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$88+ Cheap flights from Houston to San Diego (SAN)

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to San Diego are usually found in August or November, booked 76 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from Houston to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to San Diego (SAN). 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 June 12, 2025.

Round-trip from

$171
(Mytrip)

One-way from

$88
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$405
From Houston to San Diego
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One-way flight from Houston to San Diego
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High demand for flights, 0% potential price rise
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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 June 2025
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Find flight deals from Houston to San Diego

Cheapest flights from Houston to San Diego
Explore the most affordable flight options available from Houston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/12. 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 6/308:53 pmIAH - SAN
2 stops28h 36mSpirit Airlines
Tue 7/86:15 amSAN - IAH
2 stops26h 49mSpirit Airlines
Deal found 6/12$171
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:30 amIAH - SAN
1 stop13h 56mMultiple Airlines
Thu 7/36:51 pmSAN - IAH
1 stop8h 29mMultiple Airlines
Deal found 6/12$180
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 10/114:42 pmIAH - SAN
1 stop7h 43mFrontier
Mon 10/136:25 amSAN - IAH
1 stop15h 00mFrontier
Deal found 6/10$199
This Southwest deal was found by Cheapflights users on 6/12. 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.
Wed 9/109:35 amHOU - SAN
Nonstop3h 15mSouthwest
Wed 9/1012:15 pmSAN - HOU
Nonstop3h 20mSouthwest
Deal found 6/12$217
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/45:50 pmIAH - SAN
1 stop8h 15mAlaska Airlines
Mon 8/187:00 amSAN - IAH
1 stop7h 50mAlaska Airlines
Deal found 6/11$236
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/1310:44 amHOU - SAN
1 stop9h 09mDelta
Mon 8/1810:30 pmSAN - HOU
1 stop9h 15mDelta
Deal found 6/11$237
This Delta deal was found by Cheapflights users on 6/11. 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 8/74:34 pmIAH - SAN
1 stop8h 20mDelta
Sat 8/166:20 amSAN - IAH
1 stop6h 31mDelta
Deal found 6/11$264
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 10/114:30 pmHOU - SAN
1 stop7h 25mAmerican Airlines
Sat 10/184:47 pmSAN - HOU
1 stop4h 57mAmerican Airlines
Deal found 6/12$291
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/44:20 pmIAH - SAN
Nonstop3h 19mUnited Airlines
Wed 8/63:25 pmSAN - IAH
Nonstop3h 20mUnited Airlines
Deal found 6/10$292
This American Airlines deal was found by Cheapflights users on 6/12. 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 12/36:07 amIAH - SAN
1 stop5h 21mAmerican Airlines
Mon 12/81:28 pmSAN - IAH
1 stop8h 00mAmerican Airlines
Deal found 6/12$304
This Sun Country Air deal was found by Cheapflights users on 6/11. 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.
Mon 6/236:05 pmHOU - SAN
1 stop18h 56mSun Country Air
Wed 6/256:01 pmSAN - HOU
1 stop21h 35mSun Country Air
Deal found 6/11$485

Cheapflights Fare Finder

Customize your flight search to find flights from Houston to San Diego 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 June 12, 2025.
Use the filters below to find and compare flights from Houston to San Diego that are best for you.

Fly from

Houston

Fly to

San Diego

Route

Depart

Return

Price

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Mon 6/30

8:53 pm-11:29 pm

2 stops28h 36m

San Diego

Tue 7/8

6:15 am-11:04 am

2 stops26h 49m

$171

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Tue 7/1

6:30 am-6:26 pm

1 stop13h 56m

San Diego

Thu 7/3

6:51 pm-5:20 am

1 stop8h 29m

$180

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sat 10/11

4:42 pm-10:25 pm

1 stop7h 43m

San Diego

Mon 10/13

6:25 am-11:25 pm

1 stop15h 00m

$199

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Wed 9/10

9:35 am-10:50 am

Nonstop3h 15m

San Diego

Wed 9/10

12:15 pm-5:35 pm

Nonstop3h 20m

$217

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Mon 8/4

5:50 pm-12:05 am

1 stop8h 15m

San Diego

Mon 8/18

7:00 am-4:50 pm

1 stop7h 50m

$236

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Wed 8/13

10:44 am-5:53 pm

1 stop9h 09m

San Diego

Mon 8/18

10:30 pm-9:45 am

1 stop9h 15m

$237

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 8/7

4:34 pm-10:54 pm

1 stop8h 20m

San Diego

Sat 8/16

6:20 am-2:51 pm

1 stop6h 31m

$264

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Sat 10/11

4:30 pm-9:55 pm

1 stop7h 25m

San Diego

Sat 10/18

4:47 pm-11:44 pm

1 stop4h 57m

$291

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Mon 8/4

4:20 pm-5:39 pm

Nonstop3h 19m

San Diego

Wed 8/6

3:25 pm-8:45 pm

Nonstop3h 20m

$292

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Wed 12/3

6:07 am-9:28 am

1 stop5h 21m

San Diego

Mon 12/8

1:28 pm-11:28 pm

1 stop8h 00m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 26 results
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The best insider tips for Houston to San Diego 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 Houston to San Diego trip
Airlines
United Airlines

Basic Economy allows a personal item only; no carry-on bags without extra fees.


Economy Plus offers extra legroom seats towards the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom and larger tray tables.


Spirit's self-service bag drop saves time; print your boarding pass in advance.

Read more about Spirit Airlinesby Daniel Scheffler
Airports
IAH

Check security wait times on IAH's website to plan your arrival. This helps avoid delays and ensures a smooth departure process.

Read more about IAHby Evie Carrick
HOU

HOU offers valet parking near the terminal entrance, saving time compared to self-parking. It's not much more expensive than garage parking.

Read more about HOUby Scott Laird
SAN

Use the San Diego Flyer shuttle for a free ride between SAN and Old Town Transit Center, running every 20-30 minutes.

Read more about SANby Blane Bachelor
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
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 Houston to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Houston 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 Houston to San Diego

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to San Diego. Price data was last updated on June 9, 2025.

The best time to book flights from Houston to San Diego is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Houston to San Diego (average of $286). Flying from Houston to San Diego in March is currently the most expensive (average of $366). 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 HOU to SAN?

Find hourly flight availability from Houston to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Houston to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 22% versus a flight in the afternoon.

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

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

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

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Houston to San Diego by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

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

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

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
4,286 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

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
8,787 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

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 Houston to San Diego. 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 into for flights to San Diego from Houston?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly into when you book flights from Houston to San Diego. 5 airlines have flights to San Diego from Houston on a regular basis. Booking flights from Houston to San Diego should not be difficult; the airport handles an average of 2 inbound flights from Houston per day.

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

    According to our current data, Spirit Airlines ($171), Frontier ($199), and Southwest ($217) offers the cheapest pricing from Houston to San Diego. Spirit Airlines is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Houston to San Diego are Spirit Airlines ($88), Frontier ($106), and Southwest ($109).

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

    While on average a flight from Houston to San Diego is generally $346, our data shows the cheapest flight currently is $146. When looking at the most popular route, (Houston Hobby - San Diego), you can expect to pay $149 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to San Diego 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 Houston to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Houston to San Diego (average of $286). Flying from Houston to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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Alternative routes for Houston to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Las Vegas flights
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George Bush Intcntl to Las Vegas flights
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Top 5 airlines flying from Houston to San Diego

Discover the top 5 airlines that operate flights from Houston to San Diego. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$80Average$191FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$172FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$188Average$451FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$462FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$351Average$443FlexibilityNo cancel feeOn-time63%

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