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Ontario

$108+ Cheap flights from South Dakota to Ontario (ONT)

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — ONT
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheap flight deals from South Dakota to Ontario

Keep the following information in mind while searching for South Dakota to Ontario flight deals. Data was last updated June 30, 2025.

Round-trip from

$238
(Expedia)

One-way from

$108
(Frontier)

Popular in

November

Cheapest in

July

Average price

$368
From South Dakota to Ontario
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One-way flight from South Dakota to Ontario
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Highest demand for flights based on searches. 13% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 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 South Dakota to Ontario

Cheapest flights from South Dakota to Ontario
Explore the most affordable flight options available from South Dakota to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This Expedia deal was found by Cheapflights users on 6/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/102:57 pmFSD - ONT
1 stop10h 53mFrontier
Sat 7/1212:59 amONT - FSD
1 stop11h 03mFrontier
Deal found 6/29$238
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 8/132:35 pmFSD - ONT
1 stop5h 17mAmerican Airlines
Fri 8/228:14 amONT - FSD
1 stop6h 21mAmerican Airlines
Deal found 6/28$269
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 8/212:38 pmRAP - ONT
1 stop5h 47mUnited Airlines
Sun 8/105:05 amONT - RAP
1 stop5h 31mUnited Airlines
Deal found 6/30$339
This Delta deal was found by Cheapflights users on 6/29. 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.
Tue 10/71:20 pmFSD - ONT
2 stops12h 26mDelta
Tue 10/145:51 pmONT - FSD
2 stops14h 14mDelta
Deal found 6/29$374
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 11/208:47 amFSD - ONT
1 stop5h 46mUnited Airlines
Mon 11/245:40 amONT - FSD
1 stop4h 51mUnited Airlines
Deal found 6/29$399
This Delta deal was found by Cheapflights users on 6/29. 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.
Thu 11/2010:46 amABR - ONT
2 stops7h 28mDelta
Mon 11/246:43 amONT - ABR
2 stops12h 57mDelta
Deal found 6/29$703
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 7/111:18 amRAP - ONT
1 stop11h 15mAmerican Airlines
Thu 7/310:54 amONT - RAP
1 stop9h 03mAmerican Airlines
Deal found 6/30$849

Cheapflights Fare Finder

Customize your flight search to find flights from South Dakota to Ontario 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 30, 2025.
Use the filters below to find and compare flights from South Dakota to Ontario that are best for you.

Fly from

South Dakota

Fly to

Ontario

Route

Depart

Return

Price

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 7/10

2:57 pm-11:50 pm

1 stop10h 53m

Ontario

Sat 7/12

12:59 am-2:02 pm

1 stop11h 03m

$238

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 8/13

2:35 pm-5:52 pm

1 stop5h 17m

Ontario

Fri 8/22

8:14 am-4:35 pm

1 stop6h 21m

$269

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Sat 8/2

12:38 pm-5:25 pm

1 stop5h 47m

Ontario

Sun 8/10

5:05 am-11:36 am

1 stop5h 31m

$339

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 7/4

5:10 pm-8:54 pm

1 stop5h 44m

Ontario

Fri 7/11

1:34 pm-11:37 pm

1 stop8h 03m

$405

AberdeenOntario

ABR - ONT

ABRONT

Aberdeen

Mon 7/28

6:30 am-12:14 pm

2 stops7h 44m

Ontario

Mon 8/4

9:44 am-9:28 pm

2 stops9h 44m

$983

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 7/23

7:48 pm-11:50 pm

1 stop6h 02m

$108

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Wed 7/23

11:16 am-5:25 pm

1 stop7h 09m

$219

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Tue 8/5

9:15 am-12:32 pm

1 stop5h 17m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Best time to book a flight from South Dakota to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from South Dakota 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 South Dakota to Ontario

What is the cheapest month to book a flight from South Dakota to Ontario?

Currently, August is the cheapest month in which you can book a flight from South Dakota to Ontario (average of $246). Flying from South Dakota to Ontario in March is currently the most expensive (average of $328). 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 SD to ONT?

Find hourly flight availability from South Dakota to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to Ontario as you normally would.

How much does it cost to fly round-trip from South Dakota to Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 30, 2025.
Read through reviews of airlines operating flights from South Dakota to Ontario, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
5.9
Fair
3,289 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What airport do you fly into for flights to Ontario from South Dakota?

    For a flight from South Dakota to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • What are the most popular routes from South Dakota to Ontario?

    When deciding which route to take from South Dakota to Ontario consider Sioux Falls Joe Foss Field - Ontario, Rapid City - Ontario or Aberdeen - Ontario as they are the most popular.

  • Can I find deals for flights from South Dakota to Ontario that include hotel bookings?

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

  • How can I find direct flights from South Dakota to Ontario?

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

  • Can I find deals for business class flights from South Dakota to Ontario?

    Yes. Cheapflights offers flight deals from South Dakota to Ontario 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 South Dakota to Ontario?

    Currently, August is the cheapest month in which you can book a flight from South Dakota to Ontario (average of $246). Flying from South Dakota to Ontario in March is currently the most expensive (average of $328). 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

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Alternative routes for South Dakota to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from South Dakota to Ontario

Discover the top 2 airlines that operate flights from South Dakota to Ontario. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$408FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$273Average$383FlexibilityNo cancel feeOn-time71%

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