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Cheap flights from Ontario to South Dakota from C$ 281

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — FSD
17 Apr — 24 Apr1
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 18 March 2026.

Tue 21/42:40 p.m.
YOW
-
RAP
2 stops9h 48m
United Airlines
Fri 24/411:40 a.m.
RAP
-
YOW
1 stop7h 55m
United Airlines
Deal found 17/3C$ 552
Thu 30/412:30 p.m.
YUL
-
FSD
1 stop11h 41m
American Airlines
Thu 7/57:39 p.m.
FSD
-
YUL
1 stop15h 05m
American Airlines
Deal found 16/3C$ 596
Mon 13/44:16 p.m.
YUL
-
RAP
2 stops21h 07m
American Airlines
Sat 18/44:57 p.m.
RAP
-
YUL
2 stops16h 47m
American Airlines
Deal found 15/3C$ 720
Thu 16/49:30 a.m.
YUL
-
FSD
2 stops15h 10m
Delta
Mon 20/45:25 a.m.
FSD
-
YUL
2 stops12h 26m
Delta
Deal found 17/3C$ 772
Tue 12/52:32 p.m.
YUL
-
RAP
2 stops22h 51m
American Airlines
Wed 1/712:47 p.m.
RAP
-
YUL
1 stop26h 04m
American Airlines
Deal found 17/3C$ 794
Fri 8/53:45 p.m.
YUL
-
RAP
1 stop8h 13m
American Airlines
Mon 18/54:57 p.m.
RAP
-
YUL
2 stops20h 30m
American Airlines
Deal found 15/3C$ 812
Wed 8/74:55 p.m.
YUL
-
FSD
1 stop6h 12m
United Airlines
Fri 24/77:40 a.m.
FSD
-
YUL
1 stop8h 50m
United Airlines
Deal found 13/3C$ 819
Mon 13/45:05 p.m.
YUL
-
RAP
2 stops7h 15m
Delta
Fri 17/43:55 p.m.
RAP
-
YUL
2 stops14h 45m
Delta
Deal found 13/3C$ 831
Thu 10/126:00 a.m.
YYZ
-
RAP
2 stops11h 16m
Delta
Sun 13/126:20 a.m.
RAP
-
YYZ
1 stop7h 37m
Delta
Deal found 15/3C$ 833
Tue 12/56:00 a.m.
YUL
-
RAP
2 stops9h 44m
Delta
Wed 1/712:30 p.m.
RAP
-
YUL
1 stop9h 26m
Delta
Deal found 16/3C$ 833
Thu 16/42:20 p.m.
YUL
-
FSD
2 stops8h 34m
United Airlines
Mon 20/43:10 p.m.
FSD
-
YUL
1 stop5h 16m
United Airlines
Deal found 15/3C$ 834
Thu 10/129:30 a.m.
YYZ
-
RAP
2 stops11h 38m
United Airlines
Sun 13/125:30 a.m.
RAP
-
YYZ
2 stops11h 12m
United Airlines
Deal found 16/3C$ 834

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 18 March 2026.

Round-trip from

C$ 552

One-way from

C$ 281
United Airlines
  • United Airlines
  • 21/4-24/4
  • 3 total stops
  • 17h 43m total
  • Ontario to South Dakota
Search Deals
28/4
  • 28/4
  • 1 total stop
  • 29h 00m 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 18 March 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

OttawaRapid City

YOW - RAP

YOWRAP

Ottawa

Tue 21/4

2:40 p.m.-10:28 p.m.

2 stops9h 48m

Rapid City

Fri 24/4

2:47 p.m.-9:11 a.m.

2 stops16h 24m

C$ 552

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

7:00 a.m.-1:03 p.m.

1 stop7h 03m

Sioux Falls Joe Foss Field

Mon 20/4

5:25 a.m.-6:51 p.m.

2 stops12h 26m

C$ 804
Quickest round-trip

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

9:45 a.m.-2:32 p.m.

1 stop5h 47m

Sioux Falls Joe Foss Field

Sat 25/7

11:16 a.m.-5:30 p.m.

1 stop5h 14m

C$ 819

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

9:45 a.m.-2:32 p.m.

1 stop5h 47m

Sioux Falls Joe Foss Field

Wed 22/7

11:16 a.m.-5:30 p.m.

1 stop5h 14m

C$ 819

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

5:05 p.m.-10:20 p.m.

2 stops7h 15m

Rapid City

Fri 17/4

3:55 p.m.-8:40 a.m.

2 stops14h 45m

C$ 831

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

7:10 a.m.-1:44 p.m.

1 stop8h 34m

Rapid City

Wed 1/7

12:30 p.m.-11:56 p.m.

1 stop9h 26m

C$ 833

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

9:15 a.m.-5:44 p.m.

2 stops9h 29m

Sioux Falls Joe Foss Field

Mon 20/4

11:25 a.m.-12:13 a.m.

2 stops11h 48m

C$ 834

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 9/4

6:20 a.m.-12:53 p.m.

2 stops7h 33m

Sioux Falls Joe Foss Field

Mon 13/4

4:17 p.m.-11:10 p.m.

1 stop5h 53m

C$ 834

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

9:45 a.m.-2:32 p.m.

1 stop5h 47m

Sioux Falls Joe Foss Field

Sat 25/7

7:40 a.m.-5:30 p.m.

1 stop8h 50m

C$ 835

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Wed 24/6

10:45 a.m.-7:13 p.m.

1 stop10h 28m

Rapid City

Thu 2/7

11:20 a.m.-9:32 p.m.

1 stop8h 12m

C$ 835

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/3

Showing 1-10 of 31 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.

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 03m. United Airlines provides one of the quickest options available for as low as C$ 804. The distance from Region of Ontario to South Dakota is about 1827 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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