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Flights from Ontario to Sioux City
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Find Ontario to Sioux City flights starting at HK$1,107.

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

  • One way
  • Round-trip
      • ONT06:45
        7h 38m
        1 stop
        SUX16:23
        Thu, Jan 23|Ontario - Sioux City|Frontier Airlines
        HK$1,107HK$5,718
        81% OFF
        81% OFF
        HK$5,718HK$1,107

        Choose Frontier Airlines flights from Ontario to Sioux City. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Thu, Jan 23, arriving at Sioux Gateway Airport. One-way Prices start from HK$1,107 including taxes and charges.

      • ONT20:11
        18h 12m
        1 stop
        SUX16:23
        Sun, Jan 26|Ontario - Sioux City|Frontier Airlines
        HK$1,109HK$5,718
        81% OFF
        81% OFF
        HK$5,718HK$1,109

        Choose Frontier Airlines flights from Ontario to Sioux City. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Sun, Jan 26, arriving at Sioux Gateway Airport. One-way Prices start from HK$1,109 including taxes and charges.

      • ONT00:59
        11h 57m
        1 stop
        SUX14:56
        Fri, Jan 3|Ontario - Sioux City|Frontier Airlines
        HK$1,638HK$5,718
        71% OFF
        71% OFF
        HK$5,718HK$1,638

        Choose Frontier Airlines flights from Ontario to Sioux City. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Fri, Jan 3, arriving at Sioux Gateway Airport. One-way Prices start from HK$1,638 including taxes and charges.

      • ONT05:05
        7h 51m
        1 stop
        SUX14:56
        Fri, Jan 3|Ontario - Sioux City|United Airlines
        HK$1,904
        HK$1,904

        Choose United Airlines flights from Ontario to Sioux City. The one-way connecting flight with United Airlines departs from Ontario International Airport on Fri, Jan 3, arriving at Sioux Gateway Airport. One-way Prices start from HK$1,904 including taxes and charges.

      • ONT13:40
        24h 43m
        1 stop
        SUX16:23
        Wed, Jan 22|Ontario - Sioux City|Southwest Airlines
        HK$4,276
        HK$4,276

        Choose Southwest Airlines flights from Ontario to Sioux City. The one-way connecting flight with Southwest Airlines departs from Ontario International Airport on Wed, Jan 22, arriving at Sioux Gateway Airport. One-way Prices start from HK$4,276 including taxes and charges.

      • ONT16:30
        21h 53m
        1 stop
        SUX16:23
        Sun, Jan 26|Ontario - Sioux City|Southwest Airlines
        HK$4,288
        HK$4,288

        Choose Southwest Airlines flights from Ontario to Sioux City. The one-way connecting flight with Southwest Airlines departs from Ontario International Airport on Sun, Jan 26, arriving at Sioux Gateway Airport. One-way Prices start from HK$4,288 including taxes and charges.

      • ONT01:00 pm
        3h 5m
        Nonstop
        SUX02:00 pm
        Fri, Jan 10|Ontario - Sioux City|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 Ontario to Sioux City?

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 Ontario to Sioux City

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

Frontier Airlines
From HK$1,107
United Airlines
From HK$1,904
American Airlines
From HK$3,445
Delta Air Lines
From HK$3,723
Southwest Airlines
From HK$4,276

Find more flights and airlines

Alternative Routes for Ontario to Sioux City Flights

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

  • Cheapest
    Frontier Airlines
    ONT
    06:45
    7h 38m
    1 transfer
    SUX
    16:23
    Ontario International Airport - Sioux Gateway Airport
    Thu, Jan 23Frontier Airlines
    HK$1,107
  • Frontier Airlines
    ONT
    06:45
    7h 38m
    1 transfer
    SUX
    16:23
    Ontario International Airport - Sioux Gateway Airport
    Thu, Jan 23Frontier Airlines
    HK$1,107
    Find More Flights

FAQ

  • When are flight tickets from Ontario (ONT) to Sioux City (SUX) the cheapest?

    Airlines adjust prices for flights from Ontario to Sioux City 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 Ontario (ONT) to Sioux City (SUX) cost?

    According to Trip.com's data, the lowest price is around HK$3,098.

  • What is the transportation method from the main airport to downtown in Sioux City?

    • The distance from Sioux Gateway Airport to downtown is about 11km, by taxi about 30 minutes.

  • How many airports in Sioux City (SUX)?

    There are 1 airport(s) in Sioux City (SUX): Sioux Gateway Airport.

How to find a cheap flight from Ontario to Sioux City

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 Sioux City. 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 Ontario to Sioux City Flights

Cheapest direct flight priceHK$1,107
Off-season travel monthSeptember
Peak season for travelNovember
Flight distance10,531.27km
Popular airlineFrontier Airlines

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