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Flights from Ontario to Sioux City
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Book flight tickets from Ontario to Sioux City starting at BRL 876

Discover our range of affordable one-way and round-trip flights from Ontario to Sioux City and kick-start your next adventure today!

  • One way
  • Round-trip
      • ONT06:45
        7h 38m
        1 stop
        SUX16:23
        Thu, Jan 23|Ontario - Sioux City|Frontier Airlines
        BRL 876BRL 4,521
        81% OFF
        81% OFF
        BRL 4,521BRL 876

        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 ticket prices start from BRL 876 including taxes and charges.

      • ONT20:11
        18h 12m
        1 stop
        SUX16:23
        Sun, Jan 26|Ontario - Sioux City|Frontier Airlines
        BRL 877BRL 4,521
        81% OFF
        81% OFF
        BRL 4,521BRL 877

        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 ticket prices start from BRL 877 including taxes and charges.

      • ONT00:59
        11h 57m
        1 stop
        SUX14:56
        Fri, Jan 3|Ontario - Sioux City|Frontier Airlines
        BRL 1,295BRL 4,521
        71% OFF
        71% OFF
        BRL 4,521BRL 1,295

        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 ticket prices start from BRL 1,295 including taxes and charges.

      • ONT05:05
        7h 51m
        1 stop
        SUX14:56
        Fri, Jan 3|Ontario - Sioux City|United Airlines
        BRL 1,506
        BRL 1,506

        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 ticket prices start from BRL 1,506 including taxes and charges.

      • ONT13:40
        24h 43m
        1 stop
        SUX16:23
        Wed, Jan 22|Ontario - Sioux City|Southwest Airlines
        BRL 3,381
        BRL 3,381

        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 ticket prices start from BRL 3,381 including taxes and charges.

      • ONT16:30
        21h 53m
        1 stop
        SUX16:23
        Sun, Jan 26|Ontario - Sioux City|Southwest Airlines
        BRL 3,391
        BRL 3,391

        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 ticket prices start from BRL 3,391 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.

Find the best time to fly from Ontario to Sioux City

Explore the best time to buy affordable tickets to Sioux City with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

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

Airlines Flying from Ontario to Sioux City

Which airline provides the cheapest flights from Ontario to Sioux City? Discover the option that best suits your travel needs before embarking on your journey.

Frontier Airlines
From BRL 876
United Airlines
From BRL 1,506
American Airlines
From BRL 2,724
Delta Air Lines
From BRL 2,944
Southwest Airlines
From BRL 3,381

Find more flights and airlines

Alternative Routes from Ontario to Sioux City

Did you know that you can save money and time on an alternative route from Ontario to Sioux City? Check out some of the different available routes below.

  • Cheapest
    Frontier Airlines
    ONT
    06:45
    7h 38m
    1 transfer
    SUX
    16:23
    Ontario International Airport - Sioux Gateway Airport
    Thu, Jan 23Frontier Airlines
    BRL 876
  • Frontier Airlines
    ONT
    06:45
    7h 38m
    1 transfer
    SUX
    16:23
    Ontario International Airport - Sioux Gateway Airport
    Thu, Jan 23Frontier Airlines
    BRL 876
    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 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 Sioux City (SUX) cost?

    According to Trip.com's data, the lowest price is around BRL 2,450.

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

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

How to find a cheap flight from Ontario to Sioux City

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
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 Sioux City

Cheapest nonstop flight priceBRL 875
Off-season for travelSeptember
Peak season for travelNovember
Flight distance10,531.27 km
Popular airlineFrontier Airlines

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