SAN - IAH

SANIAH

San Diego

sáb. 8/2

12:05 pm-11:49 pm

1 stop9h 44m

Houston George Bush Intcntl

dom. 8/3

1:07 pm-4:58 pm

1 stop5h 51m

$228

San DiegoHouston

SAN - HOU

SANHOU

San Diego

sáb. 8/23

11:05 am-4:25 pm

Nonstop3h 20m

Houston Hobby

sáb. 8/30

2:05 pm-3:20 pm

Nonstop3h 15m

$277

San DiegoHouston

SAN - HOU

SANHOU

San Diego

mar. 9/9

6:15 am-3:55 pm

1 stop7h 40m

Houston Hobby

mar. 9/16

6:00 am-9:52 am

1 stop5h 52m

$294

San DiegoHouston

SAN - HOU

SANHOU

San Diego

sáb. 8/23

10:30 pm-9:26 am

1 stop8h 56m

Houston Hobby

sáb. 8/30

1:05 pm-9:15 pm

1 stop10h 10m

$297

San DiegoHouston

SAN - HOU

SANHOU

San Diego

jue. 10/2

5:21 pm-12:04 pm

1 stop16h 43m

Houston Hobby

dom. 10/5

9:34 am-4:57 pm

1 stop9h 23m

$319

San DiegoHouston

SAN - IAH

SANIAH

San Diego

mar. 9/2

7:01 pm-5:55 am

1 stop8h 54m

$88

San DiegoHouston

SAN - IAH

SANIAH

San Diego

sáb. 10/11

6:25 am-11:25 pm

1 stop15h 00m

$102

San DiegoHouston

SAN - IAH

SANIAH

San Diego

mié. 8/27

10:15 am-3:34 pm

Nonstop3h 19m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 17 results
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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
Airports
SAN

Plan to arrive at SAN two hours before your flight to avoid stress from potential traffic congestion near the airport.

Read more about SANby Blane Bachelor
IAH

For a quick ride to downtown Houston from IAH, Uber or Lyft is recommended, taking around 25 minutes.

Read more about IAHby Evie Carrick
HOU

HOU's arrival roadways are generally congestion-free, making pickups and drop-offs easier even during peak periods.

Read more about HOUby Scott Laird
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
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Scott Laird

Scott Laird

Expert on HOU

Scott Laird

Scott Laird

Originally from Anchorage, Alaska, Scott is a frequent contributor to Fodor’s Travel Guide, Conde Nast Traveler, TravelAge West, and TravelPulse. He holds a Bachelor of Science in Organizational Management from Alaska Pacific University and a Master of Science in Airline Management from Embry-Riddle Aeronautical University, and has worked in the airline and hotel industries and as a travel consultant.

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 July 25, 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 $331). 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 julio 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 9% 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 julio 28, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from San Diego to Houston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,892 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 3 outbound flights 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 ($172), Frontier ($238), and Southwest ($277) offers the cheapest pricing from San Diego to Houston. Users have found that Spirit Airlines is 56% 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 $88. Users have also found prices from $102 and $139 on Frontier and United Airlines, respectively.

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

    Looking at all options, your cheapest flight can be booked for $82. While the most popular route (San Diego - Houston Hobby) can be booked for $133 on average our data indicates $355 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, The Colosseum at Caesars Palace, or Stratosphere Tower. Fremont Street Experience, The Colosseum at Caesars Palace, and Stratosphere Tower are located about 5.9 mi, 2.6 mi, and 4.3 mi, respectively from Las Vegas Harry Reid Intl. Travelers in need of a car in Las Vegas can rent one for about $62 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 $331). 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 julio 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$81Average$187FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$87Average$197FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$188Average$465FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$384FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$267Average$484FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$298Average$448FlexibilityNo cancel feeOn-time63%

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