United's Economy Plus offers extra legroom, ideal for comfort on medium-haul flights.
United's MileagePlus program allows pooling miles, useful for family travel.
$87+ 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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SAN
Nov 26 — Dec 31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from George Bush Intcntl to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Houston George Bush Intcntl to San Diego are usually found in January or October, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap 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 October 27, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $183 (Kiwi.com) |
One-way from | $87 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $384 |
Good round-trip deal | $420 or less |
Good one-way deal | $185 or less |
Find flight deals from George Bush Intcntl to San Diego
Cheapest flights from George Bush Intcntl to San DiegoExplore 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 October 27, 2025.
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 October 27, 2025.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/2410:35 pmIAH - SAN
1 stop13h 22mFrontier
Mon 12/292:10 pmSAN - IAH
1 stop5h 23mFrontier
Deal found 10/25![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/3110:35 pmIAH - SAN
1 stop13h 22mFrontier
Mon 1/54:47 pmSAN - IAH
1 stop20h 18mFrontier
Deal found 10/26![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/3110:35 pmIAH - SAN
1 stop13h 22mMultiple Airlines
Mon 1/57:21 pmSAN - IAH
2 stops46h 33mMultiple Airlines
Deal found 10/26![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/1510:04 amIAH - SAN
2 stops12h 20mFrontier
Sun 11/166:41 amSAN - IAH
1 stop25h 56mFrontier
Deal found 10/27![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/2011:48 amIAH - SAN
1 stop14h 11mMultiple Airlines
Mon 12/16:52 pmSAN - IAH
1 stop17h 02mMultiple Airlines
Deal found 10/25![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/148:06 pmIAH - SAN
1 stop5h 42mMultiple Airlines
Mon 11/173:59 pmSAN - IAH
2 stops28h 05mMultiple Airlines
Deal found 10/27![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/108:48 pmIAH - SAN
1 stop17h 19mFrontier
Fri 11/1412:17 pmSAN - IAH
2 stops33h 12mFrontier
Deal found 10/27![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/1411:37 amIAH - SAN
2 stops14h 11mFrontier
Mon 11/1711:34 amSAN - IAH
1 stop6h 52mFrontier
Deal found 10/26![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Mon 11/249:27 pmIAH - SAN
1 stop12h 17mFrontier
Tue 12/26:25 amSAN - IAH
1 stop16h 06mFrontier
Deal found 10/26![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sun 11/239:33 pmIAH - SAN
1 stop19h 54mFrontier
Wed 12/36:25 amSAN - IAH
1 stop7h 02mFrontier
Deal found 10/26![Frontier logo]()
$193
This CheapOair deal was found by Cheapflights users on 10/26. 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.
Fri 11/148:06 pmIAH - SAN
1 stop5h 42mFrontier
Sun 11/166:41 amSAN - IAH
1 stop25h 56mFrontier
Deal found 10/26![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/229:15 pmIAH - SAN
1 stop12h 34mFrontier
Mon 11/248:39 amSAN - IAH
1 stop9h 56mFrontier
Deal found 10/26![Frontier logo]()
$195
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 October 27, 2025.
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
George Bush Intcntl
Fly to
San Diego
Route
Depart
Return
Price
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Wed 1/21
7:00 am-7:33 pm
2 stops14h 33m
San Diego
Thu 1/22
8:16 am-11:59 pm
2 stops13h 43m
$343
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Sat 2/14
7:35 am-8:43 pm
2 stops15h 08m
San Diego
Tue 2/17
8:01 pm-4:54 pm
1 stop18h 53m
$356
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Thu 1/8
7:00 am-3:29 pm
1 stop10h 29m
San Diego
Sun 1/11
9:59 pm-4:55 pm
2 stops16h 56m
$374
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Sat 12/6
5:55 pm-8:29 am
2 stops16h 34m
San Diego
Sat 12/13
10:29 am-11:59 pm
2 stops11h 30m
$376
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Thu 12/4
2:45 pm-4:16 pm
Nonstop3h 31m
San Diego
Mon 12/8
11:11 am-7:10 pm
1 stop5h 59m
$381
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Wed 1/7
4:55 pm-6:36 pm
Nonstop3h 41m
San Diego
Mon 1/12
1:00 pm-8:54 pm
1 stop5h 54m
$381
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Wed 11/26
4:20 pm-7:52 pm
1 stop5h 32m
San Diego
Wed 12/3
8:01 am-1:13 pm
Nonstop3h 12m
$400
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Tue 12/2
5:55 pm-9:49 am
1 stop17h 54m
San Diego
Thu 12/4
9:10 am-11:59 pm
2 stops12h 49m
$408
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Wed 12/3
5:55 pm-8:29 am
2 stops16h 34m
San Diego
Sun 12/7
6:55 am-11:59 pm
2 stops15h 04m
$410
HoustonSan Diego
IAH - SAN
IAHSAN
Houston George Bush Intcntl
Wed 12/24
8:15 pm-9:56 pm
Nonstop3h 41m
San Diego
Mon 12/29
10:25 am-3:38 pm
Nonstop3h 13m
$420
Showing 1-10 of 21 results
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-San Diego flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Houston George Bush Intcntl Airport-San Diego flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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
Prices
Airlines
Delays
More
How far ahead should I book a flight from Houston George Bush Intcntl Airport to San Diego?
Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to San Diego. Price data was last updated on October 24, 2025.
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 90 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to San Diego (average of $54). Flying from Houston George Bush Intcntl Airport to San Diego in August is currently the most expensive (average of $123). 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 October 27, 2025.
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 4% 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 October 26, 2025.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to San Diego flight should consider departing on Friday at noon 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 often are flights from Houston to San Diego delayed?
About 18% of weekly flights between Houston and San Diego have experienced delays in the past year, with the average delay time being 150 minutes.
What is the most punctual flight time for Houston to San Diego flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Houston to San Diego flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.
What’s the top layover airport for flights from Houston George Bush Intcntl Airport to San Diego?
Share of 1-stop round-trip flights from Houston George Bush Intcntl Airport to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Las Vegas (LAS) – chosen by Cheapflights users on 67% of 1-stop itineraries from Houston George Bush Intcntl Airport to San Diego on Cheapflights.
What’s the fastest layover option from Houston George Bush Intcntl Airport to San Diego?
Shortest average travel time for 1-stop one-way flights from Houston George Bush Intcntl Airport to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 52m.
What’s the fastest layover option from Houston George Bush Intcntl Airport to San Diego?
Shortest average travel time for 1-stop one-way flights from Houston George Bush Intcntl Airport to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 52m.
Which airport typically offers the quickest layover for flights from Houston George Bush Intcntl Airport to San Diego?
Average layover duration for 1-stop one-way flights from Houston George Bush Intcntl Airport to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 3h 02m.
The best insider tips for Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to San Diego trip
Airlines
![United Airlines]()
United Airlines
![Spirit Airlines]()
Spirit Airlines
Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort on medium-haul flights.
Spirit's self-service bag drop saves time; print your boarding pass to avoid extra fees.
Airports
Our travel experts
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 October 27, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Spirit Airlines 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.
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Imperial Beach
National City
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for George Bush Intcntl to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from George Bush Intcntl to San Diego
Discover the top 4 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 October 27, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$113 | Average$192 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$120 | Average$209 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$216 | Average$485 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$322 | Average$485 | FlexibilityNo cancel fee | On-time69% |