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

Spirit Airlines, at $173, was found to be the cheapest airline from Houston George Bush Intcntl Airport to San Diego. An alternate airline flying to your destination would be Frontier. You may be able to fly from Houston George Bush Intcntl Airport to San Diego for 55% 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 Spirit Airlines. According to our data, you can fly for as low as $92. Users have also found prices from $102 and $139 on Frontier and United Airlines, respectively.

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.

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).

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 $452, our data shows the cheapest flight currently is $114. When looking at the most popular route, (Houston George Bush Intcntl - San Diego), you can expect to pay $156 for that flight.

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 (69%), Lufthansa (34%), Emirates (32%).

What are the most popular airlines that fly from Houston George Bush Intcntl Airport to San Diego?

When booking a flight from Houston George Bush Intcntl Airport to San Diego, you may want to consider flying on American Airlines, Frontier or Spirit Airlines as they are the most popular for this route.

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

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 11% on your flight compared to booking on days when demand is much higher.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to San Diego. Flights to San Diego from Houston George Bush Intcntl Airport in August are about $377 on average during August, but can be found for as low as $85.

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 6 inbound flights from Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 4 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.

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.

$92+ Flights from Houston George Bush Intcntl Airport to San Diego

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Cheapflights Tip: The best prices from Houston George Bush Intcntl to San Diego are usually found in August or January, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from George Bush Intcntl to San Diego

Round-trip from	$173 (FlightHub)
One-way from	$92 (Cheapflightsfares)
Popular in	March
Cheapest in	August
Average price	$385
Good round-trip deal	$354 or less
Good one-way deal	$246 or less

From Houston George Bush Intcntl to San Diego

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One-way flight from Houston George Bush Intcntl to San Diego

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Highest demand for flights based on searches. 16% potential increase in price ($76 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find 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 28, 2025.

Thu 8/148:56 pmIAH - SAN

1 stop12h 25mSpirit Airlines

Sun 8/177:01 pmSAN - IAH

1 stop9h 04mSpirit Airlines

Deal found 7/27

$173

Wed 7/307:00 amIAH - SAN

1 stop18h 02mMultiple Airlines

Sat 8/236:15 amSAN - IAH

1 stop8h 07mMultiple Airlines

Deal found 7/27

$194

Fri 10/106:46 pmIAH - SAN

1 stop6h 18mFrontier

Mon 10/132:38 pmSAN - IAH

1 stop5h 20mFrontier

Deal found 7/27

$226

Best flights from George Bush Intcntl to San Diego
Discover carefully curated flight deals from George Bush Intcntl to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Thu 8/148:56 pmIAH - SAN

1 stop12h 25mSpirit Airlines

Sun 8/177:01 pmSAN - IAH

1 stop9h 04mSpirit Airlines

Deal found 7/27

$173

Sat 10/114:42 pmIAH - SAN

1 stop7h 43mMultiple Airlines

Sun 10/197:47 pmSAN - IAH

1 stop7h 58mMultiple Airlines

Deal found 7/26

$189

Fri 10/106:46 pmIAH - SAN

1 stop6h 18mFrontier

Mon 10/132:38 pmSAN - IAH

1 stop5h 20mFrontier

Deal found 7/27

$226

Last-minute flights from George Bush Intcntl to San Diego
Discover last-minute flight deals from George Bush Intcntl to San Diego. Data last updated July 28, 2025 and is based on user searches.

Wed 7/307:00 amIAH - SAN

1 stop18h 02mMultiple Airlines

Sat 8/236:15 amSAN - IAH

1 stop8h 07mMultiple Airlines

Deal found 7/27

$194

Thu 7/311:07 pmIAH - SAN

1 stop5h 51mFrontier

Sat 8/212:05 pmSAN - IAH

1 stop9h 44mFrontier

Deal found 7/27

$228

Sun 8/31:07 pmIAH - SAN

1 stop5h 51mFrontier

Wed 8/64:44 pmSAN - IAH

1 stop14h 36mFrontier

Deal found 7/27

$228

Wed 8/67:00 amIAH - SAN

1 stop6h 10mMultiple Airlines

Thu 8/147:01 pmSAN - IAH

1 stop9h 04mMultiple Airlines

Deal found 7/28

$180

Thu 8/72:44 pmIAH - SAN

1 stop10h 22mSpirit Airlines

Wed 8/137:01 pmSAN - IAH

1 stop8h 54mSpirit Airlines

Deal found 7/28

$185

Thu 8/148:56 pmIAH - SAN

1 stop12h 25mSpirit Airlines

Sun 8/177:01 pmSAN - IAH

1 stop9h 04mSpirit Airlines

Deal found 7/27

$173

One-way flights from George Bush Intcntl to San Diego
Search for one-way flight options from George Bush Intcntl to San Diego. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Thu 11/69:00 amIAH - SAN

1 stop7h 11mSpirit Airlines

Deal found 7/27

$92

Thu 10/236:00 amIAH - SAN

1 stop7h 08mFrontier

Deal found 7/27

$102

Sat 9/612:30 pmIAH - SAN

Nonstop3h 24mUnited Airlines

Deal found 7/28

$139

Wed 10/156:00 amIAH - SAN

2 stops14h 24mAlaska Airlines

Deal found 7/27

$140

Tue 12/25:50 pmIAH - SAN

1 stop7h 34mDelta

Deal found 7/28

$149

Cheapflights Fare Finder

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

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 8/14

8:56 pm-7:21 am

1 stop12h 25m

San Diego

Sun 8/17

7:01 pm-6:05 am

1 stop9h 04m

$173

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sat 10/11

4:42 pm-10:25 pm

1 stop7h 43m

San Diego

Sun 10/19

7:47 pm-5:45 am

1 stop7h 58m

$189

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Fri 10/10

6:46 pm-11:04 pm

1 stop6h 18m

San Diego

Mon 10/13

2:38 pm-9:58 pm

1 stop5h 20m

$226

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 11/6

9:00 am-2:11 pm

1 stop7h 11m

$92

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 10/23

6:00 am-11:08 am

1 stop7h 08m

$102

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sat 9/6

12:30 pm-1:54 pm

Nonstop3h 24m

$139

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Wed 10/15

6:00 am-6:24 pm

2 stops14h 24m

$140

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Tue 12/2

5:50 pm-11:24 pm

1 stop7h 34m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

The best insider tips for Houston George Bush Intcntl Airport to San Diego flights

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's Economy Plus offers extra legroom, ideal for comfort on medium-haul flights.

United's MileagePlus program allows pooling miles, useful for family travel.

Read more about United Airlinesby Harriet Baskas

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.

Read more about Spirit Airlinesby Daniel Scheffler

Airports

IAH

Check security wait times on the IAH website to ensure a smooth departure from Houston.

SAN

Use the free San Diego Flyer shuttle for a convenient and cost-effective ride from SAN to the Old Town Transit Center.

Our travel experts

Harriet Baskas

Expert on United Airlines

Daniel Scheffler

Expert on Spirit Airlines

Blane Bachelor

Expert on SAN

Evie Carrick

Expert on IAH

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 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, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to San Diego (average of $286). Flying from Houston George Bush Intcntl Airport 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 IAH to SAN?

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 in the morning, which can drop the price by up to 12% versus a flight at noon.

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

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 at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Houston George Bush Intcntl Airport to San Diego

The most flights from IAH to SAN are scheduled on a Friday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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

Las Vegas (LAS) – chosen by Cheapflights users on 90% of 1-stop itineraries from Houston George Bush Intcntl Airport to San Diego on Cheapflights.

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

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $210.

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

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 3h 10m.

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

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 3h 02m.

Reviews of airlines servicing San Diego

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.

Alaska Airlines

8.0

Very good

10,000 reviews

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

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

7,971 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

8,893 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Spirit Airlines

6.3

Okay

8,034 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Frontier

5.9

Fair

3,238 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

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 6 inbound flights from Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 4 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.
What are the cheapest airlines flying from Houston George Bush Intcntl Airport to San Diego round-trip?
Spirit Airlines, at $173, was found to be the cheapest airline from Houston George Bush Intcntl Airport to San Diego. An alternate airline flying to your destination would be Frontier. You may be able to fly from Houston George Bush Intcntl Airport to San Diego for 55% 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 Spirit Airlines. According to our data, you can fly for as low as $92. Users have also found prices from $102 and $139 on Frontier and United 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 (69%), Lufthansa (34%), Emirates (32%).
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 $452, our data shows the cheapest flight currently is $114. When looking at the most popular route, (Houston George Bush Intcntl - San Diego), you can expect to pay $156 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, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to San Diego (average of $286). Flying from Houston George Bush Intcntl Airport 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

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Other flights to San Diego

Top 4 airlines flying from George Bush Intcntl to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$83	Average$221	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$109	Average$148	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$198	Average$426	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$260	Average$488	FlexibilityNo cancel fee	On-time69%

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$92+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from George Bush Intcntl to San Diego with Cheapflights

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3. Compare prices and book

Cheapflights Tip: The best prices from Houston George Bush Intcntl to San Diego are usually found in August or January, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from George Bush Intcntl to San Diego

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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 July 28, 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 July 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to San Diego that are best for you.

The best insider tips for Houston George Bush Intcntl Airport to San Diego flights

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

Spirit Airlines

Airports

IAH

SAN

Our travel experts

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.

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?

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 July 25, 2025.

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

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 28, 2025.

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 20, 2025.

Weekly flight availability from Houston George Bush Intcntl Airport to San Diego

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.

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

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

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.

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.

Reviews of airlines servicing San Diego

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?

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

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

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

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

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

How can I 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?

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

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Top 4 airlines flying from George Bush Intcntl to San Diego

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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 28, 2025.