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

United Airlines is the most popular carrier 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 Rapid City to Los Angeles is 4h 45m on average, while flying from Sioux Falls to Los Angeles is 5h 35m on average. Los Angeles is the most popular airport in Ontario.

What airlines fly to Ontario?

United Airlines, American Airlines and Delta 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 58% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 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 September 2026, 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.

$239 Cheap Flights from South Dakota to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from South Dakota to Los Angeles

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12:26 pm - 7:04 amFSD Sioux Falls Joe Foss Field-ONT Ontario

20h 38m1 stop Las Vegas Harry Reid Intl

10:35 am - 10:56 amONT Ontario-FSD Sioux Falls Joe Foss Field

22h 21m1 stop Las Vegas Harry Reid Intl

$325Multiple Airlines

Sun, Oct 18 - Wed, Oct 28

6:20 am - 1:30 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

9h 10m1 stop Dallas/Fort Worth

4:51 pm - 11:49 pmONT Ontario-FSD Sioux Falls Joe Foss Field

4h 58m1 stop Phoenix Sky Harbor Intl

$341American Airlines

Wed, Oct 28 - Wed, Nov 4

9:32 am - 6:01 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

10h 29m2 stops Denver Intl San Francisco

5:00 am - 12:35 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 35m1 stop Denver Intl

$346United Airlines

Wed, Oct 28 - Wed, Nov 4

12:53 pm - 6:44 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

7h 51m1 stop Dallas/Fort Worth

4:25 pm - 11:49 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 24m1 stop Phoenix Sky Harbor Intl

$350American Airlines

Wed, Oct 28 - Sun, Nov 1

6:20 am - 1:30 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

9h 10m1 stop Dallas/Fort Worth

4:25 pm - 11:49 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 24m1 stop Phoenix Sky Harbor Intl

$350American Airlines

Wed, Oct 28 - Sun, Nov 1

11:00 am - 10:43 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

13h 43m2 stops Minneapolis St Paul Seattle/Tacoma Intl

1:35 pm - 11:03 pmONT Ontario-FSD Sioux Falls Joe Foss Field

7h 28m2 stops Salt Lake City Minneapolis St Paul

$351Delta

Sat, Oct 31 - Sat, Nov 7

8:30 am - 5:12 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

10h 42m2 stops Minneapolis St Paul Seattle/Tacoma Intl

1:35 pm - 11:22 pmONT Ontario-FSD Sioux Falls Joe Foss Field

7h 47m2 stops Salt Lake City Minneapolis St Paul

$351Delta

Wed, Oct 28 - Wed, Nov 4

9:32 am - 12:33 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

5h 01m1 stop Denver Intl

5:00 am - 12:35 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 35m1 stop Denver Intl

$359United Airlines

Mon, Nov 23 - Fri, Nov 27

4:00 pm - 8:51 pmRAP Rapid City-ONT Ontario

5h 51m1 stop Denver Intl

5:00 am - 11:58 amONT Ontario-RAP Rapid City

5h 58m1 stop Denver Intl

$377United Airlines

Wed, Nov 11 - Sun, Nov 15

5:10 am - 5:12 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

14h 02m2 stops Minneapolis St Paul Seattle/Tacoma Intl

1:35 pm - 11:03 pmONT Ontario-FSD Sioux Falls Joe Foss Field

7h 28m2 stops Salt Lake City Minneapolis St Paul

$395Delta

Tue, Oct 13 - Sat, Oct 31

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United Airlines flights from South Dakota to Ontario

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

United Airlines

Oct 28

FSD9:32 amSioux Falls Joe Foss Field

10h 29m

2 stops

ONT6:01 pmOntario

Nov 4

ONT5:00 amOntario

5h 35m

1 stop

FSD12:35 pmSioux Falls Joe Foss Field

$346

United Airlines

Nov 11

RAP4:00 pmRapid City

5h 51m

1 stop

ONT8:51 pmOntario

Nov 15

ONT5:00 amOntario

5h 58m

1 stop

RAP11:58 amRapid City

$377

United Airlines

Nov 23

FSD5:55 amSioux Falls Joe Foss Field

8h 34m

2 stops

ONT12:29 pmOntario

Nov 27

ONT5:00 amOntario

5h 35m

1 stop

FSD12:35 pmSioux Falls Joe Foss Field

$382

American Airlines flights from South Dakota to Ontario

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

American Airlines

Oct 28

FSD6:20 amSioux Falls Joe Foss Field

9h 10m

1 stop

ONT1:30 pmOntario

Nov 4

ONT4:51 pmOntario

4h 58m

1 stop

FSD11:49 pmSioux Falls Joe Foss Field

$341

American Airlines

Oct 28

FSD6:20 amSioux Falls Joe Foss Field

9h 10m

1 stop

ONT1:30 pmOntario

Nov 1

ONT4:25 pmOntario

5h 24m

1 stop

FSD11:49 pmSioux Falls Joe Foss Field

$350

American Airlines

Oct 27

FSD12:53 pmSioux Falls Joe Foss Field

7h 51m

1 stop

ONT6:44 pmOntario

Nov 1

ONT4:25 pmOntario

5h 24m

1 stop

FSD11:49 pmSioux Falls Joe Foss Field

$358

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Sun 10/18

12:26 pm-7:04 am

1 stop20h 38m

Ontario

Wed 10/28

10:35 am-10:56 am

1 stop22h 21m

$325

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 10/28

6:20 am-1:30 pm

1 stop9h 10m

Ontario

Wed 11/4

4:51 pm-11:49 pm

1 stop4h 58m

$341

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 10/28

9:32 am-6:01 pm

2 stops10h 29m

Ontario

Wed 11/4

5:00 am-12:35 pm

1 stop5h 35m

$346

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 10/28

12:53 pm-6:44 pm

1 stop7h 51m

Ontario

Sun 11/1

4:25 pm-11:49 pm

1 stop5h 24m

$350

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 10/28

6:20 am-1:30 pm

1 stop9h 10m

Ontario

Sun 11/1

4:25 pm-11:49 pm

1 stop5h 24m

$350

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Sat 10/31

11:00 am-10:43 pm

2 stops13h 43m

Ontario

Sat 11/7

1:35 pm-11:03 pm

2 stops7h 28m

$351

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 10/28

8:30 am-5:12 pm

2 stops10h 42m

Ontario

Wed 11/4

1:35 pm-11:22 pm

2 stops7h 47m

$351

Quickest round-trip

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Mon 11/23

9:32 am-12:33 pm

1 stop5h 01m

Ontario

Fri 11/27

5:00 am-12:35 pm

1 stop5h 35m

$359

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Wed 11/11

4:00 pm-8:51 pm

1 stop5h 51m

Ontario

Sun 11/15

5:00 am-11:58 am

1 stop5h 58m

$377

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Tue 10/13

5:10 am-5:12 pm

2 stops14h 02m

Ontario

Sat 10/31

1:35 pm-11:03 pm

2 stops7h 28m

$395

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, October 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 $329. If you aren’t able to travel during the month of October, then book flights to Ontario from South Dakota during August instead. Flights to Ontario in August, while not as cheap as those in October, still average around $350.

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

You could potentially save up to 30% on your flight if you consider stops on a South Dakota to Ontario flight.

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	$239
Fastest flight time	5h 01m
Direct flights	None

The best one-way flight to Ontario from South Dakota in the past 72 hours is $239. The best round-trip flight deal from South Dakota to Ontario found on momondo in the last 72 hours is $325.

The fastest flight from South Dakota to Ontario takes 5h 01m

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

Search flight deals

Frequently asked questions about flying 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 September 2026, 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 10,255 reviews		Search United Airlines flights
American Airlines	PriceFrom $329	Free Cancellation	Rating 7.0 12,095 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.

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Cheap flights from South Dakota to Los Angeles from $239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to Los Angeles departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from South Dakota to Ontario

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

What is the cheapest month to fly to Ontario?

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

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

What airlines fly to Ontario?

How long does it take to fly to Ontario?

Cheap South Dakota to Ontario flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from South Dakota to Ontario

Best airlines flying from South Dakota to Ontario

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

Why use momondo?

An easier way to manage your Ontario 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 the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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