$23 Cheap Flights to San Antonio, CA

Flights to San Antonio at a glance

Traveling to San Antonio is easy; you can choose between full-service and budget airlines. Compare flight times and select the option that aligns with your budget, schedule, and plans to discover the city's renowned attractions and neighborhoods.

• Major airport near San Antonio: Sonoma County Airport (STS)
• Flights per week: 390+ flights arriving at San Antonio airport
• Number of airlines that fly to San Antonio: around 5+ carriers

Popular airport near San Antonio

San Antonio is a charming village ideal for romantic getaways, business trips, and outdoor adventures. Visitors are drawn to its beautiful scenery, eco-friendly attractions, and beach activities. The village is conveniently served by a major airport, making travel easy for everyone.

• Sonoma County Airport (STS): Situated in Sonoma County, California, approximately 25 miles from San Antonio, this airport provides access to a variety of domestic routes, linking travelers to over 50 cities nationwide. Passengers have the option to upgrade to business class or first-class seating for enhanced comfort, based on the airlines and specific routes available. Key airlines operating at this airport include Alaska Airlines, American Airlines, and Southwest Airlines.

Top routes to San Antonio

• Los Angeles (LAX) to San Antonio (STS), with one-way flight options from around $70
• Burbank (BUR) to San Antonio (STS), with one-way fares starting at around $55
• San Diego (SAN) to San Antonio (STS), with one-way airfare from around $75
• Orange County (SNA) to San Antonio (STS), with one-way fares starting at around $90
• Seattle (SEA) to San Antonio (STS), with one-way flight options from around $80

Cheapest routes to San Antonio

• Burbank (BUR) to San Antonio (STS), with budget one-way fares from around $55
• Redmond (RDM) to San Antonio (STS), with cheap one-way fares from around $55
• Las Vegas (LAS) to San Antonio (STS), with cheap one-way fares from around $60
• Ontario (ONT) to San Antonio (STS), with cheap one-way fares from around $60
• Palm Springs (PSP) to San Antonio (STS), with low-cost one-way tickets from around $60

*Flight times and fares vary by season and availability and are based on one-way routes

Top airlines with flights to San Antonio

• Alaska Airlines: Operating flights to Sonoma County Airport (STS), Alaska Airlines represents about 71% of arrivals in San Antonio. The average one-way ticket costs roughly $260, with options for business and first class depending on the route.
• American Airlines: With services to Sonoma County Airport (STS), American Airlines comprises roughly 22% of arrivals at San Antonio. One-way fares average around $310, and first class may be available based on the route.
• Southwest Airlines: Providing flights to Sonoma County Airport (STS), Southwest Airlines makes up approximately 2% of arrivals in San Antonio. The average one-way fare is about $210.
• Avelo Airlines: Avelo Airlines operates flights to Sonoma County Airport (STS), contributing to around 2% of arrivals in San Antonio. The typical one-way fare is approximately $60.
• Hawaiian Airlines: Serving Sonoma County Airport (STS), Hawaiian Airlines accounts for about 2% of arrivals to San Antonio. Average one-way fares are around $150.

How to save money on a flight to San Antonio

Getting some of the best deals on flights to San Antonio is all about timing and flexibility. Here are some key tips to help you save:

1. Compare flight options—use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
2. Set up price alerts—as an Expedia member you can use Price Tracking to receive notifications when flight prices change.
3. Bundle and save—book a flight and unlock a hotel deal on Expedia*, or explore our San Antonio hotel and flight deals.
4. Think about luggage-nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your baggage allowance before confirming your booking to avoid excess baggage fees at the airport.
5. Earn miles—you can earn airline miles when you book your San Antonio flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in San Antonio

San Antonio welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach San Antonio efficiently:

• Public transportation: From Sonoma County Airport, Santa Rosa Station, a train station, is located about 7.6 miles away by car, providing convenient access for travelers heading to their next destination.
• Hotel transfer: Transfers offer a convenient way to reach your hotel in San Antonio, with private rides that can be arranged in advance.
• Car rental: Renting a car in San Antonio is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in San Antonio on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Where to stay in and around San Antonio

• Sonoma: Sonoma is located 21 miles drive away from San Antonio and is a charming city known for its outdoor and family experiences. Visitors flock to Sonoma to indulge in body treatments and enjoy its vibrant spa scene. Key attractions include the picturesque Sonoma Plaza, perfect for immersing yourself in local culture, and the whimsical Sonoma TrainTown Railroad, which delights families with its amusement rides. For a unique cultural experience, hop aboard the historic Napa Valley Wine Train. Nature lovers will appreciate the nearby urban park and beach, making Sonoma a well-rounded destination.
• Petaluma: San Antonio is situated in Petaluma, a city that offers travelers a blend of outdoor adventures and scenic landscapes. This area is ideal for those looking to explore recreational areas and luxurious resorts. Notable sites include the renowned Sonoma Plaza, which serves as a cultural hub, and the modern Sonoma State University, perfect for a leisurely campus stroll. Art enthusiasts will find inspiration at the Petaluma Arts Center, showcasing local creativity. With its proximity to beautiful beaches and a national state park, Petaluma is a gateway to nature's wonders.
• Novato: Novato is located 6 miles away from San Antonio and is celebrated for its eco-friendly outdoor activities and adventures. This city is a haven for those seeking motor racing thrills and tranquil recreational areas. Nature enthusiasts will love visiting the nearby Muir Woods National Monument, featuring stunning forests, and Point Reyes National Seashore, a protected reserve showcasing breathtaking coastal views. Additionally, the charming Sonoma Plaza offers a rich cultural experience, making Novato an excellent choice for travelers looking to connect with nature while enjoying urban attractions.

Tips for short-haul flights to San Antonio

For quick getaways, efficiency is key. Here is how to make your short-haul journey smoother:

• Pack light and skip checked bags—when flying with budget airlines, it's often more cost-effective to travel with just a carry-on. Maximize space by using mini toiletries, wearing your bulkiest attire, and coordinating outfits efficiently. This approach also helps you avoid the wait at baggage claim upon arrival.
• Bring your own entertainment—many short-haul flights may lack in-flight entertainment options. Download your favorite TV shows, movies, music, or podcasts ahead of time and consider bringing a book to keep yourself entertained. Remember to fully charge your devices before boarding.
• Arrive at the airport in plenty of time—even for short or domestic flights, it's advisable to arrive at least 1.5 to 2 hours before your departure, taking into account traffic and security lines.
• Bring your own snacks and water—pack some snacks and a refillable water bottle to stay hydrated and save money while at the airport.

Tips for long-haul flights to San Antonio

Flying long-haul sometimes requires extra planning to ensure a comfortable journey:

• Select your seat in advance—for longer flights, choosing your seat is crucial for comfort. Full-service airlines often provide complimentary seat selection once online check-in opens, typically 24–48 hours before your flight. Some airlines allow seat selection even earlier.
• Arrive at the airport in plenty of time—aim to arrive at least 3 hours prior to departure for international flights to accommodate check-in, security, and immigration procedures.
• Relax at the airport—if you have some extra time, take the opportunity to explore the shops, grab a coffee, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is generally free and available.
• Adjust to the new time zone mid-flight—begin aligning your body clock by setting your watch and modifying your sleep schedule to fit your destination's time zone. Try to sleep or stay awake during the flight according to the local time at your arrival destination to help minimize jet lag.

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

January 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 2026 starts from $46, while one-way tickets start from from $23. 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

Frontier Airlines, Southwest Airlines, Delta, Alaska Airlines 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.