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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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HOU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 61 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:00 am
SAN
-
IAH
1 stop10h 51m
Frontier
Tue 2/178:45 am
IAH
-
SAN
2 stops13h 39m
Frontier
Deal found 1/27$186
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:07 pm
SAN
-
IAH
1 stop12h 55m
Frontier
Mon 4/2012:57 pm
IAH
-
SAN
1 stop6h 43m
Frontier
Deal found 1/27$187
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:18 pm
SAN
-
IAH
1 stop7h 36m
Multiple Airlines
Mon 3/29:51 pm
IAH
-
SAN
2 stops25h 50m
Multiple Airlines
Deal found 1/27$188
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:58 pm
SAN
-
IAH
1 stop5h 53m
Multiple Airlines
Mon 3/309:33 pm
IAH
-
SAN
1 stop17h 40m
Multiple Airlines
Deal found 1/27$189
This Frontier deal was found by Cheapflights users on 1/28. 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.
Wed 2/187:11 am
SAN
-
IAH
1 stop10h 03m
Frontier
Sat 2/214:59 pm
IAH
-
SAN
1 stop9h 09m
Frontier
Deal found 1/28$190
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:25 am
SAN
-
IAH
1 stop16h 23m
Frontier
Mon 4/209:44 am
IAH
-
SAN
1 stop16h 17m
Frontier
Deal found 1/27$191
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/107:11 am
SAN
-
IAH
1 stop10h 03m
Frontier
Wed 2/118:45 am
IAH
-
SAN
1 stop14h 56m
Frontier
Deal found 1/27$193
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/266:36 pm
SAN
-
IAH
2 stops27h 57m
Frontier
Sat 2/284:59 pm
IAH
-
SAN
1 stop9h 09m
Frontier
Deal found 1/28$194
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/196:36 pm
SAN
-
IAH
2 stops13h 00m
Frontier
Mon 2/239:51 pm
IAH
-
SAN
1 stop24h 33m
Frontier
Deal found 1/28$195
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:11 am
SAN
-
IAH
1 stop14h 21m
Multiple Airlines
Sat 2/281:05 pm
IAH
-
SAN
2 stops13h 03m
Multiple Airlines
Deal found 1/27$197
This Frontier deal was found by Cheapflights users on 1/28. 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.
Wed 2/47:00 am
SAN
-
IAH
1 stop6h 13m
Frontier
Thu 2/266:39 am
IAH
-
SAN
1 stop6h 35m
Frontier
Deal found 1/28$200
This Frontier deal was found by Cheapflights users on 1/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:47 am
SAN
-
IAH
1 stop11h 18m
Frontier
Tue 4/144:02 pm
IAH
-
SAN
1 stop6h 02m
Frontier
Deal found 1/27$201

Find 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 January 29, 2026.

Round-trip from

$186
(Kiwi.com)

One-way from

$88
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$429
From San Diego to Houston
Search Deals
One-way flight from San Diego to Houston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Sat 3/7

6:25 am-10:01 pm

1 stop13h 36m

Houston George Bush Intcntl

Sun 3/8

6:45 am-8:33 pm

1 stop15h 48m

$225

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sun 4/5

6:25 am-12:48 am

1 stop16h 23m

Houston George Bush Intcntl

Sun 4/12

6:45 am-12:02 am

1 stop19h 17m

$245

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sun 2/15

6:25 am-12:33 am

1 stop16h 08m

Houston George Bush Intcntl

Fri 2/20

6:15 am-10:26 am

2 stops30h 11m

$276

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Tue 2/24

10:09 pm-5:53 pm

2 stops17h 44m

Houston George Bush Intcntl

Fri 2/27

5:33 pm-7:17 am

2 stops15h 44m

$339

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Wed 4/8

6:30 pm-11:35 pm

Nonstop3h 05m

Houston Hobby

Tue 4/14

8:50 am-10:15 am

Nonstop3h 25m

$409

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Wed 4/22

8:45 am-5:02 pm

1 stop6h 17m

Houston George Bush Intcntl

Wed 4/29

12:17 pm-1:51 pm

Nonstop3h 34m

$417

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Sat 3/7

7:10 am-12:20 pm

Nonstop3h 10m

Houston Hobby

Tue 3/10

7:25 pm-9:00 pm

Nonstop3h 35m

$418

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Wed 3/4

12:16 pm-5:25 pm

Nonstop3h 09m

Houston George Bush Intcntl

Mon 3/9

6:31 pm-8:18 pm

Nonstop3h 47m

$419

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Wed 3/25

12:16 pm-5:25 pm

Nonstop3h 09m

Houston George Bush Intcntl

Sat 4/18

4:31 pm-6:05 pm

Nonstop3h 34m

$419

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Wed 3/25

1:30 pm-6:30 pm

Nonstop3h 00m

Houston Hobby

Sat 4/18

8:20 pm-9:45 pm

Nonstop3h 25m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 42 results
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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 January 23, 2026.

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 61 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, January is the cheapest month in which you can book a flight from San Diego to Houston (average of $55). Flying from San Diego to Houston in August is currently the most expensive (average of $112). 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 January 29, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from San Diego to Houston by exploring options for tickets in the evening.

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 January 24, 2026.

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

The best insider tips for San Diego to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Houston trip
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

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 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

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

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 January 29, 2026.
Read reviews from past customers who have flown Southwest, United Airlines, and Spirit Airlines 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.
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,394 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 5 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.

  • How long is the flight from San Diego to Houston?

    For as low as $409, Frontier can have you in Houston from San Diego in 3h 05m. Airlines will cover a distance of 1310 mi. This flight may include one or multiple stops.

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

    According to our current data, Spirit Airlines ($83), Frontier ($84), and United Airlines ($248) offers the cheapest pricing from San Diego to Houston. Users have found that Spirit Airlines is 79% 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 $49. Users have also found prices from $64 and $114 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 $129. While the most popular route (San Diego - Houston Hobby) can be booked for $153 on average, our data indicates $359 when flying from San Diego to Houston.

  • 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, January is the cheapest month in which you can book a flight from San Diego to Houston (average of $55). Flying from San Diego to Houston in August is currently the most expensive (average of $112). 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

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Top 5 airlines flying from San Diego to Houston

Discover the top 5 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$189FlexibilityNo cancel feeOn-time65%
FrontierCheapest$84Average$236FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$248Average$474FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$257Average$437FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$356Average$544FlexibilityNo cancel feeOn-time71%

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