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 New Windsor to San Antonio?

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from New Windsor to San Antonio?

Users have found that booking a flight from New Windsor to San Antonio at least 50 days early can save you up to 33% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from New Windsor to San Antonio for as little as $324 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $539 for flights departing within the next 3 days.

What is the cheapest month to fly from New Windsor to San Antonio?

September is one of the best times of the year to fly to San Antonio from New Windsor. Prices for September average $361 per person but you can even find prices for as low as $90. The most expensive prices can be found in the month of December. Opting for a September flight can save you 39% on your journey compared to booking in December

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Windsor to San Antonio as you normally would.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Stewart 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.

$115+ Flights from New Windsor to San Antonio

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Cheap flight deals from Stewart to San Antonio

Round-trip from	$253 (Mytrip)
One-way from	$164 (Mytrip)
Popular in	December
Cheapest in	September
Average price	$281

From New Windsor Stewart to San Antonio

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One-way flight from New Windsor Stewart to San Antonio

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Highest demand for flights based on searches. 15% potential increase in price ($65 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($13 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 Stewart to San Antonio

Cheapest flights from Stewart to San Antonio
Explore the most affordable flight options available from Stewart to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

vie. 8/17:56 pmSWF - SAT

2 stops24h 26mMultiple Airlines

vie. 8/87:10 amSAT - SWF

1 stop10h 56mMultiple Airlines

Deal found 7/2

$253

Best flights from Stewart to San Antonio
Discover carefully curated flight deals from Stewart to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

vie. 8/17:56 pmSWF - SAT

2 stops24h 26mMultiple Airlines

vie. 8/87:10 amSAT - SWF

1 stop10h 56mMultiple Airlines

Deal found 7/2

$253

Last-minute flights from Stewart to San Antonio
Discover last-minute flight deals from Stewart to San Antonio. Data last updated julio 3, 2025 and is based on user searches.

dom. 7/136:42 pmSWF - SAT

2 stops25h 40mMultiple Airlines

sáb. 7/197:45 amSAT - SWF

3 stops25h 38mMultiple Airlines

Deal found 7/3

$593

vie. 8/17:56 pmSWF - SAT

2 stops24h 26mMultiple Airlines

vie. 8/87:10 amSAT - SWF

1 stop10h 56mMultiple Airlines

Deal found 7/2

$253

One-way flights from Stewart to San Antonio
Search for one-way flight options from Stewart to San Antonio. Find affordable one-way fares based on user searches. Data last updated julio 3, 2025.

sáb. 8/95:51 pmSWF - SAT

2 stops26h 31mMultiple Airlines

Deal found 7/2

$164

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

vie. 8/1

7:56 pm-7:22 pm

2 stops24h 26m

San Antonio

vie. 8/8

7:10 am-7:06 pm

1 stop10h 56m

$253

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

lun. 10/6

11:01 am-6:03 pm

1 stop8h 02m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Stewart to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Stewart 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 New Windsor to San Antonio

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

Currently, August is the cheapest month in which you can book a flight from New Windsor to San Antonio (average of $295). Flying from New Windsor 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.

Related info for your journey

Can I find deals for flights from Stewart to San Antonio that include hotel bookings?
Yes. In addition to deals on Stewart to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Stewart to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stewart to San Antonio.
Can I find deals for business class flights from Stewart to San Antonio?
Yes. Cheapflights offers flight deals from Stewart 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 New Windsor to San Antonio?
Currently, August is the cheapest month in which you can book a flight from New Windsor to San Antonio (average of $295). Flying from New Windsor 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.

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$115+ Cheap flights from New Windsor to San Antonio (SWF - SAT)

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Stewart to San Antonio with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Stewart to San Antonio

Round-trip from

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Popular in

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Find flight deals from Stewart to San Antonio

Cheapest flights from Stewart to San AntonioExplore the most affordable flight options available from Stewart to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Explore the most affordable flight options available from Stewart to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Stewart to San Antonio

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

Cheapflights Insights

Everything you need to know about your flight from New Windsor to San Antonio

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

Related info for your journey

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

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

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

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

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

Traveling to a place near New Windsor?

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Alternative routes for Stewart to San Antonio

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Cheapest flights from Stewart to San Antonio
Explore the most affordable flight options available from Stewart to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.