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South Dakota

$304+ Cheap flights from Ontario to South Dakota

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — FSD
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheap flight deals from Ontario to South Dakota

Best flights from Ontario to South Dakota
Discover carefully curated flight deals from Ontario to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 17, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 1/219:45 amYOW - RAP
2 stops9h 27mUnited Airlines
Fri 1/237:00 amRAP - YOW
2 stops12h 56mUnited Airlines
Deal found 12/14$304
This Delta deal was found by Cheapflights users on 12/16. 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 1/810:16 amYYZ - FSD
2 stops13h 54mDelta
Mon 1/124:17 pmFSD - YYZ
2 stops16h 09mDelta
Deal found 12/16$470
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 1/512:59 pmYUL - RAP
2 stops26h 35mAmerican Airlines
Mon 1/122:08 pmRAP - YUL
2 stops20h 16mAmerican Airlines
Deal found 12/15$622
This Delta deal was found by Cheapflights users on 12/15. 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 1/97:50 amYYZ - RAP
2 stops16h 38mDelta
Sun 1/114:10 pmRAP - YYZ
2 stops22h 02mDelta
Deal found 12/15$472
This United Airlines deal was found by Cheapflights users on 12/14. 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 1/88:15 amYYZ - FSD
1 stop14h 35mUnited Airlines
Mon 1/127:30 amFSD - YYZ
1 stop8h 09mUnited Airlines
Deal found 12/14$524
This Delta deal was found by Cheapflights users on 12/15. 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 1/97:30 pmYUL - FSD
2 stops17h 57mDelta
Mon 1/124:17 pmFSD - YUL
2 stops15h 27mDelta
Deal found 12/15$491
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 1/94:10 pmYYZ - RAP
1 stop6h 22mUnited Airlines
Sun 1/117:00 amRAP - YYZ
1 stop6h 02mUnited Airlines
Deal found 12/15$588
This Delta deal was found by Cheapflights users on 12/15. 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 1/157:30 pmYUL - RAP
2 stops16h 43mDelta
Mon 1/196:00 amRAP - YUL
2 stops7h 56mDelta
Deal found 12/15$546
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Fri 1/94:45 pmYUL - FSD
1 stop6h 05mUnited Airlines
Mon 1/127:30 amFSD - YUL
1 stop5h 30mUnited Airlines
Deal found 12/14$591
This United Airlines deal was found by Cheapflights users on 12/14. 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 1/155:25 pmYUL - RAP
1 stop7h 04mUnited Airlines
Mon 1/197:00 amRAP - YUL
1 stop7h 58mUnited Airlines
Deal found 12/14$645
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 1/56:00 amYUL - RAP
1 stop6h 30mUnited Airlines
Mon 1/124:40 pmRAP - YUL
2 stops20h 36mUnited Airlines
Deal found 12/15$687

Find flight deals from Ontario to South Dakota

Keep the following information in mind while searching for Ontario to South Dakota flight deals. Data was last updated December 17, 2025.

Round-trip from

$304
(United Airlines)
From Ontario to South Dakota
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to South Dakota 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 December 17, 2025.
Use the filters below to find and compare flights from Ontario to South Dakota that are best for you.

Fly from

Ontario

Fly to

South Dakota

Route

Depart

Return

Price

OttawaRapid City

YOW - RAP

YOWRAP

Ottawa

Wed 1/21

9:45 am-5:12 pm

2 stops9h 27m

Rapid City

Fri 1/23

7:00 am-9:56 pm

2 stops12h 56m

$304

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 1/8

10:16 am-11:10 pm

2 stops13h 54m

Sioux Falls Joe Foss Field

Mon 1/12

4:17 pm-9:26 am

2 stops16h 09m

$470

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Fri 1/9

7:50 am-10:28 pm

2 stops16h 38m

Rapid City

Sun 1/11

4:10 pm-4:12 pm

2 stops22h 02m

$472

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Fri 1/9

7:30 pm-12:27 pm

2 stops17h 57m

Sioux Falls Joe Foss Field

Mon 1/12

4:17 pm-8:44 am

2 stops15h 27m

$491

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 1/8

8:15 am-9:50 pm

1 stop14h 35m

Sioux Falls Joe Foss Field

Mon 1/12

7:30 am-4:39 pm

1 stop8h 09m

$524

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Thu 1/15

7:30 pm-10:13 am

2 stops16h 43m

Rapid City

Mon 1/19

6:00 am-3:56 pm

2 stops7h 56m

$546

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Fri 1/9

4:10 pm-8:32 pm

1 stop6h 22m

Rapid City

Sun 1/11

7:00 am-3:02 pm

1 stop6h 02m

$588

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Fri 1/9

4:45 pm-9:50 pm

1 stop6h 05m

Sioux Falls Joe Foss Field

Mon 1/12

7:30 am-2:00 pm

1 stop5h 30m

$591

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Mon 1/5

12:59 pm-1:34 pm

2 stops26h 35m

Rapid City

Mon 1/12

2:08 pm-12:24 pm

2 stops20h 16m

$622

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Thu 1/15

5:25 pm-10:29 pm

1 stop7h 04m

Rapid City

Mon 1/19

7:00 am-4:58 pm

1 stop7h 58m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 11 results
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Best time to book a flight from Ontario to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota 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 South Dakota
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to South Dakota. 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 Region of Ontario to South Dakota?

    United Airlines, Delta, and American Airlines can get you from Region of Ontario to South Dakota in just under 9h 27m. Your travel time can differ by up to 17h 08m. There are 1341 mi between Region of Ontario and South Dakota. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Ontario to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.
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