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$99+ Cheap flights from Galveston, TX 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Galveston to San Diego are usually found in August or September, booked 76 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from Galveston to San Diego

Keep the following information in mind while searching for Galveston to San Diego flight deals. Data was last updated July 30, 2025.

Round-trip from

$217
(American Airlines)

One-way from

$99
(Southwest)

Popular in

December

Cheapest in

August

Average price

$405
From Galveston to San Diego
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One-way flight from Galveston to San Diego
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($9 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 Galveston to San Diego

Cheapest flights from Galveston to San Diego
Explore the most affordable flight options available from Galveston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:39 pmHOU - SAN
1 stop5h 22mAmerican Airlines
Sat 10/253:14 pmSAN - HOU
1 stop5h 00mAmerican Airlines
Deal found 7/29$217
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:25 pmHOU - SAN
Nonstop3h 15mSouthwest
Sat 9/611:05 amSAN - HOU
Nonstop3h 20mSouthwest
Deal found 7/29$237
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 8/231:05 pmHOU - SAN
1 stop8h 21mDelta
Sun 8/2410:30 pmSAN - HOU
1 stop8h 32mDelta
Deal found 7/30$267

Cheapflights Fare Finder

 
Customize your flight search to find flights from Galveston 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 30, 2025.
Use the filters below to find and compare flights from Galveston to San Diego that are best for you.

Fly from

Galveston

Fly to

San Diego

Route

Depart

Return

Price

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Sat 10/18

6:39 pm-10:59 pm

1 stop6h 20m

San Diego

Sat 10/25

8:18 am-6:07 pm

1 stop7h 49m

$217

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Thu 9/4

6:25 pm-7:40 pm

Nonstop3h 15m

San Diego

Sat 9/6

11:05 am-4:25 pm

Nonstop3h 20m

$237

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Sat 8/23

1:05 pm-7:26 pm

1 stop8h 21m

San Diego

Sun 8/24

10:30 pm-9:02 am

1 stop8h 32m

$267

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 10/21

1:05 pm-2:20 pm

Nonstop3h 15m

$99

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 9/2

6:00 am-9:47 am

1 stop5h 47m

$109

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 8/26

9:57 am-3:23 pm

1 stop7h 26m

$119

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Sun 10/26

9:34 am-4:51 pm

1 stop9h 17m

$160

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Sun 9/28

9:40 am-11:24 pm

2 stops15h 44m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Galveston to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Galveston 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 Galveston to San Diego

How far ahead should I book a flight from Galveston to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Galveston to San Diego. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Galveston to San Diego, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Galveston to San Diego?

Currently, August is the cheapest month in which you can book a flight from Galveston to San Diego (average of $286). Flying from Galveston 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 G4L to SAN?

Find hourly flight availability from Galveston 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 30, 2025.

When flying from Galveston to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Galveston to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Galveston to San Diego. Price data was last updated on December 16, 2024.

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

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 30, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Galveston to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,980 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
334 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Galveston 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 Galveston?

    For a flight from Galveston to San Diego, you will be flying into 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 2 inbound flights from Galveston per day. 5 airlines have flights to San Diego from Galveston on a regular basis.

  • What are the cheapest airlines to fly from Galveston to San Diego one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $99. Users have also found prices from $109 and $119 on American Airlines and Delta, respectively.

  • What are the cheapest flights from Galveston to San Diego?

    The cheapest flight price from Galveston to San Diego is $132. On average you can expect to pay $416. The most popular route, (Houston Hobby - San Diego), can usually be booked for $122.

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

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

  • How can I find direct flights from Galveston to San Diego?

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

  • Can I find deals for business class flights from Galveston to San Diego?

    Yes. Cheapflights offers flight deals from Galveston 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 Galveston to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Galveston to San Diego (average of $286). Flying from Galveston 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

Traveling to a place near San Diego?

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

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Alternative routes for Galveston to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Galveston to San Diego

Discover the top 5 airlines that operate flights from Galveston 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$214FlexibilityNo cancel feeOn-time65%
FrontierCheapest$109Average$173FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$188Average$432FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$483FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$266Average$435FlexibilityNo cancel feeOn-time63%

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