What is the cheapest airline to fly from Erie to San Antonio round-trip?

According to our current data, American Airlines ($458), offers the cheapest pricing from Erie to San Antonio. American Airlines is currently priced 32% below the average price you’ll pay for this route.

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

Travelers seeking maximum savings on their Erie to San Antonio flight should consider departing on Thursday 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.

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 is the cheapest day to fly round-trip from Erie to San Antonio?

Saturday flights are found to be more expensive to fly from Erie to San Antonio. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Antonio.

What is the cheapest month to fly from Erie to San Antonio?

Our data shows that February tends to be the cheapest month to fly to San Antonio from Erie. Users have commonly found prices around $674 for the month, but tickets can be as low as $372. Due to multiple factors, prepare for potentially higher prices in October.

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

When flying from Erie to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 6% versus a flight in the morning.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Erie 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.

$458+ Flights from Erie to San Antonio

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Cheap flight deals from Erie to San Antonio

Round-trip from	$458 (American Airlines)
Popular in	October
Cheapest in	February
Average price	$455

From Erie to San Antonio

Search Deals

Highest demand for flights based on searches. 27% potential increase in price ($254 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease ($67 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Erie to San Antonio

Cheapest flights from Erie to San Antonio
Explore the most affordable flight options available from Erie to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Sat 10/114:52 pmERI - SAT

1 stop7h 05mAmerican Airlines

Fri 10/172:26 pmSAT - ERI

1 stop7h 24mAmerican Airlines

Deal found 7/30

$458

Sat 10/117:58 pmERI - SAT

2 stops23h 14mMultiple Airlines

Fri 10/177:19 pmSAT - ERI

2 stops22h 59mMultiple Airlines

Deal found 7/30

$646

Best flights from Erie to San Antonio
Discover carefully curated flight deals from Erie to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Sat 10/114:52 pmERI - SAT

1 stop7h 05mAmerican Airlines

Fri 10/172:26 pmSAT - ERI

1 stop7h 24mAmerican Airlines

Deal found 7/30

$458

Sat 10/117:58 pmERI - SAT

2 stops23h 14mMultiple Airlines

Fri 10/177:19 pmSAT - ERI

2 stops22h 59mMultiple Airlines

Deal found 7/30

$646

Last-minute flights from Erie to San Antonio
Discover last-minute flight deals from Erie to San Antonio. Data last updated July 31, 2025 and is based on user searches.

Thu 8/145:05 pmERI - SAT

1 stop5h 55mAmerican Airlines

Mon 8/182:52 pmSAT - ERI

1 stop7h 06mAmerican Airlines

Deal found 7/30

$599

Fly from

Fly to

Route

Depart

Return

Price

ErieSan Antonio

ERI - SAT

ERISAT

Erie

Sat 10/11

4:52 pm-10:57 pm

1 stop7h 05m

San Antonio

Fri 10/17

2:26 pm-10:50 pm

1 stop7h 24m

$458

ErieSan Antonio

ERI - SAT

ERISAT

Erie

Sat 10/11

7:58 pm-6:12 pm

2 stops23h 14m

San Antonio

Fri 10/17

7:19 pm-7:18 pm

2 stops22h 59m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Erie to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Erie 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 Erie to San Antonio

What is the cheapest month to book a flight from Erie to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Erie to San Antonio (average of $295). Flying from Erie to San Antonio in March is currently the most expensive (average of $376). 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.

Reviews of airlines servicing San Antonio

Read reviews from past customers who have flown American Airlines from Erie to San Antonio. 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.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jan 2025

PIT - DFW

Related info for your journey

What is the cheapest airline to fly from Erie to San Antonio round-trip?
According to our current data, American Airlines ($458), offers the cheapest pricing from Erie to San Antonio. American Airlines is currently priced 32% below the average price you’ll pay for this route.
Can I find deals for flights from Erie to San Antonio that include hotel bookings?
Yes. In addition to deals on Erie to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Erie to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Erie to San Antonio.
Can I find deals for business class flights from Erie to San Antonio?
Yes. Cheapflights offers flight deals from Erie 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.
What is the cheapest month to book a flight from Erie to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Erie to San Antonio (average of $295). Flying from Erie to San Antonio in March is currently the most expensive (average of $376). 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 Antonio

Top airline flying from Erie to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$405	Average$599	FlexibilityNo cancel fee	On-time71%

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$458+ Cheap flights from Erie to San Antonio (ERI - SAT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Erie to San Antonio with Cheapflights

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Cheap flight deals from Erie to San Antonio

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Erie to San Antonio

Cheapest flights from Erie to San AntonioExplore the most affordable flight options available from Erie to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Erie to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Erie to San Antonio that are best for you.

Best time to book a flight from Erie to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Erie with our price prediction graph.

Cheapflights Insights

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

What is the cheapest month to book a flight from Erie to San Antonio?

Reviews of airlines servicing San Antonio

Read reviews from past customers who have flown American Airlines from Erie to San Antonio. 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.

Related info for your journey

Find useful and relevant information for your journey from Erie to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Erie to San Antonio round-trip?

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

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

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

What is the cheapest month to book a flight from Erie to San Antonio?

Traveling to a place near San Antonio?

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Alternative routes for Erie to San Antonio

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Top airline flying from Erie to San Antonio

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Cheapest flights from Erie to San Antonio
Explore the most affordable flight options available from Erie to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.