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Cheap flights from Ontario to South Dakota from C$ 428

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — FSD
28 Feb — 7 Mar1
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 29 January 2026.

Sun 1/23:40 p.m.
YYZ
-
FSD
1 stop27h 31m
Multiple Airlines
Sun 8/211:43 a.m.
FSD
-
YYZ
2 stops34h 55m
Multiple Airlines
Deal found 27/1C$ 538
Wed 18/28:00 p.m.
YUL
-
FSD
2 stops26h 57m
United Airlines
Sun 22/26:45 p.m.
FSD
-
YUL
1 stop22h 55m
United Airlines
Deal found 27/1C$ 634
Thu 19/36:49 p.m.
YYZ
-
FSD
2 stops16h 32m
Delta
Tue 31/34:23 p.m.
FSD
-
YYZ
2 stops16h 05m
Delta
Deal found 28/1C$ 654
Thu 4/612:25 p.m.
YYZ
-
FSD
1 stop10h 13m
United Airlines
Sun 7/67:50 a.m.
FSD
-
YYZ
1 stop9h 38m
United Airlines
Deal found 27/1C$ 672
Thu 19/31:10 p.m.
YYZ
-
FSD
1 stop7h 00m
American Airlines
Tue 31/36:50 a.m.
FSD
-
YYZ
1 stop8h 13m
American Airlines
Deal found 28/1C$ 743
Thu 27/810:15 a.m.
YYZ
-
RAP
1 stop8h 48m
United Airlines
Sat 5/97:05 a.m.
RAP
-
YYZ
1 stop13h 39m
United Airlines
Deal found 28/1C$ 787
Thu 7/54:55 p.m.
YUL
-
RAP
1 stop6h 46m
United Airlines
Tue 30/65:30 a.m.
RAP
-
YUL
2 stops8h 51m
United Airlines
Deal found 27/1C$ 787
Tue 24/210:15 a.m.
YYZ
-
RAP
2 stops14h 12m
Delta
Thu 26/24:29 p.m.
RAP
-
YYZ
2 stops14h 53m
Delta
Deal found 28/1C$ 794
Fri 21/86:49 a.m.
YYZ
-
RAP
1 stop11h 22m
American Airlines
Mon 31/86:10 p.m.
RAP
-
YYZ
1 stop21h 30m
American Airlines
Deal found 28/1C$ 797
Thu 7/53:00 p.m.
YUL
-
RAP
1 stop8h 58m
Delta
Tue 30/66:20 a.m.
RAP
-
YUL
1 stop5h 24m
Delta
Deal found 27/1C$ 802
Mon 2/27:27 p.m.
YOW
-
RAP
2 stops17h 58m
United Airlines
Thu 5/27:00 a.m.
RAP
-
YOW
2 stops12h 56m
United Airlines
Deal found 26/1C$ 802
Sat 29/812:30 p.m.
YYZ
-
RAP
1 stop4h 40m
Delta
Wed 9/96:20 a.m.
RAP
-
YYZ
2 stops15h 02m
Delta
Deal found 28/1C$ 804

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 29 January 2026.

Round-trip from

C$ 634

One-way from

C$ 428
United Airlines
  • United Airlines
  • 18/2-22/2
  • 2 total stops
  • 43h 01m total
  • Ontario to South Dakota
Search Deals
United Airlines
  • United Airlines
  • 17/3
  • 2 total stops
  • 13h 59m 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 29 January 2026.
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

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:00 p.m.-9:57 p.m.

2 stops26h 57m

Sioux Falls Joe Foss Field

Sun 22/2

6:45 p.m.-6:40 p.m.

1 stop22h 55m

C$ 634

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 19/3

6:49 p.m.-10:21 a.m.

2 stops16h 32m

Sioux Falls Joe Foss Field

Tue 31/3

4:23 p.m.-9:28 a.m.

2 stops16h 05m

C$ 654

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 4/6

12:25 p.m.-9:38 p.m.

1 stop10h 13m

Sioux Falls Joe Foss Field

Sun 7/6

7:50 a.m.-6:28 p.m.

1 stop9h 38m

C$ 672

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 19/3

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

1 stop7h 00m

Sioux Falls Joe Foss Field

Tue 31/3

6:50 a.m.-4:03 p.m.

1 stop8h 13m

C$ 743

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

11:23 a.m.-8:28 p.m.

2 stops11h 05m

Rapid City

Tue 30/6

5:30 a.m.-4:21 p.m.

2 stops8h 51m

C$ 787

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Tue 24/2

10:15 a.m.-10:27 p.m.

2 stops14h 12m

Rapid City

Thu 26/2

4:29 p.m.-9:22 a.m.

2 stops14h 53m

C$ 794

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

3:00 p.m.-9:58 p.m.

1 stop8h 58m

Rapid City

Tue 30/6

6:20 a.m.-1:44 p.m.

1 stop5h 24m

C$ 802

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Tue 24/2

4:10 p.m.-10:16 p.m.

1 stop8h 06m

Rapid City

Thu 26/2

7:00 a.m.-3:02 p.m.

1 stop6h 02m

C$ 824

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

3:45 p.m.-1:51 p.m.

2 stops24h 06m

Rapid City

Thu 5/3

2:21 p.m.-1:45 p.m.

2 stops21h 24m

C$ 836

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

6:00 a.m.-3:25 p.m.

2 stops11h 25m

Rapid City

Wed 11/2

6:00 a.m.-1:42 p.m.

1 stop5h 42m

C$ 965

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 24 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.

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 29 January 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
9,215 reviews
Check prices

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

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
9,215 reviews
United Airlines
7.4
Good
9,215 reviews
Check prices

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

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. United Airlines provides one of the quickest options available for as low as C$ 743. The distance from Region of Ontario to South Dakota is about 1374 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

Browse thousands of different options on Cheapflights for your next trip

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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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 669AverageC$ 930FlexibilityNo 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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