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$132+ Cheap flights from George Bush Intcntl (IAH) 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SAN
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to San Diego are usually found in February or October, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from George Bush Intcntl to San Diego

Cheapest flights from George Bush Intcntl to San Diego
Explore the most affordable flight options available from George Bush Intcntl to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:47 pm
IAH
-
SAN
1 stop13h 15m
Frontier
Mon 12/143:44 pm
SAN
-
IAH
1 stop18h 11m
Frontier
Deal found 7/19$312
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Thu 8/274:24 pm
IAH
-
SAN
Nonstop3h 22m
United Airlines
Sun 8/308:00 am
SAN
-
IAH
Nonstop3h 21m
United Airlines
Deal found 7/20$313
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:04 pm
IAH
-
SAN
1 stop13h 01m
Frontier
Mon 9/78:59 pm
SAN
-
IAH
2 stops11h 35m
Frontier
Deal found 7/19$314
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Thu 8/612:05 pm
IAH
-
SAN
1 stop5h 38m
Frontier
Mon 8/108:51 pm
SAN
-
IAH
1 stop13h 36m
Frontier
Deal found 7/18$315
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:47 pm
IAH
-
SAN
1 stop13h 15m
Frontier
Sun 12/134:41 pm
SAN
-
IAH
1 stop15h 59m
Frontier
Deal found 7/19$317
This Frontier deal was found by Cheapflights users on 7/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am
IAH
-
SAN
1 stop11h 11m
Frontier
Sun 10/116:25 am
SAN
-
IAH
1 stop10h 38m
Frontier
Deal found 7/18$318
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/612:05 pm
IAH
-
SAN
1 stop5h 38m
Frontier
Fri 8/148:51 pm
SAN
-
IAH
1 stop13h 36m
Frontier
Deal found 7/22$319
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/712:05 pm
IAH
-
SAN
1 stop5h 38m
Frontier
Fri 8/148:51 pm
SAN
-
IAH
1 stop13h 36m
Frontier
Deal found 7/20$320
This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 11/231:15 pm
IAH
-
SAN
1 stop10h 26m
Delta
Thu 11/266:20 am
SAN
-
IAH
1 stop8h 15m
Delta
Deal found 7/23$321
This Frontier deal was found by Cheapflights users on 7/19. 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.
Wed 8/56:14 pm
IAH
-
SAN
1 stop7h 37m
Frontier
Tue 8/1110:10 am
SAN
-
IAH
1 stop12h 30m
Frontier
Deal found 7/19$324

Find flight deals from George Bush Intcntl to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$312
(Kiwi.com)

One-way from

$132
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$465

Good round-trip deal

$398 or less

Good one-way deal

$232 or less
Provider with most accurate pricing for Houston George Bush Intcntl-San Diego flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-San Diego flights.
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From Houston George Bush Intcntl to San Diego
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One-way flight from Houston George Bush Intcntl to San Diego
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to San Diego.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to San Diego.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 July 23, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 9/24

4:24 pm-5:46 pm

Nonstop3h 22m

San Diego

Sun 9/27

5:00 pm-12:45 am

1 stop5h 45m

$323

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Wed 9/16

4:24 pm-5:46 pm

Nonstop3h 22m

San Diego

Fri 9/18

10:11 am-3:32 pm

Nonstop3h 21m

$323

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sat 9/5

9:33 am-10:55 am

Nonstop3h 22m

San Diego

Tue 9/8

12:04 pm-5:25 pm

Nonstop3h 21m

$337

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Tue 9/1

6:16 pm-10:30 am

1 stop18h 14m

San Diego

Wed 9/9

9:21 am-11:59 pm

2 stops12h 38m

$347

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sat 8/15

10:10 am-3:54 pm

1 stop7h 44m

San Diego

Tue 8/18

8:00 am-1:21 pm

Nonstop3h 21m

$347

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Mon 8/24

7:25 am-11:35 am

1 stop6h 10m

San Diego

Wed 8/26

3:04 pm-8:19 pm

Nonstop3h 15m

$351

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sat 11/14

7:56 pm-9:26 pm

Nonstop3h 30m

San Diego

Sat 11/21

5:00 pm-10:15 pm

Nonstop3h 15m

$356

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Wed 11/18

8:00 am-11:35 am

1 stop5h 35m

San Diego

Fri 11/20

5:00 pm-10:15 pm

Nonstop3h 15m

$362
Quickest round-trip

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Fri 9/11

11:55 am-1:17 pm

Nonstop3h 22m

San Diego

Sat 9/12

3:04 pm-8:19 pm

Nonstop3h 15m

$364

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Fri 9/11

11:55 am-1:17 pm

Nonstop3h 22m

San Diego

Mon 9/14

8:00 am-1:21 pm

Nonstop3h 21m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from George Bush Intcntl to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to San Diego in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Super.comPrice Accuracy-Trust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

The price you pay for your flight from Houston George Bush Intcntl Airport to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 58 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 Houston George Bush Intcntl Airport to San Diego?

Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to San Diego (average of $371). Flying from Houston George Bush Intcntl Airport to San Diego in June is currently the most expensive (average of $494). 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 IAH to SAN?

Find hourly flight availability from George Bush Intcntl 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 July 23, 2026.

When flying from Houston George Bush Intcntl Airport to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 8% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to San Diego. Price data was last updated on July 18, 2026.

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

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to San Diego?

Airfare is below average for this route at the moment.

Houston George Bush Intcntl Airport to San Diego flights typically cost between $392 and $518 in September.
The cheapest round-trip price found within the last 5 days was $312 on Frontier (Sep 16-Dec 14).

The best insider tips for Houston George Bush Intcntl Airport to San Diego 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 Houston George Bush Intcntl Airport to San Diego trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

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
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

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 July 23, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andFrontier from Houston George Bush Intcntl Airport to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,025 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
10,025 reviews
United Airlines
7.4
Good
10,025 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.1
Good
11,838 reviews
United Airlines
7.4
Good
10,025 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Frontier
5.6
Fair
2,771 reviews
United Airlines
7.4
Good
10,025 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl 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 George Bush Intcntl?

    San Diego (SAN) is the airport you will fly into if you book a flight from Houston George Bush Intcntl to San Diego. You should not have trouble finding flights to San Diego from Houston George Bush Intcntl; the airport handles an average of 5 inbound flights from Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the San Diego airport from Houston George Bush Intcntl. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city center.

  • How long is the flight from Houston George Bush Intcntl Airport to San Diego?

    Departing from Houston George Bush Intcntl Airport to San Diego will take you 3h 22m. The distance between Houston George Bush Intcntl Airport and San Diego is about 1300 mi. This flight may include one or multiple stops.

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

    Frontier, at $136, was found to be the cheapest airline from Houston George Bush Intcntl Airport to San Diego.Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from Houston George Bush Intcntl Airport to San Diego for 69% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $78. Users have also found prices from $148 and $157 on United Airlines and American Airlines, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Houston George Bush Intcntl Airport to San Diego on time: United Airlines (73%), Lufthansa (61%), Emirates (59%).

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

    While on average a flight from Houston George Bush Intcntl Airport to San Diego is generally $358, our data shows the cheapest flight currently is $153. When looking at the most popular route, (Houston George Bush Intcntl - San Diego), you can expect to pay $181 for that flight.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to San Diego (average of $371). Flying from Houston George Bush Intcntl Airport to San Diego in June is currently the most expensive (average of $494). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from George Bush Intcntl to San Diego

Discover the top 3 airlines that operate flights from George Bush Intcntl 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$136Average$266FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$216Average$488FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$470FlexibilityNo cancel feeOn-time69%

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