$143+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAN
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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Find cheap flights from Galveston 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 Galveston to San Diego are usually found in August or October, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from Galveston to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Galveston to San DiegoExplore 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 June 20, 2026.
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 June 20, 2026.
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:25 am
HOU
- SAN
Nonstop3h 15m
Southwest
Tue 8/115:45 pm
SAN
- HOU
Nonstop3h 10m
Southwest
Deal found 6/19![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:30 am
HOU
- SAN
1 stop4h 40m
Southwest
Sat 8/157:30 am
SAN
- HOU
Nonstop3h 10m
Southwest
Deal found 6/20![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:10 pm
HOU
- SAN
Nonstop3h 10m
Southwest
Sat 8/86:35 am
SAN
- HOU
1 stop8h 15m
Southwest
Deal found 6/19![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:49 pm
HOU
- SAN
1 stop5h 48m
American Airlines
Tue 8/117:15 am
SAN
- HOU
1 stop6h 11m
American Airlines
Deal found 6/19![American Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:15 am
HOU
- SAN
Nonstop3h 10m
Southwest
Tue 8/118:35 am
SAN
- HOU
Nonstop3h 15m
Southwest
Deal found 6/19![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 6/16. 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.
Tue 7/147:15 pm
HOU
- SAN
Nonstop3h 10m
Southwest
Tue 7/217:10 pm
SAN
- HOU
Nonstop3h 20m
Southwest
Deal found 6/16![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:30 am
HOU
- SAN
1 stop4h 40m
Southwest
Thu 9/2412:35 pm
SAN
- HOU
Nonstop3h 15m
Southwest
Deal found 6/20![Southwest logo]()
$338
Best flights from Galveston to San DiegoDiscover carefully curated flight deals from Galveston to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
Discover carefully curated flight deals from Galveston to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:10 pm
HOU
- SAN
Nonstop3h 10m
Southwest
Tue 8/113:30 pm
SAN
- HOU
1 stop4h 40m
Southwest
Deal found 6/19![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 7/153:30 pm
HOU
- SAN
1 stop4h 50m
Southwest
Thu 8/67:25 pm
SAN
- HOU
Nonstop3h 10m
Southwest
Deal found 6/15![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 8/122:45 pm
HOU
- SAN
Nonstop3h 10m
Southwest
Sat 8/156:55 am
SAN
- HOU
2 stops8h 00m
Southwest
Deal found 6/15![Southwest logo]()
$380
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:15 am
HOU
- SAN
1 stop5h 35m
Southwest
Wed 8/121:40 pm
SAN
- HOU
1 stop5h 55m
Southwest
Deal found 6/18![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:10 pm
HOU
- SAN
Nonstop3h 10m
Southwest
Sun 8/237:30 pm
SAN
- HOU
Nonstop3h 10m
Southwest
Deal found 6/19![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 6/15. 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 9/106:15 am
HOU
- SAN
Nonstop3h 10m
Southwest
Mon 9/147:25 pm
SAN
- HOU
Nonstop3h 10m
Southwest
Deal found 6/15![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 6/16. 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 8/206:45 am
HOU
- SAN
1 stop5h 35m
Southwest
Thu 8/276:20 am
SAN
- HOU
Nonstop3h 20m
Southwest
Deal found 6/16![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:30 pm
HOU
- SAN
1 stop4h 50m
Southwest
Mon 7/208:40 pm
SAN
- HOU
Nonstop3h 15m
Southwest
Deal found 6/18![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 8/1211:05 am
HOU
- SAN
1 stop5h 50m
Southwest
Fri 8/146:20 am
SAN
- HOU
Nonstop3h 20m
Southwest
Deal found 6/16![Southwest logo]()
$411
Last-minute flights from Galveston to San DiegoDiscover last-minute flight deals from Galveston to San Diego. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Galveston to San Diego. Data last updated June 20, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/16. 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.
Tue 7/147:15 pm
HOU
- SAN
Nonstop3h 10m
Southwest
Tue 7/217:10 pm
SAN
- HOU
Nonstop3h 20m
Southwest
Deal found 6/16![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 7/153:30 pm
HOU
- SAN
1 stop4h 50m
Southwest
Thu 8/67:25 pm
SAN
- HOU
Nonstop3h 10m
Southwest
Deal found 6/15![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:20 pm
HOU
- SAN
Nonstop3h 15m
Southwest
Sat 7/258:45 am
SAN
- HOU
1 stop7h 45m
Southwest
Deal found 6/19![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:49 pm
HOU
- SAN
1 stop7h 10m
American Airlines
Tue 7/2112:20 pm
SAN
- HOU
1 stop5h 37m
American Airlines
Deal found 6/19![American Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:05 pm
HOU
- SAN
1 stop4h 50m
Southwest
Wed 7/227:10 pm
SAN
- HOU
Nonstop3h 20m
Southwest
Deal found 6/19![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/204:00 pm
HOU
- SAN
1 stop4h 45m
Southwest
Sat 7/256:35 pm
SAN
- HOU
Nonstop3h 20m
Southwest
Deal found 6/20![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 6/16. 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.
Tue 7/217:15 pm
HOU
- SAN
Nonstop3h 10m
Southwest
Thu 8/67:25 pm
SAN
- HOU
Nonstop3h 10m
Southwest
Deal found 6/16![Southwest logo]()
$365
One-way flights from Galveston to San DiegoSearch for one-way flight options from Galveston to San Diego. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
Search for one-way flight options from Galveston to San Diego. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Tue 7/281:58 pm
HOU
- SAN
2 stops51h 29m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Mon 7/274:52 pm
HOU
- SAN
2 stops23h 16m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Sun 9/2012:18 pm
HOU
- SAN
2 stops22h 44m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$149
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:20 pm
HOU
- SAN
Nonstop3h 15m
Southwest
Deal found 6/20![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:30 am
HOU
- SAN
1 stop4h 40m
Southwest
Deal found 6/19![Southwest logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Mon 7/134:52 pm
HOU
- SAN
2 stops23h 16m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$162
Find 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 June 20, 2026.
Round-trip from | $307 (Southwest) |
|---|---|
One-way from | $143 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $489 |
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 June 20, 2026.
Use the filters below to find and compare flights from Galveston to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Tue 8/4
5:10 pm-6:20 pm
Nonstop3h 10m
San Diego
Tue 8/11
3:30 pm-10:10 pm
1 stop4h 40m
$317
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Wed 7/15
3:30 pm-6:20 pm
1 stop4h 50m
San Diego
Thu 8/6
7:25 pm-12:35 am
Nonstop3h 10m
$371
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Wed 8/12
2:45 pm-3:55 pm
Nonstop3h 10m
San Diego
Sat 8/15
6:55 am-4:55 pm
2 stops8h 00m
$380
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Thu 8/6
6:15 am-9:50 am
1 stop5h 35m
San Diego
Wed 8/12
1:40 pm-9:35 pm
1 stop5h 55m
$385
Quickest round-trip
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Wed 8/19
5:10 pm-6:20 pm
Nonstop3h 10m
San Diego
Sun 8/23
7:30 pm-12:40 am
Nonstop3h 10m
$386
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Thu 9/10
6:15 am-7:25 am
Nonstop3h 10m
San Diego
Mon 9/14
7:25 pm-12:35 am
Nonstop3h 10m
$393
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Thu 8/20
6:45 am-10:20 am
1 stop5h 35m
San Diego
Thu 8/27
6:20 am-11:40 am
Nonstop3h 20m
$403
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Wed 7/15
3:30 pm-6:20 pm
1 stop4h 50m
San Diego
Mon 7/20
8:40 pm-1:55 am
Nonstop3h 15m
$407
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Wed 8/12
11:05 am-2:55 pm
1 stop5h 50m
San Diego
Fri 8/14
6:20 am-11:40 am
Nonstop3h 20m
$411
Cheapest one-way
HoustonSan Diego
HOU - SAN
HOUSAN
Houston Hobby
Sat 7/18
9:20 pm-10:35 pm
Nonstop3h 15m
$154
Showing 1-10 of 19 resultsSorted by cheapest first
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.
HOU-SAN
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
G4L-SAN
HOU-SAN
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 June 20, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 4% on flights from Galveston to San Diego by exploring options for tickets in the morning.
How much does it cost to fly round-trip from Galveston to San Diego?
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 June 20, 2026.
Travelers seeking maximum savings on their Galveston to San Diego flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday 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 June 20, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andFrontier 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.
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Poway
Coronado
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Santee
Julian
Lemon Grove
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Galveston and San Diego flights
Browse other Galveston and San Diego flight options. Last updated on June 20, 2026.
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Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 20, 2026.
Galveston to San Diego flights
Consider these flights traveling from Galveston to San Diego.
Top 4 airlines flying from Galveston to San Diego
Discover the top 4 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$115 | Average$251 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$253 | Average$478 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$468 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$267 | Average$477 | FlexibilityNo cancel fee | On-time69% |