What airlines fly to South Dakota?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to South Dakota from Ontario 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 South Dakota. Keep in mind that there are 5 different airlines that fly to South Dakota on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Ontario Airport to South Dakota were last updated today.

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

As of August 2026, there are 3 operators available to choose from for flights from Ontario Airport to South Dakota.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The travel and health documents required for your trip to South Dakota can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South Dakota. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$135 Cheap Flights from Ontario to South Dakota in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:45 am - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

6h 22m1 stop Denver Intl

8:52 pm - 11:47 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

4h 55m1 stop Denver Intl

$240Frontier

Fri, Oct 2 - Mon, Oct 5

11:45 am - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

6h 22m1 stop Denver Intl

8:52 pm - 11:47 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

4h 55m1 stop Denver Intl

$240Frontier

Mon, Sep 21 - Fri, Sep 25

6:00 am - 8:01 pmONT Ontario-FSD Sioux Falls Joe Foss Field

12h 01m1 stop Denver Intl

8:52 pm - 11:47 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

4h 55m1 stop Denver Intl

$240Frontier

Mon, Sep 7 - Fri, Sep 11

8:00 am - 12:08 pmONT Ontario-FSD Sioux Falls Joe Foss Field

26h 08m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

12:41 pm - 4:59 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

6h 18m1 stop Las Vegas Harry Reid Intl

$280Multiple Airlines

Fri, Oct 2 - Mon, Oct 5

2:30 pm - 9:12 pmONT Ontario-FSD Sioux Falls Joe Foss Field

28h 42m1 stop Las Vegas Harry Reid Intl

8:52 pm - 4:59 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

22h 07m2 stops Denver Intl Las Vegas Harry Reid Intl

$296Multiple Airlines

Wed, Sep 9 - Mon, Sep 14

8:00 am - 9:12 pmONT Ontario-FSD Sioux Falls Joe Foss Field

11h 12m1 stop Las Vegas Harry Reid Intl

10:02 pm - 7:04 amFSD Sioux Falls Joe Foss Field-ONT Ontario

11h 02m1 stop Las Vegas Harry Reid Intl

$306Multiple Airlines

Thu, Sep 10 - Sun, Sep 13

4:29 pm - 11:58 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 29m1 stop Phoenix Sky Harbor Intl

5:54 pm - 11:52 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

7h 58m1 stop Dallas/Fort Worth

$321American Airlines

Sat, Oct 17 - Sat, Oct 24

5:00 am - 12:49 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 49m1 stop Denver Intl

1:46 pm - 10:51 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

11h 05m2 stops Denver Intl San Francisco

$326United Airlines

Sat, Oct 17 - Sat, Oct 24

6:15 am - 12:06 pmONT Ontario-RAP Rapid City

4h 51m1 stop Phoenix Sky Harbor Intl

11:45 am - 6:17 pmRAP Rapid City-ONT Ontario

7h 32m1 stop Phoenix Sky Harbor Intl

$329American Airlines

Sat, Sep 26 - Sat, Oct 3

1:18 pm - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

4h 49m1 stop Denver Intl

9:35 am - 12:50 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

5h 15m1 stop Denver Intl

$339United Airlines

Wed, Sep 2 - Sun, Sep 6

Cheap last minute flights

Enter your travel dates to find the best prices.

3:13 pm - 3:55 pmONT Ontario-RAP Rapid City

23h 42m2 stops San Francisco Las Vegas Harry Reid Intl

3:30 pm - 4:22 pmRAP Rapid City-ONT Ontario

25h 52m1 stop Las Vegas Harry Reid Intl

$387Multiple Airlines

Wed, Aug 19 - Sun, Aug 23

3:40 pm - 3:55 pmONT Ontario-RAP Rapid City

23h 15m1 stop Las Vegas Harry Reid Intl

3:30 pm - 4:22 pmRAP Rapid City-ONT Ontario

25h 52m1 stop Las Vegas Harry Reid Intl

$409Multiple Airlines

Wed, Aug 19 - Sun, Aug 23

5:00 am - 11:55 amONT Ontario-RAP Rapid City

5h 55m1 stop Denver Intl

5:00 am - 12:12 pmRAP Rapid City-ONT Ontario

8h 12m2 stops Denver Intl San Francisco

$475United Airlines

Tue, Aug 18 - Sun, Aug 23

6:15 am - 12:08 pmONT Ontario-RAP Rapid City

4h 53m1 stop Phoenix Sky Harbor Intl

11:45 am - 6:15 pmRAP Rapid City-ONT Ontario

7h 30m1 stop Phoenix Sky Harbor Intl

$505American Airlines

Sat, Aug 15 - Mon, Aug 24

1:18 pm - 8:37 pmONT Ontario-RAP Rapid City

6h 19m1 stop Denver Intl

3:27 pm - 8:53 pmRAP Rapid City-ONT Ontario

6h 26m1 stop Denver Intl

$505United Airlines

Tue, Aug 18 - Mon, Aug 24

5:00 am - 11:55 amONT Ontario-RAP Rapid City

5h 55m1 stop Denver Intl

8:55 am - 12:50 pmRAP Rapid City-ONT Ontario

4h 55m1 stop Denver Intl

$505United Airlines

Sat, Aug 15 - Tue, Aug 25

12:33 pm - 10:04 pmONT Ontario-RAP Rapid City

8h 31m1 stop Dallas/Fort Worth

11:45 am - 6:15 pmRAP Rapid City-ONT Ontario

7h 30m1 stop Phoenix Sky Harbor Intl

$514American Airlines

Sun, Aug 16 - Mon, Aug 24

6:15 am - 12:08 pmONT Ontario-RAP Rapid City

4h 53m1 stop Phoenix Sky Harbor Intl

11:45 am - 6:15 pmRAP Rapid City-ONT Ontario

7h 30m1 stop Phoenix Sky Harbor Intl

$541American Airlines

Sat, Aug 15 - Sat, Aug 22

1:06 pm - 10:37 pmONT Ontario-RAP Rapid City

8h 31m2 stops Salt Lake City Minneapolis St Paul

2:32 pm - 11:34 pmRAP Rapid City-ONT Ontario

10h 02m2 stops Minneapolis St Paul Salt Lake City

$813Delta

Tue, Aug 18 - Thu, Aug 20

11:47 am - 9:16 pmONT Ontario-RAP Rapid City

8h 29m1 stop Las Vegas Harry Reid Intl

4:45 pm - 8:03 amRAP Rapid City-ONT Ontario

16h 18m1 stop Las Vegas Harry Reid Intl

$829Multiple Airlines

Sun, Aug 16 - Thu, Aug 20

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American Airlines flights from Ontario to South Dakota

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

American Airlines

Oct 17

ONT4:29 pmOntario

5h 29m

1 stop

FSD11:58 pmSioux Falls Joe Foss Field

Oct 24

FSD5:54 pmSioux Falls Joe Foss Field

7h 58m

1 stop

ONT11:52 pmOntario

$321

American Airlines

Sep 26

ONT6:15 amOntario

4h 51m

1 stop

RAP12:06 pmRapid City

Oct 3

RAP11:45 amRapid City

7h 32m

1 stop

ONT6:17 pmOntario

$329

American Airlines

Sep 16

ONT6:15 amOntario

4h 51m

1 stop

RAP12:06 pmRapid City

Sep 22

RAP11:45 amRapid City

7h 32m

1 stop

ONT6:17 pmOntario

$350

United Airlines flights from Ontario to South Dakota

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

United Airlines

Oct 17

ONT5:00 amOntario

5h 49m

1 stop

FSD12:49 pmSioux Falls Joe Foss Field

Oct 24

FSD1:46 pmSioux Falls Joe Foss Field

11h 05m

2 stops

ONT10:51 pmOntario

$326

United Airlines

Sep 2

ONT1:18 pmOntario

4h 49m

1 stop

FSD8:07 pmSioux Falls Joe Foss Field

Sep 6

FSD9:35 amSioux Falls Joe Foss Field

5h 15m

1 stop

ONT12:50 pmOntario

$339

United Airlines

Sep 2

ONT9:01 amOntario

9h 06m

2 stops

FSD8:07 pmSioux Falls Joe Foss Field

Sep 6

FSD9:35 amSioux Falls Joe Foss Field

5h 15m

1 stop

ONT12:50 pmOntario

$344

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSioux Falls

ONT Ontario - FSD Sioux Falls Joe Foss Field

ONTFSD

Ontario

Fri 10/2

11:45 am-8:07 pm

1 stop6h 22m

Sioux Falls Joe Foss Field

Mon 10/5

8:52 pm-11:47 pm

1 stop4h 55m

$240

OntarioSioux Falls

ONT Ontario - FSD Sioux Falls Joe Foss Field

ONTFSD

Ontario

Mon 9/21

11:45 am-8:07 pm

1 stop6h 22m

Sioux Falls Joe Foss Field

Fri 9/25

8:52 pm-11:47 pm

1 stop4h 55m

$240

OntarioSioux Falls

ONT Ontario - FSD Sioux Falls Joe Foss Field

ONTFSD

Ontario

Mon 9/7

6:00 am-8:01 pm

1 stop12h 01m

Sioux Falls Joe Foss Field

Fri 9/11

8:52 pm-11:47 pm

1 stop4h 55m

$240

OntarioSioux Falls

ONT Ontario - FSD Sioux Falls Joe Foss Field

ONTFSD

Ontario

Fri 10/2

8:00 am-12:08 pm

2 stops26h 08m

Sioux Falls Joe Foss Field

Mon 10/5

12:41 pm-4:59 pm

1 stop6h 18m

$280

OntarioSioux Falls

ONT Ontario - FSD Sioux Falls Joe Foss Field

ONTFSD

Ontario

Wed 9/9

2:30 pm-9:12 pm

1 stop28h 42m

Sioux Falls Joe Foss Field

Mon 9/14

8:52 pm-4:59 pm

2 stops22h 07m

$296

OntarioSioux Falls

ONT Ontario - FSD Sioux Falls Joe Foss Field

ONTFSD

Ontario

Thu 9/10

8:00 am-9:12 pm

1 stop11h 12m

Sioux Falls Joe Foss Field

Sun 9/13

10:02 pm-7:04 am

1 stop11h 02m

$306

OntarioSioux Falls

ONT Ontario - FSD Sioux Falls Joe Foss Field

ONTFSD

Ontario

Sat 10/17

4:29 pm-11:58 pm

1 stop5h 29m

Sioux Falls Joe Foss Field

Sat 10/24

5:54 pm-11:52 pm

1 stop7h 58m

$321

OntarioSioux Falls

ONT Ontario - FSD Sioux Falls Joe Foss Field

ONTFSD

Ontario

Sat 10/17

5:00 am-12:49 pm

1 stop5h 49m

Sioux Falls Joe Foss Field

Sat 10/24

1:46 pm-10:51 pm

2 stops11h 05m

$326

OntarioRapid City

ONT Ontario - RAP Rapid City

ONTRAP

Ontario

Sat 9/26

6:15 am-12:06 pm

1 stop4h 51m

Rapid City

Sat 10/3

11:45 am-6:17 pm

1 stop7h 32m

$329

Quickest round-trip

OntarioSioux Falls

ONT Ontario - FSD Sioux Falls Joe Foss Field

ONTFSD

Ontario

Wed 9/2

1:18 pm-8:07 pm

1 stop4h 49m

Sioux Falls Joe Foss Field

Sun 9/6

9:35 am-12:50 pm

1 stop5h 15m

$339

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 Ontario to South Dakota

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

What is the cheapest month to fly to South Dakota?

The month of October is, on average, the cheapest month to fly to South Dakota from Ontario, with most prices found around $319. If you aren’t able to travel to South Dakota during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $363.

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

You could potentially save up to 69% on your flight if you consider stops on a Ontario to South Dakota flight.

Cheap Ontario to South Dakota flight deals and tips

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

Fastest flight time	4h 35m
Direct flights	None

The fastest flight from Ontario to South Dakota takes 4h 35m

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

Search flight deals

Frequently asked questions about flying from Ontario to South Dakota

When did momondo last update prices for flights from Ontario Airport to South Dakota?
Prices for flights from Ontario Airport to South Dakota were last updated today.
How many operators does momondo search for flights from Ontario Airport to South Dakota?
As of August 2026, there are 3 operators available to choose from for flights from Ontario Airport to South Dakota.
How old do you have to be to fly from Ontario Airport to South Dakota?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The travel and health documents required for your trip to South Dakota can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South Dakota. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to South Dakota

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $218	Free Cancellation	Rating 5.6 2,694 reviews	Search Frontier flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 10,110 reviews	Search United Airlines flights
American Airlines	PriceFrom $303	Free Cancellation	Rating 7.1 11,925 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to South Dakota. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to South Dakota from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Ontario to South Dakota flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.