How popular is this Irvine to San Antonio flight route?

This flight path from Irvine to San Antonio was viewed by 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from Irvine to San Antonio one-way?

To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $46. Frontier flights start at $79 while deals on Delta start at $121 one-way.

Weekly flight availability from Irvine to San Antonio

The most flights from IR9 to SAT are scheduled on a Wednesday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

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 Irvine to San Antonio?

The cheapest flight price from Irvine to San Antonio is $121. On average you can expect to pay $481. The most popular route, (Los Angeles - San Antonio), can usually be booked for $241.

What are the most reliable airlines from Irvine to San Antonio?

The top 3 most reliable airlines when flying from Irvine to San Antonio are EL AL (90%), Japan Airlines (90%) and Qantas Airways (90%).

What are the most popular airlines that fly from Irvine to San Antonio?

Delta, American Airlines and Southwest are the most popular airlines when flying from Irvine to San Antonio.

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

Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to San Antonio from Irvine. Booking flights from Irvine to San Antonio (SAT) should be relatively easy as there are 16 daily inbound flights from Irvine from 7 different airlines.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Irvine 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 Irvine to San Antonio

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Cheapflights Tip: The best prices from Irvine to San Antonio are usually found in November or December, booked 63 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Find flight deals from Irvine to San Antonio

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Popular in	March
Cheapest in	November
Average price	$390

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Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 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 Irvine to San Antonio

Prices

Airlines

What is the cheapest time of day to fly from IR9 to SAT?

When flying from Irvine to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight in the morning.

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

Travelers seeking maximum savings on their Irvine to San Antonio flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings 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,Delta, andJetBlue from Irvine 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

4,214 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

4,214 reviews

Southwest

7.9

Good

4,214 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

Delta

7.8

Good

8,668 reviews

Southwest

7.9

Good

4,214 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

JetBlue

7.1

Good

3,063 reviews

Southwest

7.9

Good

4,214 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

American Airlines

7.0

Good

12,190 reviews

Southwest

7.9

Good

4,214 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

Frontier

5.5

Fair

2,519 reviews

Southwest

7.9

Good

4,214 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 Irvine?
Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to San Antonio from Irvine. Booking flights from Irvine to San Antonio (SAT) should be relatively easy as there are 16 daily inbound flights from Irvine from 7 different airlines.
How popular is this Irvine to San Antonio flight route?
This flight path from Irvine to San Antonio was viewed by 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from Irvine to San Antonio one-way?
To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $46. Frontier flights start at $79 while deals on Delta start at $121 one-way.
What are the most reliable airlines from Irvine to San Antonio?
The top 3 most reliable airlines when flying from Irvine to San Antonio are EL AL (90%), Japan Airlines (90%) and Qantas Airways (90%).
What are the cheapest flights from Irvine to San Antonio?
The cheapest flight price from Irvine to San Antonio is $121. On average you can expect to pay $481. The most popular route, (Los Angeles - San Antonio), can usually be booked for $241.
Can I find deals for flights from Irvine to San Antonio that include hotel bookings?
Yes. In addition to deals on Irvine to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Irvine to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to San Antonio.
Can I find deals for business class flights from Irvine to San Antonio?
Yes. Cheapflights offers flight deals from Irvine 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 7 airlines flying from Irvine to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$134	Average$285	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$190	Average$439	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$199	Average$409	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$231	Average$396	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$244	Average$462	FlexibilityNo cancel fee	On-time63%
JetBlue	Cheapest$249	Average$377	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$273	Average$635	FlexibilityNo cancel fee	On-time75%

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Cheap flights from Irvine, CA to San Antonio (SAT)

Find cheap flights from Irvine to San Antonio with Cheapflights

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Find flight deals from Irvine to San Antonio

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Cheapflights Insights

What is the cheapest time of day to fly from IR9 to SAT?

When flying from Irvine to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight in the morning.

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

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

Weekly flight availability from Irvine to San Antonio

The most flights from IR9 to SAT are scheduled on a Wednesday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing San Antonio

See what other customers who have flown with Southwest,Delta, andJetBlue from Irvine 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 Irvine?

How popular is this Irvine to San Antonio flight route?

What are the cheapest airlines to fly from Irvine to San Antonio one-way?

What are the most reliable airlines from Irvine to San Antonio?

What are the cheapest flights from Irvine to San Antonio?

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

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

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

Traveling to a place near San Antonio?

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Complete your trip

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Irvine and San Antonio flights

Browse other Irvine and San Antonio flight options. Last updated on October 23, 2026.

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