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Sioux Falls

$185+ Cheap flights from Ontario to Sioux Falls (ONT - FSD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FSD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$185
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$448
From Ontario to Sioux Falls Joe Foss Field
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One-way flight from Ontario to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Sioux Falls

Cheapest flights from Ontario to Sioux Falls
Explore the most affordable flight options available from Ontario to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:00 amONT - FSD
1 stop8h 45mUnited Airlines
Fri 7/255:10 pmFSD - ONT
1 stop5h 44mUnited Airlines
Deal found 6/9$269
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:59 amONT - FSD
1 stop10h 24mFrontier
Sun 8/242:08 pmFSD - ONT
1 stop11h 42mFrontier
Deal found 6/10$271
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/411:49 amONT - FSD
1 stop9h 21mDelta
Wed 7/93:16 pmFSD - ONT
2 stops10h 26mDelta
Deal found 6/11$329
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1112:46 pmONT - FSD
1 stop7h 15mAmerican Airlines
Wed 7/162:44 pmFSD - ONT
1 stop5h 24mAmerican Airlines
Deal found 6/11$332
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:00 amONT - FSD
2 stops27h 49mAlaska Airlines
Fri 9/512:19 pmFSD - ONT
2 stops24h 25mAlaska Airlines
Deal found 6/11$891

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Sioux Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Ontario to Sioux Falls that are best for you.

Fly from

Ontario

Fly to

Sioux Falls

Route

Depart

Return

Price

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 7/15

7:00 am-5:45 pm

1 stop8h 45m

Sioux Falls Joe Foss Field

Fri 7/25

5:10 pm-8:54 pm

1 stop5h 44m

$269

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 8/20

12:59 am-1:23 pm

1 stop10h 24m

Sioux Falls Joe Foss Field

Sun 8/24

2:08 pm-11:50 pm

1 stop11h 42m

$271

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 7/4

11:49 am-11:10 pm

1 stop9h 21m

Sioux Falls Joe Foss Field

Wed 7/9

3:16 pm-11:42 pm

2 stops10h 26m

$329

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 7/11

12:46 pm-10:01 pm

1 stop7h 15m

Sioux Falls Joe Foss Field

Wed 7/16

2:44 pm-6:08 pm

1 stop5h 24m

$332

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 9/2

6:00 am-11:49 am

2 stops27h 49m

Sioux Falls Joe Foss Field

Fri 9/5

12:19 pm-10:44 am

2 stops24h 25m

$891

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 7/2

7:00 am-9:55 pm

1 stop12h 55m

$185

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 10/1

1:15 pm-8:21 pm

1 stop5h 06m

$200

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 7/16

12:59 am-2:02 pm

1 stop11h 03m

$215

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Sat 6/21

1:15 pm-11:44 pm

2 stops8h 29m

$275

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 6/20

12:59 am-10:50 pm

1 stop19h 51m

$838

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Ontario to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Sioux Falls

What is the cheapest month to book a flight from Ontario to Sioux Falls?

Currently, September is the cheapest month in which you can book a flight from Ontario to Sioux Falls (average of $334). Flying from Ontario to Sioux Falls in December is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to FSD?

Find hourly flight availability from Ontario to Sioux Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Sioux Falls in the afternoon. If you’re flexible enough to do this you can expect to save up to 61% on your trip compared to booking a flight at noon.

Rainfall in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sioux Falls ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Sioux Falls when rainfall is around 0.6 in.

Temperature in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sioux Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Ontario to Sioux Falls to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
6.0
Okay
3,295 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Sioux Falls round-trip?

    Currently priced at $269, United Airlines will fly you from Ontario to Sioux Falls and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $271 and $329, respectively. Users have found that United Airlines is 35% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Ontario to Sioux Falls one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $200. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Ontario to Sioux Falls for a low price.

  • Can I find deals for flights from Ontario to Sioux Falls that include hotel bookings?

    Yes. In addition to deals on Ontario to Sioux Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Sioux Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Sioux Falls.

  • Can I find deals for business class flights from Ontario to Sioux Falls?

    Yes. Cheapflights offers flight deals from Ontario to Sioux Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Sioux Falls?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Sioux Falls (average of $334). Flying from Ontario to Sioux Falls in December is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 3 airlines flying from Ontario to Sioux Falls

Discover the top 3 airlines that operate flights from Ontario to Sioux Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$285FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$268Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$284Average$439FlexibilityNo cancel feeOn-time69%

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