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George Bush Intcntl

$42+ Cheap flights from San Diego (SAN) to George Bush Intcntl (IAH)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — IAH
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Houston George Bush Intcntl are usually found in July or August, booked 83 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from San Diego to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to George Bush Intcntl (IAH). 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 agosto 14, 2025.

Round-trip from

$172
(FlightHub)

One-way from

$42
(Kiwi.com)

Popular in

February

Cheapest in

July

Average price

$356

Good round-trip deal

$400 or less

Good one-way deal

$226 or less
From San Diego to Houston George Bush Intcntl
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One-way flight from San Diego to Houston George Bush Intcntl
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Highest demand for flights based on searches. 4% potential increase in price ($20 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 August 2025
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Price to beat on a round-trip flight from San Diego to Houston George Bush Intcntl.
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Price to beat on a one-way flight from San Diego to Houston George Bush Intcntl.
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Find flight deals from San Diego to George Bush Intcntl

Cheapest flights from San Diego to George Bush Intcntl
Explore the most affordable flight options available from San Diego to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/286:15 amSAN - IAH
2 stops14h 20mSpirit Airlines
lun. 9/18:56 pmIAH - SAN
1 stop12h 25mSpirit Airlines
Deal found 8/11$172
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/196:15 amSAN - IAH
1 stop8h 07mSpirit Airlines
jue. 8/218:56 pmIAH - SAN
1 stop12h 25mSpirit Airlines
Deal found 8/12$173
This Kiwi.com deal was found by Cheapflights users on 8/14. 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. 9/178:00 amSAN - IAH
2 stops12h 26mMultiple Airlines
jue. 9/256:15 amIAH - SAN
1 stop6h 54mMultiple Airlines
Deal found 8/14$174
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
vie. 8/296:15 amSAN - IAH
1 stop8h 07mSpirit Airlines
lun. 9/18:56 pmIAH - SAN
1 stop12h 25mSpirit Airlines
Deal found 8/14$175
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
sáb. 9/137:15 amSAN - IAH
1 stop11h 59mMultiple Airlines
sáb. 9/207:57 amIAH - SAN
2 stops12h 45mMultiple Airlines
Deal found 8/14$176
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/166:15 amSAN - IAH
1 stop8h 07mSpirit Airlines
lun. 10/209:32 amIAH - SAN
1 stop11h 10mSpirit Airlines
Deal found 8/12$177
This FlightHub deal was found by Cheapflights users on 8/13. 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.
jue. 8/146:15 amSAN - IAH
1 stop8h 07mSpirit Airlines
lun. 8/188:56 pmIAH - SAN
1 stop12h 25mSpirit Airlines
Deal found 8/13$178
This FlightHub deal was found by Cheapflights users on 8/13. 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.
vie. 9/121:35 pmSAN - IAH
1 stop14h 15mSpirit Airlines
dom. 9/149:26 pmIAH - SAN
1 stop12h 03mSpirit Airlines
Deal found 8/13$180
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/161:35 pmSAN - IAH
2 stops12h 55mMultiple Airlines
lun. 9/295:07 pmIAH - SAN
1 stop7h 19mMultiple Airlines
Deal found 8/12$181
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/168:19 amSAN - IAH
1 stop6h 03mSpirit Airlines
dom. 10/1910:10 pmIAH - SAN
1 stop11h 14mSpirit Airlines
Deal found 8/12$183
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/151:35 pmSAN - IAH
1 stop14h 15mSpirit Airlines
vie. 9/269:26 pmIAH - SAN
1 stop12h 03mSpirit Airlines
Deal found 8/12$184

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to George Bush Intcntl 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 agosto 14, 2025.
Use the filters below to find and compare flights from San Diego to Houston George Bush Intcntl Airport that are best for you.

Fly from

San Diego

Fly to

George Bush Intcntl

Route

Depart

Return

Price

San DiegoHouston

SAN - IAH

SANIAH

San Diego

mié. 9/10

1:35 pm-4:30 am

2 stops12h 55m

Houston George Bush Intcntl

mié. 9/17

7:10 am-11:34 pm

2 stops18h 24m

$173

San DiegoHouston

SAN - IAH

SANIAH

San Diego

jue. 9/11

8:25 am-4:43 pm

1 stop6h 18m

Houston George Bush Intcntl

mar. 9/16

9:26 pm-7:29 am

1 stop12h 03m

$173

San DiegoHouston

SAN - IAH

SANIAH

San Diego

jue. 8/21

6:15 am-4:22 pm

1 stop8h 07m

Houston George Bush Intcntl

jue. 8/21

8:56 pm-7:21 am

1 stop12h 25m

$173

San DiegoHouston

SAN - IAH

SANIAH

San Diego

mié. 9/17

8:00 am-10:26 pm

2 stops12h 26m

Houston George Bush Intcntl

dom. 9/28

6:15 am-11:09 am

1 stop6h 54m

$174

San DiegoHouston

SAN - IAH

SANIAH

San Diego

mié. 9/17

8:00 am-10:26 pm

2 stops12h 26m

Houston George Bush Intcntl

jue. 9/25

6:15 am-11:09 am

1 stop6h 54m

$174

San DiegoHouston

SAN - IAH

SANIAH

San Diego

vie. 8/29

7:01 pm-6:05 am

1 stop9h 04m

Houston George Bush Intcntl

mar. 9/2

8:00 am-7:21 am

2 stops25h 21m

$174

San DiegoHouston

SAN - IAH

SANIAH

San Diego

jue. 11/6

7:05 pm-5:18 am

1 stop8h 13m

Houston George Bush Intcntl

mar. 11/11

2:06 pm-6:09 pm

1 stop6h 03m

$175

San DiegoHouston

SAN - IAH

SANIAH

San Diego

vie. 8/29

6:15 am-4:22 pm

1 stop8h 07m

Houston George Bush Intcntl

lun. 9/1

8:56 pm-7:21 am

1 stop12h 25m

$175

San DiegoHouston

SAN - IAH

SANIAH

San Diego

mar. 10/7

7:47 pm-5:46 am

1 stop7h 59m

Houston George Bush Intcntl

jue. 10/16

10:10 pm-7:26 am

1 stop11h 16m

$176

San DiegoHouston

SAN - IAH

SANIAH

San Diego

sáb. 9/13

6:15 am-4:43 pm

1 stop8h 28m

Houston George Bush Intcntl

mar. 9/23

9:29 am-6:42 pm

1 stop11h 13m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 20 results
1
2

The best insider tips for San Diego to Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport trip
Airlines
United Airlines

Basic Economy allows a personal item only; no carry-on bags unless you're a MileagePlus member.


Economy Plus offers extra legroom seats at the front of the cabin, enhancing comfort on domestic 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.


Spirit's self-service bag drop saves time; print your boarding pass to avoid extra charges.

Read more about Spirit Airlinesby Daniel Scheffler
Airports
SAN

Plan for traffic congestion when departing SAN. Arrive early to avoid delays, especially during peak times like 4-6:15 a.m. and 9:30 a.m.-12:30 p.m.

Read more about SANby Blane Bachelor
IAH

For a quick ride to downtown Houston, Uber or Lyft is recommended. Pickups are available at Terminals A, B, and C.

Read more about IAHby Evie Carrick
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

Best time to book a flight from San Diego to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

How far ahead should I book a flight from San Diego to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to George Bush Intcntl. Price data was last updated on August 8, 2025.

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Houston George Bush Intcntl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Diego to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from San Diego to Houston George Bush Intcntl Airport (average of $241). Flying from San Diego to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 IAH?

Find hourly flight availability from San Diego to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

One of the essential ways to save on airfare from San Diego to Houston George Bush Intcntl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 59% on airfare.

What is the cheapest day to fly from San Diego to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Diego to George Bush Intcntl. Price data was last updated on August 10, 2025.

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

What’s the top layover airport for flights from San Diego to Houston George Bush Intcntl Airport?

Share of 1-stop round-trip flights from San Diego to Houston George Bush Intcntl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Las Vegas (LAS) – chosen by Cheapflights users on 83% of 1-stop itineraries from San Diego to Houston George Bush Intcntl Airport on Cheapflights.

What’s the cheapest layover airport for flights from San Diego to Houston George Bush Intcntl Airport?

Average round-trip fare for 1-stop flights from San Diego to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $198.

What’s the fastest layover option from San Diego to Houston George Bush Intcntl Airport?

Shortest average travel time for 1-stop one-way flights from San Diego to Houston George Bush Intcntl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 7h 40m.

Which airport typically offers the quickest layover for flights from San Diego to Houston George Bush Intcntl Airport?

Average layover duration for 1-stop one-way flights from San Diego to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 2h 12m.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated agosto 14, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Spirit Airlines from San Diego to Houston George Bush Intcntl Airport. 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.
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Spirit Airlines
6.3
Okay
8,046 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Frontier
5.8
Fair
3,217 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

Find useful and relevant information for your journey from San Diego to George Bush Intcntl. 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 George Bush Intcntl?

    For a flight from San Diego to Houston George Bush Intcntl, you will be flying from San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 5 outbound flights to Houston George Bush Intcntl per day. 4 airlines have flights to Houston George Bush Intcntl from San Diego on a regular basis.

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

    According to our current data, Frontier ($81), Spirit Airlines ($117), and American Airlines ($246) offers the cheapest pricing from San Diego to Houston George Bush Intcntl Airport. You may be able to fly from San Diego to Houston George Bush Intcntl Airport for 80% less than the average price by searching for these airlines.

  • What are the most reliable airlines from San Diego to Houston George Bush Intcntl Airport?

    The top 3 most reliable airlines when flying from San Diego to Houston George Bush Intcntl Airport are Emirates (82%), Lufthansa (82%) and United Airlines (79%).

  • What are the cheapest flights from San Diego to Houston George Bush Intcntl Airport?

    On average you can expect to pay $817 for a flight from San Diego to Houston George Bush Intcntl Airport. The cheapest flight overall is $145 while the most popular route, (San Diego - Houston George Bush Intcntl) is currently priced at $92.

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

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

  • How can I find direct flights from San Diego to George Bush Intcntl?

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

  • Can I find deals for business class flights from San Diego to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from San Diego to George Bush Intcntl 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 George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from San Diego to Houston George Bush Intcntl Airport (average of $241). Flying from San Diego to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Humble
The Woodlands
Conroe
Tomball
Katy
Jersey Village
Cypress

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Top 4 airlines flying from San Diego to George Bush Intcntl

Discover the top 4 airlines that operate flights from San Diego to George Bush Intcntl. 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$81Average$219FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$117Average$196FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$246Average$429FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$306Average$485FlexibilityNo cancel feeOn-time69%

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