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Flights from Ontario to San Antonio
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Flights from Ontario to San Antonio Starting at NZD 68

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • ONT09:26
        6h 21m
        1 stop
        SAT17:47
        Wed, Nov 20|Ontario - San Antonio|Frontier Airlines
        NZD 68NZD 140
        51% OFF
        51% OFF
        NZD 140NZD 68

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Wed, Nov 20, arriving at San Antonio International Airport. One-way Prices start from NZD 68 including taxes and charges.

      • ONT11:20
        21h 9m
        1 stop
        SAT10:29
        Tue, Nov 19|Ontario - San Antonio|Frontier Airlines
        NZD 81NZD 140
        42% OFF
        42% OFF
        NZD 140NZD 81

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Tue, Nov 19, arriving at San Antonio International Airport. One-way Prices start from NZD 81 including taxes and charges.

      • ONT07:56
        9h 34m
        1 stop
        SAT19:30
        Thu, Jan 30|Ontario - San Antonio|Frontier Airlines
        NZD 84NZD 140
        40% OFF
        40% OFF
        NZD 140NZD 84

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Thu, Jan 30, arriving at San Antonio International Airport. One-way Prices start from NZD 84 including taxes and charges.

      • ONT12:38
        4h 52m
        1 stop
        SAT19:30
        Thu, Dec 5|Ontario - San Antonio|Frontier Airlines
        NZD 88
        NZD 88

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Thu, Dec 5, arriving at San Antonio International Airport. One-way Prices start from NZD 88 including taxes and charges.

      • ONT06:30
        25h 49m
        1 stop
        SAT10:19
        Sun, Nov 17|Ontario - San Antonio|Frontier Airlines
        NZD 90
        NZD 90

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Sun, Nov 17, arriving at San Antonio International Airport. One-way Prices start from NZD 90 including taxes and charges.

      • ONT12:30
        27h 14m
        1 stop
        SAT17:44
        Wed, Dec 11|Ontario - San Antonio|Frontier Airlines
        NZD 94
        NZD 94

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Wed, Dec 11, arriving at San Antonio International Airport. One-way Prices start from NZD 94 including taxes and charges.

      • ONT12:30
        27h 14m
        1 stop
        SAT17:44
        Wed, Dec 4|Ontario - San Antonio|Frontier Airlines
        NZD 94
        NZD 94

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Wed, Dec 4, arriving at San Antonio International Airport. One-way Prices start from NZD 94 including taxes and charges.

      • ONT05:45
        27h 19m
        1 stop
        SAT11:04
        Mon, Nov 18|Ontario - San Antonio|Frontier Airlines
        NZD 96
        NZD 96

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Mon, Nov 18, arriving at San Antonio International Airport. One-way Prices start from NZD 96 including taxes and charges.

      • ONT22:40
        20h 9m
        1 stop
        SAT20:49
        Thu, Nov 21|Ontario - San Antonio|Frontier Airlines
        NZD 96
        NZD 96

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Thu, Nov 21, arriving at San Antonio International Airport. One-way Prices start from NZD 96 including taxes and charges.

      • ONT06:45
        27h 17m
        1 stop
        SAT12:02
        Sat, Jan 18|Ontario - San Antonio|Frontier Airlines
        NZD 97
        NZD 97

        Choose Frontier Airlines flights from Ontario to San Antonio. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Sat, Jan 18, arriving at San Antonio International Airport. One-way Prices start from NZD 97 including taxes and charges.

      • ONT13:00
        3h 5m
        Nonstop
        SAT14:00
        Sun, Nov 24|Ontario - San Antonio|Frontier Airlines
        Find More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Ontario to San Antonio

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Ontario to San Antonio

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From NZD 68
United Airlines
From NZD 225
Delta Air Lines
From NZD 243
Alaska Airlines
From NZD 258
Southwest Airlines
From NZD 271
American Airlines
From NZD 284

Find more flights and airlines

Alternative Routes from Ontario to San Antonio

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Ontario to San Antonio.

  • Cheapest
    Frontier Airlines
    ONT
    09:26
    6h 21m
    1 transfer
    SAT
    17:47
    Ontario International Airport - San Antonio International Airport
    Wed, Nov 20Frontier Airlines
    NZD 68
  • Frontier Airlines
    ONT
    09:26
    6h 21m
    1 transfer
    SAT
    17:47
    Ontario International Airport - San Antonio International Airport
    Wed, Nov 20Frontier Airlines
    NZD 68
    Find More Flights

FAQ

  • When are flight tickets from Ontario (ONT) to San Antonio (SAT) the cheapest?

    Airlines adjust prices for flights from Ontario to San Antonio based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Ontario (ONT) to San Antonio (SAT) cost?

    According to Trip.com's data, the lowest price is around NZD 439.

  • What is the transportation method from the main airport to downtown in San Antonio?

    • The distance from San Antonio International Airport to downtown is about 12 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Ontario to San Antonio

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to San Antonio. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Ontario to San Antonio

Cheapest nonstop flight priceNZD 68
Cheapest round-trip ticket priceNZD 232
Off-season for travelAugust
Peak season for travelNovember
Flight distance10,825.94 km
Popular airlineUnited Airlines

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