In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the cheapest flights from Galveston to San Antonio?

On average you can expect to pay $486 for a flight from Galveston to San Antonio. The cheapest flight overall is $117 while the most popular route, (Houston Hobby - San Antonio) is currently priced at $117.

What airport do you fly into for flights to San Antonio from Galveston?

Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Galveston. On average, San Antonio has 1 inbound flight from Galveston per day from 2 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

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

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

How can I find direct flights from Galveston to San Antonio?

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

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

Yes. Cheapflights offers flight deals from Galveston to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Galveston to San Antonio

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Find flight deals from Galveston to San Antonio

Popular in	January
Cheapest in	December
Average price	$581

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Galveston to San Antonio

What is the cheapest time of day to fly from G4L to SAT?

When flying from Galveston to San Antonio, 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 36% versus a flight in the evening.

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

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

Reviews of airlines servicing San Antonio

See what other customers who have flown with Southwest and United Airlines from Galveston to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

7.9

Good

4,221 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.3

Good

10,432 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

What airport do you fly into for flights to San Antonio from Galveston?
Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Galveston. On average, San Antonio has 1 inbound flight from Galveston per day from 2 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.
What are the cheapest flights from Galveston to San Antonio?
On average you can expect to pay $486 for a flight from Galveston to San Antonio. The cheapest flight overall is $117 while the most popular route, (Houston Hobby - San Antonio) is currently priced at $117.
Can I find deals for flights from Galveston to San Antonio that include hotel bookings?
Yes. In addition to deals on Galveston to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Galveston to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Galveston to San Antonio.
Can I find deals for business class flights from Galveston to San Antonio?
Yes. Cheapflights offers flight deals from Galveston to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 2 airlines flying from Galveston to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$211	Average$515	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$257	Average$535	FlexibilityNo cancel fee	On-time63%

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Cheap flights from Galveston, TX to San Antonio (SAT)

Find cheap flights from Galveston to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Galveston to San Antonio

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from G4L to SAT?

When flying from Galveston to San Antonio, 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 36% versus a flight in the evening.

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

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

Reviews of airlines servicing San Antonio

See what other customers who have flown with Southwest and United Airlines from Galveston to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to San Antonio from Galveston?

What are the cheapest flights from Galveston to San Antonio?

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

How can I find direct flights from Galveston to San Antonio?

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

Traveling to a place near San Antonio?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Galveston to San Antonio

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Complete your trip

Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Galveston to San Antonio by cabin class

Find flights from Galveston to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Galveston and San Antonio flights

Browse other Galveston and San Antonio flight options. Last updated on October 25, 2026.

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Other flights to San Antonio

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Top 2 airlines flying from Galveston to San Antonio

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