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

United Airlines, American 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 51% 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.

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 3h 20m on average, while flying from Rapid City to Los Angeles is 5h 02m 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 July 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.

$140 Cheap Flights from South Dakota to Ontario in 2025

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Find the cheapest flights from South Dakota to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

7:48 pm - 11:50 pmFSD-ONT

6h 02m1 stop

12:59 am - 2:02 pmONT-FSD

11h 03m1 stop

$208Frontier

Find Deal

Wed, Aug 13 - Sat, Aug 16

2:08 pm - 11:50 pmFSD-ONT

11h 42m1 stop

12:59 am - 1:23 pmONT-FSD

10h 24m1 stop

$218Frontier

Find Deal

Fri, Aug 22 - Sat, Aug 23

2:08 pm - 11:50 pmFSD-ONT

11h 42m1 stop

5:09 pm - 1:23 pmONT-FSD

18h 14m1 stop

$225Frontier

Find Deal

Fri, Aug 22 - Sun, Aug 24

7:32 pm - 11:50 pmFSD-ONT

6h 18m1 stop

12:59 am - 6:37 pmONT-FSD

15h 38m1 stop

$227Frontier

Find Deal

Mon, Aug 11 - Thu, Aug 14

5:39 am - 1:39 pmRAP-ONT

9h 00m1 stop

10:50 am - 8:59 pmONT-RAP

9h 09m1 stop

$259American Airlines

Find Deal

Tue, Aug 26 - Sun, Aug 31

5:39 am - 1:39 pmRAP-ONT

9h 00m1 stop

9:00 am - 8:59 pmONT-RAP

10h 59m2 stops

$264American Airlines

Find Deal

Tue, Aug 26 - Sun, Aug 31

11:16 am - 5:25 pmRAP-ONT

7h 09m1 stop

5:05 am - 12:46 pmONT-RAP

6h 41m1 stop

$300United Airlines

Find Deal

Wed, Aug 13 - Sun, Aug 17

5:30 am - 12:14 pmRAP-ONT

7h 44m2 stops

5:05 am - 12:46 pmONT-RAP

6h 41m1 stop

$305United Airlines

Find Deal

Wed, Aug 13 - Sun, Aug 17

12:56 pm - 11:40 pmFSD-ONT

12h 44m2 stops

11:45 am - 11:06 pmONT-FSD

9h 21m1 stop

$384Delta

Find Deal

Fri, Aug 22 - Sun, Aug 24

1:35 pm - 9:20 pmFSD-ONT

9h 45m2 stops

11:36 am - 10:56 pmONT-FSD

9h 20m1 stop

$394Delta

Find Deal

Sat, Oct 18 - Wed, Oct 22

Frontier flights from South Dakota to Ontario

Our best Frontier deals on South Dakota to Ontario flight tickets

Frontier

Aug 13

FSD7:48 pmSioux Falls Joe Foss Field

6h 02m

1 stop

ONT11:50 pmOntario

Aug 16

ONT12:59 amOntario

11h 03m

1 stop

FSD2:02 pmSioux Falls Joe Foss Field

$208

Find similar

Frontier

Aug 22

FSD2:08 pmSioux Falls Joe Foss Field

11h 42m

1 stop

ONT11:50 pmOntario

Aug 23

ONT12:59 amOntario

10h 24m

1 stop

FSD1:23 pmSioux Falls Joe Foss Field

$218

Find similar

Frontier

Aug 22

FSD2:08 pmSioux Falls Joe Foss Field

11h 42m

1 stop

ONT11:50 pmOntario

Aug 24

ONT5:09 pmOntario

18h 14m

1 stop

FSD1:23 pmSioux Falls Joe Foss Field

$225

Find similar

United Airlines flights from South Dakota to Ontario

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

United Airlines

Aug 13

RAP11:16 amRapid City

7h 09m

1 stop

ONT5:25 pmOntario

Aug 17

ONT5:05 amOntario

6h 41m

1 stop

RAP12:46 pmRapid City

$300

Find similar

United Airlines

Aug 13

RAP5:30 amRapid City

7h 44m

2 stops

ONT12:14 pmOntario

Aug 17

ONT5:05 amOntario

6h 41m

1 stop

RAP12:46 pmRapid City

$305

Find similar

United Airlines

Jan 27

RAP7:05 amRapid City

6h 28m

1 stop

ONT12:33 pmOntario

Feb 3

ONT1:00 pmOntario

6h 33m

1 stop

RAP8:33 pmRapid City

$339

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 8/13

7:48 pm-11:50 pm

1 stop6h 02m

Ontario

Sat 8/16

12:59 am-2:02 pm

1 stop11h 03m

$208

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 8/22

2:08 pm-11:50 pm

1 stop11h 42m

Ontario

Sat 8/23

12:59 am-1:23 pm

1 stop10h 24m

$218

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 8/22

2:08 pm-11:50 pm

1 stop11h 42m

Ontario

Sun 8/24

5:09 pm-1:23 pm

1 stop18h 14m

$225

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 8/11

7:32 pm-11:50 pm

1 stop6h 18m

Ontario

Thu 8/14

12:59 am-6:37 pm

1 stop15h 38m

$227

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Tue 8/26

5:39 am-1:39 pm

1 stop9h 00m

Ontario

Sun 8/31

10:50 am-8:59 pm

1 stop9h 09m

$259

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Tue 8/26

5:39 am-1:39 pm

1 stop9h 00m

Ontario

Sun 8/31

9:00 am-8:59 pm

2 stops10h 59m

$264

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Wed 8/13

11:16 am-5:25 pm

1 stop7h 09m

Ontario

Sun 8/17

5:05 am-12:46 pm

1 stop6h 41m

$300

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Wed 8/13

5:30 am-12:14 pm

2 stops7h 44m

Ontario

Sun 8/17

5:05 am-12:46 pm

1 stop6h 41m

$305

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 8/22

12:56 pm-11:40 pm

2 stops12h 44m

Ontario

Sun 8/24

11:45 am-11:06 pm

1 stop9h 21m

$384

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Sat 10/18

1:35 pm-9:20 pm

2 stops9h 45m

Ontario

Wed 10/22

11:36 am-10:56 pm

1 stop9h 20m

$394

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 month to fly to Ontario?

In general, May is the cheapest month to fly from South Dakota to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $239. If you aren’t able to travel during the month of May, then book flights to Ontario from South Dakota during August instead. Flights to Ontario in August, while not as cheap as those in May, still average around $310.

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

Best Price Found	$140
Fastest flight time	4h 46m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from South Dakota in the past 72 hours is $140. The best round-trip flight deal from South Dakota to Ontario found on momondo in the last 72 hours is $208.

The fastest flight from South Dakota to Ontario takes 4h 46m

There are no direct flights from South Dakota to Ontario. Popular non-direct routes for this connection are Rapid City Airport - Ontario Airport and Sioux Falls Joe Foss Field Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

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 July 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 8,900 reviews		Search United Airlines flights
American Airlines	PriceFrom $273	Free Cancellation	Rating 7.2 10,000 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.