Cheap flights from Ontario to San Antonio

Flights starting at $121. Choose between American Airlines, United Airlines, or Frontier Airlines to find the best price.

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Tips to know when travelling to San Antonio

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Travelers usually depart from Ontario International, Ontario, CA station, Ontario Bus Stop, or Montclair (Ontario) when they travel from Ontario to San Antonio. Book your trip to arrive at San Antonio International, San Antonio, San Antonio Train Station, San Antonio-Pearl, or San Antonio-Patton Tareyton Tempo. The most popular airlines for this route are American Airlines, United Airlines, Frontier Airlines, Delta Air Lines, and Volaris. Ontario and San Antonio have 144 direct flights per week.

Check-in for a flight from Ontario to San Antonio

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
American AirlinesAALAAYesNo
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
VolarisVOIY4YesOpens 24 days before flight
Closes 1 hours before flight

San Antonio travel tips

1) Taste unique local Tex-Mex cuisine in San Antonio

Tex-Mex is a fusion of traditional Texas American food and Mexican recipes. Be sure to stop by one of the local restaurants to enjoy this mix of cultures. For example, book a table at Mi Tierra.

2) See the historic buildings that make up the San Antonio Missions National Historical Park

Missions of San Jose, San Juan, Espada, and Concepcion are Spanish border missions that made up the colonial system from the 17th to the 19th century. These cultural objects are well preserved to this day and are part of the single San Antonio Missions National Historical Park, which occupies 330 hectares.

3) Travelling by train? Pay attention to the San Antonio train station

The San Antonio train station is the landmark of this city. Daniel J. Patterson designed the station. The construction of the station was completed in 1902. In 1975, the station was listed on the San Antonio Register of Historic Places. Now there is an entertainment complex. The station has two steam locomotives that previously belonged to the South Pacific Railway.

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Frequently asked questions

What are the most popular routes to and from Ontario?
Travelers frequently search for route combinations, such as Ontario and Denver, Orlando, Austin, Las Vegas, Atlanta, Sacramento, San Francisco, Seattle, Guadalajara, Charlotte, New Orleans, Fort Lauderdale, Philadelphia, Washington, D.C., Oakland, San Jose, Detroit, Minneapolis, Chicago, Houston.
What are the most popular routes to and from San Antonio?
Travelers frequently search for route combinations, such as San Antonio and Las Vegas, Denver, Orlando, San Diego, Atlanta, Los Angeles, Phoenix, Washington, D.C., Chicago, Mexico City, Salt Lake City, Minneapolis, San Juan, Charlotte, San Francisco, Philadelphia, Colorado Springs, Fort Lauderdale, New York, Santa Ana.
What airports are near Ontario?
The main airport in Ontario is Ontario International. It is also served by San Diego International, Ontario International, Tijuana International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Imperial County, Meadows Field, Long Beach.
What airports are near San Antonio?
The main airport in San Antonio is San Antonio International. It is also served by Austin–Bergstrom International, San Antonio International, Laredo International, Nuevo Laredo International, Piedras Negras International, Corpus Christi International, Del Rio International, Victoria Regional, Killeen–Fort Hood Regional, Easterwood.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ontario and San Antonio?
Yes, it's possible to combine different modes of transport between Ontario and San Antonio thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Ontario and San Antonio can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between Ontario and San Antonio?
Currently, you can fly between Ontario and San Antonio with American Airlines, United Airlines, Frontier Airlines, Delta Air Lines, Volaris.
When's the best time to travel between Ontario and San Antonio?
If you don’t have specific dates for your trip between Ontario and San Antonio, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Ontario and San Antonio?
Traveling between Ontario and San Antonio, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Ontario?
How many airports are there near San Antonio?
What time do nonstop (direct) flights between Ontario and San Antonio depart?
What time do nonstop (direct) flights between Ontario and San Antonio arrive?
What time do flights between Ontario and San Antonio depart?
What time do flights between Ontario and San Antonio arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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