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 53% 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 and United Airlines are the most popular carriers operating from South Dakota to Ontario

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 09m on average, while flying from Rapid City to Los Angeles is 5h 18m on average. Los Angeles is the most popular airport in 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 September 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.

$131 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

2:32 pm - 11:50 pmFSD-ONT

11h 18m1 stop

5:53 am - 12:38 pmONT-FSD

4h 45m1 stop

$143Frontier

Find Deal

Fri, Oct 31 - Sun, Nov 2

2:32 pm - 11:50 pmFSD-ONT

11h 18m1 stop

5:53 am - 12:38 pmONT-FSD

4h 45m1 stop

$144Frontier

Find Deal

Fri, Oct 31 - Sun, Nov 2

2:23 pm - 11:50 pmFSD-ONT

11h 27m1 stop

6:45 am - 1:38 pmONT-FSD

4h 53m1 stop

$174Frontier

Find Deal

Thu, Nov 6 - Sun, Nov 9

2:23 pm - 7:29 amFSD-ONT

19h 06m2 stops

6:53 am - 1:38 pmONT-FSD

4h 45m1 stop

$193Frontier

Find Deal

Thu, Nov 13 - Sun, Nov 16

1:27 pm - 6:52 pmFSD-ONT

7h 25m1 stop

9:59 am - 9:07 pmONT-FSD

9h 08m2 stops

$274American Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

10:56 am - 9:20 pmFSD-ONT

12h 24m2 stops

9:50 am - 7:19 pmONT-FSD

7h 29m2 stops

$279Delta

Find Deal

Sat, Nov 1 - Sat, Nov 8

8:16 am - 12:01 pmFSD-ONT

5h 45m1 stop

6:15 am - 2:14 pmONT-FSD

5h 59m1 stop

$294American Airlines

Find Deal

Tue, Oct 7 - Tue, Oct 14

3:21 pm - 9:19 pmRAP-ONT

6h 58m1 stop

5:40 am - 12:38 pmONT-RAP

5h 58m1 stop

$339United Airlines

Find Deal

Sat, Feb 28 - Wed, Mar 4

3:21 pm - 10:57 pmRAP-ONT

8h 36m2 stops

1:00 pm - 8:33 pmONT-RAP

6h 33m1 stop

$344United Airlines

Find Deal

Sat, Feb 28 - Wed, Mar 4

6:05 am - 5:10 pmRAP-ONT

12h 05m2 stops

6:45 am - 10:39 pmONT-RAP

14h 54m2 stops

$859Delta

Find Deal

Fri, Nov 7 - Sun, Nov 9

Frontier flights from South Dakota to Ontario

Our best Frontier deals on South Dakota to Ontario flight tickets

Frontier

Oct 31

FSD2:32 pmSioux Falls Joe Foss Field

11h 18m

1 stop

ONT11:50 pmOntario

Nov 2

ONT5:53 amOntario

4h 45m

1 stop

FSD12:38 pmSioux Falls Joe Foss Field

$143

Find similar

Frontier

Oct 31

FSD2:32 pmSioux Falls Joe Foss Field

11h 18m

1 stop

ONT11:50 pmOntario

Nov 2

ONT5:53 amOntario

4h 45m

1 stop

FSD12:38 pmSioux Falls Joe Foss Field

$144

Find similar

Frontier

Nov 6

FSD2:23 pmSioux Falls Joe Foss Field

11h 27m

1 stop

ONT11:50 pmOntario

Nov 9

ONT6:45 amOntario

4h 53m

1 stop

FSD1:38 pmSioux Falls Joe Foss Field

$174

Find similar

American Airlines flights from South Dakota to Ontario

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

American Airlines

Nov 1

FSD1:27 pmSioux Falls Joe Foss Field

7h 25m

1 stop

ONT6:52 pmOntario

Nov 8

ONT9:59 amOntario

9h 08m

2 stops

FSD9:07 pmSioux Falls Joe Foss Field

$274

Find similar

American Airlines

Oct 7

FSD8:16 amSioux Falls Joe Foss Field

5h 45m

1 stop

ONT12:01 pmOntario

Oct 14

ONT6:15 amOntario

5h 59m

1 stop

FSD2:14 pmSioux Falls Joe Foss Field

$294

Find similar

American Airlines

Oct 7

FSD5:05 pmSioux Falls Joe Foss Field

7h 37m

1 stop

ONT10:42 pmOntario

Oct 14

ONT6:15 amOntario

5h 59m

1 stop

FSD2:14 pmSioux Falls Joe Foss Field

$331

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 10/31

2:32 pm-11:50 pm

1 stop11h 18m

Ontario

Sun 11/2

5:53 am-12:38 pm

1 stop4h 45m

$143

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 10/31

2:32 pm-11:50 pm

1 stop11h 18m

Ontario

Sun 11/2

5:53 am-12:38 pm

1 stop4h 45m

$144

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 11/6

2:23 pm-11:50 pm

1 stop11h 27m

Ontario

Sun 11/9

6:45 am-1:38 pm

1 stop4h 53m

$174

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 11/13

2:23 pm-7:29 am

2 stops19h 06m

Ontario

Sun 11/16

6:53 am-1:38 pm

1 stop4h 45m

$193

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Sat 11/1

1:27 pm-6:52 pm

1 stop7h 25m

Ontario

Sat 11/8

9:59 am-9:07 pm

2 stops9h 08m

$274

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Sat 11/1

10:56 am-9:20 pm

2 stops12h 24m

Ontario

Sat 11/8

9:50 am-7:19 pm

2 stops7h 29m

$279

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Tue 10/7

8:16 am-12:01 pm

1 stop5h 45m

Ontario

Tue 10/14

6:15 am-2:14 pm

1 stop5h 59m

$294

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Sat 2/28

3:21 pm-9:19 pm

1 stop6h 58m

Ontario

Wed 3/4

5:40 am-12:38 pm

1 stop5h 58m

$339

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Sat 2/28

3:21 pm-10:57 pm

2 stops8h 36m

Ontario

Wed 3/4

1:00 pm-8:33 pm

1 stop6h 33m

$344

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Fri 11/7

6:05 am-5:10 pm

2 stops12h 05m

Ontario

Sun 11/9

6:45 am-10:39 pm

2 stops14h 54m

$859

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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.

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 September 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
American Airlines	PriceFrom $274	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $283	Free Cancellation	Rating 7.4 8,926 reviews		Search United 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.