Find flights
When to book
Airlines
FAQs

Cheap flights from Ontario to South Dakota from C$ 418

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — FSD
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to South Dakota

Enter your travel dates to find the best prices.

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 17 December 2025.

Wed 21/16:00 a.m.YOW - RAP
2 stops13h 12mUnited Airlines
Fri 23/18:30 a.m.RAP - YOW
2 stops11h 26mUnited Airlines
Deal found 13/12C$ 418
Wed 28/17:00 a.m.YYZ - RAP
2 stops16h 15mAmerican Airlines
Wed 4/22:08 p.m.RAP - YYZ
2 stops20h 26mAmerican Airlines
Deal found 14/12C$ 622
Fri 9/17:50 a.m.YYZ - RAP
2 stops16h 38mDelta
Sun 11/14:10 p.m.RAP - YYZ
2 stops22h 02mDelta
Deal found 15/12C$ 650
Thu 8/110:16 a.m.YYZ - FSD
2 stops13h 48mDelta
Mon 12/14:17 p.m.FSD - YYZ
2 stops18h 00mDelta
Deal found 15/12C$ 656
Thu 8/18:15 a.m.YYZ - FSD
1 stop14h 35mUnited Airlines
Mon 12/17:30 a.m.FSD - YYZ
1 stop8h 09mUnited Airlines
Deal found 14/12C$ 721
Fri 9/17:30 p.m.YUL - FSD
2 stops17h 57mDelta
Mon 12/14:17 p.m.FSD - YUL
2 stops15h 27mDelta
Deal found 15/12C$ 676
Mon 5/112:59 p.m.YUL - RAP
2 stops26h 35mAmerican Airlines
Mon 12/12:08 p.m.RAP - YUL
2 stops20h 16mAmerican Airlines
Deal found 15/12C$ 856
Fri 9/14:45 p.m.YUL - FSD
1 stop19h 02mUnited Airlines
Mon 12/17:30 a.m.FSD - YUL
1 stop25h 50mUnited Airlines
Deal found 16/12C$ 794
Thu 15/17:30 p.m.YUL - RAP
2 stops16h 43mDelta
Mon 19/16:00 a.m.RAP - YUL
2 stops7h 56mDelta
Deal found 15/12C$ 751
Fri 9/14:10 p.m.YYZ - RAP
1 stop6h 22mUnited Airlines
Sun 11/17:00 a.m.RAP - YYZ
1 stop6h 02mUnited Airlines
Deal found 15/12C$ 809
Wed 28/16:30 a.m.YYZ - RAP
1 stop5h 43mDelta
Wed 4/26:00 a.m.RAP - YYZ
1 stop7h 59mDelta
Deal found 14/12C$ 788
Thu 15/15:25 p.m.YUL - RAP
1 stop7h 04mUnited Airlines
Mon 19/17:00 a.m.RAP - YUL
1 stop7h 58mUnited Airlines
Deal found 14/12C$ 888
Mon 5/16:00 a.m.YUL - RAP
1 stop6h 30mUnited Airlines
Mon 12/14:40 p.m.RAP - YUL
2 stops20h 36mUnited Airlines
Deal found 15/12C$ 945

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 17 December 2025.

Round-trip from

C$ 418
United Airlines
  • United Airlines
  • 21/1-23/1
  • 4 total stops
  • 23h 10m 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 17 December 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 21/1

6:00 a.m.-5:12 p.m.

2 stops13h 12m

Rapid City

Fri 23/1

8:30 a.m.-9:56 p.m.

2 stops11h 26m

C$ 418

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Wed 28/1

7:00 a.m.-9:15 p.m.

2 stops16h 15m

Rapid City

Wed 4/2

2:08 p.m.-12:34 p.m.

2 stops20h 26m

C$ 622

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Fri 9/1

7:50 a.m.-10:28 p.m.

2 stops16h 38m

Rapid City

Sun 11/1

4:10 p.m.-4:12 p.m.

2 stops22h 02m

C$ 650

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 8/1

10:16 a.m.-11:04 p.m.

2 stops13h 48m

Sioux Falls Joe Foss Field

Mon 12/1

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

2 stops18h 00m

C$ 656

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

7:30 p.m.-12:27 p.m.

2 stops17h 57m

Sioux Falls Joe Foss Field

Mon 12/1

4:17 p.m.-8:44 a.m.

2 stops15h 27m

C$ 676

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 8/1

8:15 a.m.-9:50 p.m.

1 stop14h 35m

Sioux Falls Joe Foss Field

Mon 12/1

7:30 a.m.-4:39 p.m.

1 stop8h 09m

C$ 721

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

7:30 p.m.-10:13 a.m.

2 stops16h 43m

Rapid City

Mon 19/1

6:00 a.m.-3:56 p.m.

2 stops7h 56m

C$ 751

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Wed 28/1

6:30 a.m.-10:13 a.m.

1 stop5h 43m

Rapid City

Wed 4/2

6:00 a.m.-3:59 p.m.

1 stop7h 59m

C$ 788

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

4:45 p.m.-10:47 a.m.

1 stop19h 02m

Sioux Falls Joe Foss Field

Mon 12/1

7:30 a.m.-10:20 a.m.

1 stop25h 50m

C$ 794

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Fri 9/1

4:10 p.m.-8:32 p.m.

1 stop6h 22m

Rapid City

Sun 11/1

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

1 stop6h 02m

C$ 809

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/12

Showing 1-10 of 13 results
1
2

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 17 December 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 17 December 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
9,092 reviews
Check prices

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews
Check prices

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 13h 12m. United Airlines provides one of the quickest options available for as low as C$ 418. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Newark flights
Pierre Elliott Trudeau Intl to Miami flights
Toronto Island to Newark flights
Pearson Intl to Miami flights
Pearson Intl to Las Vegas flights
Pearson Intl to Orlando flights
Vancouver Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Orlando flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Dallas/Fort Worth flights
Toronto Island to Orlando flights
Vancouver Intl to Honolulu flights
Pearson Intl to Hobby flights
Vancouver Intl to Newark flights
Pearson Intl to Tampa flights
Vancouver Intl to Las Vegas flights
Vancouver Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to San Francisco flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to Fort Myers flights
Pearson Intl to Seattle flights
Toronto Island to Miami flights
Québec City to Fort Lauderdale flights
Vancouver Intl to San Diego flights
Hamilton to Fort Lauderdale flights
Calgary to Las Vegas flights
Pearson Intl to West Palm Beach flights
Ottawa to Fort Lauderdale flights
Vancouver Intl to Miami flights
Pearson Intl to Boston flights
Vancouver Intl to Sky Harbor Intl flights
Pearson Intl to Honolulu flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Halifax to Orlando flights
Vancouver Intl to LaGuardia flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Dulles Intl flights
Vancouver Intl to Palm Springs flights
Pierre Elliott Trudeau Intl to Honolulu flights

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 17 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 678AverageC$ 943FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.