What is the cheapest airline that flies from Ontario to South Dakota?

Delta is the most popular carrier operating from Ontario to South Dakota

When did momondo last update prices for flights from Ontario to South Dakota?

Prices for flights from Ontario to South Dakota were last updated today.

How many operators does momondo search for flights from Ontario to South Dakota?

There is 1 operator available for flights from Ontario to South Dakota as of November 2025.

How old do you have to be to fly from Ontario to South Dakota?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The necessary travel and health documents for your South Dakota trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 407 Cheap Flights from Ontario to South Dakota in 2025/26

1 adult

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Find the cheapest flights from Ontario to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 a.m. - 6:54 p.m.YOW-RAP

11h 09m2 stops

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

11h 26m2 stops

C$ 589United Airlines

Find Deal

Tue, 9 Dec - Fri, 12 Dec

12:05 p.m. - 10:14 p.m.YYZ-FSD

11h 09m1 stop

7:43 a.m. - 11:02 p.m.FSD-YYZ

14h 19m1 stop

C$ 637United Airlines

Find Deal

Thu, 2 Apr - Sun, 5 Apr

9:45 a.m. - 10:15 p.m.YOW-RAP

14h 30m2 stops

8:30 a.m. - 11:54 p.m.RAP-YOW

13h 24m2 stops

C$ 647United Airlines

Find Deal

Tue, 9 Dec - Fri, 12 Dec

7:45 p.m. - 10:20 a.m.YUL-FSD

15h 35m2 stops

4:25 p.m. - 11:47 p.m.FSD-YUL

6h 22m1 stop

C$ 737Delta

Find Deal

Wed, 10 Dec - Sun, 14 Dec

1:00 p.m. - 10:14 p.m.YYZ-FSD

10h 14m1 stop

7:43 a.m. - 5:04 p.m.FSD-YYZ

8h 21m2 stops

C$ 740United Airlines

Find Deal

Thu, 2 Apr - Sun, 5 Apr

12:40 p.m. - 11:14 p.m.YUL-FSD

11h 34m1 stop

10:50 a.m. - 8:44 a.m.FSD-YUL

20h 54m2 stops

C$ 748Delta

Find Deal

Thu, 18 Dec - Tue, 6 Jan

7:30 a.m. - 10:29 p.m.YUL-FSD

15h 59m2 stops

7:19 p.m. - 1:49 p.m.FSD-YUL

17h 30m2 stops

C$ 765American Airlines

Find Deal

Wed, 10 Dec - Sun, 14 Dec

4:55 p.m. - 10:05 a.m.YUL-RAP

19h 10m2 stops

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

5h 39m1 stop

C$ 782Delta

Find Deal

Fri, 13 Mar - Tue, 17 Mar

6:10 a.m. - 1:12 p.m.YYZ-RAP

9h 02m1 stop

2:20 p.m. - 11:09 a.m.RAP-YYZ

18h 49m2 stops

C$ 810American Airlines

Find Deal

Tue, 16 Dec - Tue, 23 Dec

2:29 p.m. - 12:28 p.m.YUL-FSD

22h 59m2 stops

5:35 p.m. - 3:08 p.m.FSD-YUL

20h 33m2 stops

C$ 817American Airlines

Find Deal

Thu, 18 Dec - Tue, 6 Jan

Delta flights from Region of Ontario to South Dakota

Our best Delta deals on Region of Ontario to South Dakota flight tickets

Delta

10 Dec

YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl

15h 35m

2 stops

FSD10:20 a.m.Sioux Falls Joe Foss Field

14 Dec

FSD4:25 p.m.Sioux Falls Joe Foss Field

6h 22m

1 stop

YUL11:47 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 737

Find similar

Delta

18 Dec

YUL12:40 p.m.Montreal Pierre Elliott Trudeau Intl

11h 34m

1 stop

FSD11:14 p.m.Sioux Falls Joe Foss Field

6 Jan

FSD10:50 a.m.Sioux Falls Joe Foss Field

20h 54m

2 stops

YUL8:44 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 748

Find similar

Delta

13 Mar

YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl

19h 10m

2 stops

RAP10:05 a.m.Rapid City

17 Mar

RAP4:00 p.m.Rapid City

5h 39m

1 stop

YUL11:39 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 782

Find similar

American Airlines flights from Region of Ontario to South Dakota

Our best American Airlines deals on Region of Ontario to South Dakota flight tickets

American Airlines

10 Dec

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

15h 59m

2 stops

FSD10:29 p.m.Sioux Falls Joe Foss Field

14 Dec

FSD7:19 p.m.Sioux Falls Joe Foss Field

17h 30m

2 stops

YUL1:49 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 765

Find similar

American Airlines

16 Dec

YYZ6:10 a.m.Toronto Pearson Intl

9h 02m

1 stop

RAP1:12 p.m.Rapid City

23 Dec

RAP2:20 p.m.Rapid City

18h 49m

2 stops

YYZ11:09 a.m.Toronto Pearson Intl

C$ 810

Find similar

American Airlines

18 Dec

YUL2:29 p.m.Montreal Pierre Elliott Trudeau Intl

22h 59m

2 stops

FSD12:28 p.m.Sioux Falls Joe Foss Field

6 Jan

FSD5:35 p.m.Sioux Falls Joe Foss Field

20h 33m

2 stops

YUL3:08 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 817

Find similar

momondo Fare Finder

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

OttawaRapid City

YOW - RAP

YOWRAP

Ottawa

Tue 9/12

9:45 a.m.-6:54 p.m.

2 stops11h 09m

Rapid City

Fri 12/12

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

2 stops11h 26m

C$ 589

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 2/4

12:05 p.m.-10:14 p.m.

1 stop11h 09m

Sioux Falls Joe Foss Field

Sun 5/4

7:43 a.m.-11:02 p.m.

1 stop14h 19m

C$ 637

OttawaRapid City

YOW - RAP

YOWRAP

Ottawa

Tue 9/12

9:45 a.m.-10:15 p.m.

2 stops14h 30m

Rapid City

Fri 12/12

8:30 a.m.-11:54 p.m.

2 stops13h 24m

C$ 647

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

7:45 p.m.-10:20 a.m.

2 stops15h 35m

Sioux Falls Joe Foss Field

Sun 14/12

4:25 p.m.-11:47 p.m.

1 stop6h 22m

C$ 737

TorontoSioux Falls

YYZ - FSD

YYZFSD

Toronto Pearson Intl

Thu 2/4

1:00 p.m.-10:14 p.m.

1 stop10h 14m

Sioux Falls Joe Foss Field

Sun 5/4

7:43 a.m.-5:04 p.m.

2 stops8h 21m

C$ 740

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

12:40 p.m.-11:14 p.m.

1 stop11h 34m

Sioux Falls Joe Foss Field

Tue 6/1

10:50 a.m.-8:44 a.m.

2 stops20h 54m

C$ 748

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

7:30 a.m.-10:29 p.m.

2 stops15h 59m

Sioux Falls Joe Foss Field

Sun 14/12

7:19 p.m.-1:49 p.m.

2 stops17h 30m

C$ 765

MontrealRapid City

YUL - RAP

YULRAP

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

4:55 p.m.-10:05 a.m.

2 stops19h 10m

Rapid City

Tue 17/3

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

1 stop5h 39m

C$ 782

TorontoRapid City

YYZ - RAP

YYZRAP

Toronto Pearson Intl

Tue 16/12

6:10 a.m.-1:12 p.m.

1 stop9h 02m

Rapid City

Tue 23/12

2:20 p.m.-11:09 a.m.

2 stops18h 49m

C$ 810

MontrealSioux Falls

YUL - FSD

YULFSD

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

2:29 p.m.-12:28 p.m.

2 stops22h 59m

Sioux Falls Joe Foss Field

Tue 6/1

5:35 p.m.-3:08 p.m.

2 stops20h 33m

C$ 817

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to South Dakota

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to South Dakota?

The cheapest day to depart from Region of Ontario to South Dakota is on a Tuesday when prices can be found for as low as C$ 764. The most expensive day to fly to South Dakota is Wednesday, with ticket prices averaging around C$ 896.

What is the cheapest time of day to depart on your flight to South Dakota?

The cheapest time of day to fly to South Dakota is in the morning when flights can be purchased for as low as C$ 822. In the afternoon is when there is more demand to fly to South Dakota, so prices are often more expensive at around C$ 844 per ticket.

Can stopping save me money on Region of Ontario to South Dakota flights?

You could potentially save up to 3% on your flight if you consider stops on a Region of Ontario to South Dakota flight.

Cheap Region of Ontario to South Dakota flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to South Dakota

Direct flights	None

There are no direct flights from Region of Ontario to South Dakota. There are no popular flight routes from Region of Ontario to South Dakota.

Search flight deals

When did momondo last update prices for flights from Ontario to South Dakota?
Prices for flights from Ontario to South Dakota were last updated today.
How many operators does momondo search for flights from Ontario to South Dakota?
There is 1 operator available for flights from Ontario to South Dakota as of November 2025.
How old do you have to be to fly from Ontario to South Dakota?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The necessary travel and health documents for your South Dakota trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to South Dakota

Compare and see reviews for airlines that fly from Region of Ontario to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 692	Free Cancellation	Rating 7.4 9,019 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to South Dakota?

Finding the right flight to South Dakota from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to South Dakota quick and easy, saving you time and money.

Can I find flights from Ontario to South Dakota with flexible booking policies on momondo?

Yes. All flights to South Dakota from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to South Dakota?

momondo provides multiple filters to help you find the best flight to South Dakota from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to South Dakota right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to South Dakota flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your South Dakota trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

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Thu 18/12

Thu 25/12

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Find better results for your trip to South Dakota

Popular Cities in South Dakota

Flights to Fort Lauderdalefrom C$ 104

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Flights to Phoenixfrom C$ 164

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Flights to Chicagofrom C$ 180

Flights to Houstonfrom C$ 219

Cheap flights from Ontario to South Dakota from C$ 407

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to South Dakota departing on 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to South Dakota

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Delta flights from Region of Ontario to South Dakota

Our best Delta deals on Region of Ontario to South Dakota flight tickets

American Airlines flights from Region of Ontario to South Dakota

Our best American Airlines deals on Region of Ontario to South Dakota flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to South Dakota that are best for you.

See travel insights to South Dakota from

How to get the cheapest flight ticket from Region of Ontario to South Dakota

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to South Dakota?

The cheapest day to depart from Region of Ontario to South Dakota is on a Tuesday when prices can be found for as low as C$ 764. The most expensive day to fly to South Dakota is Wednesday, with ticket prices averaging around C$ 896.

What is the cheapest time of day to depart on your flight to South Dakota?

The cheapest time of day to fly to South Dakota is in the morning when flights can be purchased for as low as C$ 822. In the afternoon is when there is more demand to fly to South Dakota, so prices are often more expensive at around C$ 844 per ticket.

Can stopping save me money on Region of Ontario to South Dakota flights?

You could potentially save up to 3% on your flight if you consider stops on a Region of Ontario to South Dakota flight.

What is the cheapest airline that flies from Ontario to South Dakota?

Delta is the most popular carrier operating from Ontario to South Dakota

Cheap Region of Ontario to South Dakota flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to South Dakota

Direct flights

When did momondo last update prices for flights from Ontario to South Dakota?

How many operators does momondo search for flights from Ontario to South Dakota?

How old do you have to be to fly from Ontario to South Dakota?

What documentation or ID do you need to fly to South Dakota?

Best airlines flying from Region of Ontario to South Dakota

Compare and see reviews for airlines that fly from Region of Ontario to South Dakota with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to South Dakota?

Can I find flights from Ontario to South Dakota with flexible booking policies on momondo?

How can momondo help me find flights from Ontario to South Dakota?

I’m not ready to book a flight from Ontario to South Dakota right now. Can momondo alert me if prices change?

An easier way to manage your South Dakota trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Dakota

Popular Cities in South Dakota

Popular flights according to clicks in the last 7 days on momondo