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Cheap flights from Ontario to South Dakota from C$ 420

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — FSD
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 30 October 2025.

Round-trip from

C$ 588

One-way from

C$ 445
United Airlines
  • United Airlines
  • 14/4-18/4
  • 3 total stops
  • 16h 52m total
  • Ontario to South Dakota
Search Deals
United Airlines
  • United Airlines
  • 14/12
  • 1 total stop
  • 8h 05m total
  • Ontario to South Dakota
Search Deals

Find 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 30 October 2025.

Sun 2/117:30 p.m.YOW - RAP
2 stops17h 04mUnited Airlines
Tue 4/111:30 p.m.RAP - YOW
1 stop5h 48mUnited Airlines
Deal found 30/10C$ 919
Fri 7/117:40 p.m.YYZ - RAP
2 stops16h 54mUnited Airlines
Sun 9/111:30 p.m.RAP - YYZ
1 stop5h 51mUnited Airlines
Deal found 30/10C$ 1,024
Fri 7/116:10 a.m.YYZ - RAP
1 stop17h 06mAmerican Airlines
Sun 9/115:18 a.m.RAP - YYZ
1 stop9h 00mAmerican Airlines
Deal found 30/10C$ 1,060
Thu 30/106:52 a.m.YYZ - RAP
1 stop5h 42mUnited Airlines
Mon 3/1111:15 a.m.RAP - YYZ
2 stops10h 31mUnited Airlines
Deal found 29/10C$ 1,065
Sun 2/115:20 a.m.YOW - RAP
1 stop6h 14mMultiple Airlines
Tue 4/111:30 p.m.RAP - YOW
1 stop18h 56mMultiple Airlines
Deal found 30/10C$ 1,881
Thu 6/1112:30 a.m.YYZ - RAP
2 stops12h 04mMultiple Airlines
Sun 9/111:30 p.m.RAP - YYZ
1 stop5h 51mMultiple Airlines
Deal found 30/10C$ 1,905
Wed 29/1012:30 a.m.YYZ - RAP
2 stops12h 04mMultiple Airlines
Mon 3/111:30 p.m.RAP - YYZ
1 stop7h 24mMultiple Airlines
Deal found 29/10C$ 2,166
Sun 2/115:45 a.m.YOW - RAP
3 stops16h 32mAmerican Airlines
Tue 4/115:18 a.m.RAP - YOW
2 stops33h 31mAmerican Airlines
Deal found 30/10C$ 2,357

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 30 October 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

Tue 14/4

6:52 a.m.-10:53 a.m.

1 stop6h 01m

Rapid City

Sat 18/4

5:48 p.m.-2:13 p.m.

2 stops18h 25m

C$ 420

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

1:10 p.m.-9:49 p.m.

1 stop9h 39m

Sioux Falls Joe Foss Field

Sun 29/3

7:45 a.m.-10:11 a.m.

1 stop25h 26m

C$ 616

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Wed 1/4

1:00 p.m.-9:47 p.m.

1 stop9h 47m

Sioux Falls Joe Foss Field

Sun 5/4

7:45 a.m.-4:42 p.m.

1 stop7h 57m

C$ 633

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Tue 10/3

9:00 a.m.-10:11 p.m.

2 stops15h 11m

Rapid City

Wed 11/3

5:10 a.m.-6:34 p.m.

2 stops11h 24m

C$ 757

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Wed 1/4

6:00 a.m.-12:35 p.m.

2 stops7h 35m

Sioux Falls Joe Foss Field

Sun 5/4

1:20 p.m.-12:06 a.m.

2 stops9h 46m

C$ 768

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

9:15 a.m.-6:50 p.m.

2 stops11h 35m

Rapid City

Tue 17/3

5:48 p.m.-10:20 a.m.

2 stops14h 32m

C$ 772

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Tue 10/3

6:30 a.m.-10:05 a.m.

1 stop5h 35m

Rapid City

Wed 11/3

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

1 stop5h 04m

C$ 790

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

2:30 p.m.-10:14 p.m.

2 stops9h 44m

Rapid City

Tue 17/3

4:00 p.m.-11:39 p.m.

1 stop5h 39m

C$ 815

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Sun 14/12

4:10 p.m.-10:15 p.m.

1 stop8h 05m

C$ 445

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

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

What is the cheapest time of day to fly from ON to SD?

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

One of the essential ways to save on airfare from Region of Ontario to South Dakota is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 22% on airfare.

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 30 October 2025.
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
8,998 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 6h 01m. United Airlines provides one of the quickest options available for as low as C$ 420. The distance from Region of Ontario to South Dakota is about 2158 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 688AverageC$ 810FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Ontario to South Dakota via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to South Dakota for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to South Dakota with no change fees?

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

Can Cheapflights notify me if prices for flights from Ontario to South Dakota become cheaper?

Of course! You can now track prices for flights from Ontario to South Dakota and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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