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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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HOU
May 24 — May 311
Sat 5/24
Sat 5/31
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Houston are usually found in August or July, 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 May 19, 2025.

Round-trip from

$182
(Frontier)

One-way from

$82
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$351
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. 12% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 19, 2025.

This Frontier deal was found by Cheapflights users on 5/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2410:50 amSAN - IAH
1 stop10h 57mFrontier
Tue 5/276:45 amIAH - SAN
1 stop6h 08mFrontier
Deal found 5/19$182
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 7/256:50 pmSAN - IAH
1 stop9h 05mSpirit Airlines
Sun 7/272:48 pmIAH - SAN
1 stop10h 12mSpirit Airlines
Deal found 5/18$187
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Sat 6/76:25 amSAN - IAH
1 stop15h 18mMultiple Airlines
Mon 6/96:36 amIAH - SAN
1 stop13h 27mMultiple Airlines
Deal found 5/18$190
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 7/111:58 amSAN - IAH
Nonstop3h 24mUnited Airlines
Fri 7/46:40 pmIAH - SAN
Nonstop3h 21mUnited Airlines
Deal found 5/18$320
This Southwest deal was found by Cheapflights users on 5/18. 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.
Thu 7/36:55 pmSAN - HOU
Nonstop3h 10mSouthwest
Wed 7/93:35 pmHOU - SAN
Nonstop3h 10mSouthwest
Deal found 5/18$320
This Mytrip deal was found by Cheapflights users on 5/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/167:48 amSAN - HOU
1 stop25h 12mMultiple Airlines
Mon 6/236:05 pmHOU - SAN
1 stop18h 56mMultiple Airlines
Deal found 5/17$328
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 10/235:57 pmSAN - HOU
1 stop14h 15mSun Country Air
Sun 10/269:34 amHOU - SAN
1 stop9h 17mSun Country Air
Deal found 5/18$329
This American Airlines deal was found by Cheapflights users on 5/19. 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.
Wed 7/2312:14 pmSAN - HOU
1 stop5h 39mAmerican Airlines
Sat 8/28:58 amHOU - SAN
1 stop5h 04mAmerican Airlines
Deal found 5/19$347
This Delta deal was found by Cheapflights users on 5/19. 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.
Fri 10/3111:00 amSAN - HOU
1 stop8h 40mDelta
Mon 11/310:05 amHOU - SAN
1 stop9h 23mDelta
Deal found 5/19$376
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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.
Fri 9/126:10 pmSAN - IAH
2 stops10h 14mAlaska Airlines
Mon 9/155:59 pmIAH - SAN
1 stop18h 00mAlaska Airlines
Deal found 5/18$378
This Delta deal was found by Cheapflights users on 5/17. 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 12/136:15 amSAN - IAH
1 stop15h 15mDelta
Sun 12/216:25 amIAH - SAN
1 stop8h 33mDelta
Deal found 5/17$457

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 May 19, 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 5/29

7:19 pm-10:23 am

1 stop13h 04m

Houston George Bush Intcntl

Tue 6/3

6:45 am-10:52 am

1 stop6h 07m

$182

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Fri 7/25

6:50 pm-5:55 am

1 stop9h 05m

Houston George Bush Intcntl

Sun 7/27

2:48 pm-11:00 pm

1 stop10h 12m

$187

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sat 6/7

6:25 am-11:43 pm

1 stop15h 18m

Houston George Bush Intcntl

Mon 6/9

6:36 am-6:03 pm

1 stop13h 27m

$190

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Tue 7/1

11:58 am-5:22 pm

Nonstop3h 24m

Houston George Bush Intcntl

Fri 7/4

6:40 pm-8:01 pm

Nonstop3h 21m

$320

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Thu 7/3

6:55 pm-12:05 am

Nonstop3h 10m

Houston Hobby

Wed 7/9

3:35 pm-4:45 pm

Nonstop3h 10m

$320

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Mon 6/16

7:48 am-11:00 am

1 stop25h 12m

Houston Hobby

Mon 6/23

6:05 pm-11:01 am

1 stop18h 56m

$328

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Thu 10/23

5:57 pm-10:12 am

1 stop14h 15m

Houston Hobby

Sun 10/26

9:34 am-4:51 pm

1 stop9h 17m

$329

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Wed 7/23

12:14 pm-7:53 pm

1 stop5h 39m

Houston Hobby

Sat 8/2

8:58 am-12:02 pm

1 stop5h 04m

$347

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Fri 10/31

11:00 am-9:40 pm

1 stop8h 40m

Houston Hobby

Mon 11/3

10:05 am-5:28 pm

1 stop9h 23m

$376

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Fri 9/12

6:10 pm-6:24 am

2 stops10h 14m

Houston George Bush Intcntl

Mon 9/15

5:59 pm-9:59 am

1 stop18h 00m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 23 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 May 16, 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 $332). 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 May 19, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 10% 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 Wednesday 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 May 19, 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
10,000 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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

Food

7.1

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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
4,291 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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
7,951 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8,743 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
732 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

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 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, Frontier ($182), Spirit Airlines ($187), and United Airlines ($320) offers the cheapest pricing from San Diego to Houston. Users have found that Frontier is 51% 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 $90 and $132 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 $157. While the most popular route (San Diego - Houston Hobby) can be booked for $152 on average our data indicates $328 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 $60 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 $332). 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 May 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$186FlexibilityNo cancel feeOn-time65%
FrontierCheapest$108Average$162FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$188Average$464FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$233Average$446FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$384FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$344Average$450FlexibilityNo cancel feeOn-time63%

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