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Cheap flights from Ontario to South Dakota from C$ 362

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — FSD
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to South Dakota

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to South Dakota
Explore the most affordable flight options available from Ontario to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Sun 13/97:00 a.m.
YYZ
-
RAP
1 stop9h 44m
Multiple Airlines
Sun 20/93:34 p.m.
RAP
-
YYZ
1 stop13h 05m
Multiple Airlines
Deal found 30/7C$ 585
Sat 15/87:00 a.m.
YYZ
-
RAP
1 stop5h 26m
United Airlines
Sat 22/85:58 p.m.
RAP
-
YYZ
2 stops14h 06m
United Airlines
Deal found 28/7C$ 649
Sun 13/96:30 a.m.
YYZ
-
FSD
1 stop18h 59m
American Airlines
Sun 20/96:41 p.m.
FSD
-
YYZ
1 stop15h 18m
American Airlines
Deal found 30/7C$ 659
Fri 11/912:45 p.m.
YYZ
-
RAP
2 stops9h 53m
United Airlines
Fri 18/910:11 a.m.
RAP
-
YYZ
2 stops11h 43m
United Airlines
Deal found 27/7C$ 697
Thu 27/89:30 a.m.
YUL
-
FSD
2 stops11h 29m
Delta
Mon 31/84:28 p.m.
FSD
-
YUL
1 stop6h 12m
Delta
Deal found 28/7C$ 698
Thu 27/86:00 a.m.
YUL
-
RAP
2 stops10h 52m
United Airlines
Mon 31/85:00 a.m.
RAP
-
YUL
2 stops15h 06m
United Airlines
Deal found 27/7C$ 698
Thu 27/87:00 a.m.
YUL
-
RAP
1 stop8h 48m
Delta
Mon 31/82:32 p.m.
RAP
-
YUL
1 stop7h 08m
Delta
Deal found 29/7C$ 700
Sat 17/107:29 a.m.
YYZ
-
FSD
1 stop12h 36m
American Airlines
Wed 21/107:39 p.m.
FSD
-
YYZ
1 stop14h 20m
American Airlines
Deal found 31/7C$ 701
Thu 27/82:20 p.m.
YUL
-
FSD
2 stops10h 02m
United Airlines
Mon 31/87:47 a.m.
FSD
-
YUL
2 stops10h 58m
United Airlines
Deal found 28/7C$ 708
Fri 11/96:30 a.m.
YYZ
-
RAP
1 stop13h 07m
American Airlines
Fri 18/96:07 p.m.
RAP
-
YYZ
1 stop14h 52m
American Airlines
Deal found 27/7C$ 719
Mon 14/95:34 p.m.
YUL
-
FSD
1 stop7h 55m
American Airlines
Thu 17/95:56 p.m.
FSD
-
YUL
1 stop19h 39m
American Airlines
Deal found 30/7C$ 722
Tue 1/94:18 p.m.
YYZ
-
FSD
1 stop8h 26m
United Airlines
Tue 8/91:33 p.m.
FSD
-
YYZ
1 stop6h 59m
United Airlines
Deal found 28/7C$ 729

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 1 August 2026.

Round-trip from

C$ 585

One-way from

C$ 362
13/9-20/9
  • 13/9-20/9
  • 2 total stops
  • 22h 49m total
  • Ontario to South Dakota
Search Deals
United Airlines
  • United Airlines
  • 14/10
  • 2 total stops
  • 9h 57m total
  • 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 629,999 searches. Data last updated 1 August 2026.
Use the filters below to find and compare flights from Ontario to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Sun 13/9

7:00 a.m.-2:44 p.m.

1 stop9h 44m

Rapid City

Sun 20/9

3:34 p.m.-6:39 a.m.

1 stop13h 05m

C$ 585

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Tue 12/1

9:30 a.m.-5:03 p.m.

2 stops9h 33m

Rapid City

Sat 16/1

5:48 p.m.-9:29 a.m.

2 stops13h 41m

C$ 639

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Tue 12/1

5:10 p.m.-10:39 p.m.

1 stop7h 29m

Rapid City

Sat 16/1

4:00 p.m.-11:04 p.m.

1 stop5h 04m

C$ 639

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Tue 12/1

12:45 p.m.-10:39 p.m.

2 stops11h 54m

Rapid City

Sat 16/1

4:00 p.m.-11:35 p.m.

1 stop5h 35m

C$ 655

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

2:20 p.m.-11:22 p.m.

2 stops10h 02m

Sioux Falls Joe Foss Field

Mon 31/8

7:47 a.m.-7:45 p.m.

2 stops10h 58m

C$ 698

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

7:00 a.m.-12:38 p.m.

1 stop6h 38m

Sioux Falls Joe Foss Field

Mon 31/8

4:28 p.m.-11:40 p.m.

1 stop6h 12m

C$ 698

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

6:00 a.m.-2:52 p.m.

2 stops10h 52m

Rapid City

Mon 31/8

5:00 a.m.-10:06 p.m.

2 stops15h 06m

C$ 698

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

7:00 a.m.-1:48 p.m.

1 stop8h 48m

Rapid City

Mon 31/8

2:32 p.m.-11:40 p.m.

1 stop7h 08m

C$ 700

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Sat 17/10

7:29 a.m.-7:05 p.m.

1 stop12h 36m

Sioux Falls Joe Foss Field

Wed 21/10

7:39 p.m.-10:59 a.m.

1 stop14h 20m

C$ 701

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Wed 2/9

9:44 a.m.-11:22 p.m.

2 stops14h 38m

Sioux Falls Joe Foss Field

Tue 8/9

6:41 p.m.-11:59 p.m.

1 stop4h 18m

C$ 729

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 33 resultsSorted by cheapest first
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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.

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated 1 August 2026.
Get a feel of what it's like to fly with United Airlines from Ontario to South Dakota by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,062 reviews
Check prices

Overall

7.4

Comfort

7.3

Food

6.7

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
10,062 reviews
United Airlines
7.4
Good
10,062 reviews
Check prices

Overall

7.4

Comfort

7.3

Food

6.7

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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?

    A quick flight from Region of Ontario to South Dakota can take about 7h 29m. United Airlines provides one of the quickest options available for as low as C$ 639. The distance from Region of Ontario to South Dakota is about 1872 km. This flight may include one or multiple stops.

  • 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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Top airline flying from Ontario to South Dakota

Discover the top airline that operate flights from Ontario to South Dakota. 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 629,999 searches. Data last updated 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 810AverageC$ 993FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from Ontario to South Dakota?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to South Dakota?

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Yes! Cheapflights helps users easily find flights from Ontario to South Dakota with no change fees.

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