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 Rapid City to Los Angeles is 5h 29m on average, while flying from Sioux Falls to Los Angeles is 5h 36m on average. Los Angeles is the most popular airport in Ontario.

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

Frontier, United Airlines, and Delta are the most popular carriers operating from South Dakota to 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 56% 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.

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 December 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.

$97 Cheap Flights from South Dakota to Ontario in 2025/26

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Find the cheapest flights from South Dakota to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 pm - 10:12 pm

FSD

ONT

27h 22m1 stop

6:10 am - 3:01 pm

ONT

FSD

6h 51m1 stop

$182Frontier

Mon, Jan 5 - Thu, Jan 15

2:16 pm - 11:59 pm

FSD

ONT

11h 43m1 stop

6:10 am - 1:57 pm

ONT

FSD

5h 47m1 stop

$203Frontier

Thu, Feb 19 - Mon, Feb 23

7:45 pm - 11:56 pm

FSD

ONT

6h 11m1 stop

6:00 am - 7:41 pm

ONT

FSD

11h 41m1 stop

$217Frontier

Thu, Jan 8 - Sun, Jan 11

10:40 pm - 3:09 pm

FSD

ONT

18h 29m1 stop

4:34 pm - 4:07 pm

ONT

FSD

21h 33m2 stops

$261Multiple Airlines

Mon, Jan 5 - Thu, Jan 15

3:56 pm - 7:37 am

FSD

ONT

17h 41m2 stops

3:07 pm - 10:53 am

ONT

FSD

17h 46m1 stop

$280Multiple Airlines

Thu, Jan 15 - Wed, Jan 21

2:25 pm - 6:20 pm

FSD

ONT

5h 55m1 stop

4:45 pm - 11:41 pm

ONT

FSD

4h 56m1 stop

$300American Airlines

Wed, Jan 28 - Mon, Feb 2

4:40 pm - 8:58 pm

RAP

ONT

5h 18m1 stop

5:05 am - 11:25 am

ONT

RAP

5h 20m1 stop

$309United Airlines

Tue, Jan 6 - Sat, Jan 10

2:16 pm - 11:59 pm

FSD

ONT

11h 43m1 stop

6:15 am - 8:05 pm

ONT

FSD

11h 50m1 stop

$321Frontier

Thu, Mar 5 - Mon, Mar 16

9:00 am - 12:47 pm

FSD

ONT

5h 47m1 stop

5:05 am - 12:58 pm

ONT

FSD

5h 53m1 stop

$324United Airlines

Wed, Jan 14 - Sun, Jan 18

1:40 pm - 10:53 pm

FSD

ONT

11h 13m2 stops

5:05 am - 12:58 pm

ONT

FSD

5h 53m1 stop

$329United Airlines

Wed, Jan 14 - Sun, Jan 18

Frontier flights from South Dakota to Ontario

Our best Frontier deals on South Dakota to Ontario flight tickets

Frontier

Jan 5

FSD8:50 pmSioux Falls Joe Foss Field

27h 22m

1 stop

ONT10:12 pmOntario

Jan 15

ONT6:10 amOntario

6h 51m

1 stop

FSD3:01 pmSioux Falls Joe Foss Field

$182

Find similar

Frontier

Feb 19

FSD2:16 pmSioux Falls Joe Foss Field

11h 43m

1 stop

ONT11:59 pmOntario

Feb 23

ONT6:10 amOntario

5h 47m

1 stop

FSD1:57 pmSioux Falls Joe Foss Field

$203

Find similar

Frontier

Jan 8

FSD7:45 pmSioux Falls Joe Foss Field

6h 11m

1 stop

ONT11:56 pmOntario

Jan 11

ONT6:00 amOntario

11h 41m

1 stop

FSD7:41 pmSioux Falls Joe Foss Field

$217

Find similar

American Airlines flights from South Dakota to Ontario

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

American Airlines

Jan 28

FSD2:25 pmSioux Falls Joe Foss Field

5h 55m

1 stop

ONT6:20 pmOntario

Feb 2

ONT4:45 pmOntario

4h 56m

1 stop

FSD11:41 pmSioux Falls Joe Foss Field

$300

Find similar

American Airlines

Jan 28

FSD6:00 amSioux Falls Joe Foss Field

14h 20m

2 stops

ONT6:20 pmOntario

Feb 2

ONT4:45 pmOntario

4h 56m

1 stop

FSD11:41 pmSioux Falls Joe Foss Field

$361

Find similar

American Airlines

Jan 6

FSD7:00 amSioux Falls Joe Foss Field

13h 20m

2 stops

ONT6:20 pmOntario

Jan 10

ONT6:27 amOntario

5h 21m

1 stop

FSD1:48 pmSioux Falls Joe Foss Field

$366

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 1/5

8:50 pm-10:12 pm

1 stop27h 22m

Ontario

Thu 1/15

6:10 am-3:01 pm

1 stop6h 51m

$182

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 2/19

2:16 pm-11:59 pm

1 stop11h 43m

Ontario

Mon 2/23

6:10 am-1:57 pm

1 stop5h 47m

$203

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 1/8

7:45 pm-11:56 pm

1 stop6h 11m

Ontario

Sun 1/11

6:00 am-7:41 pm

1 stop11h 41m

$217

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 1/5

10:40 pm-3:09 pm

1 stop18h 29m

Ontario

Thu 1/15

4:34 pm-4:07 pm

2 stops21h 33m

$261

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 1/15

3:56 pm-7:37 am

2 stops17h 41m

Ontario

Wed 1/21

3:07 pm-10:53 am

1 stop17h 46m

$280

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 1/28

2:25 pm-6:20 pm

1 stop5h 55m

Ontario

Mon 2/2

4:45 pm-11:41 pm

1 stop4h 56m

$300

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Tue 1/6

4:40 pm-8:58 pm

1 stop5h 18m

Ontario

Sat 1/10

5:05 am-11:25 am

1 stop5h 20m

$309

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 3/5

2:16 pm-11:59 pm

1 stop11h 43m

Ontario

Mon 3/16

6:15 am-8:05 pm

1 stop11h 50m

$321

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 1/14

9:00 am-12:47 pm

1 stop5h 47m

Ontario

Sun 1/18

5:05 am-12:58 pm

1 stop5h 53m

$324

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 1/14

1:40 pm-10:53 pm

2 stops11h 13m

Ontario

Sun 1/18

5:05 am-12:58 pm

1 stop5h 53m

$329

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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

Fastest flight time	4h 53m
Direct flights	None

The fastest flight from South Dakota to Ontario takes 4h 53m

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

Search flight deals

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 December 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 9,105 reviews		Search United Airlines flights
American Airlines	PriceFrom $370	Free Cancellation	Rating 7.2 11,054 reviews		Search American Airlines flights

Why use momondo?

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.