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Flights from Sioux Falls to Ontario
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Find Sioux Falls to Ontario flights starting at CAD 127.

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

  • One way
  • Round-trip
      • FSD14:51
        11h 18m
        1 stop
        ONT00:09
        Fri, Mar 7|Sioux Falls - Ontario|Frontier Airlines
        CAD 127CAD 309
        59% OFF
        59% OFF
        CAD 309CAD 127

        Choose Frontier Airlines flights from Sioux Falls to Ontario. The one-way connecting flight with Frontier Airlines departs from Sioux Falls Regional Airport on Fri, Mar 7, arriving at Ontario International Airport. One-way Prices start from CAD 127 including taxes and charges.

      • FSD14:31
        11h 28m
        1 stop
        ONT23:59
        Mon, Mar 3|Sioux Falls - Ontario|Frontier Airlines
        CAD 136CAD 309
        56% OFF
        56% OFF
        CAD 309CAD 136

        Choose Frontier Airlines flights from Sioux Falls to Ontario. The one-way connecting flight with Frontier Airlines departs from Sioux Falls Regional Airport on Mon, Mar 3, arriving at Ontario International Airport. One-way Prices start from CAD 136 including taxes and charges.

      • FSD14:35
        11h 34m
        1 stop
        ONT00:09
        Mon, Mar 24|Sioux Falls - Ontario|Frontier Airlines
        CAD 138CAD 309
        55% OFF
        55% OFF
        CAD 309CAD 138

        Choose Frontier Airlines flights from Sioux Falls to Ontario. The one-way connecting flight with Frontier Airlines departs from Sioux Falls Regional Airport on Mon, Mar 24, arriving at Ontario International Airport. One-way Prices start from CAD 138 including taxes and charges.

      • FSD14:31
        11h 28m
        1 stop
        ONT23:59
        Mon, Feb 17|Sioux Falls - Ontario|Frontier Airlines
        CAD 191
        CAD 191

        Choose Frontier Airlines flights from Sioux Falls to Ontario. The one-way connecting flight with Frontier Airlines departs from Sioux Falls Regional Airport on Mon, Feb 17, arriving at Ontario International Airport. One-way Prices start from CAD 191 including taxes and charges.

      • FSD18:43
        19h 58m
        1 stop
        ONT12:41
        Mon, Feb 3|Sioux Falls - Ontario|Frontier Airlines
        CAD 231
        CAD 231

        Choose Frontier Airlines flights from Sioux Falls to Ontario. The one-way connecting flight with Frontier Airlines departs from Sioux Falls Regional Airport on Mon, Feb 3, arriving at Ontario International Airport. One-way Prices start from CAD 231 including taxes and charges.

      • FSD18:43
        28h 8m
        1 stop
        ONT20:51
        Mon, Jan 27|Sioux Falls - Ontario|Frontier Airlines
        CAD 233
        CAD 233

        Choose Frontier Airlines flights from Sioux Falls to Ontario. The one-way connecting flight with Frontier Airlines departs from Sioux Falls Regional Airport on Mon, Jan 27, arriving at Ontario International Airport. One-way Prices start from CAD 233 including taxes and charges.

      • FSD21:46
        15h 46m
        1 stop
        ONT11:32
        Thu, Jan 23|Sioux Falls - Ontario|Allegiant Air
        CAD 256
        CAD 256

        Choose Allegiant Air flights from Sioux Falls to Ontario. The one-way connecting flight with Allegiant Air departs from Sioux Falls Regional Airport on Thu, Jan 23, arriving at Ontario International Airport. One-way Prices start from CAD 256 including taxes and charges.

      • FSD18:43
        17h 52m
        1 stop
        ONT10:35
        Fri, Jan 31|Sioux Falls - Ontario|Frontier Airlines
        CAD 261
        CAD 261

        Choose Frontier Airlines flights from Sioux Falls to Ontario. The one-way connecting flight with Frontier Airlines departs from Sioux Falls Regional Airport on Fri, Jan 31, arriving at Ontario International Airport. One-way Prices start from CAD 261 including taxes and charges.

      • FSD09:00
        26h 40m
        1 stop
        ONT09:40
        Sun, Jan 26|Sioux Falls - Ontario|United Airlines
        CAD 270
        CAD 270

        Choose United Airlines flights from Sioux Falls to Ontario. The one-way connecting flight with United Airlines departs from Sioux Falls Regional Airport on Sun, Jan 26, arriving at Ontario International Airport. One-way Prices start from CAD 270 including taxes and charges.

      • FSD21:46
        22h 11m
        1 stop
        ONT17:57
        Thu, Feb 6|Sioux Falls - Ontario|Allegiant Air
        CAD 272
        CAD 272

        Choose Allegiant Air flights from Sioux Falls to Ontario. The one-way connecting flight with Allegiant Air departs from Sioux Falls Regional Airport on Thu, Feb 6, arriving at Ontario International Airport. One-way Prices start from CAD 272 including taxes and charges.

      • FSD01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Sat, Jan 18|Sioux Falls - Ontario|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Sioux Falls to Ontario?

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.

Find Cheapest Airlines Flying from Sioux Falls to Ontario

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

Frontier Airlines
From CAD 127
Allegiant Air
From CAD 256
United Airlines
From CAD 270
American Airlines
From CAD 317
Delta Air Lines
From CAD 353

Find more flights and airlines

Alternative Routes for Sioux Falls to Ontario Flights

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

  • Cheapest
    Frontier Airlines
    FSD
    14:51
    11h 18m
    1 transfer
    ONT
    00:09
    Sioux Falls Regional Airport - Ontario International Airport
    Fri, Mar 7Frontier Airlines
    CAD 127
  • Frontier Airlines
    FSD
    14:51
    11h 18m
    1 transfer
    ONT
    00:09
    Sioux Falls Regional Airport - Ontario International Airport
    Fri, Mar 7Frontier Airlines
    CAD 127
    Find More Flights

FAQ

  • When are flight tickets from Sioux Falls (FSD) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Sioux Falls to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Sioux Falls (FSD) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around CAD 474.

How to find a cheap flight from Sioux Falls to Ontario

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 Sioux Falls to Ontario. 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 for Sioux Falls to Ontario Flights

Cheapest direct flight priceCAD 126
Cheapest return ticket priceCAD 537
Off-season travel monthNovember
Peak season for travelNovember
Flight distance10,550km
Popular airlineAmerican Airlines

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