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$53+ Cheap flights from Newark (EWR) to San Antonio (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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAT
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to San Antonio are usually found in September or August, booked 37 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Newark to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2025.

Round-trip from

$158
(Cheapflightsfares)

One-way from

$53
(Priceline)

Popular in

December

Cheapest in

September

Average price

$277

Good round-trip deal

$191 or less

Good one-way deal

$140 or less
From Newark to San Antonio
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One-way flight from Newark to San Antonio
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Highest demand for flights based on searches. 15% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Newark to San Antonio.
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Price to beat on a one-way flight from Newark to San Antonio.
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Find flight deals from Newark to San Antonio

Cheapest flights from Newark to San Antonio
Explore the most affordable flight options available from Newark to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/164:40 pmEWR - SAT
1 stop8h 19mSpirit Airlines
Sun 7/205:38 pmSAT - EWR
1 stop5h 34mSpirit Airlines
Deal found 7/1$158
This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2211:03 amEWR - SAT
1 stop6h 39mFrontier
Mon 8/255:27 pmSAT - EWR
1 stop6h 16mFrontier
Deal found 7/1$159
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:00 amEWR - SAT
1 stop6h 40mMultiple Airlines
Sun 10/269:00 amSAT - EWR
Nonstop3h 52mMultiple Airlines
Deal found 6/30$189

Cheapflights Fare Finder

Customize your flight search to find flights from Newark to San Antonio 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 July 2, 2025.
Use the filters below to find and compare flights from Newark Airport to San Antonio that are best for you.

Fly from

Newark

Fly to

San Antonio

Route

Depart

Return

Price

NewarkSan Antonio

EWR - SAT

EWRSAT

Newark

Wed 7/16

4:40 pm-11:59 pm

1 stop8h 19m

San Antonio

Sun 7/20

5:38 pm-12:12 am

1 stop5h 34m

$158

NewarkSan Antonio

EWR - SAT

EWRSAT

Newark

Fri 8/22

11:03 am-4:42 pm

1 stop6h 39m

San Antonio

Mon 8/25

5:27 pm-12:43 am

1 stop6h 16m

$159

NewarkSan Antonio

EWR - SAT

EWRSAT

Newark

Fri 10/24

11:00 am-4:40 pm

1 stop6h 40m

San Antonio

Sun 10/26

9:00 am-1:52 pm

Nonstop3h 52m

$189

NewarkSan Antonio

EWR - SAT

EWRSAT

Newark

Mon 8/18

11:04 am-4:52 pm

1 stop6h 48m

$53

NewarkSan Antonio

EWR - SAT

EWRSAT

Newark

Wed 7/23

10:50 am-11:59 pm

2 stops14h 09m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

The best insider tips for Newark Airport to San Antonio flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to San Antonio trip
Airlines
United Airlines

United's Economy Plus offers extra legroom and priority boarding, enhancing comfort and efficiency.


United's MileagePlus pooling allows family members to combine miles for rewards.

Read more about United Airlinesby Harriet Baskas
Spirit Airlines

Spirit's Big Front Seats offer 11 inches extra legroom, ideal for medium-haul comfort.


Spirit's self-service bag drop saves time; print your boarding pass to avoid fees.

Read more about Spirit Airlinesby Daniel Scheffler
Airports
EWR

EWR offers live wait time updates for security, but plan for a long wait and arrive at least two hours before your flight.

Read more about EWRby Brandon Schultz
SAT

For quick access to downtown San Antonio, rideshare services are available on the lower level of Terminal A.

Read more about SATby Ramsey Qubein
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Brandon Schultz

Brandon Schultz

Expert on EWR

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on SAT

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Newark to San Antonio

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

How far ahead should I book a flight from Newark Airport to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Newark to San Antonio. Price data was last updated on June 27, 2025.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Newark Airport to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

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

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

Find hourly flight availability from Newark to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

It’s optimal to fly from Newark Airport to San Antonio in the afternoon. By choosing this option you can save up to 65% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Newark Airport to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Newark to San Antonio. Price data was last updated on June 29, 2025.

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

Weekly flight availability from Newark Airport to San Antonio

Explore weekly flight availability from Newark to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 2, 2025.

The most flights from EWR to SAT are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 Antonio. Reviews last updated July 2, 2025.
Peruse reviews from past customers who have flown with Spirit Airlines and Frontier from Newark Airport to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Spirit Airlines
6.3
Okay
8,103 reviews

Boarding

6.6

Food

5.1

Overall

6.3

Crew

7.1

Entertainment

5.0

Comfort

5.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.
Spirit Airlines
6.3
Okay
8,103 reviews
Spirit Airlines
6.3
Okay
8,103 reviews

Boarding

6.6

Food

5.1

Overall

6.3

Crew

7.1

Entertainment

5.0

Comfort

5.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.
Frontier
5.9
Fair
3,290 reviews
Spirit Airlines
6.3
Okay
8,103 reviews

Boarding

6.6

Food

5.1

Overall

6.3

Crew

7.1

Entertainment

5.0

Comfort

5.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.

Related info for your journey

Find useful and relevant information for your journey from Newark 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 airport do you fly into for flights to San Antonio from Newark?

    If you book a flight to San Antonio from Newark, you will be flying to San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 2 flights from Newark to San Antonio per day from 4 different airlines.

  • How popular is this Newark Airport to San Antonio flight route?

    The Newark to San Antonio flight path was viewed by 60 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 flying from Newark Airport to San Antonio round-trip?

    Cheapflights users have booked flights from Newark Airport to San Antonio round-trip from $158. Another airline that can offer you cheap pricing is Frontier. These flights start at 54% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Newark Airport to San Antonio?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Newark Airport to San Antonio on time: United Airlines (76%), Air Canada (74%), Spirit Airlines (70%).

  • What are the cheapest flights from Newark Airport to San Antonio?

    Looking at all options, your cheapest flight can be booked for $80. While the most popular route (Newark - San Antonio) can be booked for $158 on average our data indicates $498 when flying from Newark Airport to San Antonio.

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

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

  • How can I find direct flights from Newark to San Antonio?

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

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

    Yes. Cheapflights offers flight deals from Newark 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 Newark Airport to San Antonio?

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

Traveling to a place near Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
New Braunfels

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Alternative routes for Newark to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Newark to San Antonio

Discover the top 4 airlines that operate flights from Newark to San Antonio. 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$182FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$236Average$402FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$240Average$433FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$353FlexibilityNo cancel feeOn-timeN/A

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