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Cheap Flights from Ontario to San Antonio, TX, United States - ONT to SAT

Popular flights from Ontario to San Antonio

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

American Airlines
Departure Date Return Date Lowest Price
May 21, 2016 May 28, 2016 $244
United Airlines
Departure Date Return Date Lowest Price
May 6, 2016 May 8, 2016 $352
May 8, 2016 May 15, 2016 $352

How Much Does it Cost to Fly from Ontario to San Antonio (ONT to SAT)?

We have collected flight cost data from across the web for travel from Ontario to San Antonio, and have found the average flight price for this trip to be $310.

When Can I Buy the Cheapest Flight from Ontario to San Antonio (ONT to SAT)?

Airlines can adjust prices for plane tickets from Ontario to San Antonio based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Ontario to San Antonio

The chart below shows up-to-date information regarding the cheapest days to fly from Ontario to San Antonio.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$249 $329 $352 $341 $303 $244 $352

Lowest Fares Chart By Month from Ontario to San Antonio

The chart below shows the lowest fare by month when flying from Ontario to San Antonio.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Ontario San Antonio American 5/21/16 5/28/16 1 $244
June Ontario San Antonio American 6/3/16 6/13/16 1 $303
July Ontario San Antonio American 7/6/16 7/13/16 1 $352
August Ontario San Antonio American 8/2/16 8/12/16 1 $352
September Ontario San Antonio American 9/7/16 9/12/16 1 $249
October Ontario San Antonio American 10/1/16 10/8/16 1 $244
November Ontario San Antonio American 11/11/16 11/14/16 1 $352
December Ontario San Antonio American 12/25/16 12/26/16 1 $445

Round Trip vs One Way Flights from Ontario to San Antonio (ONT to SAT)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Ontario to San Antonio. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Ontario to San Antonio is $148.

The average price for round trip flights from Ontario to San Antonio is $313.

Ontario to San Antonio Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Ontario to San Antonio?
Answer: Denver, CO

Airlines Flying from Ontario to San Antonio (ONT to SAT)

Below are the different airlines that fly from Ontario to San Antonio with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Ontario to San Antonio.

Ontario to San Antonio
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
Alaska SEA X X X X X
Delta SLC X X X X X X X
Delta SLC / DTW X X X X X X X
United DEN X X X X X X X
Southwest PHX X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Ontario and San Antonio, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Ontario - ONT

FlightsAirlineLowest Price
Ontario to Dallas - Ft Worth American, United $157
Ontario to Austin American, Alaska, United $235

Cheap Domestic Flights to San Antonio - SAT

FlightsAirlineLowest Price
Los Angeles to San Antonio American, Alaska, Frontier, United $227
Las Vegas to San Antonio American, Alaska, Frontier, United $108
San Diego to San Antonio American, Alaska, Frontier, United $266
Santa Ana to San Antonio American, United $244
Long Beach to San Antonio American, Alaska, United $282
Burbank to San Antonio American, United $249
Bakersfield to San Antonio American, United $526
Palm Springs to San Antonio American, Alaska, United $420
San Luis Obispo to San Antonio American, United $448
Santa Barbara to San Antonio American, Alaska, United $502
Los Angeles to Houston American, Alaska, Spirit, United $196
Los Angeles to Austin American, Alaska, Frontier, United, Virgin America $213
San Diego to Dallas - Ft Worth American, Alaska, Spirit, United, Virgin America $88
Las Vegas to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $75
Las Vegas to Austin American, Alaska, JetBlue, Frontier, United, Virgin America $108
San Diego to Austin American, Alaska, Frontier, United, Virgin America $258
Las Vegas to Houston American, Alaska, Frontier, Spirit, United $98
San Diego to Houston American, Alaska, Frontier, Spirit, United $147
Santa Ana to Dallas - Ft Worth American, Alaska, United $200
Los Angeles to Phoenix American, Alaska, Spirit, United, Great Lakes $75
Las Vegas to Los Angeles American, Alaska, Spirit, United, Virgin America $71
Long Beach to Austin American, Alaska, JetBlue, United $213
Burbank to Austin American, United $235
Santa Ana to Austin American, Alaska, United $275
Santa Ana to Houston American, Alaska, United $199
San Diego to Chicago American, Alaska, Frontier, Spirit, United, Virgin America $169
Las Vegas to New York American, Alaska, JetBlue, Spirit, Sun Country, United, Virgin America $236

Cheap International Flights to San Antonio - SAT

FlightsAirlineLowest Price
Los Angeles to Mexico City Silver, Interjet, American, AeroMexico, Alaska, JetBlue, Spirit, United, Aeromar, Virgin America, Volaris, Great Lakes $304
Cheap Flights from Ontario to San Antonio, TX, United States, from $244 Round trip from ONT to SAT