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Sioux Falls

$141+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FSD
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:31 pmONT - FSD
1 stop17h 25mMultiple Airlines
Mon 11/248:26 pmFSD - ONT
1 stop5h 31mMultiple Airlines
Deal found 11/5$212
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:31 pmONT - FSD
2 stops26h 05mFrontier
Mon 11/248:26 pmFSD - ONT
1 stop5h 31mFrontier
Deal found 11/5$246
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:45 amONT - FSD
1 stop26h 43mFrontier
Mon 11/172:32 pmFSD - ONT
1 stop11h 18mFrontier
Deal found 11/6$254
This Frontier deal was found by Cheapflights users on 11/5. 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.
Fri 11/146:53 amONT - FSD
1 stop4h 49mFrontier
Mon 11/172:32 pmFSD - ONT
1 stop11h 18mFrontier
Deal found 11/5$257
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:18 pmONT - FSD
1 stop19h 42mMultiple Airlines
Sat 12/131:10 pmFSD - ONT
1 stop10h 07mMultiple Airlines
Deal found 11/4$261
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:53 amONT - FSD
1 stop4h 49mFrontier
Fri 11/142:27 pmFSD - ONT
1 stop11h 23mFrontier
Deal found 11/6$350
This Delta deal was found by Cheapflights users on 11/5. 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 11/1412:16 pmONT - FSD
1 stop8h 53mDelta
Thu 11/205:05 amFSD - ONT
1 stop8h 01mDelta
Deal found 11/5$374
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 12/101:34 pmONT - FSD
1 stop4h 47mUnited Airlines
Sat 12/138:00 amFSD - ONT
2 stops14h 42mUnited Airlines
Deal found 11/5$384
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 11/136:11 amONT - FSD
1 stop5h 50mAmerican Airlines
Sun 11/166:30 amFSD - ONT
1 stop9h 33mAmerican Airlines
Deal found 11/4$409

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$212
(Kiwi.com)

One-way from

$141
(Frontier)

Popular in

December

Cheapest in

October

Average price

$507
Provider with most accurate pricing for Ontario-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Sioux Falls Joe Foss Field flights.
Search Deals
From Ontario to Sioux Falls Joe Foss Field
Search Deals
One-way flight from Ontario to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 6, 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

Mon 1/12

4:45 pm-11:41 pm

1 stop4h 56m

Sioux Falls Joe Foss Field

Mon 1/19

2:25 pm-6:20 pm

1 stop5h 55m

$269

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 1/12

6:39 pm-10:47 am

2 stops14h 08m

Sioux Falls Joe Foss Field

Mon 1/19

9:00 am-12:47 pm

1 stop5h 47m

$292

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 12/8

10:12 pm-3:00 pm

2 stops14h 48m

Sioux Falls Joe Foss Field

Sat 12/13

1:10 pm-9:17 pm

1 stop10h 07m

$296

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Sat 3/7

1:45 pm-8:38 pm

1 stop4h 53m

Sioux Falls Joe Foss Field

Tue 3/10

9:00 am-12:43 pm

1 stop5h 43m

$379

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 12/10

1:34 pm-8:21 pm

1 stop4h 47m

Sioux Falls Joe Foss Field

Sat 12/13

8:00 am-8:42 pm

2 stops14h 42m

$384

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 11/19

12:58 am-9:45 am

2 stops30h 47m

Sioux Falls Joe Foss Field

Mon 11/24

8:26 pm-11:57 pm

1 stop5h 31m

$391

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 12/23

6:17 pm-11:50 am

1 stop15h 33m

Sioux Falls Joe Foss Field

Fri 12/26

8:50 pm-11:59 pm

1 stop29h 09m

$421

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 1/5

6:45 am-7:55 pm

1 stop11h 10m

$141

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Sun 11/30

6:30 am-7:31 pm

2 stops35h 01m

$208

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 1/6

1:04 pm-11:14 pm

1 stop8h 10m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 14 results
1
2

Compare providers for flights from Ontario to Sioux Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Sioux Falls in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Sioux Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Sioux Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Sioux Falls flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Sioux Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, May is the cheapest month in which you can book a flight from Ontario to Sioux Falls (average of $110). Flying from Ontario to Sioux Falls in March is currently the most expensive (average of $268). 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 November 6, 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 60% on your trip compared to booking a flight at noon.

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 November 6, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Frontier from Ontario to Sioux Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
9,003 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
American Airlines
7.2
Good
11,041 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
Frontier
5.8
Fair
3,116 reviews
United Airlines
7.4
Good
9,003 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

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.

  • How long is the flight from Ontario to Sioux Falls?

    For as low as $269, American Airlines can have you in Sioux Falls from Ontario in 4h 56m. Ontario and Sioux Falls are separated by a distance of 1295 mi. This flight may include one or multiple stops.

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

    Currently priced at $65, Frontier will fly you from Ontario to Sioux Falls and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $268 and $293, respectively. Users have found that Frontier is 83% 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 Frontier, with whom users have recently found tickets for as low as $141. However, be on the lookout for offers from Delta and United Airlines, 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, May is the cheapest month in which you can book a flight from Ontario to Sioux Falls (average of $110). Flying from Ontario to Sioux Falls in March is currently the most expensive (average of $268). 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.

See more FAQs

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$230FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$268Average$407FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$293Average$449FlexibilityNo cancel feeOn-time69%

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