How long does it take to fly to Ontario?

Average flight duration from South Dakota to Ontario depends on which airport you fly into and out of. Flying from Sioux Falls to Los Angeles is 5h 21m on average, while flying from Rapid City to Los Angeles is 5h 23m on average. Los Angeles is the most popular airport in Ontario.

What airlines fly to Ontario?

United Airlines, American Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from South Dakota according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Frontier, United Airlines, and American Airlines are the most popular carriers operating from South Dakota to Ontario

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

Prices for flights from South Dakota to Ontario Airport refresh daily.

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

As of November 2025, there are 2 operators available to choose from for flights from South Dakota to Ontario Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport 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.

$72 Cheap Flights from South Dakota to Ontario in 2025/26

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Find the cheapest flights from South Dakota to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:26 pm - 11:57 pmFSD-ONT

5h 31m1 stop

12:58 am - 7:36 pmONT-FSD

16h 38m1 stop

$144Frontier

Find Deal

Mon, Nov 24 - Thu, Nov 27

8:26 pm - 6:13 pmFSD-ONT

23h 47m1 stop

12:58 am - 7:31 pmONT-FSD

16h 33m1 stop

$146Frontier

Find Deal

Fri, Nov 21 - Sun, Nov 23

8:26 pm - 11:57 pmFSD-ONT

5h 31m1 stop

3:31 pm - 3:51 pmONT-FSD

22h 20m1 stop

$228Multiple Airlines

Find Deal

Mon, Nov 24 - Thu, Nov 27

8:26 pm - 11:57 pmFSD-ONT

5h 31m1 stop

6:25 am - 3:51 pmONT-FSD

7h 26m1 stop

$232Multiple Airlines

Find Deal

Mon, Nov 24 - Fri, Nov 28

5:18 pm - 8:58 pmFSD-ONT

5h 40m1 stop

1:24 pm - 8:39 pmONT-FSD

5h 15m1 stop

$269United Airlines

Find Deal

Fri, Jan 23 - Mon, Feb 2

11:22 am - 10:53 pmFSD-ONT

13h 31m2 stops

1:24 pm - 8:39 pmONT-FSD

5h 15m1 stop

$274United Airlines

Find Deal

Fri, Jan 23 - Mon, Feb 2

5:18 am - 5:09 pmFSD-ONT

13h 51m2 stops

6:00 am - 4:52 pmONT-FSD

8h 52m2 stops

$281Delta

Find Deal

Mon, Nov 24 - Thu, Nov 27

8:11 am - 11:53 amFSD-ONT

5h 42m1 stop

4:47 pm - 11:39 pmONT-FSD

4h 52m1 stop

$401American Airlines

Find Deal

Wed, Dec 24 - Mon, Dec 29

6:00 am - 4:05 pmFSD-ONT

12h 05m2 stops

9:59 am - 9:30 pmONT-FSD

9h 31m2 stops

$412American Airlines

Find Deal

Wed, Jan 28 - Mon, Feb 2

4:17 pm - 11:58 pmFSD-ONT

9h 41m2 stops

7:30 am - 7:43 pmONT-FSD

10h 13m2 stops

$559Delta

Find Deal

Tue, Feb 3 - Tue, Feb 24

Frontier flights from South Dakota to Ontario

Our best Frontier deals on South Dakota to Ontario flight tickets

Frontier

Nov 24

FSD8:26 pmSioux Falls Joe Foss Field

5h 31m

1 stop

ONT11:57 pmOntario

Nov 27

ONT12:58 amOntario

16h 38m

1 stop

FSD7:36 pmSioux Falls Joe Foss Field

$144

Find similar

Frontier

Nov 21

FSD8:26 pmSioux Falls Joe Foss Field

23h 47m

1 stop

ONT6:13 pmOntario

Nov 23

ONT12:58 amOntario

16h 33m

1 stop

FSD7:31 pmSioux Falls Joe Foss Field

$146

Find similar

Frontier

Feb 23

FSD8:25 pmSioux Falls Joe Foss Field

5h 34m

1 stop

ONT11:59 pmOntario

Feb 27

ONT6:00 amOntario

11h 22m

1 stop

FSD7:22 pmSioux Falls Joe Foss Field

$184

Find similar

United Airlines flights from South Dakota to Ontario

Our best United Airlines deals on South Dakota to Ontario flight tickets

United Airlines

Jan 23

FSD5:18 pmSioux Falls Joe Foss Field

5h 40m

1 stop

ONT8:58 pmOntario

Feb 2

ONT1:24 pmOntario

5h 15m

1 stop

FSD8:39 pmSioux Falls Joe Foss Field

$269

Find similar

United Airlines

Jan 23

FSD11:22 amSioux Falls Joe Foss Field

13h 31m

2 stops

ONT10:53 pmOntario

Feb 2

ONT1:24 pmOntario

5h 15m

1 stop

FSD8:39 pmSioux Falls Joe Foss Field

$274

Find similar

United Airlines

Feb 28

RAP2:52 pmRapid City

6h 58m

1 stop

ONT8:50 pmOntario

Mar 4

ONT1:45 pmOntario

7h 31m

1 stop

RAP10:16 pmRapid City

$339

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 11/24

8:26 pm-11:57 pm

1 stop5h 31m

Ontario

Thu 11/27

12:58 am-7:36 pm

1 stop16h 38m

$144

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 11/21

8:26 pm-6:13 pm

1 stop23h 47m

Ontario

Sun 11/23

12:58 am-7:31 pm

1 stop16h 33m

$146

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 11/24

8:26 pm-11:57 pm

1 stop5h 31m

Ontario

Thu 11/27

3:31 pm-3:51 pm

1 stop22h 20m

$228

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 11/24

8:26 pm-11:57 pm

1 stop5h 31m

Ontario

Fri 11/28

6:25 am-3:51 pm

1 stop7h 26m

$232

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 1/23

5:18 pm-8:58 pm

1 stop5h 40m

Ontario

Mon 2/2

1:24 pm-8:39 pm

1 stop5h 15m

$269

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 1/23

11:22 am-10:53 pm

2 stops13h 31m

Ontario

Mon 2/2

1:24 pm-8:39 pm

1 stop5h 15m

$274

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 11/24

5:18 am-5:09 pm

2 stops13h 51m

Ontario

Thu 11/27

6:00 am-4:52 pm

2 stops8h 52m

$281

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 12/24

8:11 am-11:53 am

1 stop5h 42m

Ontario

Mon 12/29

4:47 pm-11:39 pm

1 stop4h 52m

$401

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 1/28

6:00 am-4:05 pm

2 stops12h 05m

Ontario

Mon 2/2

9:59 am-9:30 pm

2 stops9h 31m

$412

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Tue 2/3

4:17 pm-11:58 pm

2 stops9h 41m

Ontario

Tue 2/24

7:30 am-7:43 pm

2 stops10h 13m

$559

Flights are sorted by cheapest round-trip flights first.

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

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

Other information

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $303. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from South Dakota to Ontario for around $773.

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

In the afternoon is the cheapest time of day to fly from South Dakota to Ontario when you can find flight prices for as low as $310. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $472 on average. Flights to Ontario from South Dakota at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap South Dakota to Ontario flight deals and tips

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

Direct flights	None

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

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When did momondo last update prices for flights from South Dakota to Ontario Airport?
Prices for flights from South Dakota to Ontario Airport refresh daily.
How many operators does momondo search for flights from South Dakota to Ontario Airport?
As of November 2025, there are 2 operators available to choose from for flights from South Dakota to Ontario Airport.
How old do you have to be to fly from South Dakota to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport 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 South Dakota to Ontario

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 9,010 reviews		Search United Airlines flights
American Airlines	PriceFrom $274	Free Cancellation	Rating 7.2 11,047 reviews		Search American Airlines flights

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Dakota to Ontario. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for South Dakota to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search for South Dakota to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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