Cheap Flights to San Antonio

Popular airlines to San Antonio

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Find the cheapest month to fly from Columbus (CMH) to San Salvador (SAL)

July is typically the cheapest month to fly

From $244 - $870 per traveler.

Graph displaying average flight prices per month

Tips to find the cheapest flights to San Antonio

The cheapest day to fly

Get started finding a cheap flight to San Antonio on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

is the cheapest month to fly to San Antonio. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to San Antonio. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to San Antonio, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to San Antonio

The lowest price for round-trip flights to San Antonio in 2025 starts from , while one-way tickets start from . Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to San Antonio. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to San Antonio

are just some of the airlines that can typically offer cheap tickets to San Antonio. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to San Antonio and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for San Antonio, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to San Antonio. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your San Antonio plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to San Antonio

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to San Antonio.

Stopover savings

The cheapest tickets to San Antonio are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to San Antonio. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to San Antonio for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to San Antonio. Simply download the free Expedia app to your smart device and activate San Antonio flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to San Antonio. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

What month is the cheapest to fly to San Antonio?
is the cheapest month to travel to San Antonio. There's less demand then, so you're likely to score a great deal. Organizing your trip outside of public and school holidays can also help you save.
Which US cities fly direct to San Antonio?
You can fly to San Antonio directly from 13 US cities. To find a nonstop route, select "Direct flights only" when organizing your flights to San Antonio on Expedia. Then, explore your options and pick the best departure from any of these cities:

  • Los Angeles
  • Washington
  • Houston
  • New York
  • Miami

How to find a cheap flight to San Antonio?
To find cheap flights to San Antonio, book as early as possible and consider traveling during the low season. Want some insider advice? Depart on a Thursday and save around 16% on average compared to those who travel on a Sunday.* Set up price tracking on the Expedia app and we'll let you know if prices drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to San Antonio?
Being flexible about your plans might help you to find last-minute deals on cheap flights to San Antonio. To view all the available options, consider looking at different ticket types, tweaking your San Antonio trip dates, jetting out of an alternative airport or using another carrier.
How far in advance should I book a flight to San Antonio?
Lock in your flight to San Antonio two to four months ahead if you're coming in from an international destination. For domestic travel, the recommendation is around 28 days in advance. Better deals and a wider variety of travel dates, schedules and seating options are just a few of the benefits of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to San Antonio?
Sundays are generally the best day to book a cheap flight to San Antonio, where you can save 8% on average compared to a Friday. If you decide to buy tickets on a Friday, expect to spend more as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to San Antonio?
When you're ready to lock in your ticket to San Antonio, these popular airlines look forward to welcoming you on board:

  • AVIANCA - 459 flights to San Antonio each month, including 459 flights to El Salvador Intl. Airport (SAL) per month.
  • United Airlines - 143 flights to San Antonio each month, including 143 flights to El Salvador Intl. Airport (SAL) per month.
  • Vuela El Salvador - 134 flights to San Antonio each month, including 134 flights to El Salvador Intl. Airport (SAL) per month.

Can I save money by booking a San Antonio trip package?
Bundle your hotel and flight and you could save hundreds of dollars. Plus, you can add extras like activities and car rentals to your San Antonio flight and hotel package deal. With Expedia, it's a breeze to manage all your San Antonio travel arrangements in the same place.
Can I change or cancel my flight to San Antonio?
You can usually change or cancel your flight to San Antonio within 24 hours of booking. However, keep in mind that some fares are non-refundable. In those cases, you may be issued credit for future travel in place of a direct refund. Remember to check the airline's terms of service in your itinerary for exact details. You can use Expedia's "Changes included" or "No cancel fee" filters during your search to secure cheap flights to San Antonio with flexible change policies. For more information, visit our Customer Service Portal.
Flights to San Antonio information
Destination airport
San Antonio

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